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Audi A3 Engine Emission Parts

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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!

Brand:
Hengst - Corporate Logo
ES#:
4620655
Mfg#:
06H103495AK
In Stock
$104.99 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
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.

$922.95

This product was last offered at the strikethrough price on
05-10-2026

$819.95 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 2X Entries For Our 25th Anniversary Sweepstakes! 2X Entries For Our 25th Anniversary Sweepstakes! 2X Entries For Our 25th Anniversary Sweepstakes!
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

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!

Brand:
Hamburg Tech - Corporate Logo
ES#:
3102255
Mfg#:
06H103495AE
In Stock
$72.99 USD
Free Shipping
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! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 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 20%
$175.99

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

$140.07 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

VWR Oil Catch Tank & Oil Management Kit

ES#3146126 - VWR13G700 - VWR Oil Catch Tank & Oil Management Kit - Features a four way baffle system inside the tank to ensure superior separation of oil and condensation - Racingline - Audi Volkswagen

Features a four way baffle system inside the tank to ensure superior separation of oil and condensation affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Racingline - Corporate Logo
ES#:
3146126
Mfg#:
VWR13G700
In Stock
$842.99

This product was last offered at the strikethrough price on
02-10-2026

$842.27 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rear Oxygen Sensor - Priced Each

ES#1893854 - 1K0998262T - Rear 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 2X Entries For Our 25th Anniversary Sweepstakes! 2X Entries For Our 25th Anniversary Sweepstakes! 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
1893854
Mfg#:
1K0998262T
In Stock
$172.99

This product was last offered at the strikethrough price on
04-06-2026

$120.99 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. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4040043
Mfg#:
003779ECS05-01KT
In Stock
ON SALE! SAVE 10%
$408.90

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

$368.01 USD
Free Shipping
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. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 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

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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

For vehicles with FSI engine only

Brand:
ECS - Corporate Logo
ES#:
4000101
Mfg#:
023473ECS01KT
In Stock
ON SALE! SAVE 42%
$134.99

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

$78.59 USD
Free Shipping
on orders $49 and up
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 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#:
4905021
Mfg#:
MK8PCVRFKT
In Stock
$378.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Pressure Control Valve (PCV)

ES#4768289 - 06K103495BM - 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!

Brand:
Hengst - Corporate Logo
ES#:
4768289
Mfg#:
06K103495BM
Ships in 1-2 days
$94.99 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" affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
For vehicles with TSI engines only

Brand:
Bremmen Parts - Corporate Logo
ES#:
4772412
Mfg#:
06H103495AH
In Stock
ON SALE! SAVE 20%
$61.99

This product was last offered at the strikethrough price on
01-08-2026

$49.59 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Vacuum Pump

ES#2681799 - 06D145100H - Vacuum Pump - Generates vacuum when under positive pressure - Pierburg - Audi Volkswagen

Generates vacuum when under positive pressure affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with FSI engines only

Brand:
Pierburg - Corporate Logo
ES#:
2681799
Mfg#:
06D145100H
In Stock
$385.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Pressure Control Valve (PCV) OE# 06H103495AH

ES#2718626 - 06H103495E - Pressure Control Valve (PCV) OE# 06H103495AH - Also called the "breather valve" or "oil separator" - Hamburg Tech - 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 TSI engines only

Brand:
Hamburg Tech - Corporate Logo
ES#:
2718626
Mfg#:
06H103495E
In Stock
$67.99 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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