{"title":"Audi A6 \u0026 A7 (C8) 3.0T Turbo Performance Parts","description":"\u003cstyle\u003e.va-chips a::before,.va-chips a::after{content:none!important;display:none!important;}.va-chips a,.rte .va-chips a{display:inline-block!important;padding:8px 16px!important;margin:4px 6px 4px 0!important;border:1px solid #888!important;border-radius:999px!important;text-decoration:none!important;font-weight:600!important;background-image:none!important;box-shadow:none!important;}\u003c\/style\u003e\n\u003cp\u003eParts picked for the turbo 3.0T V6 (EA839) in the \u003cstrong\u003eAudi A6 and A7 (C8)\u003c\/strong\u003e, with fitment spelled out on every listing.\u003c\/p\u003e\n\u003cp style=\"margin:12px 0 4px;font-weight:700;\"\u003eShop by category\u003c\/p\u003e\n\u003cp class=\"va-chips\"\u003e\u003ca href=\"\/collections\/audi-c8-a6-a7-engine\"\u003eEngine\u003c\/a\u003e\u003ca href=\"\/collections\/audi-c8-a6-a7-cooling\"\u003eCooling\u003c\/a\u003e\u003c\/p\u003e\n\u003cdetails style=\"margin:12px 0;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;\"\u003ePopular upgrades, product types and FAQ\u003c\/summary\u003e\n\u003ch3\u003ePopular Upgrades for the C8 A6 and A7 3.0T\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eIgnition:\u003c\/strong\u003e \u003ca href=\"\/products\/vorsprung-zeus-ignition-coil-upgrade-kit-audi-3-0-turbo-ea839\"\u003eZeus Ignition Coil Upgrade Kit\u003c\/a\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCooling:\u003c\/strong\u003e \u003ca href=\"\/products\/audi-3-0t-2-9t-billet-thermostat-housing-ea839\"\u003eBillet Thermostat Housing\u003c\/a\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eShop by Product Type\u003c\/h3\u003e\n\u003cp\u003e\u003ca href=\"\/collections\/performance-exhaust-1\"\u003ePerformance Exhaust\u003c\/a\u003e, \u003ca href=\"\/collections\/air-intake-kits\"\u003eAir Intake Kits\u003c\/a\u003e, \u003ca href=\"\/collections\/cooling-solutions\"\u003eCooling\u003c\/a\u003e, \u003ca href=\"\/collections\/engine\"\u003eEngine\u003c\/a\u003e, \u003ca href=\"\/collections\/fueling-solutions\"\u003eFueling\u003c\/a\u003e, \u003ca href=\"\/collections\/brakes\"\u003eBrakes\u003c\/a\u003e and \u003ca href=\"\/collections\/suspension-upgrades\"\u003eSuspension\u003c\/a\u003e. These cover every vehicle we support, so check the fitment table on each listing.\u003c\/p\u003e\n\u003ch3\u003eAudi C8 A6 and A7 3.0T Performance Parts FAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhich C8 engines does this page cover?\u003c\/strong\u003e\u003cbr\u003eThe 3.0T turbo A6 and A7. Other engines in the C8 range use different parts, so check the fitment table before you order.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow do I confirm fitment before I order?\u003c\/strong\u003e\u003cbr\u003eRead the fitment table on the listing, or email help@vorsprungautowerk.com with your VIN and we will confirm before you order.\u003c\/p\u003e\n\u003cp style=\"text-align: center; font-weight: bold;\"\u003eDrive the difference. Drive Vorsprung.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Which C8 engines does this page cover?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"The 3.0T turbo A6 and A7. Other engines in the C8 range use different parts, so check the fitment table before you order.\"}},{\"@type\":\"Question\",\"name\":\"How do I confirm fitment before I order?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Read the fitment table on the listing, or email help@vorsprungautowerk.com with your VIN and we will confirm before you order.\"}}]}\u003c\/script\u003e","products":[{"product_id":"vorsprung-zeus-ignition-coil-upgrade-kit-audi-3-0-turbo-ea839","title":"Vorsprung Zeus Ignition Coil Upgrade Kit, Audi 3.0T Turbo EA839 (B9 S4, S5, SQ5, C8 A6, A7, D5 A8, Q7, Q8)","description":"\u003cp\u003e🔥 \u003cstrong\u003eStop Overpaying for the Same Spark.\u003c\/strong\u003e 🔥\u003c\/p\u003e\n\u003cp\u003e\"Name them something stupid like Zeus coil packs\" - Unknown Audi Owner\u003c\/p\u003e\n\u003cp\u003e\"By the beard of Zeus!\" - Ron Burgundy\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eWe'll keep it simple\u003c\/strong\u003e\u003c\/span\u003e: we \u003cem\u003e\u003cspan style=\"color: #ff2a00;\"\u003e\u003cstrong\u003elove\u003c\/strong\u003e\u003c\/span\u003e\u003c\/em\u003e saving you money. Other companies slap a big name and markup on parts you already know, we go straight to the source. These coil packs come from the same place you're thinking of, laser-etched with our logo, and tested to the exact same standards.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThe difference? The performance data is identical. The price isn't.