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Audi A4 Engine Emission Parts

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ECS Tuning Baffled Oil Catch Can - 6oz

ES#4369811 - 003779ECS05-01 - ECS Tuning Baffled Oil Catch Can - 6oz - 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! 10X Entries Into Our F80 M3 Sweepstakes
For use with custom plumbing and ECS universal mounting bracket kit

Brand:
ECS - Corporate Logo
ES#:
4369811
Mfg#:
003779ECS05-01
In Stock
ON SALE! SAVE 46%
$233.99

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

$126.78 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 10X Entries Into Our F80 M3 Sweepstakes

For vehicles with plastic intake manifolds

Brand:
ECS - Corporate Logo
ES#:
2960610
Mfg#:
004136ECS01KT
In Stock
ON SALE! SAVE 10%
$673.99

This product was last offered at the strikethrough price on
06-13-2026

$606.59 USD
Free Shipping
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 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
2966735
Mfg#:
010371ECS01KT
Ships on Jan 26, 2027
ON SALE!
$576.99

This product was last offered at the strikethrough price on
06-13-2026

$548.14 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Universal Catch Can Kit - Carbon Fiber

ES#2500608 - MM0CCCF - Universal Catch Can Kit - Carbon Fiber - Kit with catch can and rubber hose; for retrofitting on a variety of vehicles. - Mishimoto - Audi BMW Volkswagen MINI

Kit with catch can and rubber hose; for retrofitting on a variety of vehicles.

Brand:
Mishimoto - Corporate Logo
ES#:
2500608
Mfg#:
MM0CCCF
In Stock
$162.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Performance Baffled Oil Catch Can System

ES#3194688 - 019205ecs01KT - Performance Baffled Oil Catch Can System - Keep your intake tract clean and carbon free - ECS - Audi

Keep your intake tract clean and carbon free 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
3194688
Mfg#:
019205ECS01KT
In Stock
ON SALE!
$616.99

This product was last offered at the strikethrough price on
06-13-2026

$586.14 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Vacuum System Purge Valve & Hose Set

ES#4818481 - 06H133781CK - Vacuum System Purge Valve & Hose Set - Includes the solenoid valve and check valve with 3 hoses - Bremmen Parts - Audi

Includes the solenoid valve and check valve with 3 hoses 10X Entries Into Our F80 M3 Sweepstakes

Fits pre-facelift (up to 2012) models with CAEB engine code

Brand:
Bremmen Parts - Corporate Logo
ES#:
4818481
Mfg#:
06H133781CK
In Stock
ON SALE! SAVE 15%
$89.99

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

$76.49 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Pressure Control Valve (PCV)

ES#3151110 - 06H103495AH - Pressure Control Valve (PCV) - Also called the "breather valve" or "oil separator" - Genuine Volkswagen Audi - Audi Volkswagen

Also called the "breather valve" or "oil separator" Fits up to production date 3/31/2012 - Please check existing part number before ordering

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3151110
Mfg#:
06H103495AH
In Stock
17% off MSRP

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

$358.74

This product was last offered at the strikethrough price on
05-07-2026

$298.47 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Solenoid Valve - Priced Each

ES#4818410 - 037906283C - Solenoid Valve - Priced Each - Common cure for DTC P0441 - Bremmen Parts - Audi Volkswagen

Common cure for DTC P0441 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bremmen Parts - Corporate Logo
ES#:
4818410
Mfg#:
037906283C
In Stock
ON SALE! SAVE 15%
$45.99

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

$38.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Vacuum Pump

ES#4785750 - 06D145100H - Vacuum Pump - Generates vacuum when under positive pressure - URO - Audi Volkswagen

Generates vacuum when under positive pressure 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
4785750
Mfg#:
06D145100H
In Stock
$160.98 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Secondary Air Injection Pump

ES#2532875 - 06A959253E - Secondary Air Injection Pump - Keep your engine running efficiently - URO - Audi Volkswagen Porsche

Keep your engine running efficiently 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!
Engine codes ATW & AWM from VIN 8D-Y-100001, split is in the 2000 model year

Brand:
URO - Corporate Logo
ES#:
2532875
Mfg#:
06A959253E
In Stock
$143.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Pressure Control Valve (PCV) Kit

ES#3690239 - 06h103495akt4KT - Pressure Control Valve (PCV) Kit - Also called the "breather valve" or "oil separator". Located on top of the valve cover. - Assembled By ECS - Audi

Also called the "breather valve" or "oil separator". Located on top of the valve cover. 10X Entries Into Our F80 M3 Sweepstakes
Fits from production date 3/31/2012 - Please check existing part number before ordering

Brand:
Assembled By ECS - Corporate Logo
ES#:
3690239
Mfg#:
06H103495AKT4KT
In Stock
ON SALE! SAVE 24%
$108.99

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

$82.88 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

ECS Tuning Baffled Oil Catch Can Mounting Bracket Kit - Universal Fit

ES#2918376 - 003779ECS06KT - ECS Tuning Baffled Oil Catch Can Mounting Bracket Kit - Universal Fit - Universal 3-piece mounting bracket kit for installing a new ECS Oil Catch Can - ECS - Audi BMW Volkswagen MINI

Universal 3-piece mounting bracket kit for installing a new ECS Oil Catch Can 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
2918376
Mfg#:
003779ECS06KT
In Stock
ON SALE! SAVE 25%
$95.99

This product was last offered at the strikethrough price on
06-13-2026

$71.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Emissions Service Kit

ES#2723967 - 06H103495EKT2 - Emissions Service Kit - Everything you need to replace a faulty PCV valve - Assembled By ECS - Audi

Everything you need to replace a faulty PCV valve 10X Entries Into Our F80 M3 Sweepstakes
Up to the 2012 model year

Brand:
Assembled By ECS - Corporate Logo
ES#:
2723967
Mfg#:
06H103495EKT2
In Stock
ON SALE! SAVE 22%
$178.36

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

$139.66 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Billet Fuel Cap Cover - Black Anodized

ES#3677064 - 022506ECS0102 - Billet Fuel Cap Cover - Black Anodized - Upgrade your gas cap to our gorgeous CNC-machined aluminum cover. Easily installs over your existing cap! - ECS - Audi Volkswagen Porsche

Upgrade your gas cap to our gorgeous CNC-machined aluminum cover. Easily installs over your existing cap! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
3677064
Mfg#:
022506ECS0102
In Stock
ON SALE!
$120.99

This product was last offered at the strikethrough price on
09-07-2026

$114.94 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Pressure Control Valve (PCV)

ES#4620648 - 06E103547P - Pressure Control Valve (PCV) - Located beneath the intake manifold - Hengst - Audi
ECS Tuning recommends this product.

Located beneath the intake manifold 5X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Hengst - Corporate Logo
ES#:
4620648
Mfg#:
06E103547P
In Stock
$119.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Billet Catch Can Kit

ES#2848072 - CTSCCB8.5TFSi - Billet Catch Can Kit - Reduce oil deposits that lower performance - CTS - Audi

Reduce oil deposits that lower performance From the 2013 model year

Brand:
CTS - Corporate Logo
ES#:
2848072
Mfg#:
CTSCCB8.5TFSI
Ships in 7 Business Days
ON SALE! SAVE 15%
$499.99

This product was last offered at the strikethrough price on
08-26-2026

$424.99 USD
Free Shipping
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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