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Audi S4 Engine Parts & Accessories

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ES#2804151 - 009635ECS03KT - R8 Caps & Black Washer Fluid Reservoir Cap Set - Dress up your engine bay with a black washer reservoir cap and Audi R8 oil and expansion tank caps - Assembled By ECS - Audi Volkswagen

Dress up your engine bay with a black washer reservoir cap and Audi R8 oil and expansion tank caps 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
2804151
Mfg#:
009635ECS03KT
Ships in 1 day
$423.99

This product was last offered at the strikethrough price on
10-26-2026

$417.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4685421 - 034-110-Z016 - 034Motorsport Billet Oil Cap - Machined from 6061-T6 aluminum and anodized bright black for lifelong great looks! - 034Motorsport - Audi

Machined from 6061-T6 aluminum and anodized bright black for lifelong great looks! 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
4685421
Mfg#:
034-110-Z016
Ships in 2 Business Days
$139.00 USD
Free Shipping
ES#1590 - 058145757B - Turbo Oil Line Gasket - Priced Each - Seals the oil return line to the turbocharger - Elring - Audi Volkswagen

Seals the oil return line to the turbocharger 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Elring - Corporate Logo
ES#:
1590
Mfg#:
058145757B
In Stock
$2.35 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#10588 - 058145757c - Turbo Oil Line Gasket - Priced Each - Seals the oil return line to the turbocharger - Genuine Volkswagen Audi - Audi Volkswagen

Seals the oil return line to the turbocharger

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
10588
Mfg#:
058145757C
In Stock
11% off MSRP

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

$14.95

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

$13.32 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3678213 - wht001506akt2KT - Radiator Installation Kit  - Install new hardware with your new radiator - Assembled By ECS - Audi

Install new hardware with your new radiator 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
3678213
Mfg#:
WHT001506AKT2KT
Ships in 1 day
$146.99

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

$136.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4475743 - 97646A327-6KT - Stainless Steel 3.0T/2.9T Ignition Coil Hardware Kit - Upgraded stainless steel tie down bolts and washers. - ECS - Audi

Upgraded stainless steel tie down bolts and washers. 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
4475743
Mfg#:
97646A327-6KT
In Stock
ON SALE! SAVE 20%
$26.99

This product was last offered at the strikethrough price on
06-13-2026

$21.59 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#516390 - 4H0951253 - Multipurpose Relay - Priced Each - Replacement 4 pin relay - Genuine Volkswagen Audi - Audi Volkswagen

Replacement 4 pin relay Used for fan control

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
516390
Mfg#:
4H0951253
Ships in 1 day
13% off MSRP

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

$46.99

This product was last offered at the strikethrough price on
10-26-2026

$40.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4057473 - 038103196B - Oil Level Sensor O-Ring - Seals the oil level sensor on the oil pan - Elring - Audi Volkswagen

Seals the oil level sensor on the oil pan 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Elring - Corporate Logo
ES#:
4057473
Mfg#:
038103196B
In Stock
$4.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2637 - 078198012E - Cylinder Head Gasket Set - Priced Each - Includes most major cylinder head gaskets and seals - Victor Reinz - Audi

Includes most major cylinder head gaskets and seals

Brand:
Victor Reinz - Corporate Logo
ES#:
2637
Mfg#:
078198012E
Ships in 1 Business Day
$441.28

This product was last offered at the strikethrough price on
10-11-2026

$408.91 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2840731 - 079198405KT3 - Oil Service Kit - Premium With ECS Magnetic Drain Plug - Includes Motul 5w-40 synthetic oil, filter, and ECS' magnetic drain plug - Assembled By ECS - Audi Volkswagen

Includes Motul 5w-40 synthetic oil, filter, and ECS' magnetic drain plug 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
2840731
Mfg#:
079198405KT3
Ships on Nov 24, 2026
ON SALE!
$210.99

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

$204.20 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement
ES#2739735 - WHT005184 - High Pressure Fuel Pump O-Ring - Seals the high pressure fuel pump to the cylinder head - Elring - Audi Volkswagen

Seals the high pressure fuel pump to the cylinder head 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Elring - Corporate Logo
ES#:
2739735
Mfg#:
WHT005184
In Stock
$10.53

This product was last offered at the strikethrough price on
07-30-2026

$7.04 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3141548 - 5W305LITERF - TITAN GT1 Flex 23 Engine Oil (5w-30) - 5 Liter - Premium Performance, extreme fuel-economy engine oil with optimum cold start ability and outstanding performance reserves - Fuchs - Audi Volkswagen

Premium Performance, extreme fuel-economy engine oil with optimum cold start ability and outstanding performance reserves

Brand:
Fuchs - Corporate Logo
ES#:
3141548
Mfg#:
5W305LITERF
Ships in 1 day
$67.99 USD
Free Shipping
on orders $49 and up
ES#4303 - 1J0973775A - Mass Air Flow Connector Housing - Female Connector - Contact housing for the MAF sensor - Genuine Volkswagen Audi - Audi Volkswagen

Contact housing for the MAF sensor Fits up to the 2000 model year for vehicles with Bosch style MAF

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4303
Mfg#:
1J0973775A
In Stock
25% 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
08-12-2026

$11.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#8038 - 058998106 - Ignition Service Kit - Includes six Beru coil packs and NGK spark plugs to service your ignition - Assembled By ECS - Audi

Includes six Beru coil packs and NGK spark plugs to service your ignition 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
8038
Mfg#:
058998106
Ships in 1 Business Day
$476.99

This product was last offered at the strikethrough price on
09-15-2026

$406.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4818424 - 058905291K - Check Valve - Priced Each - Used in multiple locations in the vacuum system - Bremmen Parts - Audi Volkswagen

Used in multiple locations in the vacuum system 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bremmen Parts - Corporate Logo
ES#:
4818424
Mfg#:
058905291K
In Stock
$4.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4940355 - 058905161B - Hall Sender - Priced Each - Measures cam position and relays it to the ECU - Bremmen Parts - Audi Volkswagen

Measures cam position and relays it to the ECU 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bremmen Parts - Corporate Logo
ES#:
4940355
Mfg#:
058905161B
In Stock
ON SALE! SAVE 15%
$18.99

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

$16.14 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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