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Audi B6 A4 Quattro 1.8T

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Audi B6 A4 Quattro 1.8T Engine Parts & Accessories

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Performance Stainless 2.5" Downpipe

ES#3175268 - 251125R - Performance Stainless 2.5" Downpipe - High flow, stainless downpipe kit to be used with factory exhaust - Techtonics Tuning - Audi

High flow, stainless downpipe kit to be used with factory exhaust Fits quattro 5-speed transmission models only - To be used with factory exhaust

Brand:
Techtonics Tuning - Corporate Logo
ES#:
3175268
Mfg#:
251125R
Ships on Oct 8, 2026
$286.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Performance Stainless 2.5" Downpipe

ES#3175265 - 251124 - Performance Stainless 2.5" Downpipe - High flow, stainless downpipe kit to be used with 2.5" aftermarket exhaust - Techtonics Tuning - Audi

High flow, stainless downpipe kit to be used with 2.5" aftermarket exhaust Fits automatic transmission models only - To be used with 2.5" aftermarket exhaust system

Brand:
Techtonics Tuning - Corporate Logo
ES#:
3175265
Mfg#:
251124
Ships on Oct 8, 2026
$286.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Performance Stainless 2.5" Downpipe

ES#3175278 - 251130 - Performance Stainless 2.5" Downpipe - High flow, stainless downpipe kit to be used with 2.5" aftermarket exhaust - Techtonics Tuning - Audi

High flow, stainless downpipe kit to be used with 2.5" aftermarket exhaust Fits quattro 6-speed transmission models only - To be used with 2.5" aftermarket exhaust system

Brand:
Techtonics Tuning - Corporate Logo
ES#:
3175278
Mfg#:
251130
Ships on Oct 8, 2026
$286.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Performance Stainless 2.5" Downpipe

ES#3175266 - 251124R - Performance Stainless 2.5" Downpipe - High flow, stainless downpipe kit to be used with factory exhaust - Techtonics Tuning - Audi

High flow, stainless downpipe kit to be used with factory exhaust Fits automatic transmission models only - To be used with factory exhaust system

Brand:
Techtonics Tuning - Corporate Logo
ES#:
3175266
Mfg#:
251124R
Ships on Oct 8, 2026
$286.00 USD
This product is lifetime replacement eligible Lifetime Replacement

Engine Oil Pump

ES#5341395 - 06A115105B - Engine Oil Pump - Keeps oil flowing through the engine - Bremmen Parts - Audi Volkswagen

Keeps oil flowing through the engine 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bremmen Parts - Corporate Logo
ES#:
5341395
Mfg#:
06A115105B
In Stock
ON SALE! SAVE 21%
$71.99

This product was last offered at the strikethrough price on
05-02-2026

$57.11 USD
Free Shipping
on orders $49 and up

Pressure Control Valve (PCV) - (19mm)

ES#4818408 - 035103245A - Pressure Control Valve (PCV) - (19mm) - Located under the intake manifold - Bremmen Parts - Audi Volkswagen

Located under the intake manifold 10X Entries Into Our F80 M3 Sweepstakes

Up to VIN 8E-3-040000, split is in the 2003 model year

Brand:
Bremmen Parts - Corporate Logo
ES#:
4818408
Mfg#:
035103245A
In Stock
ON SALE! SAVE 26%
$10.99

This product was last offered at the strikethrough price on
05-02-2026

$8.15 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Accessory Belt Kit

ES#2588267 - 06B903133EKT3 - Accessory Belt Kit - Consisting of genuine Audi parts to keep your accessories running the way they were intended. - Genuine Volkswagen Audi - Audi

Consisting of genuine Audi parts to keep your accessories running the way they were intended. From VIN 8E-4-191001 - split is in the 2004 model year

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2588267
Mfg#:
06B903133EKT3
Ships in 4 Business Days
$284.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Cooling Hose Retaining Clip - Priced Each

