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Audi Engine Emission Parts

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Oxygen Sensor - Priced Each

ES#8367 - 1K0998262 - Oxygen Sensor - Priced Each - Keep your engine running efficiently - Bosch - Audi Volkswagen

Keep your engine running efficiently We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
8367
Mfg#:
1K0998262
In Stock
$105.07 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Pressure Control Valve (PCV)

ES#4883649 - 06E103547AF - Pressure Control Valve (PCV) - Located beneath the intake manifold. - Rein - Audi

Located beneath the intake manifold. 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!
For vehicles with Model years 2016 +

Brand:
Rein - Corporate Logo
ES#:
4883649
Mfg#:
06E103547AF
In Stock
ON SALE!
$148.99

This product was last offered at the strikethrough price on
08-31-2026

$141.54 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Front Oxygen Sensor - Priced Each

ES#3678737 - 06K906262CS - Front Oxygen Sensor - Priced Each - Keep your engine running efficiently - Genuine Volkswagen Audi - Audi Volkswagen

Keep your engine running efficiently

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3678737
Mfg#:
06K906262CS
In Stock
Limited Qty Sale
$293.82

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

$234.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Pressure Control Valve (PCV) - right

ES#2552537 - 079103209CB - Pressure Control Valve (PCV) - right - Also called the "breather valve" or "oil separator" - Genuine Volkswagen Audi - Audi

Also called the "breather valve" or "oil separator"

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2552537
Mfg#:
079103209CB
Ships in 1 day
10% off MSRP

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

$441.99

This product was last offered at the strikethrough price on
08-31-2026

$397.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

AdBlue Fluid Pump

ES#4008129 - 8R0131969G - AdBlue Fluid Pump - Supplies diesel exhaust fluid (DEF) to the injector - Genuine Volkswagen Audi - Audi

Supplies diesel exhaust fluid (DEF) to the injector

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4008129
Mfg#:
8R0131969G
Ships in 1 day
10% off MSRP

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

$771.99

This product was last offered at the strikethrough price on
08-31-2026

$694.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Billet PCV Check Valve

ES#2864536 - 034-101-2002 - Billet PCV Check Valve - Located under the intake manifold - 034Motorsport - Audi Volkswagen

Located under the intake manifold 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
2864536
Mfg#:
034-101-2002
In Stock
$51.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor - Left (Cylinders 4-6)

ES#2162754 - 1K0998262N - Oxygen Sensor - Left (Cylinders 4-6) - Found before the catalytic converter - Bosch - Audi Volkswagen

Found before the catalytic converter We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
2162754
Mfg#:
1K0998262N
Ships in 1 Business Day
$239.99

This product was last offered at the strikethrough price on
04-10-2026

$223.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Mishimoto Oil Catch Can Kit

ES#4141537 - MMBCCS418PBE - Mishimoto Oil Catch Can Kit - Give the 3.0T TFSI powering your 2018+ Audi S4 or S5 the extra layer of defense that it needs - Mishimoto - Audi

Give the 3.0T TFSI powering your 2018+ Audi S4 or S5 the extra layer of defense that it needs

Brand:
Mishimoto - Corporate Logo
ES#:
4141537
Mfg#:
MMBCCS418PBE
Ships in 3 Business Days
$445.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rear Oxygen Sensor - Priced Each

ES#4766193 - 8S0906262B - Rear Oxygen Sensor - Priced Each - Keep your engine running efficiently. Shared Nissan part. - Bremmen Parts - Audi Volkswagen

Keep your engine running efficiently. Shared Nissan part. 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bremmen Parts - Corporate Logo
ES#:
4766193
Mfg#:
8S0906262B
In Stock
$106.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor Tool - Angled Handle - 7/8" - Bavarian Autosport

ES#3673911 - B8800066 - Oxygen Sensor Tool - Angled Handle - 7/8" - Bavarian Autosport - Slotted, pivoting head has both hexagon and double hexagon drive. Angled handle reaches around obstructions. - Bav Auto Tools - Audi BMW Volkswagen Mercedes Benz MINI Porsche
ECS Tuning recommends this product.

Slotted, pivoting head has both hexagon and double hexagon drive. Angled handle reaches around obstructions. 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bav Auto Tools - Corporate Logo
ES#:
3673911
Mfg#:
B8800066
Ships on Sep 30, 2026
Auto Notify
ON SALE! SAVE 25%
$49.99

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

$37.49 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Secondary Air Injection Pump

ES#4742867 - 07K131333A - Secondary Air Injection Pump - Brings in fresh air for a smooth idle - URO - Audi Volkswagen

Brings in fresh air for a smooth idle 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
4742867
Mfg#:
07K131333A
In Stock
$131.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Vacuum System Repair Kit

ES#2515457 - 51731257971KT - Vacuum System Repair Kit - Kit includes vacuum T fittings, vacuum line, and one way check valve - Assembled By ECS - Audi Volkswagen

Kit includes vacuum T fittings, vacuum line, and one way check valve 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
2515457
Mfg#:
51731257971KT
In Stock
ON SALE!
$47.99

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

$46.58 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Pressure Control Valve (PCV)

ES#4883644 - 06H103495AK - Pressure Control Valve (PCV) - Also referred to as the breather valve or oil separator - Rein - Audi

Also referred to as the breather valve or oil separator 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
4883644
Mfg#:
06H103495AK
In Stock
ON SALE! SAVE 13%
$60.99

This product was last offered at the strikethrough price on
04-27-2026

$53.19 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

PCV Breather Hose

ES#4883727 - 06K103213J - PCV Breather Hose - Connects the PCV valve to turbo inlet hose - Rein - Audi Volkswagen

Connects the PCV valve to turbo inlet hose 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
4883727
Mfg#:
06K103213J
In Stock
ON SALE!
$41.99

This product was last offered at the strikethrough price on
08-31-2026

$39.89 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Vacuum System Purge Valve & Hose Set

ES#4339557 - 06H133781CK - Vacuum System Purge Valve & Hose Set - Includes the solenoid valve and check valve with 3 hoses - Hamburg Tech - Audi

Includes the solenoid valve and check valve with 3 hoses We Price Match - Give Us A Call or Chat!
Fits pre-facelift (up to 2012) models with CAEB engine code

Brand:
Hamburg Tech - Corporate Logo
ES#:
4339557
Mfg#:
06H133781CK
In Stock
ON SALE! SAVE 20%
$99.99

This product was last offered at the strikethrough price on
09-03-2026

$79.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Valve Cover Breather Adapter - -10AN Fittings

ES#4017419 - 034-101-5005 - Valve Cover Breather Adapter - -10AN Fittings - DIY Breather Port Adapter To Allow a Provision For Custom Catch Can Setups On The Audi/VW 2.0T FSI - Uses -10AN Fittings - 034Motorsport - Audi Volkswagen

DIY Breather Port Adapter To Allow a Provision For Custom Catch Can Setups On The Audi/VW 2.0T FSI - Uses -10AN Fittings 2X Entries Into Our F80 M3 Sweepstakes
*Allows for custom catch can installation on 2.0T FSI engines*
For vehicles with FSI engines only.

Brand:
034Motorsport - Corporate Logo
ES#:
4017419
Mfg#:
034-101-5005
In Stock
$91.00 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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