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Audi S4 Engine Covers & Accessories

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Expansion Tank Cap

ES#2091199 - 8E0121321 - Expansion Tank Cap - Plastic pressure cap for expansion tank - Genuine Volkswagen Audi - Audi

Plastic pressure cap for expansion tank

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2091199
Mfg#:
8E0121321
Ships in 1-2 days
13% off MSRP

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

$55.99

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

$48.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Side Underbody Liner - Right - Trim

ES#451417 - 8K0825212B - Side Underbody Liner - Right - Trim - The piece that holds your side underbody liner in place - Genuine Volkswagen Audi - Audi

The piece that holds your side underbody liner in place Fits up to the 2012 model year

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
451417
Mfg#:
8K0825212B
Ships in 1-2 days
12% off MSRP

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

$51.99

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

$45.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Cap

ES#2991993 - 078103485F - Oil Cap - Features built in pressure release valve to prevent gasket failure - URO - Audi Volkswagen

Features built in pressure release valve to prevent gasket failure 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2991993
Mfg#:
078103485F
Ships in 1 Business Day
$3.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rear Belly Pan Installation Hardware Kit

ES#2997 - 8D0805960121 - Rear Belly Pan Installation Hardware Kit - Includes four metal screws/washers & four speed nuts/clips - Assembled By ECS - Audi Volkswagen

Includes four metal screws/washers & four speed nuts/clips 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
2997
Mfg#:
8D0805960121
In Stock
ON SALE! SAVE 19%
$53.99

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

$43.52 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Valve Cover Gasket - Right

ES#2497344 - 079103483K - Valve Cover Gasket - Right - Cylinders 1-4 - Victor Reinz - Audi

Cylinders 1-4

Brand:
Victor Reinz - Corporate Logo
ES#:
2497344
Mfg#:
079103483K
Ships in 1 Business Day
$40.13 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Front Strut Tower Cover Kit - Left

ES#4783266 - 8w0806583cKT - Front Strut Tower Cover Kit - Left - Keep your engine bay clean and looking good! - Genuine Volkswagen Audi - Audi

Keep your engine bay clean and looking good!

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4783266
Mfg#:
8W0806583CKT
Ships in 1-2 days
$40.99

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

$39.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Valve Cover Gasket - Left

ES#10532 - 079103483L - Valve Cover Gasket - Left - Cylinders 5-8 - Victor Reinz - Audi

Cylinders 5-8

Brand:
Victor Reinz - Corporate Logo
ES#:
10532
Mfg#:
079103483L
Ships in 1 Business Day
$39.99

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

$38.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

ECU Housing Retainer

ES#442061 - 8E1907354A - ECU Housing Retainer - Secondary retainer for ECU cover - Genuine Volkswagen Audi - Audi

Secondary retainer for ECU cover

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
442061
Mfg#:
8E1907354A
Ships in 1-2 days
$12.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Billet Oil Cap Replacement Rubber Seal - B8/B9 2.9T/3.0T

ES#4905846 - 034-110-Z020 - Billet Oil Cap Replacement Rubber Seal - B8/B9 2.9T/3.0T - If the rubber seal becomes damaged or torn, a vacuum or oil leak may occur and should be replaced immediately. - 034Motorsport - Audi

If the rubber seal becomes damaged or torn, a vacuum or oil leak may occur and should be replaced immediately. 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
4905846
Mfg#:
034-110-Z020
In Stock
ON SALE! SAVE 10%
$4.00

This product was last offered at the strikethrough price on
08-17-2026

$3.60 USD
Free Shipping

Valve Cover Gasket - Left

ES#2539376 - 06E103483P - Valve Cover Gasket - Left - Stop oil leaks and prevent internal engine damage - Elwis - Audi

Stop oil leaks and prevent internal engine damage

Brand:
Elwis - Corporate Logo
ES#:
2539376
Mfg#:
06E103483P
Ships in 1-2 days
$14.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Valve Cover Gasket - Left

ES#5480639 - 06E103483Q - Valve Cover Gasket - Left - Stop oil leaks and prevent internal engine damage - Bremmen Parts - Audi

Stop oil leaks and prevent internal engine damage 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bremmen Parts - Corporate Logo
ES#:
5480639
Mfg#:
06E103483Q
In Stock
ON SALE!
$27.99

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

$25.89 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Plastic Dowel Pin - Pack Of 25

Secures the belly pan to the fender liners 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bremmen Parts - Corporate Logo
ES#:
4940358
Mfg#:
4A0805121A
Special Order: No Guaranteed ETA
Auto Notify
ON SALE! SAVE 11%
$28.99

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

$25.70 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Valve Cover Gasket - Right

Stop oil leaks and prevent internal engine damage

Brand:
Victor Reinz - Corporate Logo
ES#:
3971099
Mfg#:
06E103484N
Ships in 2 Business Days
$98.99

This product was last offered at the strikethrough price on
07-23-2026

$24.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Valve Cover Gasket - Right

ES#4931945 - 079103483K - Valve Cover Gasket - Right - Cylinders 1-4 - Bremmen Parts - Audi

Cylinders 1-4 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bremmen Parts - Corporate Logo
ES#:
4931945
Mfg#:
079103483K
In Stock
ON SALE! SAVE 25%
$31.99

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

$23.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Belly Pan Clip - Pack Of 25

ES#4940289 - 4A0805163 - Belly Pan Clip - Pack Of 25 - Used in securing the belly pan to the fender liners - Bremmen Parts - Audi Volkswagen

Used in securing the belly pan to the fender liners 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bremmen Parts - Corporate Logo
ES#:
4940289
Mfg#:
4A0805163
Special Order: No Guaranteed ETA
Auto Notify
ON SALE! SAVE 21%
$26.99

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

$21.21 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Cap

ES#2709072 - 8E0121321 - Expansion Tank Cap - Plastic pressure cap for expansion tank - URO - Audi

Plastic pressure cap for expansion tank 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2709072
Mfg#:
8E0121321
Ships in 1 Business Day
$6.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

More About Engine Covers & Accessories

Engine covers are more than styling statements. They keep moisture, road salt, and debris from damaging your engine, battery, and other underhood components. Engine covers also help protect hoses and wiring harnesses from rodents.

Let us help you find the parts that fit your Audi

ECS Tuning is not affiliated with any automobile manufacturers.
Manufacturer names and/or part numbers are used only for identification purposes.

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