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Audi Engine Emission Parts

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APR Universal PCV Top Plate - 1.8T/2.0T EA888

ES#4487796 - MS100217 - APR Universal PCV Top Plate - 1.8T/2.0T EA888 - Universal/Service part for APR's MS100199 full catch can system - APR - Audi Volkswagen

Universal/Service part for APR's MS100199 full catch can system Call In Or Chat For Best Price! 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
APR - Corporate Logo
ES#:
4487796
Mfg#:
MS100217
In Stock
11% off MSRP

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

$562.99

This product was last offered at the strikethrough price on
07-24-2026

$499.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Solenoid Valve - Priced Each

ES#274849 - 037906283C - Solenoid Valve - Priced Each - Common cure for DTC P0441 - Genuine Volkswagen Audi - Audi Volkswagen

Common cure for DTC P0441

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
274849
Mfg#:
037906283C
In Stock
16% off MSRP

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

$216.65

This product was last offered at the strikethrough price on
02-26-2026

$181.89 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Purge Valve (AKF)

ES#2992740 - 06k133781eKT - Purge Valve (AKF) - Comes with hose to connect to oil separator assembly - Genuine Volkswagen Audi - Audi Volkswagen

Comes with hose to connect to oil separator assembly

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2992740
Mfg#:
06K133781EKT
In Stock
$180.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

hex bolt - priced each

ES#2540073 - N10156207 - hex bolt - priced each - Install new hardware with your new parts. M6x30 - Genuine Volkswagen Audi - Audi

Install new hardware with your new parts. M6x30 Secures the oil separator/pcv assembly to the engine block

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2540073
Mfg#:
N10156207
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.

$3.09

This product was last offered at the strikethrough price on
07-24-2026

$3.02 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
Back Ordered
Auto Notify
ON SALE! SAVE 15%
$499.99

This product was last offered at the strikethrough price on
07-10-2026

$424.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oil Separator/PCV Valve

ES#4472411 - 06K103495AN - Oil Separator/PCV Valve - Located on top of your valve cover - Hamburg Tech - Audi Volkswagen

Located on top of your valve cover We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
4472411
Mfg#:
06K103495AN
In Stock
$71.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Secondary Air Pump

ES#3561945 - 04E959231C - Secondary Air Pump - A common cause of emissions issues - Genuine Volkswagen Audi - Audi Volkswagen

A common cause of emissions issues

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3561945
Mfg#:
04E959231C
In Stock
Limited Qty Sale
$477.99

This product was last offered at the strikethrough price on
02-26-2026

$417.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Reinforced Silicone Breather Hose Kit

ES#2864540 - 034-101-3004 - Reinforced Silicone Breather Hose Kit - Upgrade from weaker rubber hoses - 034Motorsport - Audi Volkswagen

Upgrade from weaker rubber hoses From VIN 8E-3-040001 up to VIN 8E-3-500000, splits are in the 2003 model year

Brand:
034Motorsport - Corporate Logo
ES#:
2864540
Mfg#:
034-101-3004
In Stock
$237.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Breather Tube

ES#4818471 - 06H103213J - Breather Tube - Located on the rear of the valve cover, a common boost leak area - Bremmen Parts - Audi

Located on the rear of the valve cover, a common boost leak area 10X Entries For Our 25th Anniversary Sweepstakes!

Engine code CAEB

Brand:
Bremmen Parts - Corporate Logo
ES#:
4818471
Mfg#:
06H103213J
In Stock
ON SALE! SAVE 10%
$58.99

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

$53.09 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Billet Fuel Cap Cover - Clear Anodized

ES#3677062 - 022506ECS0101 - Billet Fuel Cap Cover - Clear 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 For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3677062
Mfg#:
022506ECS0101
In Stock
ON SALE!
$137.99

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

$133.85 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Vacuum Pump Gasket

ES#3432705 - 06H103121J - Vacuum Pump Gasket - Recommended to be replaced when replacing vacuum pump. - Elring - Audi Volkswagen

Recommended to be replaced when replacing vacuum pump. 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Elring - Corporate Logo
ES#:
3432705
Mfg#:
06H103121J
In Stock
$8.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Performance Baffled Oil Catch Can System

ES#3138254 - 017637ecs01KT - 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 For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3138254
Mfg#:
017637ECS01KT
In Stock
ON SALE! SAVE 10%
$588.99

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

$530.09 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Gas Cap

ES#4845970 - 8K0201550N - Gas Cap - Includes seal and retaining strap - Bremmen Parts - Audi

Includes seal and retaining strap 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4845970
Mfg#:
8K0201550N
In Stock
ON SALE! SAVE 19%
$31.99

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

$25.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

8Y RS3 Baffled Oil Catch Can System

ES#4742581 - 048070la01KT - 8Y RS3 Baffled Oil Catch Can System - Everything needed to keep your intake tract clean and oil free! - ECS - Audi

Everything needed to keep your intake tract clean and oil free! 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4742581
Mfg#:
048070LA01KT
In Stock
ON SALE! SAVE 20%
$556.99

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

$445.59 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Oxygen Sensor - Priced Each

ES#2435 - 1K0998262AB - Oxygen Sensor - Priced Each - Keep your engine running efficiently - Bosch - Audi Volkswagen

Keep your engine running efficiently 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
Fits both left & right sides - Up to the 2001 model year

Brand:
Bosch - Corporate Logo
ES#:
2435
Mfg#:
1K0998262AB
In Stock at Vendor
$180.99

This product was last offered at the strikethrough price on
02-21-2026

$144.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

8Y RS3 Front Mount Intercooler & Baffled Oil Catch Can System

ES#4876134 - 048042LAEBKT2 - 8Y RS3 Front Mount Intercooler & Baffled Oil Catch Can System - Upgrade your RS3 with a drastic reduction in IATs while keeping your intake tract clear! - Enthusiast Bundles - Audi

Upgrade your RS3 with a drastic reduction in IATs while keeping your intake tract clear! Don't See A Bundle You Want - Give Us A Call Or Chat - We Will Make One!

Brand:
Enthusiast Bundles - Corporate Logo
ES#:
4876134
Mfg#:
048042LAEBKT2
In Stock
ON SALE! SAVE 34%
$1524.99

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

$999.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial 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.

Other Audi Engine Emission Parts

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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