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eVorsprung Ignition Coils, here's why they're the smart choice:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e⚡ \u003cstrong\u003eUp to 10% more energy output\u003c\/strong\u003e than stock\u003c\/li\u003e\n\u003cli\u003e🔵 \u003cstrong\u003eRed or blue housing with Vorsprung logo\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e💪 \u003cstrong\u003eA true performance upgrade, not just for looks\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e🔌 \u003cstrong\u003eDirect plug-and-play fitment\u003c\/strong\u003e: no hassle\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eDirect ignition coil design\u003c\/strong\u003e (coil-on-plug, OEM-style reliability)\u003c\/li\u003e\n\u003cli\u003e🚗 \u003cstrong\u003eOne kit for every 3.0T turbo EA839 Audi\u003c\/strong\u003e, from the B9 S4 to the Q8\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eWhy upgrade?\u003c\/strong\u003e\u003cbr\u003eMore spark means stronger combustion, smoother power, and less chance of misfires. Plus, our reinforced design saves you from the typical failures, reduced power, poor fuel economy, and annoying misfires. \u003cem\u003e\u003cstrong\u003eHonestly? They just make your engine bay look way hotter.\u003c\/strong\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e\u003cstrong\u003eGet more performance without paying for the badge.\u003c\/strong\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cdiv class=\"product-fitment-section\" style=\"margin: 20px 0; font-family: inherit;\"\u003e\n\u003ch3 style=\"font-size: 1.1rem; margin-bottom: 10px; font-weight: bold;\"\u003eVehicle Fitment\u003c\/h3\u003e\n\u003cp\u003eThis kit fits the Audi 3.0T turbocharged EA839 V6: the B9\/B9.5 S4, S5 and SQ5 (2018 to present), the C8 A6 and A7 (2019 to present), the D5 A8 (2018 to present), the 4M.5 Q7 (2020 to present) and the Q8 (2019 to present). This is the newer turbocharged EA839 engine, distinct from the older supercharged EA837 3.0T. For the B8\/B8.5 S4, S5, Q5, SQ5, C7 A6\/A7, D4 A8 and 4L\/4M Q7, use the \u003ca href=\"\/products\/vorsprung-zeus-ignition-coil-upgrade-kit-audi-3-0-supercharged-ea837\"\u003eZeus EA837 kit\u003c\/a\u003e.\u003c\/p\u003e\n\u003cdiv style=\"overflow-x: auto;\"\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; text-align: left; font-size: 0.95rem;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"border-bottom: 2px solid #ddd; background-color: #f9f9f9;\"\u003e\n\u003cth style=\"padding: 10px; border: 1px solid #ddd;\"\u003eMake\u003c\/th\u003e\n\u003cth style=\"padding: 10px; border: 1px solid #ddd;\"\u003eModel\u003c\/th\u003e\n\u003cth style=\"padding: 10px; border: 1px solid #ddd;\"\u003eYears\u003c\/th\u003e\n\u003cth style=\"padding: 10px; border: 1px solid #ddd;\"\u003eChassis\u003c\/th\u003e\n\u003cth style=\"padding: 10px; border: 1px solid #ddd;\"\u003eEngine\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eAudi\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eS4\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e2018 to present\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eB9 \/ B9.5\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e3.0T V6 Turbo (EA839)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eAudi\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eS5 (Coupe, Sportback, Cabriolet)\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e2018 to present\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eB9 \/ B9.5\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e3.0T V6 Turbo (EA839)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eAudi\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eSQ5\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e2018 to present\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eB9 \/ B9.5\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e3.0T V6 Turbo (EA839)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eAudi\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eA6\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e2019 to present\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eC8\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e3.0T V6 Turbo (EA839)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eAudi\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eA7\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e2019 to present\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eC8\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e3.0T V6 Turbo (EA839)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eAudi\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eA8 \/ A8 L\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e2018 to present\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eD5\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e3.0T V6 Turbo (EA839)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eAudi\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eQ7\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e2020 to present\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e4M.5\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e3.0T V6 Turbo (EA839)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eAudi\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eQ8\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e2019 to present\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e4M\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e3.0T V6 Turbo (EA839)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp style=\"margin-top: 10px; font-size: 0.85rem; color: #555;\"\u003e\u003cem\u003e\u003cstrong\u003eNOTE:\u003c\/strong\u003e For the turbocharged EA839 3.0T engine only. Not compatible with the earlier supercharged EA837 3.0T. The 2.9T versions of the EA839 (RS4, RS5, S6, S7) and the 4.0T SQ7 and SQ8 are not listed. Confirm your engine code before ordering, or email help@vorsprungautowerk.com.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch3\u003eZeus Ignition Coil Upgrade Kit FAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this fit the B9 S4 and S5?\u003c\/strong\u003e\u003cbr\u003eYes. Every B9 and B9.5 S4 and S5 with the 3.0T turbo V6 (EA839) uses this coil. The same kit also fits the SQ5, C8 A6 and A7, D5 A8, Q7 and Q8 listed in the fitment table.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs this a direct plug-and-play fitment?\u003c\/strong\u003e\u003cbr\u003eYes. These coils bolt in and connect using the factory connectors with no tuning or wiring changes required.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDo I need a tune to run these?\u003c\/strong\u003e\u003cbr\u003eNo. These are a drop-in upgrade over the factory coils and don't require any tune to install or benefit from.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat's actually different from the stock coils?\u003c\/strong\u003e\u003cbr\u003eThese coils are built to the same source and standards as other premium aftermarket coils on the market, offering up to 10% more energy output than the factory units, at a lower price since we skip the third-party markup.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWill this fit my EA837 supercharged S4\/S5?\u003c\/strong\u003e\u003cbr\u003eNo. This kit is for the newer turbocharged EA839 3.0T engine. If you have the earlier supercharged EA837 3.0T, use the \u003ca href=\"\/products\/vorsprung-zeus-ignition-coil-upgrade-kit-audi-3-0-supercharged-ea837\"\u003eZeus EA837 kit\u003c\/a\u003e, which fits every supercharged 3.0T Audi.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow many coils are included?\u003c\/strong\u003e\u003cbr\u003eThis kit includes a full set of coils to replace all cylinders on the EA839 V6.\u003c\/p\u003e\n\u003ch3\u003eComplete Your Build\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/vorsprung-truchill-intercooler-audi-b9-b9-5-s4-s5-3-0t\"\u003eTruChill Intercooler (B9\/B9.5 S4, S5)\u003c\/a\u003e: keep charge temperatures down as spark and boost go up.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/audi-3-0t-2-9t-billet-thermostat-housing-ea839\"\u003eEA839 Billet Thermostat Housing\u003c\/a\u003e: replace the plastic housing while you are already working on the engine.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv style=\"background-color: #f8fafc; border: 1px solid #e2e8f0; border-radius: 8px; padding: 24px; margin: 30px 0;\"\u003e\n\u003ch3 style=\"font-size: 1.25rem; font-weight: bold; margin-top: 0; margin-bottom: 20px; text-transform: uppercase; letter-spacing: 0.5px; color: #0f172a;\"\u003eWhy Buy From Us?\u003c\/h3\u003e\n\u003cul style=\"list-style-type: none; padding: 0; margin: 0;\"\u003e\n\u003cli style=\"margin-bottom: 14px;\"\u003e✅ \u003cstrong\u003eEnthusiast Designed \u0026amp; Tested:\u003c\/strong\u003e Developed by people who actually drive and modify these cars.\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 14px;\"\u003e✅ \u003cstrong\u003eTested on Our Own Cars:\u003c\/strong\u003e Every product is validated on our own fleet before it ever reaches a customer.\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 14px;\"\u003e✅ \u003cstrong\u003eContinuous R\u0026amp;D:\u003c\/strong\u003e We're constantly refining our parts based on real-world feedback and testing.\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 14px;\"\u003e✅ \u003cstrong\u003eSupporting Audi Platform Development:\u003c\/strong\u003e Every purchase helps fund development of more parts for these platforms.\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 14px;\"\u003e✅ \u003cstrong\u003eReal Enthusiast Support:\u003c\/strong\u003e Talk to people who actually know these cars, not a call center script.