Fittings

Whether you’re putting together a custom catch can setup, adding a boost reference, replacing brittle factory breather components, or sourcing the right AN fitting for your build, this collection brings everything together in one place. From coolant hose fittings and boost taps to breather solutions and conversion fittings, these parts are designed to make custom plumbing on the Audi 3.0T cleaner, simpler, and more reliable.

Filters
Vorsprung Autowerk billet straight fitting for 3/4 inch barb hose, durable metal connector for automotive fluid lines.

Billet Straight Fitting 3/4″ Barb Hose

Regular price $9.99
Sale price $9.99 Regular price
Unit price
Precision-engineered billet straight fitting designed to connect 3/4″ barb hoses in a direct line for...
Vorsprung Autowerk billet T fitting with 3/4 inch barb hose connectors for automotive fluid lines.

Billet T Fitting 3/4″ Barb Hose

Regular price $12.99
Sale price $12.99 Regular price
Unit price
Precision-engineered billet T fitting designed to combine or split three 3/4″ barb hoses in a...
Vorsprung Autowerk billet Y 3-way fitting with 3/4 inch barb hose connectors for automotive fluid systems.

Billet Y 3-way Fitting 3/4″ Barb Hose

Regular price $12.99
Sale price $12.99 Regular price
Unit price
Precision-engineered billet Y 3-way fitting designed to split or combine 3/4″ barb hoses for versatile...
Vorsprung Autowerk billet 90-degree fitting with 3/4 inch barb hose connection for automotive use.

Billet 90 Fitting 3/4″ Barb Hose

Regular price $12.99
Sale price $12.99 Regular price
Unit price
Precision-engineered billet 90-degree fitting designed to redirect 3/4″ barb hoses at a right angle for...
Vorsprung Autowerk billet PCV breather quick connect for 3.0 valve cover, 19mm to 10AN male, 90-degree fitting for Audi, BMW, Lamborghini, Toyota

Billet PCV Breather Quick Connect (3.0 Valve Cover) 19MM Male To 10AN Male 90Deg, for Audi, BMW, Lamborghini, Toyota

Regular price $44.99
Sale price $44.99 Regular price
Unit price
Billet PCV Breather Fitting for Audi 3.0T Upgrade the weak points in your Audi 3.0T...
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Nitrous Express Nitrous Flo-Thru Manifold (4AN) Swivel

Regular price $44.95
Sale price $44.95 Regular price
Unit price
This billet aluminum manifold swivels on one end which allows you to attach the manifold...
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Nitrous Express 3AN x 1/8 NPT Straight

Regular price $25.95
Sale price $25.95 Regular price
Unit price
Nitrous Express 3AN x 1/8 NPT Straight
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Nitrous Express 4AN x 1/8 NPT Straight

Regular price $25.95
Sale price $25.95 Regular price
Unit price
Nitrous Express 4AN x 1/8 NPT Straight
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Nitrous Express 1/8NPT x 3AN x 3AN Billet Pure-Flo Y Fitting - Black

Regular price $53.95
Sale price $53.95 Regular price
Unit price
"Finally, a one-piece billet, turbulence free, Y fitting. Unlike other, so called, high flow Ys...
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Radium Engineering Universal Hose Barb Adapter For 1-1/4in ID Hose ( w/ 1/4NPT Port) - Green

Regular price $56.95
Sale price $56.95 Regular price
Unit price
This 1/4 NPT fitting is used to build or adapt custom fuel, oil, or coolant...
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Radium Engineering 8AN ORB to 1/8NPT Female Adapter Fitting - Blk Anodized

Regular price $32.95
Sale price $32.95 Regular price
Unit price
This adapter fitting converts an 8AN ORB port to a 1/8 NPT connection, letting you...
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Radium Engineering 10AN ORB to 6AN Male Fitting - Black

Regular price $32.95
Sale price $32.95 Regular price
Unit price
This adapter fitting converts a 10AN ORB port to a 6AN male connection, letting you...
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Radium Engineering 10AN to 8AN Male Fitting - Black

Regular price $32.95
Sale price $32.95 Regular price
Unit price
This adapter fitting converts a 10AN port to an 8AN male connection, letting you mix...
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Radium Engineering 10AN Male to 10AN ORB Fitting - Black

