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Audi A4 Engine Emission Parts

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Vacuum Pump Replacement Kit

ES#3508351 - 06J145100PKT1 - Vacuum Pump Replacement Kit - Includes pump, gasket, and hardware for a complete cylinder-head mounted vacuum pump replacement. - Assembled By ECS - Audi

Includes pump, gasket, and hardware for a complete cylinder-head mounted vacuum pump replacement. 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#:
3508351
Mfg#:
06J145100PKT1
In Stock
$182.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oil Separator/ Pressure Control Valve (PCV)

ES#4897813 - 06Q103495G - Oil Separator/ Pressure Control Valve (PCV) - Located on top of your valve cover - Genuine Volkswagen Audi - Audi Volkswagen

Located on top of your valve cover affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For Face-lift models (2020+) with DPAA engine code

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4897813
Mfg#:
06Q103495G
In Stock
2% off MSRP

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

$112.99

This product was last offered at the strikethrough price on
06-07-2026

$110.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

VWR Billet Fuel Filler Cap - Push & Twist Type

ES#4040601 - vwr19G711 - VWR Billet Fuel Filler Cap - Push & Twist Type - Beautifully over-engineered in customary RacingLine fashion to give an exquisite feel and beautiful appearance - Make refueling a pleasure! - Racingline - Audi Volkswagen Porsche

Beautifully over-engineered in customary RacingLine fashion to give an exquisite feel and beautiful appearance - Make refueling a pleasure! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with bayonet/twist lock style gas cap only. Please confirm prior to ordering.

Brand:
Racingline - Corporate Logo
ES#:
4040601
Mfg#:
VWR19G711
In Stock
$137.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Performance Baffled Oil Catch Can System - Audi B8 A4/A5 2.0T

ES#2960610 - 004136ecs01KT - Performance Baffled Oil Catch Can System - Audi B8 A4/A5 2.0T - Keep your intake tract clean and carbon free - ECS - Audi

Keep your intake tract clean and carbon free affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

For vehicles with plastic intake manifolds

Brand:
ECS - Corporate Logo
ES#:
2960610
Mfg#:
004136ECS01KT
In Stock
ON SALE!
$659.99

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

$626.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Pressure Control Valve (PCV)

ES#3714259 - 06H103495AH - Pressure Control Valve (PCV) - Also called the "breather valve" or "oil separator" - URO - Audi Volkswagen

Also called the "breather valve" or "oil separator" affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!
Fits up to production date 3/31/2012 - Please check existing part number before ordering

Brand:
URO - Corporate Logo
ES#:
3714259
Mfg#:
06H103495AH
In Stock
$60.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

ECS Tuning Baffled Oil Catch Can - 8oz

ES#4369812 - 003779ECS05-02 - ECS Tuning Baffled Oil Catch Can - 8oz - Capture harmful oil vapors and keep your intake tract clean. Now featuring an easy to empty drain plug! - ECS - Audi BMW Volkswagen MINI

Capture harmful oil vapors and keep your intake tract clean. Now featuring an easy to empty drain plug! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
For use with custom plumbing and ECS universal mounting bracket kit

Brand:
ECS - Corporate Logo
ES#:
4369812
Mfg#:
003779ECS05-02
In Stock
ON SALE!
$233.99

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

$222.11 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Performance Baffled Oil Catch Can System - Audi B7 A4 2.0T

ES#2966735 - 010371ecs01KT - Performance Baffled Oil Catch Can System - Audi B7 A4 2.0T - Keep your intake tract clean and carbon free - ECS - Audi

Keep your intake tract clean and carbon free affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
2966735
Mfg#:
010371ECS01KT
Ships on Oct 21, 2026
Auto Notify
ON SALE!
$565.99

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

$548.50 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Pressure Control Valve (PCV)

ES#4768292 - 06F129101N - Pressure Control Valve (PCV) - Also called the "breather valve" or "oil separator" - Hengst - Audi Volkswagen
ECS Tuning recommends this product.

