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Audi Engine Emission Parts

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Rear Oxygen Sensor - Priced Each

ES#4057477 - 1K0998262T - Rear Oxygen Sensor - Priced Each - Keep your engine running efficiently - Denso - Audi Volkswagen

Keep your engine running efficiently

Brand:
Denso - Corporate Logo
ES#:
4057477
Mfg#:
1K0998262T
Ships in 2 Business Days
$135.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

PCV Vent Hose

ES#4039401 - 03H103202D - PCV Vent Hose - Heated vent hose that connects from the valve cover to the intake manifold. - Vaico - Audi Volkswagen

Heated vent hose that connects from the valve cover to the intake manifold. We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
4039401
Mfg#:
03H103202D
Ships in 2 Business Days
$269.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor

ES#2702320 - 1K0998262AE - Oxygen Sensor - 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#:
2702320
Mfg#:
1K0998262AE
Ships in 2 Business Days
$283.76

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

$269.59 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

EGR Valve - Left

ES#2142828 - 078131101AB - EGR Valve - Left - Also known as the 'combi valve' - Original Equipment Supplier - Audi

Also known as the 'combi valve'

Brand:
Original Equipment Supplier - Corporate Logo
ES#:
2142828
Mfg#:
078131101AB
Back Ordered
5% off MSRP

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

$283.99

This product was last offered at the strikethrough price on
11-05-2026

$268.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oil Separator/Pressure Control Valve (PCV) 06E103547AK

ES#5509505 - 06E103547AK - Oil Separator/Pressure Control Valve (PCV) 06E103547AK - Rein - Audi

2X Entries Into Our F80 M3 Sweepstakes
From production date 5/8/2012 up through the 2015 model year

Brand:
Rein - Corporate Logo
ES#:
5509505
Mfg#:
06E103547AK
Ships in 4 Business Days
$133.99 USD
Free Shipping
on orders $49 and up

Rear Oxygen Sensor - Priced Each

Keep your engine running efficiently Fits the left and right position

Brand:
Facet - Corporate Logo
ES#:
4135683
Mfg#:
06E906265Q
Ships in 2 Business Days
$88.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Emissions Service Kit

ES#11561 - 06f198206 - Emissions Service Kit - Restore proper boost levels with this kit. This kit comes without the PCV seal. - Genuine Volkswagen Audi - Audi

Restore proper boost levels with this kit. This kit comes <b>without</b> the PCV seal. From VIN 8E-6-165001, split is in the 2006 model year

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
11561
Mfg#:
06F198206
In Stock
$265.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Pressure Control Valve

ES#2602299 - 06F129101P - Pressure Control Valve - Also called the "breather valve" or "oil separator" - Vaico - Audi Volkswagen

Also called the "breather valve" or "oil separator" We Price Match - Give Us A Call or Chat!
From production date 12/17/2005

Brand:
Vaico - Corporate Logo
ES#:
2602299
Mfg#:
06F129101P
Ships in 2 Business Days
$87.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor - Rear

ES#3607764 - 8W0906265AJ - Oxygen Sensor - Rear - Keep your engine running efficiently - Genuine Volkswagen Audi - Audi

Keep your engine running efficiently

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3607764
Mfg#:
8W0906265AJ
Ships in 1-2 days
13% off MSRP

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

$303.99

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

$262.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rear Oxygen Sensor - Priced Each

ES#2731859 - 1K0998262S - Rear Oxygen Sensor - Priced Each - Keep your engine running efficiently - Walker - Audi Volkswagen

Keep your engine running efficiently

Brand:
Walker - Corporate Logo
ES#:
2731859
Mfg#:
1K0998262S
Ships in 4 Business Days
$130.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Silicone Breather Hose

ES#2966842 - 034-101-3024 - Silicone Breather Hose - 'S' shaped hose attached to the bleeder valve under the intake manifold - 034Motorsport - Audi Volkswagen

'S' shaped hose attached to the bleeder valve under the intake manifold 2X Entries Into Our F80 M3 Sweepstakes
Engine codes AWM & ATW. Engine code AEB with automatic transmissions

Brand:
034Motorsport - Corporate Logo
ES#:
2966842
Mfg#:
034-101-3024
In Stock
$29.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Front Oxygen Sensor - Priced Each

ES#2834598 - 1K0998262F - Front Oxygen Sensor - Priced Each - Keep your engine running efficiently - NTK - Audi Volkswagen

Keep your engine running efficiently Fits left and right position

Brand:
NTK - Corporate Logo
ES#:
2834598
Mfg#:
1K0998262F
Ships in 2 Business Days
$258.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Pressure Control Valve (PCV) - (19mm)

ES#4818431 - 06A129101D - Pressure Control Valve (PCV) - (19mm) - Located on the intake hose leading to the turbo inlet - Bremmen Parts - Audi Volkswagen

Located on the intake hose leading to the turbo inlet 10X Entries Into Our F80 M3 Sweepstakes

Engine code AWM

Brand:
Bremmen Parts - Corporate Logo
ES#:
4818431
Mfg#:
06A129101D
In Stock
ON SALE!
$9.59 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Pressure Control Valve (PCV) Assembly

ES#3130040 - 078103235B - Pressure Control Valve (PCV) Assembly - Complete breather hose assembly that includes the PCV valve - Vaico - Audi

Complete breather hose assembly that includes the PCV valve We Price Match - Give Us A Call or Chat!
Manual transmission vehicles up to VIN 8D-1-053000, split is in the 2001 model year

Brand:
Vaico - Corporate Logo
ES#:
3130040
Mfg#:
078103235B
Back Ordered
$257.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Exhaust Gas Recirculation Valve (Intercooler Mounted)

ES#2988640 - 04L131501S - Exhaust Gas Recirculation Valve (Intercooler Mounted) - Controls EGR flow into the intake - Genuine Volkswagen Audi - Audi Volkswagen

Controls EGR flow into the intake

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2988640
Mfg#:
04L131501S
Ships in 4 Business Days
9% off MSRP

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

$281.99

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

$256.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Performance Baffled Oil Catch Can & Bracket

ES#3096719 - 010371ECS01KT2 - Performance Baffled Oil Catch Can & Bracket - Includes our Baffled Oil Catch Can with the B7 specific mounting bracket for custom applications - ECS - Audi

Includes our Baffled Oil Catch Can with the B7 specific mounting bracket for custom applications 10X Entries Into Our F80 M3 Sweepstakes

This kit does not include the PCV adapter, block off plate, or lines

Brand:
ECS - Corporate Logo
ES#:
3096719
Mfg#:
010371ECS01KT2
In Stock
ON SALE! SAVE 15%
$301.99

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

$256.69 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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