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Audi B5 A4 Quattro 1.8T Engine Parts & Accessories

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ES#1542 - AWMTBKV2 EV - Ultimate Timing Belt Kit - Complete kit to service your timing belt, water pump, and thermostat - Assembled By ECS - Audi

Complete kit to service your timing belt, water pump, and thermostat 10X Entries Into Our F80 M3 Sweepstakes
For models with AWM engine code up to VIN 8D-1-042384, split is in the 2001 model year

Brand:
Assembled By ECS - Corporate Logo
ES#:
1542
Mfg#:
AWMTBKV2 EV
In Stock
ON SALE! SAVE 13%
$287.99

This product was last offered at the strikethrough price on
10-21-2026

$251.90 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#274566 - 037133047A - Retaining Clip - Secures the pressure regulator to the fuel rail - Genuine Volkswagen Audi - Audi Volkswagen

Secures the pressure regulator to the fuel rail

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
274566
Mfg#:
037133047A
In Stock
13% off MSRP

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

$15.99

This product was last offered at the strikethrough price on
11-03-2026

$13.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#251238 - 058253039L - Exhaust Manifold Gasket - Seals the exhaust manifold to the cylinder head - Victor Reinz - Audi Volkswagen

Seals the exhaust manifold to the cylinder head

Brand:
Victor Reinz - Corporate Logo
ES#:
251238
Mfg#:
058253039L
In Stock
$11.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4043063 - CTSEXHTP001B5CA - CTS Turbo B5 A4 High-flow Cat Pipe  - Seamlessly fits in place of your restrictive stock cat - Features 3 stainless steel piping, smooth mandrel bends, and two 02 sensor bungs - CTS - Audi

Seamlessly fits in place of your restrictive stock cat - Features 3″ stainless steel piping, smooth mandrel bends, and two 02 sensor bungs

Brand:
CTS - Corporate Logo
ES#:
4043063
Mfg#:
CTSEXHTP001B5CA
Special Order: No Guaranteed ETA
$249.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#766 - 06A121011L - Water Pump - Featuring a metal impeller - Graf - Audi Volkswagen

Featuring a metal impeller

Brand:
Graf - Corporate Logo
ES#:
766
Mfg#:
06A121011L
Ships in 1 Business Day
$49.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#1692 - 1J0121321B - Expansion Tank Cap - Keep proper pressure in your coolant system - Febi - Audi Volkswagen Porsche

Keep proper pressure in your coolant system We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
1692
Mfg#:
1J0121321B
In Stock
$12.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#240337 - 053103155E - Oil Pressure Relief Valve - Priced Each - Used with and secures the oil jet under each piston - Genuine Volkswagen Audi - Audi

Used with and secures the oil jet under each piston Engine codes AEB & ATW

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
240337
Mfg#:
053103155E
Ships in 1 day
15% off MSRP

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

$47.99

This product was last offered at the strikethrough price on
08-31-2026

$40.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#292340 - 165906381 - Multipurpose Relay - Priced Each - Electronic control module relay - Genuine Volkswagen Audi - Audi Volkswagen

Electronic control module relay From VIN 8D-X-200001, split is in the 1999 model year

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
292340
Mfg#:
165906381
Ships in 2 Business Days
15% off MSRP

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

$47.99

This product was last offered at the strikethrough price on
10-05-2026

$40.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
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
ES#4818508 - 07C133529A - Vacuum Check Valve - Located near off of the intake manifold connecting to the suction pump - Bremmen Parts - Audi

Located near off of the intake manifold connecting to the suction pump 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bremmen Parts - Corporate Logo
ES#:
4818508
Mfg#:
07C133529A
In Stock
ON SALE! SAVE 15%
$16.99

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

$14.44 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2497373 - 058911023BXK - Remanufactured Starter - Includes a $44.20 refundable core charge - Bosch - Audi Volkswagen

Includes a $44.20 refundable core charge We Price Match - Give Us A Call or Chat!
Up to VIN 8D-W-007799, split is in the 1998 model year

Brand:
Bosch - Corporate Logo
ES#:
2497373
Mfg#:
058911023BXK
Ships on Nov 30, 2026
$346.99

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

$244.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2765385 - 068103171F - Rear Crankshaft Seal - With Flange - Replaces all rear crank seals that do not separate from flange. - Elring - Audi Volkswagen

Replaces all rear crank seals that do not separate from flange. 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!
Engine codes AEB & ATW

Brand:
Elring - Corporate Logo
ES#:
2765385
Mfg#:
068103171F
In Stock
$51.99

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

$34.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#10916 - 078129797 - Air Box Clip - Priced Each - Keep the air filter opening secured and air tight - Genuine Volkswagen Audi - Audi Volkswagen

Keep the air filter opening secured and air tight Engine code AEB

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
10916
Mfg#:
078129797
In Stock
$8.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4872071 - 1K0955455 - Washer Fluid Reservoir Cap - Keep your washer fluid free from debris - URO - Audi Volkswagen

Keep your washer fluid free from debris 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
4872071
Mfg#:
1K0955455
In Stock
$13.38 USD
Free Shipping
on orders $49 and up
ES#4858468 - 058198025A - Valve Cover Gasket Set - Keep the oil where it should be, inside your engine! - 034Motorsport - Audi Volkswagen

Keep the oil where it should be, inside your engine! 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
4858468
Mfg#:
058198025A
Ships in 2 Business Days
$80.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#283795 - 078133534C - Fuel Pressure Regulator - Stop leaking fuel and losing performance - Genuine Volkswagen Audi - Audi Volkswagen

Stop leaking fuel and losing performance

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
283795
Mfg#:
078133534C
Ships in 1 day
12% off MSRP

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

$273.99

This product was last offered at the strikethrough price on
08-31-2026

$239.99 USD
Free Shipping
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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