Also called the "breather valve" or "oil separator" affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
Up to production date 12/16/2005

Brand:
Hengst - Corporate Logo
ES#:
4768292
Mfg#:
06F129101N
In Stock
$26.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Separator/PCV Valve

ES#4213747 - 06K103495BL - Oil Separator/PCV Valve - Also called the "breather valve" or "oil separator" - Rein - Audi Volkswagen

Also called the "breather valve" or "oil separator" affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!
For vehicles with CYMC engine code only

Brand:
Rein - Corporate Logo
ES#:
4213747
Mfg#:
06K103495BL
Back Ordered
Auto Notify
$124.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

7/8"(22mm) Flexible Oxygen Sensor Wrench

ES#240942 - FO-78 - 7/8"(22mm) Flexible Oxygen Sensor Wrench - The proper tool to remove difficult-to-reach oxygen sensors - Schwaben - Audi BMW Volkswagen Mercedes Benz MINI Porsche
ECS Tuning recommends this product.

The proper tool to remove difficult-to-reach oxygen sensors affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Schwaben - Corporate Logo
ES#:
240942
Mfg#:
FO-78
Ships on Jun 23, 2026
Auto Notify
ON SALE! SAVE 30%
$48.99

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

$34.29 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Solenoid Valve - Priced Each

ES#2575254 - 037906283C - Solenoid Valve - Priced Each - Common cure for DTC P0441 - Pierburg - Audi Volkswagen

Common cure for DTC P0441 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Pierburg - Corporate Logo
ES#:
2575254
Mfg#:
037906283C
In Stock
$99.99

This product was last offered at the strikethrough price on
01-07-2026

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

Purge Valve

ES#2574950 - 06E906517A - Purge Valve - Common fix for error code DTC#P0441 - Bosch - Audi Volkswagen

Common fix for error code DTC#P0441 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
2574950
Mfg#:
06E906517A
In Stock
$31.06

This product was last offered at the strikethrough price on
04-09-2026

$28.85 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Universal Large Aluminum Oil Catch Can

ES#2765062 - MM0CCLA - Universal Large Aluminum Oil Catch Can - Includes Mounting Brackets & Hardware - Mishimoto - Audi BMW Volkswagen MINI

Includes Mounting Brackets & Hardware affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Mishimoto - Corporate Logo
ES#:
2765062
Mfg#:
MM0CCLA
In Stock
$127.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

TSI Upgraded Silicone PCV Breather Hose (06J103221A)

ES#4906688 - 054529LA03 - TSI Upgraded Silicone PCV Breather Hose (06J103221A) - Replace your failure-prone plastic PCV hose with a durable, long-lasting solution! - ECS - Audi Volkswagen

Replace your failure-prone plastic PCV hose with a durable, long-lasting solution! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
10X Entries For Our Spin To Win Sweepstakes!
Up to the 2012 model year

Brand:
ECS - Corporate Logo
ES#:
4906688
Mfg#:
054529LA03
In Stock
ON SALE! SAVE 10%
$132.99

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

$119.69 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

034Motorsport Catch Can Kit

ES#4475474 - 034-101-1017 - 034Motorsport Catch Can Kit - Keep your intake tract clean and carbon free - 034Motorsport - Audi

Keep your intake tract clean and carbon free affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with metal intake manifold (Flex Fuel)
For vehicles with metal intake manifold (Flex Fuel)

Brand:
034Motorsport - Corporate Logo
ES#:
4475474
Mfg#:
034-101-1017
In Stock
$674.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Gas Cap

ES#2832685 - 8K0201550N - Gas Cap - Includes seal and retaining strap - Genuine Volkswagen Audi - Audi

Includes seal and retaining strap affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2832685
Mfg#:
8K0201550N
In Stock
9% off MSRP

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

$73.33

This product was last offered at the strikethrough price on
02-03-2026

$66.95 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

More About Engine Emission Parts

Repairing failed emission components doesn't just turn off the check engine light so you can pass your local emissions test, it also improves performance and fuel economy. ECS stocks all common emission controls, from oxygen sensors to PCV valves.

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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