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Audi Engine Emission Parts

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Pressure Control Valve (PCV)

ES#4620654 - 06H103495AH - 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!
Fits up to production date 3/31/2012 - Please check existing part number before ordering

Brand:
Hengst - Corporate Logo
ES#:
4620654
Mfg#:
06H103495AH
In Stock
ON SALE! SAVE 10%
$129.99

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

$116.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Pressure Control Valve (PCV)

ES#4620655 - 06H103495AK - Pressure Control Valve (PCV) - Also referred to as the breather valve or oil separator - Hengst - Audi
ECS Tuning recommends this product.

Also referred to as 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!
Fits from production date 3/31/2012 - Please check existing part number before ordering

Brand:
Hengst - Corporate Logo
ES#:
4620655
Mfg#:
06H103495AK
In Stock
ON SALE! SAVE 10%
$104.99

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

$94.49 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Pressure Control Valve (PCV)

ES#3181777 - 06H103495AK - Pressure Control Valve (PCV) - Also referred to as the breather valve or oil separator - Genuine Volkswagen Audi - Audi

Also referred to as the breather valve or oil separator affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3181777
Mfg#:
06H103495AK
In Stock
$318.29

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

$317.68 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

APR Full Catch Can System

ES#4352743 - MS100199 - APR Full Catch Can System - Keep your intake tract clean and oil free, with APR's Oil Catch Can System - APR - Audi Volkswagen

Keep your intake tract clean and oil free, with APR's Oil Catch Can System Call In Or Chat For Best Price! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
APR - Corporate Logo
ES#:
4352743
Mfg#:
MS100199
Ships on Jul 10, 2026
Auto Notify
11% off MSRP

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

$922.95

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

$819.95 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Ultimate Pressure Control Valve (PCV) Kit

ES#4487413 - 06E103547AC1KT - Ultimate Pressure Control Valve (PCV) Kit - Comprehensive kit includes everything to refresh your PCV system plus ECS coolant bleeder screw set. - Assembled By ECS - Audi
ECS Tuning recommends this product.

Comprehensive kit includes everything to refresh your PCV system plus ECS coolant bleeder screw set. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Up to the 2012 model year

Brand:
Assembled By ECS - Corporate Logo
ES#:
4487413
Mfg#:
06E103547AC1KT
In Stock
ON SALE! SAVE 15%
$332.99

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

$284.51 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Basic Oil Separator/Pressure Control Valve (PCV) Kit

ES#4698595 - 06m103515fKT - Basic Oil Separator/Pressure Control Valve (PCV) Kit - Replace your leaking PCV - Genuine Volkswagen Audi - Audi

Replace your leaking PCV affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4698595
Mfg#:
06M103515FKT
In Stock
$167.99

This product was last offered at the strikethrough price on
02-24-2026

$152.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Ultimate Pressure Control Valve (PCV) Service Kit

ES#4487400 - 06E103547AHKT - Ultimate Pressure Control Valve (PCV) Service Kit - Comprehensive kit includes new oil separator, supercharger gaskets, vent tube o-rings, and ECS coolant bleeder screw kit. - Assembled By ECS - Audi
ECS Tuning recommends this product.

Comprehensive kit includes new oil separator, supercharger gaskets, vent tube o-rings, and ECS coolant bleeder screw kit. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Fits from the 2013 model year

Brand:
Assembled By ECS - Corporate Logo
ES#:
4487400
Mfg#:
06E103547AHKT
In Stock
ON SALE! SAVE 14%
$346.99

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

$297.07 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

RacingLine Oil Catch Can System - B9 S4/S5/SQ5

ES#4620271 - VWR131000 - RacingLine Oil Catch Can System - B9 S4/S5/SQ5 - Features a complete PCV replacement block feeding to an internally-baffled can to eliminate oil-build-up in the intercooler and inlet tract - Racingline - Audi

Features a complete PCV replacement block feeding to an internally-baffled can to eliminate oil-build-up in the intercooler and inlet tract affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Racingline - Corporate Logo
ES#:
4620271
Mfg#:
VWR131000
In Stock
$1117.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Ultimate Oil Separator/Pressure Control Valve (PCV) Service Kit

ES#4782919 - 06M129041KT2 - Ultimate Oil Separator/Pressure Control Valve (PCV) Service Kit - Comprehensive kit includes the PCV, Breather lines, and all required hardware - Assembled By ECS - Audi

Comprehensive kit includes the PCV, Breather lines, and all required hardware 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#:
4782919
Mfg#:
06M129041KT2
In Stock
ON SALE!
$303.99

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

$291.94 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

034Motorsport PCV Breather Hose - EA839 3.0T

ES#4849697 - 034-101-3108 - 034Motorsport PCV Breather Hose - EA839 3.0T - 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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
4849697
Mfg#:
034-101-3108
Ships on Jun 25, 2026
Auto Notify
$249.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Front Oxygen Sensor - Priced Each

ES#4900338 - 06K906262CS - Front Oxygen Sensor - Priced Each - Keep your engine running efficiently - Bosch - Audi Volkswagen

Keep your engine running efficiently 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#:
4900338
Mfg#:
06K906262CS
In Stock
$176.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Ultimate Oil Separator/Pressure Control Valve (PCV) Service Kit

ES#4782917 - 06M129041KT - Ultimate Oil Separator/Pressure Control Valve (PCV) Service Kit - Comprehensive kit includes the PCV, Breather lines, and all required hardware - Genuine Volkswagen Audi - Audi

Comprehensive kit includes the PCV, Breather lines, and all required hardware affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4782917
Mfg#:
06M129041KT
In Stock
$325.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Pressure Control Valve (PCV) 06H103495AK

ES#3102255 - 06H103495AE - Pressure Control Valve (PCV) 06H103495AK - Also referred to as the breather valve or oil separator - Hamburg Tech - Audi

Also referred to as 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 from production date 3/31/2012 - Please check existing part number before ordering

Brand:
Hamburg Tech - Corporate Logo
ES#:
3102255
Mfg#:
06H103495AE
In Stock
$72.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Vent Hose

ES#3561980 - 06M103210EB - Vent Hose - Restores the proper flow of crankcase gases, keeping your intake valves cleaner and your emissions systems happy - Genuine Volkswagen Audi - Audi

Restores the proper flow of crankcase gases, keeping your intake valves cleaner and your emissions systems happy affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3561980
Mfg#:
06M103210EB
In Stock
15% off MSRP

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

$170.00

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

$144.84 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Separator/Pressure Control Valve (PCV)

ES#4620647 - 06E103547AC - Oil Separator/Pressure Control Valve (PCV) - Located beneath the supercharger compressor - Hengst - Audi Porsche
ECS Tuning recommends this product.

Located beneath the supercharger compressor 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 5/7/2012

Brand:
Hengst - Corporate Logo
ES#:
4620647
Mfg#:
06E103547AC
In Stock
ON SALE! SAVE 12%
$130.99

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

$114.74 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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 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!

Brand:
Hengst - Corporate Logo
ES#:
4620653
Mfg#:
06E103547AH
Ships in 8 Business Days
ON SALE! SAVE 10%
$165.99

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

$149.39 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.

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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