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Audi B6 S4 V8 Engine Covers & Accessories

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Dowel pin - priced each

ES#337789 - 3B0805121 - Dowel pin - priced each - Used to secure the belly pan. 6x21.5mm - Genuine Volkswagen Audi - Audi Volkswagen

Used to secure the belly pan. 6x21.5mm affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
337789
Mfg#:
3B0805121
Ships on Sep 15, 2026
$9.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Brake Fluid Reservoir Cap

ES#3189917 - 82571 - Brake Fluid Reservoir Cap - Clean up your engine bay with a new cap - Dorman - Audi Volkswagen

Clean up your engine bay with a new cap affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Dorman - Corporate Logo
ES#:
3189917
Mfg#:
82571
Ships in 4 Business Days
$53.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Power Steering Reservoir Cap

ES#251742 - 8e0422376 - Power Steering Reservoir Cap - Replacement cap for your broken or lost piece - Genuine Volkswagen Audi - Audi

Replacement cap for your broken or lost piece affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
251742
Mfg#:
8E0422376
Ships in 1 day
10% off MSRP

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

$57.99

This product was last offered at the strikethrough price on
02-26-2026

$51.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2091199
Mfg#:
8E0121321
In Stock
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
02-26-2026

$48.99 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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Victor Reinz - Corporate Logo
ES#:
2497344
Mfg#:
079103483K
In Stock at Vendor
$40.13 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Plastic Dowel Pin - Priced Each

ES#6416 - 4A0805121A - Plastic Dowel Pin - Priced Each - Secures the belly pan to the fender liners - Genuine Volkswagen Audi - Audi

Secures the belly pan to the fender liners affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
6416
Mfg#:
4A0805121A
In Stock
Limited Qty Sale
$11.32

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

$4.99 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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Victor Reinz - Corporate Logo
ES#:
10532
Mfg#:
079103483L
In Stock at Vendor
$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

Expansion Tank Cap

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

Plastic pressure cap for expansion tank affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes! 2X Entries For Our 25th Anniversary Sweepstakes! 2X Entries For Our 25th Anniversary 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

Expansion Tank Cap Seal

ES#2598146 - 1H0121687A - Expansion Tank Cap Seal - Seals the expansion tank cap to the reservoir. 28.5x3.8 - Vaico - Audi Volkswagen

Seals the expansion tank cap to the reservoir. 28.5x3.8 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#:
2598146
Mfg#:
1H0121687A
In Stock at Vendor
$3.99 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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary 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

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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary 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

Speed Nut - Priced Each

ES#437857 - 8E0805960 - Speed Nut - Priced Each - Install new hardware with your new parts - Genuine Volkswagen Audi - Audi

Install new hardware with your new parts affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Secures the front valance to the belly pan

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
437857
Mfg#:
8E0805960
Ships in 1 day
$6.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

ECU Retainer

ES#440791 - 8E0907354 - ECU Retainer - Holds the engine control unit in place - Genuine Volkswagen Audi - Audi Volkswagen

Holds the engine control unit in place affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
440791
Mfg#:
8E0907354
Ships in 1 day
$9.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Cap

ES#2598116 - 8E0121321 - Expansion Tank Cap - Plastic pressure cap for expansion tank - Calorstat - Audi

Plastic pressure cap for expansion tank affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Calorstat - Corporate Logo
ES#:
2598116
Mfg#:
8E0121321
Back Ordered
$7.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Ball Screw - Priced Each

ES#2679729 - WHT001008 - Ball Screw - Priced Each - Used to secure intake manifold cover - Genuine Volkswagen Audi - Audi

Used to secure intake manifold cover affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2679729
Mfg#:
WHT001008
Ships in 2 Business 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.

$14.99

This product was last offered at the strikethrough price on
06-03-2026

$12.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Cap - Black

ES#3970169 - 5Q0121321 - Expansion Tank Cap - Black - Keep proper pressure in your coolant system - Meyle - Audi Volkswagen Porsche

Keep proper pressure in your coolant system affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes! 2X Entries For Our 25th Anniversary Sweepstakes! 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Meyle - Corporate Logo
ES#:
3970169
Mfg#:
5Q0121321
Ships on Oct 13, 2026
$12.99 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.

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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