\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 0;\"\u003e✅ \u003cstrong\u003ePerformance Without the Marketing Fluff:\u003c\/strong\u003e Honest parts, honest descriptions, no hype.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cp style=\"text-align: center; font-weight: bold; margin-top: 30px;\"\u003eDrive the difference. Drive Vorsprung.\u003c\/p\u003e","brand":"Vorsprung Autowerk","offers":[{"title":"Blue","offer_id":56775354188079,"sku":null,"price":199.99,"currency_code":"USD","in_stock":true},{"title":"Red","offer_id":56775354220847,"sku":null,"price":199.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0923\/5821\/3935\/files\/vorsprung-autowerk-blue-vorsprung-zeus-ignition-coil-upgrade-kit-audi-3-0-turbo-ea839-49417020014895.png?v=1785216547"},{"product_id":"audi-3-0t-2-9t-billet-thermostat-housing-ea839","title":"Audi 3.0T\/2.9T Billet Thermostat Housing, EA839","description":"\u003ch3\u003eVorsprung Autowerk Billet Aluminum Thermostat Housing (EA839 3.0T\/2.9T)\u003c\/h3\u003e\n\u003cdiv style=\"background-color: #fef9c3; border: 1px solid #eab308; border-radius: 6px; padding: 12px 16px; margin: 12px 0;\"\u003e\n\u003cspan style=\"display: inline-block; background-color: #92400e; color: #ffffff; font-weight: bold; font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.5px; padding: 3px 10px; border-radius: 4px; margin-right: 8px; vertical-align: middle;\"\u003ePre-Order\u003c\/span\u003e\n\u003cspan style=\"color: #451a03; font-size: 0.9rem; vertical-align: middle;\"\u003eThis is a new listing. Orders are shipping in batches, with stock arriving late October to early November 2026. Order now to be first in line.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cb\u003eYour cooling system runs on a part made from a material that can't handle its own job.\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eThe turbocharged EA839 3.0T\/2.9T V6 in your B9 S4, S5, SQ5, RS5, C8 A6, A7, S6, S7, D5 A8, 4M Q7 or Q8 makes serious heat under boost. Audi's answer at the thermostat housing? A factory plastic unit sitting directly in the coolant loop, baking through heat cycle after heat cycle.\u003c\/p\u003e\n\u003cp\u003eOver time that plastic goes brittle. It cracks at the seams, warps around the sealing surface, and starts weeping coolant right when you can least afford to lose it. A slow leak turns into a coolant warning, a coolant warning turns into an overheat, and an overheat on a turbocharged engine is not a cheap mistake.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eThe Permanent Solution:\u003c\/b\u003e We don't replace a failed plastic part with another plastic part. The \u003cb\u003eVorsprung Autowerk Billet Thermostat Housing\u003c\/b\u003e is machined from 6061-T6 aluminum and engineered to outlast the factory unit, and the car, entirely. It closes the weak point in your cooling loop for good, whether your EA839 sees daily traffic or a track day.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eReady to Drop In:\u003c\/b\u003e Order it with the OEM Calorstat thermostat already installed and go straight from box to bay, or grab the billet-only housing if you're reusing your current thermostat.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWant the full story?\u003c\/strong\u003e Read our \u003ca href=\"\/blogs\/news\/audi-ea839-thermostat-housing-failure-guide\"\u003eAudi EA839 thermostat housing failure guide\u003c\/a\u003e for symptoms, cost comparisons, and install notes.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cp\u003e\u003cb\u003eMaterial:\u003c\/b\u003e 6061-T6 Billet Aluminum (no cracking, no warping, no more plastic in the loop).\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cb\u003eFinish:\u003c\/b\u003e Anodized for corrosion resistance and a cleaner engine bay.\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eBillet Housing + OEM Calorstat Thermostat Includes:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eBillet Housing\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eOEM Calorstat Thermostat\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eOE Gaskets\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eAll Hardware\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eNew Bolts\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eBillet Housing Only Includes:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eAll of the above except the thermostat\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eComplete Your Build:\u003c\/strong\u003e Pair this housing with our \u003ca href=\"\/products\/vorsprung-zeus-ignition-coil-upgrade-kit-audi-3-0-turbo-ea839\"\u003eZeus Ignition Coil Upgrade Kit\u003c\/a\u003e for stronger spark on the same EA839 platform, or our \u003ca href=\"\/products\/vorsprung-autowerk-4-bar-map-sensors-audi-b9-ea839\"\u003e4 Bar MAP Sensors\u003c\/a\u003e if you're already pushing more boost than stock.