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Audi Engine Emission Parts

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Front Oxygen Sensor - Priced Each

ES#3420004 - 4H0906262H - Front Oxygen Sensor - Priced Each - Keep your engine running efficiently - Bosch - Audi

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

Brand:
Bosch - Corporate Logo
ES#:
3420004
Mfg#:
4H0906262H
In Stock
$102.34

This product was last offered at the strikethrough price on
08-02-2026

$96.71 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Secondary Air Injection Pump

ES#284127 - 078906601M - Secondary Air Injection Pump - Keep your engine running efficiently - Genuine Volkswagen Audi - Audi Volkswagen

Keep your engine running efficiently

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
284127
Mfg#:
078906601M
Ships in 2 Business Days
11% off MSRP

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

$857.99

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

$764.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Vacuum Pump Replacement Kit

ES#3508350 - 06J145100PKT - Vacuum Pump Replacement Kit - Includes pump, gasket, and hardware for a complete cylinder-head mounted vacuum pump replacement. - Genuine Volkswagen Audi - Audi

Includes pump, gasket, and hardware for a complete cylinder-head mounted vacuum pump replacement.

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3508350
Mfg#:
06J145100PKT
Ships in 1 day
$801.69

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

$761.26 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor - Priced Each

Rear Left - Downstream We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
4818210
Mfg#:
4H0906262M
Ships in 1 Business Day
$174.99

This product was last offered at the strikethrough price on
05-07-2026

$151.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Vacuum Pump

ES#2224481 - 06E145100T - Vacuum Pump - Generates vacuum when under positive pressure - Genuine Volkswagen Audi - Audi

Generates vacuum when under positive pressure

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2224481
Mfg#:
06E145100T
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.

$830.99

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

$748.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Leak Detection Pump

ES#440757 - 8E0906201K - Leak Detection Pump - Diagnosis pump for fuel system - Genuine Volkswagen Audi - Audi

Diagnosis pump for fuel system

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
440757
Mfg#:
8E0906201K
In Stock
10% off MSRP

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

$415.00

This product was last offered at the strikethrough price on
10-26-2026

$373.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Breather Line

ES#284348 - 079103217S - Breather Line - Includes the coupling element - Genuine Volkswagen Audi - Audi

Includes the coupling element

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
284348
Mfg#:
079103217S
Ships in 1 day
13% off MSRP

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

$285.00

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

$247.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Emissions Service Kit

ES#2219669 - 06A103213F - Emissions Service Kit - Complete PCV Refresh Kit for your engine - Assembled By ECS - Audi

Complete PCV Refresh Kit for your engine 10X Entries Into Our F80 M3 Sweepstakes
Up to VIN 8E-3-040000, split is in the 2003 model year

Brand:
Assembled By ECS - Corporate Logo
ES#:
2219669
Mfg#:
06A103213F
Ships in 4 Business Days
ON SALE!
$255.99

This product was last offered at the strikethrough price on
06-17-2026

$247.01 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Reinforced Silicone Breather Hose Kit

ES#2864538 - 034-101-3002 - Reinforced Silicone Breather Hose Kit - Upgrade from weaker rubber hoses - 034Motorsport - Audi Volkswagen

Upgrade from weaker rubber hoses 2X Entries Into Our F80 M3 Sweepstakes
Engine code AWM

Brand:
034Motorsport - Corporate Logo
ES#:
2864538
Mfg#:
034-101-3002
Ships in 2 Business Days
$246.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Valve Cover

ES#3627421 - 03L103469AD - Valve Cover - Includes PCV, oil cap and valve cover gasket - Genuine Volkswagen Audi - Audi Volkswagen

Includes PCV, oil cap and valve cover gasket

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3627421
Mfg#:
03L103469AD
Ships in 1 day
12% off MSRP

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

$420.99

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

$368.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

PCV Service Kit

ES#4829950 - 06K103495BLKT1 - PCV Service Kit - Everything you need to replace a faulty PCV or to perform some preventative maintenance - Assembled By ECS - Audi

Everything you need to replace a faulty PCV or to perform some preventative maintenance 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
4829950
Mfg#:
06K103495BLKT1
Back Ordered
$300.99

This product was last offered at the strikethrough price on
06-07-2026

$245.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Purge Valve

ES#4069460 - 06H906517B - Purge Valve - Replace your failing purge valve - Bosch - Audi Volkswagen

Replace your failing purge valve We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
4069460
Mfg#:
06H906517B
Ships in 4 Business Days
$39.79 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thin Wall Oxygen Sensor Socket

ES#4001177 - CTA2064 - Thin Wall Oxygen Sensor Socket - Out of space? Use this thin wall socket. - CTA Tools - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Out of space? Use this thin wall socket.

Brand:
CTA Tools - Corporate Logo
ES#:
4001177
Mfg#:
CTA2064
In Stock
$17.85 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Vacuum Pump

ES#3712315 - 06E145100R - Vacuum Pump - Generates vacuum when under positive pressure - Rein - Audi Volkswagen

Generates vacuum when under positive pressure 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
3712315
Mfg#:
06E145100R
Ships in 3 Business Days
$712.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Emissions Service Kit

ES#2878592 - 06F129101Pkit - Emissions Service Kit - Everything you need to service your PCV system - Vaico - Audi Volkswagen

Everything you need to service your PCV system We Price Match - Give Us A Call or Chat!
For vehicles with FSI engines from VIN 8P-6-069001, split is in the 2006 model year

Brand:
Vaico - Corporate Logo
ES#:
2878592
Mfg#:
06F129101PKIT
In Stock
$236.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Emissions Service Kit

ES#2593532 - 06H103495EKT1 - Emissions Service Kit - Everything you need to replace a faulty PCV valve - Genuine Volkswagen Audi - Audi

Everything you need to replace a faulty PCV valve Up to the 2012 model year

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2593532
Mfg#:
06H103495EKT1
Ships in 2 Business Days
$775.66

This product was last offered at the strikethrough price on
05-07-2026

$710.08 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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