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Audi B5 S4 2.7T

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Audi B5 S4 2.7T Engine Parts & Accessories

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Relay Roller

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
ON SALE! SAVE 18%
$18.04

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

$14.87 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat O-Ring

ES#11800 - N90136802 - Thermostat O-Ring - Ensure a proper seal when installing your new thermostat - Febi - Audi BMW Volkswagen

Ensure a proper seal when installing your new thermostat We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
11800
Mfg#:
N90136802
In Stock
$1.59 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Connecting Rod Bolt - Priced Each

ES#283416 - 078105425F - Connecting Rod Bolt - Priced Each - M8.5x1x50 - Secures the connecting rod end caps - Genuine Volkswagen Audi - Audi Volkswagen

M8.5x1x50 - Secures the connecting rod end caps

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
283416
Mfg#:
078105425F
Ships on Dec 17, 2026
ON SALE! SAVE 62%
$14.61

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

$5.56 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Filter - Priced Each

ES#251936 - 078115561j - Oil Filter - Priced Each - Keep your oil free of dirt and contaminants - Mahle - Audi Volkswagen

Keep your oil free of dirt and contaminants

Brand:
Mahle - Corporate Logo
ES#:
251936
Mfg#:
078115561J
Ships in 1 Business Day
$14.27

This product was last offered at the strikethrough price on
07-02-2026

$10.23 USD
Free Shipping
on orders $49 and up

Oil Cooler Hose - Supply

ES#4608741 - 078121058AM - Oil Cooler Hose - Supply - Connects the oil cooler to the water pipe - Elaplast - Audi

Connects the oil cooler to the water pipe From VIN 8D-Y-033556, split is in the 2000 model year

Brand:
Elaplast - Corporate Logo
ES#:
4608741
Mfg#:
078121058AM
In Stock
$8.06

This product was last offered at the strikethrough price on
07-09-2026

$7.38 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Crankshaft Seal -

ES#3623881 - 038103085 - Crankshaft Seal - - URO - Audi Volkswagen

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

Brand:
URO - Corporate Logo
ES#:
3623881
Mfg#:
038103085
Back Ordered
$6.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Flush Kit

ES#3063385 - G013A8JM1KT - Coolant Flush Kit - Includes Schwaben coolant refill/air purge tool and 3 liters of G13 coolant. - Assembled By ECS - Audi Volkswagen

Includes Schwaben coolant refill/air purge tool and 3 liters of G13 coolant. 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
3063385
Mfg#:
G013A8JM1KT
Ships on Sep 30, 2026
Auto Notify
ON SALE!
$144.99

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

$131.72 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Water Pump

ES#3478146 - 078121006A - Water Pump - Featuring a metal impeller - GMB - Audi

Featuring a metal impeller

Brand:
GMB - Corporate Logo
ES#:
3478146
Mfg#:
078121006A
Back Ordered
$134.99

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

$130.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Check Valve - Priced Each

ES#4810701 - 058905291K - Check Valve - Priced Each - Rear position two required per vehicle - Rein - Audi Volkswagen

Rear position two required per vehicle 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
4810701
Mfg#:
058905291K
In Stock
ON SALE! SAVE 19%
$5.99

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

$4.84 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Manual Boost Controller - Polished

ES#1832076 - FMICB051c - Manual Boost Controller - Polished - In-car boost controller for fine tuning - Forge - Audi Volkswagen

In-car boost controller for fine tuning

Brand:
Forge - Corporate Logo
ES#:
1832076
Mfg#:
FMICB051C
Ships on Sep 25, 2026
ON SALE! SAVE 11%
$72.99

This product was last offered at the strikethrough price on
08-29-2026

$65.13 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Knock Sensor - Brown Connector - Priced Each

ES#3410515 - 078905377 - Knock Sensor - Brown Connector - Priced Each - Detects engine ping for timing adjustment - FAE - Audi

Detects engine ping for timing adjustment From VIN 8D-X-260001, split is in the 1999 model year

Brand:
FAE - Corporate Logo
ES#:
3410515
Mfg#:
078905377
Ships in 1-2 days
ON SALE! SAVE 12%
$48.99

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

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

Transmission Mount - Priced Each

ES#3970083 - 4B0399151M - Transmission Mount - Priced Each - Reduce excessive drivetrain vibrations - Meyle - Audi Volkswagen

Reduce excessive drivetrain vibrations 5X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!
Fits left side only

Brand:
Meyle - Corporate Logo
ES#:
3970083
Mfg#:
4B0399151M
Ships on Sep 23, 2026
$63.99 USD
Free Shipping
on orders $49 and up

Fuel Filter Banjo Bolt

ES#3153106 - N90626402 - Fuel Filter Banjo Bolt - M8 banjo bolt that secures the fuel supply line at the fuel filter to the engine - Genuine Volkswagen Audi - Audi

M8 banjo bolt that secures the fuel supply line at the fuel filter to the engine

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3153106
Mfg#:
N90626402
In Stock
ON SALE! SAVE 10%
$19.99

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

$18.00 USD
Free Shipping
on orders $49 and up

Exhaust Manifold Gasket - Priced Each

ES#2714 - 078253039G - Exhaust Manifold Gasket - Priced Each - Fits the left and right side - Elring - Audi

Fits the left and right side 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Elring - Corporate Logo
ES#:
2714
Mfg#:
078253039G
Ships in 4 Business Days
ON SALE! SAVE 52%
$9.99

This product was last offered at the strikethrough price on
09-04-2026

$4.80 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Auxiliary Fan Control Unit

ES#2709521 - 8D0959501D - Auxiliary Fan Control Unit - Controls the actuation of the radiator fan - URO - Audi

Controls the actuation of the radiator fan 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2709521
Mfg#:
8D0959501D
Back Ordered
$124.26 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Thermostat - 92�C

ES#283601 - 078121113G - Thermostat - 92C - Includes sealing O-Ring - Genuine Volkswagen Audi - Audi Volkswagen

Includes sealing O-Ring

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
283601
Mfg#:
078121113G
Ships in 1-2 days
6% off MSRP

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

$65.99

This product was last offered at the strikethrough price on
09-06-2026

$61.99 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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