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Audi B6 A4 Quattro V6 30v

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Audi B6 A4 Quattro V6 30v Engine Covers & Accessories

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Valve Cover Bolt - Set Of 14

ES#4765688 - 06B103831J-14 - Valve Cover Bolt - Set Of 14 - Full set used to secure the valve cover to the cylinder head - Bremmen Parts - Audi Volkswagen

Full set used to secure the valve cover to the cylinder head affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4765688
Mfg#:
06B103831J-14
In Stock
ON SALE! SAVE 15%
$88.99

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

$75.64 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

VWR Billet Washer Fluid Reservoir Cap - Black

ES#3188200 - VWR19G704 - VWR Billet Washer Fluid Reservoir Cap - Black - Billet aluminum washer fluid cap to replace your blue plastic one - Racingline - Audi Volkswagen

Billet aluminum washer fluid cap to replace your blue plastic one affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Racingline - Corporate Logo
ES#:
3188200
Mfg#:
VWR19G704
In Stock
$103.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Audi R8 Style Oil Cap

ES#4685902 - 420103485B - Audi R8 Style Oil Cap - Add new styling in minutes with this Audi R8 style oil cap - Bremmen Parts - Audi Volkswagen

Add new styling in minutes with this Audi R8 style oil cap affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4685902
Mfg#:
420103485B
In Stock
ON SALE! SAVE 14%
$34.99

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

$29.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Washer Fluid Reservoir Cap - Black

ES#2804144 - 1K0955455 - Washer Fluid Reservoir Cap - Black - Set your engine bay apart from the rest with a black washer reservoir cap to replace the old blue one - Bremmen Parts - Audi Volkswagen

Set your engine bay apart from the rest with a black washer reservoir cap to replace the old blue one affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
2804144
Mfg#:
1K0955455
In Stock
ON SALE! SAVE 44%
$29.99

This product was last offered at the strikethrough price on
01-03-2026

$16.79 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Porsche 911 Expansion Tank Cap

ES#3496004 - 99110645702 - Porsche 911 Expansion Tank Cap - Black and satin aluminum colored coolant cap from the Porsche 991. - Genuine Porsche - Audi Volkswagen Porsche

Black and satin aluminum colored coolant cap from the Porsche 991. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Porsche - Corporate Logo
ES#:
3496004
Mfg#:
99110645702
In Stock
$53.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Billet Washer Fluid Reservoir Cap - Black Anodized

ES#3247518 - 022733ECS01-01 - Billet Washer Fluid Reservoir Cap - Black Anodized - Lose the plastic! - ECS - Audi Volkswagen Porsche

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

Brand:
ECS - Corporate Logo
ES#:
3247518
Mfg#:
022733ECS01-01
In Stock
ON SALE! SAVE 20%
$90.99

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

$72.79 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Valve Cover Bolt - Priced Each

ES#279975 - 06B103831J - Valve Cover Bolt - Priced Each - Used to secure the valve cover to the cylinder head - Genuine Volkswagen Audi - Audi Volkswagen

Used to secure the valve cover to the cylinder head affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
279975
Mfg#:
06B103831J
In Stock
54% off MSRP

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

$19.48

This product was last offered at the strikethrough price on
02-24-2026

$8.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

IE Aluminum Washer Fluid Cap

ES#4871881 - IEGAUU1 - IE Aluminum Washer Fluid Cap - Sleek black anodized finish complete with a subtle iE logo - Integrated Engineering - Audi Volkswagen Porsche

Sleek black anodized finish complete with a subtle iE logo affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Integrated Engineering - Corporate Logo
ES#:
4871881
Mfg#:
IEGAUU1
Ships in 5 Business Days
$91.99 USD
Free Shipping
on orders $49 and up

CTS Coolant Tank Cap

ES#4620720 - CTS-ACC-009 - CTS Coolant Tank Cap - Lose the plastic! - CTS - Audi Volkswagen

Lose the plastic! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
CTS - Corporate Logo
ES#:
4620720
Mfg#:
CTS-ACC-009
In Stock
$69.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Billet Engine Oil Cap - Black Anodized

ES#4030546 - 022735ecs0101akt - Billet Engine Oil Cap - Black Anodized - Lose the plastic! - ECS - Audi Volkswagen

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

Brand:
ECS - Corporate Logo
ES#:
4030546
Mfg#:
022735ECS0101AKT
In Stock
ON SALE! SAVE 42%
$101.99

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

$58.79 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Porsche Caps & Black Washer Fluid Reservoir Cap Set

ES#2804152 - 009635ECS04KT - Porsche Caps & Black Washer Fluid Reservoir Cap Set - Dress up your engine bay with a black washer reservoir cap and Porsche 911 oil and expansion tank caps - Assembled By ECS - Audi Volkswagen

Dress up your engine bay with a black washer reservoir cap and Porsche 911 oil and expansion tank caps affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
2804152
Mfg#:
009635ECS04KT
In Stock
$164.99

This product was last offered at the strikethrough price on
01-03-2026

$155.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Dowel Pin - Priced Each

ES#2872459 - 8D0805121 - Dowel Pin - Priced Each - Secures the belly pan to the vehicle. 6x18 - Febi - Audi Volkswagen

Secures the belly pan to the vehicle. 6x18 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:
Febi - Corporate Logo
ES#:
2872459
Mfg#:
8D0805121
In Stock
$4.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Battery Cover

ES#2083413 - 8E1819422A01C - Battery Cover - Fitted into the rain tray to provide complete protection - Genuine Volkswagen Audi - Audi

Fitted into the rain tray to provide complete protection affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2083413
Mfg#:
8E1819422A01C
In Stock
21% off MSRP

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

$73.34

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

$58.14 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Washer Fluid Reservoir Cap - Funnel Style

ES#4030831 - 6V0955485 - Washer Fluid Reservoir Cap - Funnel Style - Top your windshield washer fluid off without spilling! - Genuine Skoda - Audi Volkswagen

Top your windshield washer fluid off without spilling! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Skoda - Corporate Logo
ES#:
4030831
Mfg#:
6V0955485
In Stock
$11.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Valve Cover Bolt - Priced Each

ES#4668467 - 06B103831J - Valve Cover Bolt - Priced Each - Used to secure the valve cover to the cylinder head - Bremmen Parts - Audi Volkswagen

Used to secure the valve cover to the cylinder head affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4668467
Mfg#:
06B103831J
In Stock
ON SALE! SAVE 10%
$8.66

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

$7.79 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Belly Pan & Installation Hardware Kit

ES#2622505 - 8E0863821ALKT - Belly Pan & Installation Hardware Kit - Includes a replacement belly pan with all necessary mounting hardware - Assembled By ECS - Audi

Includes a replacement belly pan with all necessary mounting hardware affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
2622505
Mfg#:
8E0863821ALKT
Ships in 9 Business Days
Auto Notify
ON SALE! SAVE 24%
$359.99

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

$274.27 USD
Free Shipping
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.

Terms of Use Privacy Policy ECS Tuning is part of Enthusiast Auto Holdings