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Audi A3 Engine Emission Parts

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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 We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
1893854
Mfg#:
1K0998262T
In Stock
$165.99

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

$120.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Charcoal Canister

ES#3640724 - 5Q0201797L - Charcoal Canister - Keep your fuel system efficient - Genuine Volkswagen Audi - Audi Volkswagen

Keep your fuel system efficient

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3640724
Mfg#:
5Q0201797L
In Stock
14% off MSRP

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

$395.63

This product was last offered at the strikethrough price on
08-23-2026

$338.66 USD
Free Shipping
on orders $49 and up
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" 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

This product was last offered at the strikethrough price on
06-10-2026

$64.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

VWR Billet Fuel Filler Cap - Push & Twist Type

ES#4040601 - vwr19G711 - VWR Billet Fuel Filler Cap - Push & Twist Type - Beautifully over-engineered in customary RacingLine fashion to give an exquisite feel and beautiful appearance - Make refueling a pleasure! - Racingline - Audi Volkswagen Porsche

Beautifully over-engineered in customary RacingLine fashion to give an exquisite feel and beautiful appearance - Make refueling a pleasure! For vehicles with bayonet/twist lock style gas cap only. Please confirm prior to ordering.

Brand:
Racingline - Corporate Logo
ES#:
4040601
Mfg#:
VWR19G711
In Stock
$137.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

AdBlue DEF Fluid - 9.46 Liters

ES#465436 - GUS052910A3 - AdBlue DEF Fluid - 9.46 Liters - Diesel exhaust fluid - Genuine Volkswagen Audi - Audi BMW Volkswagen Mercedes Benz

Diesel exhaust fluid

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
465436
Mfg#:
GUS052910A3
In Stock
$38.42 USD
Free Shipping
on orders $49 and up

7/8"(22mm) Flexible Oxygen Sensor Wrench

ES#240942 - FO-78 - 7/8"(22mm) Flexible Oxygen Sensor Wrench - The proper tool to remove difficult-to-reach oxygen sensors - Schwaben - Audi BMW Volkswagen Mercedes Benz MINI Porsche
ECS Tuning recommends this product.

The proper tool to remove difficult-to-reach oxygen sensors 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Schwaben - Corporate Logo
ES#:
240942
Mfg#:
FO-78
Ships on Dec 1, 2026
ON SALE! SAVE 25%
$48.99

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

$36.74 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

TSI Upgraded Silicone PCV Breather Hose (06J103221A)

ES#4906688 - 054529LA03 - TSI Upgraded Silicone PCV Breather Hose (06J103221A) - Replace your failure-prone plastic PCV hose with a durable, long-lasting solution! - ECS - Audi Volkswagen

Replace your failure-prone plastic PCV hose with a durable, long-lasting solution! 10X Entries Into Our F80 M3 Sweepstakes
10X Entries For Our Spin To Win Sweepstakes!
For vehicles with TSI engines only

Brand:
ECS - Corporate Logo
ES#:
4906688
Mfg#:
054529LA03
In Stock
ON SALE! SAVE 15%
$135.99

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

$115.59 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

ECS Tuning Baffled Oil Catch Can - 8oz

ES#4369812 - 003779ECS05-02 - ECS Tuning Baffled Oil Catch Can - 8oz - Capture harmful oil vapors and keep your intake tract clean. Now featuring an easy to empty drain plug! - ECS - Audi BMW Volkswagen MINI

Capture harmful oil vapors and keep your intake tract clean. Now featuring an easy to empty drain plug! 10X Entries Into Our F80 M3 Sweepstakes
For use with custom plumbing and ECS universal mounting bracket kit

Brand:
ECS - Corporate Logo
ES#:
4369812
Mfg#:
003779ECS05-02
In Stock
ON SALE! SAVE 10%
$238.99

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

$215.09 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Separator/PCV Valve

ES#4691260 - 06K103495BL - Oil Separator/PCV Valve - Also called the "breather valve" or "oil separator" - Hamburg Tech - Audi Volkswagen

Also called the "breather valve" or "oil separator" We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
4691260
Mfg#:
06K103495BL
Back Ordered
$89.99

This product was last offered at the strikethrough price on
06-10-2026

$83.95 USD
Free Shipping
on orders $49 and up

Pressure Control Valve (PCV)

ES#4768292 - 06F129101N - 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" 5X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!
For vehicles with FSI engines up to VIN 8P-6-069000, split is in the 2006 model year

Brand:
Hengst - Corporate Logo
ES#:
4768292
Mfg#:
06F129101N
In Stock
$26.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Vapor Canister Check Valve - Kit

ES#4339559 - 06J133781CE - Vapor Canister Check Valve - Kit - Includes 3 hoses, connects to valve cover. Commonly called "Purge Valve" or "N80 Valve." - Hamburg Tech - Audi Volkswagen

Includes 3 hoses, connects to valve cover. Commonly called "Purge Valve" or "N80 Valve." We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
4339559
Mfg#:
06J133781CE
In Stock
$109.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Pressure Control Valve (PCV)

ES#4465428 - 06K103495AG - Pressure Control Valve (PCV) - Also called the "breather valve" or "oil separator" - URO - Audi Volkswagen

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

Brand:
URO - Corporate Logo
ES#:
4465428
Mfg#:
06K103495AG
In Stock
$53.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Pressure Control Valve (PCV)

ES#4699581 - 06K103495BM - Pressure Control Valve (PCV) - Also called the "breather valve" or "oil separator" - Bremmen Parts - Audi Volkswagen

Also called the "breather valve" or "oil separator" 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bremmen Parts - Corporate Logo
ES#:
4699581
Mfg#:
06K103495BM
In Stock
ON SALE! SAVE 24%
$97.99

This product was last offered at the strikethrough price on
10-08-2026

$73.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Silicone Lower PCV Hose (Replaces 06F103235A)

ES#3412048 - 023473ECS02 - Silicone Lower PCV Hose (Replaces 06F103235A) - Replace your failure-prone plastic PCV hose with a long term, high quality solution - ECS - Audi Volkswagen

Replace your failure-prone plastic PCV hose with a long term, high quality solution 10X Entries Into Our F80 M3 Sweepstakes

For vehicles with FSI engine only

Brand:
ECS - Corporate Logo
ES#:
3412048
Mfg#:
023473ECS02
In Stock
ON SALE! SAVE 25%
$75.99

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

$56.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Pressure Control Valve (PCV)

ES#3571737 - 06K103495BM - Pressure Control Valve (PCV) - Also called the "breather valve" or "oil separator" - Genuine Volkswagen Audi - Audi Volkswagen

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

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3571737
Mfg#:
06K103495BM
In Stock
14% off MSRP

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

$258.99

This product was last offered at the strikethrough price on
07-10-2026

$223.10 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Pressure Control Valve (PCV)

ES#3714259 - 06H103495AH - Pressure Control Valve (PCV) - Also called the "breather valve" or "oil separator" - URO - Audi Volkswagen

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

Brand:
URO - Corporate Logo
ES#:
3714259
Mfg#:
06H103495AH
In Stock
$63.99 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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