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Audi Engine Emission Parts

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Oil Separator/Pressure Control Valve (PCV)

ES#4620653 - 06E103547AH - Oil Separator/Pressure Control Valve (PCV) - Located beneath the supercharger compressor - Hengst - Audi
ECS Tuning recommends this product.

Located beneath the supercharger compressor 10X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Hengst - Corporate Logo
ES#:
4620653
Mfg#:
06E103547AH
In Stock
$175.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Upgraded PCV Breather Hose

ES#3177549 - 021834ecs0101KT - Upgraded PCV Breather Hose - Replace your PCV hose with our ECS -10AN Braided Nylon Hose Kit featuring aluminum fittings for a direct-fit heavy duty upgrade! - ECS - Audi Volkswagen

Replace your PCV hose with our ECS -10AN Braided Nylon Hose Kit featuring aluminum fittings for a direct-fit heavy duty upgrade! 10X Entries For Our 25th Anniversary Sweepstakes!
Upgrade / Replacement PCV Hose - For use with OE PCV System

Brand:
ECS - Corporate Logo
ES#:
3177549
Mfg#:
021834ECS0101KT
In Stock
ON SALE! SAVE 25%
$178.99

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

$134.24 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

MK8 PCV Retrofit Kit

ES#4905021 - mk8pcvrfKT - MK8 PCV Retrofit Kit - OEM+ Upgrade for your Gen3 TSI - Assembled By ECS - Audi Volkswagen

OEM+ Upgrade for your Gen3 TSI 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
4905021
Mfg#:
MK8PCVRFKT
In Stock
$383.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Silicone Upper & Lower PCV Hose Set (Replaces 06F103221H & 06F103235A)

ES#4000101 - 023473ecs01KT - Silicone Upper & Lower PCV Hose Set (Replaces 06F103221H & 06F103235A) - Replace your failure-prone plastic PCV hoses with a long term, high quality solution - ECS - Audi Volkswagen

Replace your failure-prone plastic PCV hoses with a long term, high quality solution 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4000101
Mfg#:
023473ECS01KT
In Stock
ON SALE! SAVE 25%
$137.99

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

$103.48 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

IE Recirculating Catch Can Kit

ES#2794717 - IEBACG1 - IE Recirculating Catch Can Kit - Prevent crankcase oil fumes from condensing and filling your turbo piping, intercooler, and intake manifold - Integrated Engineering - Audi

Prevent crankcase oil fumes from condensing and filling your turbo piping, intercooler, and intake manifold 5X Entries For Our 25th Anniversary Sweepstakes!

For models with plastic intake manifold only

Brand:
Integrated Engineering - Corporate Logo
ES#:
2794717
Mfg#:
IEBACG1
Back Ordered
Auto Notify
$591.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Pressure Control Valve (PCV)

ES#4620652 - 06E103547AF - Pressure Control Valve (PCV) - Located beneath the intake manifold. - Hengst - Audi
ECS Tuning recommends this product.

Located beneath the intake manifold. 10X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
For vehicles up through the 2019 model year only.

Brand:
Hengst - Corporate Logo
ES#:
4620652
Mfg#:
06E103547AF
In Stock
$260.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Pressure Control Valve (PCV)

ES#4772412 - 06H103495AH - Pressure Control Valve (PCV) - Also called the "breather valve" or "oil separator" - Bremmen Parts - Audi Volkswagen

Also called the "breather valve" or "oil separator" 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4772412
Mfg#:
06H103495AH
In Stock
ON SALE!
$57.99

This product was last offered at the strikethrough price on
07-16-2026

$55.09 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Separator/PCV Valve

ES#3604960 - 06K103495BK - Oil Separator/PCV Valve - Located on top of your valve cover - Genuine Volkswagen Audi - Audi Volkswagen

Located on top of your valve cover For Vehicles with engine codes DAYB, DJYA

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3604960
Mfg#:
06K103495BK
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.

$92.74

This product was last offered at the strikethrough price on
02-23-2026

$91.29 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Billet PCV Breather Vent Hose Kit - Black

ES#4620256 - 079103210E - Billet PCV Breather Vent Hose Kit - Black - More reliable and and durable than the factory PCV. - JH Motorsports - Audi

More reliable and and durable than the factory PCV.

Brand:
JH Motorsports - Corporate Logo
ES#:
4620256
Mfg#:
079103210E
In Stock
$399.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Separator/Pressure Control Valve (PCV)

ES#4623253 - 06E103547AK - Oil Separator/Pressure Control Valve (PCV) - Located beneath the supercharger compressor - URO - Audi

Located beneath the supercharger compressor 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
From production date 5/8/2012 up through the 2015 model year

Brand:
URO - Corporate Logo
ES#:
4623253
Mfg#:
06E103547AK
In Stock
$159.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Recirculating Catch Can Kit

ES#2918663 - IEBACN1 - Recirculating Catch Can Kit - Everything needed to add a catch can to your MK7 TSI using the OEM valve cover. - Integrated Engineering - Audi Volkswagen

Everything needed to add a catch can to your MK7 TSI using the OEM valve cover. 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Integrated Engineering - Corporate Logo
ES#:
2918663
Mfg#:
IEBACN1
Back Ordered
Auto Notify
$650.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Basic Pressure Control Valve (PCV) Kit

ES#3698386 - 06e103547acKT1 - Basic Pressure Control Valve (PCV) Kit - This kit includes new oil separator, supercharger gaskets (qty 6), and vent tube o-rings (qty 2). - Assembled By ECS - Audi

This kit includes new oil separator, supercharger gaskets (qty 6), and vent tube o-rings (qty 2). 10X Entries For Our 25th Anniversary Sweepstakes!
For vehicles with production date from 5/7/2012 only.

Brand:
Assembled By ECS - Corporate Logo
ES#:
3698386
Mfg#:
06E103547ACKT1
In Stock
ON SALE! SAVE 14%
$189.99

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

$164.02 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

034Motorsport PCV Breather Hose - EA839 2.9T

ES#4849698 - 034-101-3109 - 034Motorsport PCV Breather Hose - EA839 2.9T - Upgrade your failure-prone PCV breather hose with the high-performance, reliable 034Motorsport PCV Breather Hose - 034Motorsport - Audi

Upgrade your failure-prone PCV breather hose with the high-performance, reliable 034Motorsport PCV Breather Hose

Brand:
034Motorsport - Corporate Logo
ES#:
4849698
Mfg#:
034-101-3109
In Stock
$249.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Universal ECS Tuning Baffled Oil Catch Can Kit (8oz)

ES#4040043 - 003779ecs05-01KT - Universal ECS Tuning Baffled Oil Catch Can Kit (8oz) - Capture harmful oil vapors and keep your intake tract clean. Includes our universal catch can, brackets, fittings and drain kit. Everything you need except plumbing to your engine. - ECS - Audi Volkswagen

Capture harmful oil vapors and keep your intake tract clean. Includes our universal catch can, brackets, fittings and drain kit. Everything you need except plumbing to your engine. 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4040043
Mfg#:
003779ECS05-01KT
In Stock
ON SALE! SAVE 15%
$417.99

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

$355.29 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Front Oxygen Sensor - Priced Each

ES#2598466 - 1K0998262L - Front 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!

Brand:
Bosch - Corporate Logo
ES#:
2598466
Mfg#:
1K0998262L
In Stock
$233.99

This product was last offered at the strikethrough price on
07-08-2026

$160.16 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.

Other Audi Engine Emission Parts

Let us help you find the parts that fit your Audi

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Manufacturer names and/or part numbers are used only for identification purposes.

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