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Audi A4 Engine Emission Parts

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PCV Breather Hose

ES#281099 - 06F103235A - PCV Breather Hose - Connects the PCV valve to oil filter adapter - Genuine Volkswagen Audi - Audi Volkswagen

Connects the PCV valve to oil filter adapter affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
281099
Mfg#:
06F103235A
Ships in 2 Business Days
7% off MSRP

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

$103.99

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

$96.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Rear Oxygen Sensor

ES#281027 - 06E906265P - Rear Oxygen Sensor - Clear codes and restore fuel mileage - Genuine Volkswagen Audi - Audi

Clear codes and restore fuel mileage affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Position is right side after catalyst.

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
281027
Mfg#:
06E906265P
Ships in 3 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.

$315.99

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

$288.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Pressure Control Valve (PCV)

ES#4883910 - 06F129101R - Pressure Control Valve (PCV) - Also called the "breather valve" or "oil separator" - Rein - 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!
Up to production date 12/16/2005

Brand:
Rein - Corporate Logo
ES#:
4883910
Mfg#:
06F129101R
In Stock
$31.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Separator Gasket

ES#3419785 - 06H103517D - Oil Separator Gasket - Seal between the oil separator and the engine block - Elring - Audi

Seal between the oil separator and the engine block affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Elring - Corporate Logo
ES#:
3419785
Mfg#:
06H103517D
In Stock
$12.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Pressure Control Valve (PCV) - (19mm)

ES#2598289 - 06A129101D - Pressure Control Valve (PCV) - (19mm) - Located on the intake hose leading to the turbo inlet - URO - Audi Volkswagen

Located on the intake hose leading to the turbo inlet affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!
Engine code AWM

Brand:
URO - Corporate Logo
ES#:
2598289
Mfg#:
06A129101D
In Stock
$19.37

This product was last offered at the strikethrough price on
05-12-2026

$14.94 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Pressure Control Valve (PCV) - (25mm)

ES#4743014 - 06A129101F - Pressure Control Valve (PCV) - (25mm) - Located on the intake hose leading to the turbo inlet - Bremmen Parts - Audi Volkswagen

Located on the intake hose leading to the turbo inlet affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Fits from VIN 8E-4-000 001 - Split is in the 2004 model year

Brand:
Bremmen Parts - Corporate Logo
ES#:
4743014
Mfg#:
06A129101F
Ships on Sep 2, 2026
ON SALE! SAVE 21%
$58.99

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

$46.50 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor Thread Chaser

ES#4001163 - CTA2068 - Oxygen Sensor Thread Chaser - Remove rust and dirt for easy installation with this tool - CTA Tools - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Remove rust and dirt for easy installation with this tool affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
CTA Tools - Corporate Logo
ES#:
4001163
Mfg#:
CTA2068
Ships on Jun 23, 2026
Auto Notify
$11.41 USD
Free Shipping
on orders $49 and up
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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary 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 10%
$295.99

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

$266.39 USD
Free Shipping
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. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
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

Crankcase Breather Hose - With PCV Valve

ES#2803647 - 078103224R - Crankcase Breather Hose - With PCV Valve - Large breather hose that runs around the intake manifold - Rein - Audi Volkswagen

Large breather hose that runs around the intake manifold affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
2803647
Mfg#:
078103224R
Ships in 1 Business Day
$52.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

EGR Valve Gasket - Priced Each

ES#2718617 - 078131120K - EGR Valve Gasket - Priced Each - Ensure a proper seal - Elring - Audi Volkswagen

Ensure a proper seal affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Elring - Corporate Logo
ES#:
2718617
Mfg#:
078131120K
In Stock
$5.14 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Breather Hose Elbow

ES#3194560 - 06A103213AM - Breather Hose Elbow - Connects the oil filter adapter to the hard breather tube - URO - Audi Volkswagen

Connects the oil filter adapter to the hard breather tube affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!
From VIN 8E-4-000001, split is in the 2004 model year

Brand:
URO - Corporate Logo
ES#:
3194560
Mfg#:
06A103213AM
Ships in 1 Business Day
$11.99

This product was last offered at the strikethrough price on
06-05-2026

$10.79 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

RS5 Gas Cap

ES#4428997 - 8W0201550J - RS5 Gas Cap - Fuel filler cap with Audi 'RS' logo - Includes retaining strap - Genuine Volkswagen Audi - Audi

Fuel filler cap with Audi 'RS' logo - Includes retaining strap affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4428997
Mfg#:
8W0201550J
Ships on Jun 24, 2026
9% off MSRP

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

$69.99

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

$63.99 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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary 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 on Aug 10, 2026
Auto Notify
ON SALE!
$268.99

This product was last offered at the strikethrough price on
01-29-2026

$254.09 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Secondary Oil Separator

ES#4818092 - 06H103464L - Secondary Oil Separator - Mounted to the side of the engine block - Bremmen Parts - Audi Volkswagen

Mounted to the side of the engine block affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4818092
Mfg#:
06H103464L
Ships on Aug 10, 2026
Auto Notify
ON SALE! SAVE 21%
$31.99

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

$25.29 USD
Free Shipping
on orders $49 and up

Air Pump Hose

ES#2207885 - 058133785B - Air Pump Hose - Connects the metal pipes in the air pump system - MTC - Audi Volkswagen

Connects the metal pipes in the air pump system affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
MTC - Corporate Logo
ES#:
2207885
Mfg#:
058133785B
In Stock
$22.99 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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