ES#307207 - 1J0121142 - Cooling Hose Retaining Clip - Priced Each - Secures the radiator hose to the flange. 32mm - Genuine Volkswagen Audi - Audi Volkswagen

Secures the radiator hose to the flange. 32mm

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
307207
Mfg#:
1J0121142
In Stock
21% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$6.47

This product was last offered at the strikethrough price on
09-16-2026

$5.08 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

2.0T Coil Pack Conversion Kit - Stage 1

ES#2713404 - 002598ECS17KT - 2.0T Coil Pack Conversion Kit - Stage 1 - Includes wrinkle red conversion plate -w- red 2.0T coils - ECS - Audi Volkswagen

Includes wrinkle red conversion plate -w- red 2.0T coils 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
2713404
Mfg#:
002598ECS17KT
In Stock
ON SALE!
$292.99

This product was last offered at the strikethrough price on
06-13-2026

$284.20 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

2.0T Coil Pack Conversion Kit - Stage 1

ES#2713391 - 002598ECS01KT - 2.0T Coil Pack Conversion Kit - Stage 1 - Includes wrinkle black conversion plate -w- red 2.0T coils - ECS - Audi Volkswagen

Includes wrinkle black conversion plate -w- red 2.0T coils 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
2713391
Mfg#:
002598ECS01KT
In Stock
ON SALE!
$292.99

This product was last offered at the strikethrough price on
06-13-2026

$284.20 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oil Cap

ES#1848607 - 06B103485C - Oil Cap - Clean up your engine bay with a new cap - Febi - Audi Volkswagen

Clean up your engine bay with a new cap We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
1848607
Mfg#:
06B103485C
In Stock
$5.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Flange Hose

ES#3448648 - 06D121101B - Coolant Flange Hose - Connects the rear coolant flange to the hard water pipe - Rein - Audi

Connects the rear coolant flange to the hard water pipe 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
3448648
Mfg#:
06D121101B
In Stock
$6.53 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Sealing O-Ring - Priced Each

ES#2535131 - N90316802 - Sealing O-Ring - Priced Each - Seal for most clip-in cooling sensors/senders. M19.6x3.6mm - URO - Audi Volkswagen

Seal for most clip-in cooling sensors/senders. M19.6x3.6mm 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2535131
Mfg#:
N90316802
In Stock
$1.26 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Belly Pan & Installation Hardware Kit

ES#2622505 - 8E0863821ALKT - Belly Pan & Installation Hardware Kit - Includes a replacement belly pan with all necessary mounting hardware - Assembled By ECS - Audi

Includes a replacement belly pan with all necessary mounting hardware 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
2622505
Mfg#:
8E0863821ALKT
Ships on Nov 24, 2026
ON SALE! SAVE 23%
$359.99

This product was last offered at the strikethrough price on
05-02-2026

$276.55 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Air Pump Hose

ES#2207885 - 058133785B - Air Pump Hose - Connects the metal pipes in the air pump system - MTC - Audi Volkswagen

Connects the metal pipes in the air pump system

Brand:
MTC - Corporate Logo
ES#:
2207885
Mfg#:
058133785B
Ships in 5 Business Days
$22.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cooling System Refresh Kit - Level 1

ES#2586303 - 06B121111K1KT - Cooling System Refresh Kit - Level 1 - Replace your thermostat, temp sensor and expansion tank with one kit! - Assembled By ECS - Audi

Replace your thermostat, temp sensor and expansion tank with one kit! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
2586303
Mfg#:
06B121111K1KT
Ships in 1 day
ON SALE! SAVE 50%
$546.99

This product was last offered at the strikethrough price on
05-02-2026

$275.61 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

More About Engine Parts & Accessories

Whether you're maintaining or repairing your stock engine or looking for added horsepower, we have one of the most comprehensive inventories of engine parts and accessories for German cars. From hard engine parts like connecting rods, pistons, cylinder heads, short blocks, and engine timing parts to performance engine software upgrades; we have you covered.

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