Regular price $32.95
Sale price $32.95 Regular price
Unit price
This 10AN ORB male fitting is used to build or adapt custom fuel, oil, or...
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Radium Engineering Fuel Pump Inlet Filter Sock

Regular price $32.95
Sale price $32.95 Regular price
Unit price
This filter sock fits directly over the inlet of a submersible fuel pump, screening out...
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Radium Engineering OEM Style SAE Quick Disconnect Fitting 5/16in Male to 6AN Male

Regular price $37.95
Sale price $37.95 Regular price
Unit price
This adapter fitting converts a 6AN port to a SAE quick-connect connection, letting you mix...
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Radium Engineering 3/8in SAE Male to 6AN Male

Regular price $37.95
Sale price $37.95 Regular price
Unit price
This adapter fitting converts a 6AN port to a SAE quick-connect connection, letting you mix...
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Radium Engineering 6AN Inline to 1/8NPT Female Fitting

Regular price $37.95
Sale price $37.95 Regular price
Unit price
This adapter fitting converts a 6AN port to a 1/8 NPT connection, letting you mix...
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Radium Engineering 8AN Inline to 1/8NPT Female Fitting

Regular price $37.95
Sale price $37.95 Regular price
Unit price
This adapter fitting converts an 8AN port to a 1/8 NPT connection, letting you mix...
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Radium Engineering 10AN Inline to 1/8NPT Female Fitting

Regular price $37.95
Sale price $37.95 Regular price
Unit price
This adapter fitting converts a 10AN port to a 1/8 NPT connection, letting you mix...
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Sold Out

Radium Engineering 6AN ORB Plug

Regular price $32.95
Sale price $32.95 Regular price
Unit price
This 6AN ORB plug seals off a 6AN ORB port that isn't in use on...
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Radium Engineering 8AN ORB Plug

Regular price $32.95
Sale price $32.95 Regular price
Unit price
This 8AN ORB plug seals off an 8AN ORB port that isn't in use on...
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Radium Engineering 8AN ORB to 6AN Male Fitting

Regular price $28.95
Sale price $28.95 Regular price
Unit price
This adapter fitting converts an 8AN ORB port to a 6AN male connection, letting you...
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Radium Engineering 8AN ORB to 8AN Male Fitting

Regular price $28.95
Sale price $28.95 Regular price
Unit price
This 8AN ORB male fitting is used to build or adapt custom fuel, oil, or...
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Radium Engineering 8AN ORB to 10AN Male Fitting

Regular price $28.95
Sale price $28.95 Regular price
Unit price
This adapter fitting converts an 8AN ORB port to a 10AN male connection, letting you...
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Radium Engineering 1/8in NPT Plug

Regular price $23.95
Sale price $23.95 Regular price
Unit price
This plug seals off a threaded port that isn't in use on a Radium Engineering...
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Radium Engineering Dual 6AN to 8AN Y-Adapter Block Fitting

Regular price $47.95
Sale price $47.95 Regular price
Unit price
This distribution block combines multiple 6AN/8AN lines into a single feed, useful for splitting fuel...
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Radium Engineering 6AN 6 AN 6 AN Y Adapter Fitting

Regular price $47.95
Sale price $47.95 Regular price
Unit price
This distribution block combines multiple 6AN lines into a single feed, useful for splitting fuel...
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Radium Engineering 3/16in Barb Vacuum Port Adapter

Regular price $28.95
Sale price $28.95 Regular price
Unit price
This fitting adapts between hose and port sizes for custom fuel, oil, or coolant plumbing...
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Radium Engineering 10AN ORB to Barb .375in Hose

Regular price $32.95
Sale price $32.95 Regular price
Unit price
This 10AN ORB fitting is used to build or adapt custom fuel, oil, or coolant...
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Radium Engineering 10AN ORB to Barb .500in Hose

Regular price $32.95
Sale price $32.95 Regular price
Unit price
This 10AN ORB fitting is used to build or adapt custom fuel, oil, or coolant...
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Radium Engineering 10AN ORB to Barb .625in Hose

Regular price $32.95
Sale price $32.95 Regular price
Unit price
This 10AN ORB fitting is used to build or adapt custom fuel, oil, or coolant...
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