\u003c\/p\u003e\n\u003chr\u003e\n\u003cdiv class=\"product-fitment-section\" style=\"margin: 20px 0; font-family: inherit;\"\u003e\n\u003ch3 style=\"font-size: 1.1rem; margin-bottom: 10px; font-weight: bold;\"\u003eVehicle Fitment\u003c\/h3\u003e\n\u003cp\u003eThis housing replaces OEM part number 06M121115P (and the OEM thermostat, 06M121115N) across the EA839 3.0T\/2.9T turbocharged platform below.\u003c\/p\u003e\n\u003cdiv style=\"overflow-x: auto;\"\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; text-align: left; font-size: 0.95rem;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"border-bottom: 2px solid #ddd; background-color: #f9f9f9;\"\u003e\n\u003cth style=\"padding: 10px; border: 1px solid #ddd;\"\u003eMake\u003c\/th\u003e\n\u003cth style=\"padding: 10px; border: 1px solid #ddd;\"\u003eModel\u003c\/th\u003e\n\u003cth style=\"padding: 10px; border: 1px solid #ddd;\"\u003eYears\u003c\/th\u003e\n\u003cth style=\"padding: 10px; border: 1px solid #ddd;\"\u003eChassis\u003c\/th\u003e\n\u003cth style=\"padding: 10px; border: 1px solid #ddd;\"\u003eEngine\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eAudi\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eS4\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e2018–Present\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eB9 \/ B9.5\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e3.0T V6 Turbo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eAudi\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eS5\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e2018–Present\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eB9 \/ B9.5\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e3.0T V6 Turbo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eAudi\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eSQ5\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e2018–Present\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eB9 \/ B9.5\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e3.0T V6 Turbo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eAudi\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eA6, A7\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e2019–Present\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eC8\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e3.0T V6 Turbo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eAudi\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eA8\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e2018–Present\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eD5\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e3.0T V6 Turbo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eAudi\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eQ7\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e2020–Present\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e4M.5\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e3.0T V6 Turbo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eAudi\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eQ8\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e2019–Present\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e4M\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e3.0T V6 Turbo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eAudi\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eRS5\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e2018–Present\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eB9 \/ B9.5\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e2.9T V6 Twin-Turbo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eAudi\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eS6\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e2020–Present\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eC8\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e2.9T V6 Twin-Turbo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eAudi\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eS7\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e2020–Present\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eC8\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e2.9T V6 Twin-Turbo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp style=\"margin-top: 10px; font-size: 0.85rem; color: #555;\"\u003e\u003cem\u003e\u003cstrong\u003eNOTE:\u003c\/strong\u003e This is the newer turbocharged EA839 3.0T\/2.9T engine, distinct from the older supercharged EA837 3.0T. Check your engine code before ordering.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003chr\u003e\n\u003ch3\u003eThermostat Housing FAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhy does the factory plastic thermostat housing fail?