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Audi RS6 4.2T

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Audi RS6 4.2T 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

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
337789
Mfg#:
3B0805121
Ships on Nov 13, 2026
$9.99 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

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

Lock Washer - Priced Each

ES#257232 - 4A0805137A - Lock Washer - Priced Each - Install new hardware with your new parts - Genuine Volkswagen Audi - Audi

Install new hardware with your new parts Used in securing the belly pan to the fender liners

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
257232
Mfg#:
4A0805137A
In Stock
$1.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Cap

ES#12145 - 06B103485C - Oil Cap - Clean up your engine bay with a new oil cap. - Rein - Audi Volkswagen

Clean up your engine bay with a new oil cap. 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
12145
Mfg#:
06B103485C
In Stock at Vendor
$6.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Retaining Clamp - Priced Each

ES#12133 - 078103314 - Retaining Clamp - Priced Each - Used with the locking pins to secure the engine cover - Genuine Volkswagen Audi - Audi

Used with the locking pins to secure the engine cover

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
12133
Mfg#:
078103314
Ships in 1 day
$6.99 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

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

Plastic Dowel Pin - Pack Of 25

Secures the belly pan to the fender liners 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 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

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 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 Dec 14, 2026
$12.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Dowel Pin - Priced Each

ES#1597681 - 8D0805121 - Dowel Pin - Priced Each - Secures the belly pan to the vehicle. 6x18 - Genuine Volkswagen Audi - Audi Volkswagen

Secures the belly pan to the vehicle. 6x18

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
1597681
Mfg#:
8D0805121
Ships in 1 day
8% off MSRP

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

$12.99

This product was last offered at the strikethrough price on
08-04-2026

$11.99 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 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

Expansion Tank Cap

ES#2802007 - 1J0121321B - Expansion Tank Cap - Keep proper pressure on your coolant - Rein - Audi Volkswagen Porsche

Keep proper pressure on your coolant 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
2802007
Mfg#:
1J0121321B
Ships on Aug 20, 2026
$10.99 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

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

ES#2814304 - 1J0121321B - Expansion Tank - Keep proper pressure in your coolant system - Hamburg Tech - Audi Volkswagen

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

Brand:
Hamburg Tech - Corporate Logo
ES#:
2814304
Mfg#:
1J0121321B
Ships in 1 Business Day
$4.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Cap

ES#2561872 - 1J0121321B - Expansion Tank Cap - Keep proper pressure on your coolant - Meyle - Audi

Keep proper pressure on your coolant 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Meyle - Corporate Logo
ES#:
2561872
Mfg#:
1J0121321B
Ships on Dec 14, 2026
$7.54 USD
Free Shipping
on orders $49 and up

Screw - Priced Each

ES#471005 - N90859903 - Screw - Priced Each - Install new hardware with your new parts. 5.5x25 - Genuine Volkswagen Audi - Audi Volkswagen

Install new hardware with your new parts. 5.5x25

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
471005
Mfg#:
N90859903
In Stock
ON SALE!
$1.99

This product was last offered at the strikethrough price on
05-14-2026

$1.89 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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