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Billet aluminum Audi 3.0T thermostat housing for EA837 Gen 1 S4, S5, Q5, SQ5, A6 and A7
06E121111AL

Audi 3.0T Thermostat Housing: Billet OEM+ Upgrade for Gen 1 and CREC

Why the factory plastic Audi 3.0T thermostat housing cracks, what to look for in a...
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Vorsprung OE Ultimate Under Supercharger Kit for Audi 3.0T, GPS under supercharger kit alternative
3.0T

GPS Under Supercharger Kit Alternative: Same OE Parts, Up to $215 Less (Audi 3.0T B8, B8.5, C7, CREC)

Shopping the GPS Under Supercharger Kit for your Audi 3.0T? We compared parts lists and...
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GP Ice heat exchanger v2 for Audi 3.0T supercharged B8 S4, S5, SQ5 and C7 A6, A7 replacement
Audi 3.0T

Heat Exchanger Replacement Cost: Audi 3.0T Parts, Labor and Dealer vs DIY

What does an Audi 3.0T supercharger heat exchanger replacement really cost? Parts, labor, dealer vs...
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High-flow port fuel injectors for auxiliary port injection on Audi 3.0T and 4.0T direct injection engines
Direct Injection

550cc Injectors for Audi: Port vs Direct Injection on the 3.0T and 4.0T

Thinking about 550cc injectors for your Audi? Here is why Bosch-style 550cc port injectors do...
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Billet aluminum thermostat housing for Audi 3.0T EA837 Gen 1 to use with G13 coolant service
Audi 3.0T

G13 Coolant for Audi: Chemistry, Mixing Rules and Flush-and-Fill Tips

G13 coolant is not just "the purple stuff." Learn what TL 774-J actually is, what...
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Auxiliary radiator Audi upgrade: GP Ice low-temperature heat exchanger for 3.0T supercharged S4, S5, SQ5, A6, A7
Audi 3.0T

Auxiliary Radiator Audi Guide: 3.0T and 4.0T Low-Temp vs Engine Loop

Audi uses "auxiliary radiator" for two very different parts. Learn which one cools your engine...
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PCV breather hose for Audi 3.0T supercharged, replacement for 06E103207AP
Audi 3.0T

PCV Breather Hose Audi 3.0T: Part Numbers, Cracks and Fitment

Cracked plastic PCV breather hoses are one of the sneakiest vacuum leaks on the Audi...
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Viton GLT intake manifold gasket set for an Audi 3.0T EA837 cylinder head gasket set job
Audi 3.0T

Audi Cylinder Head Gasket Set: What It Covers and What to Add on a 3.0T

What an Audi cylinder head gasket set really covers, why MLS gaskets and single-use head...
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Audi 3.0T under supercharger kit for B8.5 S4, S5, SQ5 and C7 A6, A7 intercooler leak repair
Audi 3.0T

Intercooler Leak Symptoms on the Audi 3.0T: Coolant Loss, Smoke, Boost Loss

Losing coolant with no puddle, white smoke on startup, or a stumble after a short...
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Audi 3.0T supercharged engine under supercharger kit for Gen 1 EA837 B8.5 and C7
Audi 3.0T

Audi 3.0T Supercharged Engine: EA837 Gen 1 vs CREC, Failures & Fixes

The Audi 3.0T supercharged engine (EA837) explained: Gen 1 vs Gen 2 CREC, which models...
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Billet 10AN fitting for braided oil lines and breather plumbing on the Audi 3.0T
AN Fittings

Braided Oil Lines: AN Sizing, PTFE vs Rubber and Audi 3.0T Cooler Setups

What AN sizes mean, when to choose PTFE-lined or rubber-core braided oil lines, how to...
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Audi 3.0T EA837 oil filter housing and gasket replacement DIY, B8.5 S4 and C7 A6 supercharged V6
Audi 3.0T

How to Replace Oil Filter Housing Gasket on an Audi 3.0T, Step by Step

A DIY walkthrough for replacing the oil filter housing gasket on the supercharged Audi 3.0T:...
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