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Audi B5 A4 Quattro 1.8T Engine Parts & Accessories

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ES#3177573 - 058905161BKT - Hall Sender Service Kit - 058905161B - Measures cam position and relays it to the ECU - Includes hardware for a complete install! - Assembled By ECS - Audi

Measures cam position and relays it to the ECU - Includes hardware for a complete install! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
3177573
Mfg#:
058905161BKT
Ships in 9 Business Days
ON SALE!
$59.99

This product was last offered at the strikethrough price on
10-28-2026

$56.37 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2812979 - 058903133D - Accessory Belt Tensioner - Keep your drive belt tight - Hamburg Tech - Audi Volkswagen

Keep your drive belt tight We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
2812979
Mfg#:
058903133D
Ships in 1 Business Day
$55.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3407 - 8D0905351 - Ignition Control Module - Cure misfires and clear the check engine light - Beru - Audi

Cure misfires and clear the check engine light Engine code AEB - For vehicles with Hitachi style ICM

Brand:
Beru - Corporate Logo
ES#:
3407
Mfg#:
8D0905351
Ships in 1 day
$55.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2187571 - 078109244H - Relay Roller - The idler pulley for the toothed timing belt - URO - Audi Volkswagen

The idler pulley for the toothed timing belt 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2187571
Mfg#:
078109244H
In Stock
Limited Qty Sale
$18.04

This product was last offered at the strikethrough price on
08-26-2026

$13.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#6482 - 06A919081J - Oil Pressure Switch - Black - Senses engine oil pressure for the ECU and warning light. 1.2-1.6 BAR - Meistersatz - Audi Volkswagen

Senses engine oil pressure for the ECU and warning light. 1.2-1.6 BAR From the 2000 model year

Brand:
Meistersatz - Corporate Logo
ES#:
6482
Mfg#:
06A919081J
Ships in 1 Business Day
$6.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3353262 - N90365302 - Sealing O-Ring - Priced Each - Genuine Porsche - Audi Volkswagen

Seals the coolant return pipe for AWM engine code only

Brand:
Genuine Porsche - Corporate Logo
ES#:
3353262
Mfg#:
N90365302
Ships in 4 Business Days
$3.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3098864 - 8D0959455 - Auxiliary Fan Assembly - 280mm - 300W with round 2 pin connector - URO - Audi Volkswagen

300W with round 2 pin connector 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!
Valeo style assembly, please check existing manufacturer for proper fitment

Brand:
URO - Corporate Logo
ES#:
3098864
Mfg#:
8D0959455
Ships in 1 Business Day
$64.99

This product was last offered at the strikethrough price on
10-13-2026

$54.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2898720 - 443919578C - A/C Clutch Control Relay - Engages the magnetic clutch on the compressor - Vemo - Audi Volkswagen

Engages the magnetic clutch on the compressor

Brand:
Vemo - Corporate Logo
ES#:
2898720
Mfg#:
443919578C
Ships in 1 Business Day
$54.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2873160 - 028117021L - Engine Oil Cooler - Common source of leaks, mounted between your oil filter and engine block - Febi - Audi Volkswagen

Common source of leaks, mounted between your oil filter and engine block We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2873160
Mfg#:
028117021L
Ships in 1 day
$71.99

This product was last offered at the strikethrough price on
05-29-2026

$54.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3522339 - 028903803D - Voltage Regulator - Located on the rear of the alternator - Beru - Audi Volkswagen

Located on the rear of the alternator Up to VIN 8D-X-199999, split is in the 1999 model year

Brand:
Beru - Corporate Logo
ES#:
3522339
Mfg#:
028903803D
Back Ordered
$54.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#279783 - 06A906445 - Engine Speed Sensor O-Ring - Seals the connection between the speed sensor and the engine - Genuine Volkswagen Audi - Audi Volkswagen

Seals the connection between the speed sensor and the engine

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
279783
Mfg#:
06A906445
In Stock
8% off MSRP

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

$11.99

This product was last offered at the strikethrough price on
11-05-2026

$10.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2561721 - 165906381 - Multipurpose Relay - Priced Each - Electronic control module relay - Vemo - Audi Volkswagen

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

Brand:
Vemo - Corporate Logo
ES#:
2561721
Mfg#:
165906381
In Stock
$18.99

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

$10.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2731898 - 4B0121055J - Radiator Hose - Lower - Connects the lower radiator port to the water pump and expansion tank - Rein - Audi Volkswagen

Connects the lower radiator port to the water pump and expansion tank 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
2731898
Mfg#:
4B0121055J
Back Ordered
$103.99

This product was last offered at the strikethrough price on
10-22-2026

$54.89 USD
Free Shipping
on orders $49 and up
ES#3141664 - N0102228kt - Water Pump Hardware Kit - Complete hardware kit for replacing the water pump - Assembled By ECS - Audi

Complete hardware kit for replacing the water pump 10X Entries Into Our F80 M3 Sweepstakes
AEB & ATW engine code

Brand:
Assembled By ECS - Corporate Logo
ES#:
3141664
Mfg#:
N0102228KT
Ships in 2 Business Days
ON SALE! SAVE 24%
$70.99

This product was last offered at the strikethrough price on
05-29-2026

$54.22 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4743207 - 034-105-Z021 - High Flow Exhaust Manifold Hardware Kit (1.8T) - Direct replacement installation hardware kit for securing your 034Motorsport High Flow Exhaust Manifold, ensuring a leak-free seal and preventing bolts from backing out under extreme turbo heat. - 034Motorsport - Audi Volkswagen

Direct replacement installation hardware kit for securing your 034Motorsport High Flow Exhaust Manifold, ensuring a leak-free seal and preventing bolts from backing out under extreme turbo heat. 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
4743207
Mfg#:
034-105-Z021
Ships in 2 Business Days
$27.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3189917 - 82571 - Brake Fluid Reservoir Cap - Clean up your engine bay with a new cap - Dorman - Audi Volkswagen

Clean up your engine bay with a new cap

Brand:
Dorman - Corporate Logo
ES#:
3189917
Mfg#:
82571
Ships in 4 Business Days
$53.99 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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