\u003c\/strong\u003e\u003cbr\u003eAfter thousands of heat cycles and constant exposure to corrosive antifreeze, the factory plastic turns brittle, cracks, and warps, eventually weeping coolant and risking an overheat on a turbocharged engine.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eShould I get the full assembly or the billet-only housing?\u003c\/strong\u003e\u003cbr\u003eThe full assembly includes a billet housing pre-assembled with an OEM Calorstat thermostat, OE gaskets, all hardware, and new bolts. The billet-only housing includes everything except the thermostat, for anyone reusing a known-good factory unit.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs this a direct bolt-on?\u003c\/strong\u003e\u003cbr\u003eYes. It comes pre-assembled and installs in place of the factory plastic housing with no modification required.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWill this fit my supercharged EA837 S4\/S5?\u003c\/strong\u003e\u003cbr\u003eNo. This housing is for the newer turbocharged EA839 3.0T\/2.9T engine. If you have the older supercharged EA837 3.0T, check our separate EA837 billet thermostat housing listing instead.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDo I need a tune after installing this?\u003c\/strong\u003e\u003cbr\u003eNo. This is a mechanical cooling system upgrade, not a tuning part, so no software changes are required.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhen will my order ship?\u003c\/strong\u003e\u003cbr\u003eThis is a pre-order listing. Orders are shipping in batches, with current stock arriving late October to early November 2026.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWill this fit my Audi?\u003c\/strong\u003e\u003cbr\u003eCheck the Vehicle Fitment table above. It covers every EA839 3.0T and 2.9T Audi listed there. If your Audi isn't listed, email us at help@vorsprungautowerk.com before ordering.\u003c\/p\u003e\n\u003chr\u003e\n\u003cdiv style=\"background-color: #f8fafc; border: 1px solid #e2e8f0; border-radius: 8px; padding: 24px; margin: 30px 0;\"\u003e\n\u003ch3 style=\"font-size: 1.25rem; font-weight: bold; margin-top: 0; margin-bottom: 20px; text-transform: uppercase; letter-spacing: 0.5px; color: #0f172a;\"\u003eWhy Buy From Us?\u003c\/h3\u003e\n\u003cul style=\"list-style-type: none; padding: 0; margin: 0;\"\u003e\n\u003cli style=\"margin-bottom: 14px;\"\u003e✅ \u003cstrong style=\"color: #0f172a;\"\u003eEnthusiast Designed \u0026amp; Tested:\u003c\/strong\u003e Developed by people who actually drive and modify these cars.\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 14px;\"\u003e✅ \u003cstrong style=\"color: #0f172a;\"\u003eTested on Our Own Cars:\u003c\/strong\u003e If we wouldn't run it ourselves, we don't sell it.\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 14px;\"\u003e✅ \u003cstrong style=\"color: #0f172a;\"\u003eContinuous R\u0026amp;D:\u003c\/strong\u003e We continually develop and improve our products instead of relying on generic catalog parts.\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 14px;\"\u003e✅ \u003cstrong style=\"color: #0f172a;\"\u003eSupporting Audi Platform Development:\u003c\/strong\u003e Your purchase helps fund continued development of new parts for these chassis.\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 14px;\"\u003e✅ \u003cstrong style=\"color: #0f172a;\"\u003eReal Enthusiast Support:\u003c\/strong\u003e Get help from people who understand the platform, not ticket bots.\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 14px;\"\u003e✅ \u003cstrong style=\"color: #0f172a;\"\u003eSmall Team, Big Passion:\u003c\/strong\u003e Every order directly supports continued product development and innovation.\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 0;\"\u003e✅ \u003cstrong style=\"color: #0f172a;\"\u003ePerformance Without the Marketing Fluff:\u003c\/strong\u003e Purpose-built parts designed to perform.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003chr\u003e\n\u003cp style=\"text-align: center; font-weight: bold; margin-top: 30px;\"\u003eDrive the difference. Drive Vorsprung.\u003c\/p\u003e","brand":"Vorsprung Autowerk","offers":[{"title":"Billet Housing + OEM Calorstat Thermostat","offer_id":58552910840111,"sku":null,"price":224.99,"currency_code":"USD","in_stock":true},{"title":"Billet Housing","offer_id":58552910872879,"sku":null,"price":159.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0923\/5821\/3935\/files\/b41c95ad25fd656c868519f3a3718af2.png?v=1790606186"}],"url":"https:\/\/www.vorsprungautowerk.com\/collections\/audi-a6-a7-c8-3-0t-performance-parts.oembed","provider":"Vorsprung Autowerk","version":"1.0","type":"link"}