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Audi S4 Engine Covers & Accessories

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Expansion Tank Cap

ES#2102281 - 8E0121321 - Expansion Tank Cap - Plastic pressure cap for expansion tank - MTC - Audi

Plastic pressure cap for expansion tank

Brand:
MTC - Corporate Logo
ES#:
2102281
Mfg#:
8E0121321
Back Ordered
$5.99 USD
Free Shipping
on orders $49 and up

Expansion Tank Cap

ES#2535171 - 443121321 - Expansion Tank Cap - Keep proper pressure on your coolant - URO - Audi Volkswagen

Keep proper pressure on your coolant 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2535171
Mfg#:
443121321
Ships in 1 Business Day
$2.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Cap

Keep proper pressure on your coolant We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
2815739
Mfg#:
443121321
Ships in 1 Business Day
$3.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Skid Plate & Fabrication Hardware Pack

ES#5482381 - 8d0805960aKT - Skid Plate & Fabrication Hardware Pack - Replacement hardware kit for your ECS skid plate - Assembled By ECS - Audi Volkswagen

Replacement hardware kit for your ECS skid plate 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
5482381
Mfg#:
8D0805960AKT
In Stock
$96.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Valve Cover Gasket Set - Priced Each

ES#5341266 - 078198025 - Valve Cover Gasket Set - Priced Each - Exact fit for left and right side valve covers - two required for servicing both banks. - Ajusa - Audi Volkswagen

Exact fit for left and right side valve covers - two required for servicing both banks.

Brand:
Ajusa - Corporate Logo
ES#:
5341266
Mfg#:
078198025
Ships in 3 Business Days
$25.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Cap

Ensure a proper seal and good looks with this new cap

Brand:
Blau - Corporate Logo
ES#:
3447612
Mfg#:
06C103485N
Ships in 1 Business Day
$15.99

This product was last offered at the strikethrough price on
07-15-2026

$14.99 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:
Corteco - Corporate Logo
ES#:
5516538
Mfg#:
06E103484N
Ships in 1 Business Day
$20.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Washer Fluid Reservoir Cap

Keep your washer fluid free from debris

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3087979
Mfg#:
8W0955455B
Ships in 1 day
11% off MSRP

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

$75.00

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

$66.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Engine Cover

Full replacement engine beauty cover - Includes push-on connectors, Audi rings, and emblems For vehicles with production date from 08/02/2021

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4421764
Mfg#:
06M103925AL
Ships in 1 day
11% off MSRP

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

$496.99

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

$443.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Cap

Plastic pressure cap for expansion tank

Brand:
Hudson - Corporate Logo
ES#:
3463373
Mfg#:
8E0121321
Ships in 1 day
$5.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Speed Nut - Priced Each

Fits silver colored screws with attached washer Used in securing the belly pan to the vehicle

Brand:
MTC - Corporate Logo
ES#:
5396279
Mfg#:
8D0805960
Ships in 9 Business Days
$1.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

ECU Cover - Lower

Keep your engine control unit protected

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2564766
Mfg#:
8K1907355F
Ships in 9 Business 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.

$124.99

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

$109.99 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 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bremmen Parts - Corporate Logo
ES#:
5506569
Mfg#:
06E103484N
Ships on Jan 11, 2027
ON SALE! SAVE 10%
$19.99

This product was last offered at the strikethrough price on
10-08-2026

$17.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Valve Cover - Left

ES#5492864 - 06E103471P - Valve Cover - Left - Replacement left bank valve cover to cure severe oil leaks, stop oil pooling in your spark plug tubes, and resolve integrated crankcase ventilation issues on your VAG V6. - Febi - Audi

Replacement left bank valve cover to cure severe oil leaks, stop oil pooling in your spark plug tubes, and resolve integrated crankcase ventilation issues on your VAG V6.

Brand:
Febi - Corporate Logo
ES#:
5492864
Mfg#:
06E103471P
Special Order: No Guaranteed ETA
$142.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Valve Cover Gasket - Right

ES#2866477 - 079103483K - Valve Cover Gasket - Right - Cylinders 1-4 - Febi - Audi

Cylinders 1-4 We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2866477
Mfg#:
079103483K
Special Order: No Guaranteed ETA
$34.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Right Valve Cover Assembly - (Passenger Side)

ES#5492779 - 06E103472N - Right Valve Cover Assembly - (Passenger Side) - Valve cover assembly to permanently cure burning oil smells, resolve engine misfires caused by oil-soaked spark plugs, and restore a perfectly flat sealing surface to your EA837 cylinder head. - Febi - Audi

Valve cover assembly to permanently cure burning oil smells, resolve engine misfires caused by oil-soaked spark plugs, and restore a perfectly flat sealing surface to your EA837 cylinder head.

Brand:
Febi - Corporate Logo
ES#:
5492779
Mfg#:
06E103472N
Special Order: No Guaranteed ETA
$146.99 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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