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Audi S4 Engine Parts & Accessories

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Check Valve - Priced Each

ES#2598354 - 058905291K - Check Valve - Priced Each - Used in multiple locations in the vacuum system - Vaico - Audi Volkswagen

Used in multiple locations in the vacuum system affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
2598354
Mfg#:
058905291K
In Stock at Vendor
$11.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Engine Cover Spacer

ES#259229 - 078129734A - Engine Cover Spacer - Fitted on the left side of the grommet - Genuine Volkswagen Audi - Audi

Fitted on the left side of the grommet affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
259229
Mfg#:
078129734A
Ships in 4 Business Days
$11.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Fuel Injector Installation Kit

ES#2593910 - 077906037AKT4 - Fuel Injector Installation Kit - Takes the guess work out of installing fuel injectors - Assembled By ECS - Audi

Takes the guess work out of installing fuel injectors affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
2593910
Mfg#:
077906037AKT4
In Stock
ON SALE! SAVE 21%
$134.99

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

$107.30 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Engine Crankcase Cover Gasket Set

ES#4447410 - 08-29178-01 - Engine Crankcase Cover Gasket Set - Complete crankcase gasket set for your Audi! - Victor Reinz - Audi

Complete crankcase gasket set for your Audi! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Victor Reinz - Corporate Logo
ES#:
4447410
Mfg#:
08-29178-01
In Stock at Vendor
$109.99

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

$106.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Heat Shield - Left

ES#436464 - 8E0201308M - Heat Shield - Left - Shields heat from the exhaust muffler - Genuine Volkswagen Audi - Audi

Shields heat from the exhaust muffler affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
436464
Mfg#:
8E0201308M
Ships in 6 Business Days
9% off MSRP

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

$116.99

This product was last offered at the strikethrough price on
06-27-2026

$106.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Alternator Pulley

ES#275298 - 038903119K - Alternator Pulley - Does not include securing hardware - Genuine Volkswagen Audi - Audi Volkswagen

Does not include securing hardware affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For Bosch style alternators

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
275298
Mfg#:
038903119K
In Stock
ON SALE!
$107.99

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

$106.96 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oil Filter Adapter - Metal Version

Secures to the engine block for housing the oil filter affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
5388609
Mfg#:
06E115405KM
Ships on Aug 31, 2026
Auto Notify
ON SALE! SAVE 20%
$132.99

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

$106.07 USD
Free Shipping
on orders $49 and up

Auxiliary Fan Assembly

Larger diameter fan on the left side We Price Match - Give Us A Call or Chat! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Nissens - Corporate Logo
ES#:
3980451
Mfg#:
4Z7959455
In Stock at Vendor
$108.99

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

$105.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Fan Control Unit

ES#2708715 - 8D0959501C - Fan Control Unit - With heavy duty cooling, 2 connectors on each unit - URO - Audi Volkswagen

With heavy duty cooling, 2 connectors on each unit affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2708715
Mfg#:
8D0959501C
Back Ordered
$105.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Water Pump

ES#4141799 - 078121006AX - Water Pump - Replace your leaking water pump - Graf - Audi

Replace your leaking water pump affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Graf - Corporate Logo
ES#:
4141799
Mfg#:
078121006AX
In Stock at Vendor
$54.99

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

$52.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Exhaust Valve Spring - Priced Each

ES#282514 - 077109623C - Exhaust Valve Spring - Priced Each - Located inside the cylinder head and allows for valve movement - Genuine Volkswagen Audi - Audi

Located inside the cylinder head and allows for valve movement affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
282514
Mfg#:
077109623C
Ships in 1-2 days
10% off MSRP

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

$58.99

This product was last offered at the strikethrough price on
06-27-2026

$52.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Hex Nut - Priced Each

ES#252222 - N01100840 - Hex Nut - Priced Each - Install new hardware with your new parts. M8 - Genuine Volkswagen Audi - Audi Volkswagen

Install new hardware with your new parts. M8 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Used to secure the engine mount (lower position)

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
252222
Mfg#:
N01100840
In Stock
$1.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat (87°C)

ES#278945 - 069121113 - Thermostat (87C) - Prevent overheating and premature engine wear - Genuine Volkswagen Audi - Audi

Prevent overheating and premature engine wear affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
278945
Mfg#:
069121113
In Stock
Limited Qty Sale
$116.77

This product was last offered at the strikethrough price on
06-08-2026

$104.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Fuel Sticker

ES#435712 - 8E0010183T - Fuel Sticker - Located on the fuel filler neck - Genuine Volkswagen Audi - Audi

Located on the fuel filler neck affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
435712
Mfg#:
8E0010183T
Ships in 1-2 days
10% off MSRP

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

$38.99

This product was last offered at the strikethrough price on
06-27-2026

$34.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water Pump Gasket

ES#283545 - 078121043A - Water Pump Gasket - Ensure a proper seal when installing a new water pump - Genuine Volkswagen Audi - Audi Volkswagen

Ensure a proper seal when installing a new water pump affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
283545
Mfg#:
078121043A
Ships in 1-2 days
9% off MSRP

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

$22.99

This product was last offered at the strikethrough price on
06-27-2026

$20.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Dowel Pin - Priced Each

ES#2608066 - 8D0805121B - Dowel Pin - Priced Each - Secures the belly pan to the vehicle. 6x20 - Vaico - Audi Volkswagen

Secures the belly pan to the vehicle. 6x20 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
2608066
Mfg#:
8D0805121B
In Stock
$8.99

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

$6.99 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.

Let us help you find the parts that fit your Audi

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Manufacturer names and/or part numbers are used only for identification purposes.

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