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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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Front Mount Intercooler Kit - 600HP Kit

ES#4369952 - CTSB6A4FMIC600 - Front Mount Intercooler Kit - 600HP Kit - Decrease heatsoak with this front mount intercooler - CTS - Audi

Decrease heatsoak with this front mount intercooler

Brand:
CTS - Corporate Logo
ES#:
4369952
Mfg#:
CTSB6A4FMIC600
Special Order: No Guaranteed ETA
$749.99 USD
Free Shipping

Engine Oil Cooler

ES#3200315 - 06D117021C - Engine Oil Cooler - Lowers engine oil temperature - URO - Audi Volkswagen

Lowers engine oil temperature 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
3200315
Mfg#:
06D117021C
In Stock
$67.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Heater Core

ES#3419928 - 8E1820031 - Heater Core - Stop coolant loss and cure a fogged windshield - Behr - Audi

Stop coolant loss and cure a fogged windshield

Brand:
Behr - Corporate Logo
ES#:
3419928
Mfg#:
8E1820031
Ships in 1 Business Day
$92.99

This product was last offered at the strikethrough price on
05-07-2026

$82.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Timing Belt Damper

ES#2866219 - 06B109477A - Timing Belt Damper - Applies pressure to the tensioning roller - Febi - Audi Volkswagen

Applies pressure to the tensioning roller We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2866219
Mfg#:
06B109477A
In Stock
ON SALE! SAVE 32%
$99.16

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

$67.89 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rear Crankshaft Seal - With Flange

ES#3438782 - 06A103171A - Rear Crankshaft Seal - With Flange - Also referred to as the rear main seal - Victor Reinz - Audi Volkswagen

Also referred to as the rear main seal

Brand:
Victor Reinz - Corporate Logo
ES#:
3438782
Mfg#:
06A103171A
In Stock
$72.99

This product was last offered at the strikethrough price on
07-17-2026

$61.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Drain Plug

ES#2792760 - N90813201 - Oil Drain Plug - Includes crush washer. M14x1.5 - Febi - Audi Volkswagen

Includes crush washer. M14x1.5 We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2792760
Mfg#:
N90813201
In Stock
$5.39 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Crankcase Breather Tube

ES#4818428 - 06A103213F - Crankcase Breather Tube - Connects the oil filter adapter to the three-way valve housing - Bremmen Parts - Audi Volkswagen

Connects the oil filter adapter to the three-way valve housing 10X Entries Into Our F80 M3 Sweepstakes

Up to VIN 8E-3-500000, split is in the 2003 model year

Brand:
Bremmen Parts - Corporate Logo
ES#:
4818428
Mfg#:
06A103213F
In Stock
ON SALE! SAVE 10%
$13.99

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

$12.59 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Track Density Line Transmission Mount - Priced Each

ES#2951989 - 034-509-4006td - Track Density Line Transmission Mount - Priced Each - Increase performance and durability without sacrificing comfort - 034Motorsport - Audi

Increase performance and durability without sacrificing comfort 2X Entries Into Our F80 M3 Sweepstakes
Automatic transmission only

Brand:
034Motorsport - Corporate Logo
ES#:
2951989
Mfg#:
034-509-4006TD
Ships in 2 Business Days
$67.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Air Temperature Sensor

ES#250197 - 06B905379D - Air Temperature Sensor - Mounted on the intake manifold - Vemo - Audi Volkswagen

Mounted on the intake manifold

Brand:
Vemo - Corporate Logo
ES#:
250197
Mfg#:
06B905379D
Ships in 3 Business Days
$40.99

This product was last offered at the strikethrough price on
08-13-2026

$31.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Exhaust Manifold Gasket

ES#277713 - 058253039L - Exhaust Manifold Gasket - Seals the exhaust manifold to the cylinder head - Genuine Volkswagen Audi - Audi Volkswagen

Seals the exhaust manifold to the cylinder head

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
277713
Mfg#:
058253039L
In Stock
19% off MSRP

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

$52.99

This product was last offered at the strikethrough price on
09-14-2026

$42.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Snub Mount

ES#436328 - 8E0199339 - Snub Mount - Worn mounts can cause excessive engine movement under load - Genuine Volkswagen Audi - Audi

Worn mounts can cause excessive engine movement under load

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
436328
Mfg#:
8E0199339
In Stock
35% off MSRP

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

$25.99

This product was last offered at the strikethrough price on
07-18-2026

$16.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cylinder Head Coolant Pipe

ES#4039279 - 06E121045E - Cylinder Head Coolant Pipe - Coolant supply pipe for the cylinder heads - Vaico - Audi

Coolant supply pipe for the cylinder heads We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
4039279
Mfg#:
06E121045E
Ships in 1 Business Day
$149.99

This product was last offered at the strikethrough price on
05-07-2026

$145.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Boost Control Valve (N75)

ES#4858458 - 034-145-D006 - Boost Control Valve (N75) - An excellent stock replacement. - 034Motorsport - Audi Volkswagen

An excellent stock replacement. 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
4858458
Mfg#:
034-145-D006
Back Ordered
$180.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Timing Belt Kit - Ultimate

ES#3176154 - 06b109119fKT - Timing Belt Kit - Ultimate - Everything you need for a complete timing belt job on your 1.8T. Buy it all together & save. - Assembled By ECS - Audi

Everything you need for a complete timing belt job on your 1.8T. Buy it all together & save. 10X Entries Into Our F80 M3 Sweepstakes
Up to VIN 8E-4-191000, split is in the 2004 model year

Brand:
Assembled By ECS - Corporate Logo
ES#:
3176154
Mfg#:
06B109119FKT
Ships in 7 Business Days
$720.99

This product was last offered at the strikethrough price on
07-08-2026

$715.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

25mm Pressure Regulating Valve (PRV)

ES#4858146 - 034-101-Z006 - 25mm Pressure Regulating Valve (PRV) - Located on the intake hose leading to the turbo inlet - 034Motorsport - Audi Volkswagen

Located on the intake hose leading to the turbo inlet 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
4858146
Mfg#:
034-101-Z006
Ships on Oct 2, 2026
$119.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Aluminum Drain Plug Washer - Pack Of 10

ES#248399 - N138492alu10PACK - Aluminum Drain Plug Washer - Pack Of 10 - Replace with every oil service to prevent leaks. M14x20x1.5 - Elring - Audi Volkswagen

Replace with every oil service to prevent leaks. M14x20x1.5 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Elring - Corporate Logo
ES#:
248399
Mfg#:
N138492ALU10PACK
In Stock
$30.99

This product was last offered at the strikethrough price on
04-21-2026

$22.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime 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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