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Audi A4 Engine Covers & Accessories

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Expansion Tank & Washer Fluid Reservoir Cap Set - Black

ES#2804150 - 009635ECS02KT - Expansion Tank & Washer Fluid Reservoir Cap Set - Black - Dress up your engine bay with black expansion tank and washer reservoir caps to replace the old blue ones - Assembled By ECS - Audi Volkswagen

Dress up your engine bay with black expansion tank and washer reservoir caps to replace the old blue ones 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#:
2804150
Mfg#:
009635ECS02KT
In Stock
ON SALE! SAVE 37%
$48.98

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

$30.73 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Coolant Expansion Tank Cap

ES#4858532 - 2Q0121321A - Coolant Expansion Tank Cap - Keep proper pressure in your coolant system - Bremmen Parts - Audi Volkswagen Porsche

Keep proper pressure in your coolant system affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4858532
Mfg#:
2Q0121321A
In Stock
ON SALE! SAVE 22%
$19.99

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

$15.50 USD
Free Shipping
on orders $49 and up

Valve Cover - Right

ES#280593 - 06E103472N - Valve Cover - Right - For cylinder 1-3 and includes the gasket and bolts - Genuine Volkswagen Audi - Audi

For cylinder 1-3 and includes the gasket and bolts affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
280593
Mfg#:
06E103472N
Ships in 2 Business Days
$441.99

This product was last offered at the strikethrough price on
05-31-2026

$419.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Side Underbody Liner - Right

ES#451415 - 8K0825208F - Side Underbody Liner - Right - Often damaged by improper jack placement - Genuine Volkswagen Audi - Audi

Often damaged by improper jack placement affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Fits up to the 2012 model year

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
451415
Mfg#:
8K0825208F
Ships in 4 Business Days
8% off MSRP

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

$450.00

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

$411.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Billet Oil Cap - Clear

ES#4165016 - VTT-VAG-OILCAPC - Billet Oil Cap - Clear - Billet aluminum oil cap to spice up your engine bay. - Vargas Turbo Technologies - Audi Volkswagen Porsche

Billet aluminum oil cap to spice up your engine bay. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles up through the 2020 model year only

Brand:
Vargas Turbo Technologies - Corporate Logo
ES#:
4165016
Mfg#:
VTT-VAG-OILCAPC
Back Ordered
Auto Notify
$62.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Front Belly Pan

ES#2499506 - 8E0863821AL - Front Belly Pan - Keep your engine protected - Bremmen Parts - Audi

Keep your engine protected affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
2499506
Mfg#:
8E0863821AL
Ships in 6 Business Days
Auto Notify
ON SALE! SAVE 20%
$197.99

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

$158.30 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

VTT VAG Billet One Way Crankcase Breather - Tall

ES#4370482 - VTT-VAG-CC-BTR-L - VTT VAG Billet One Way Crankcase Breather - Tall - First of it's kind for VW/Audi/Porsche vehicles! - Vargas Turbo Technologies - Audi Volkswagen Porsche

First of it's kind for VW/Audi/Porsche vehicles! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles up through the 2020 model year only

Brand:
Vargas Turbo Technologies - Corporate Logo
ES#:
4370482
Mfg#:
VTT-VAG-CC-BTR-L
Ships in 10 Business Days
$156.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Billet Washer Fluid Reservoir Cap - Clear Anodized

ES#4039270 - 022732ECS01-02 - Billet Washer Fluid Reservoir Cap - Clear Anodized - Lose the plastic! - ECS - Audi

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#:
4039270
Mfg#:
022732ECS01-02
In Stock
ON SALE! SAVE 26%
$71.99

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

$53.50 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Front Underbody Lining - left

ES#2225115 - 8K0825201E - Front Underbody Lining - left - Helps protect the underbody and components from road debris - Genuine Volkswagen Audi - Audi

Helps protect the underbody and components from road debris affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2225115
Mfg#:
8K0825201E
Ships in 2 Business Days
8% off MSRP

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

$65.99

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

$60.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Washer Fluid Reservoir Cap

ES#261694 - 1K0955455 - Washer Fluid Reservoir Cap - Keep your washer fluid free from debris - Genuine Volkswagen Audi - Audi Volkswagen

Keep your washer fluid free from debris affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
261694
Mfg#:
1K0955455
Ships in 1-2 days
$21.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Cap - Black

ES#3690266 - 5Q0121321 - Expansion Tank Cap - Black - Keep proper pressure in your coolant system - Vaico - Audi Volkswagen Porsche

Keep proper pressure in your coolant system 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#:
3690266
Mfg#:
5Q0121321
Back Ordered
$18.99

This product was last offered at the strikethrough price on
04-02-2026

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

Valve Cover Replacement Kit

ES#3447925 - 06d103469nKT - Valve Cover Replacement Kit - Includes valve cover, gaskets, hardware, silicone sealant, and VW/Audi liquid locking fluid - Genuine Volkswagen Audi - Audi

Includes valve cover, gaskets, hardware, silicone sealant, and VW/Audi liquid locking fluid affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3447925
Mfg#:
06D103469NKT
Ships in 2 Business Days
$711.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Speed Nut - Priced Each

ES#1597683 - 8D0805960 - Speed Nut - Priced Each - Fits silver colored screws with attached washers - Genuine Volkswagen Audi - Audi Volkswagen

Fits silver colored screws with attached washers affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Used in securing the belly pan to the vehicle

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
1597683
Mfg#:
8D0805960
In Stock
3% off MSRP

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

$9.62

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

$9.33 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Front Belly Pan & Installation Kit

ES#3658433 - 8k1863821bKT - Front Belly Pan & Installation Kit - Reduces noise and protects your undercarriage - includes installation hardware - Genuine Volkswagen Audi - Audi

Reduces noise and protects your undercarriage - includes installation hardware affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Manual transmission vehicles - Fits from the 2013 facelift models

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3658433
Mfg#:
8K1863821BKT
Ships in 1-2 days
$704.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Front Belly Pan Installation Hardware Kit

ES#3184623 - 8D0805960121kt - Front Belly Pan Installation Hardware Kit - Includes required hardware to secure your front Belly Pan - Assembled By ECS - Audi Volkswagen

Includes required hardware to secure your front Belly Pan 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#:
3184623
Mfg#:
8D0805960121KT
In Stock
ON SALE! SAVE 24%
$230.99

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

$174.79 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Belly Pan & Installation Hardware Kit

ES#2702651 - 8E0863821ALKT1 - Belly Pan & Installation Hardware Kit - Includes a replacement belly pan with all necessary mounting hardware - Genuine Volkswagen Audi - Audi

Includes a replacement belly pan with all necessary mounting hardware affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2702651
Mfg#:
8E0863821ALKT1
Ships in 4 Business Days
$691.99 USD
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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