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Audi A3 Engine Emission Parts

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Front Oxygen Sensor

ES#5424684 - 1K0998262AD - Front Oxygen Sensor - Located before catalytic converter, restore mileage and clear codes - URO - Audi Volkswagen

Located before catalytic converter, restore mileage and clear codes 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:
URO - Corporate Logo
ES#:
5424684
Mfg#:
1K0998262AD
Ships in 2 Business Days
$84.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

PCV Breather Hose

ES#3085998 - 06J103213D - PCV Breather Hose - Located at rear of PCV - Vaico - Audi Volkswagen

Located at rear of PCV We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
3085998
Mfg#:
06J103213D
In Stock at Vendor
$86.99

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

$83.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Gas Cap

ES#2104009 - 8P0201550D - Gas Cap - Includes seal and retaining strap - Genuine Volkswagen Audi - Audi

Includes seal and retaining strap

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2104009
Mfg#:
8P0201550D
In Stock at Vendor
$84.99

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

$82.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor

ES#3624989 - 06J906262AA - Oxygen Sensor - FAE - Audi

Front

Brand:
FAE - Corporate Logo
ES#:
3624989
Mfg#:
06J906262AA
Ships on Aug 12, 2026
$81.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Vacuum Pump Gasket

ES#280454 - 06D145117A - Vacuum Pump Gasket - Recommended to be replaced when replacing vacuum pump. 56mm - Genuine Volkswagen Audi - Audi Volkswagen

Recommended to be replaced when replacing vacuum pump. 56mm For vehicles with FSI engines only

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
280454
Mfg#:
06D145117A
Ships in 3 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.

$45.99

This product was last offered at the strikethrough price on
07-19-2026

$40.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Valve Cover Breather Adapter - 21mm Nipple Fittings

ES#3432298 - 034-101-5004 - Valve Cover Breather Adapter - 21mm Nipple Fittings - DIY breather port adapter to allow a provision for custom catch can setups on 2.0T FSI - 034Motorsport - Audi Volkswagen

DIY breather port adapter to allow a provision for custom catch can setups on 2.0T FSI FSI Engines only - To be used for DIY custom catch can setups

Brand:
034Motorsport - Corporate Logo
ES#:
3432298
Mfg#:
034-101-5004
Ships in 3 Business Days
ON SALE! SAVE 10%
$90.00

This product was last offered at the strikethrough price on
06-28-2026

$81.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Front Oxygen Sensor

ES#2894636 - 03G906262A - Front Oxygen Sensor - Located before catalytic converter, restore mileage and clear codes - Vemo - Audi Volkswagen

Located before catalytic converter, restore mileage and clear codes

Brand:
Vemo - Corporate Logo
ES#:
2894636
Mfg#:
03G906262A
Special Order: No Guaranteed ETA
$80.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Vacuum Pump Gasket

ES#3046090 - 06H103121J - Vacuum Pump Gasket - Recommended to be replaced when replacing vacuum pump. - Victor Reinz - Audi Volkswagen

Recommended to be replaced when replacing vacuum pump.

Brand:
Victor Reinz - Corporate Logo
ES#:
3046090
Mfg#:
06H103121J
Ships in 1-2 days
$13.99

This product was last offered at the strikethrough price on
05-29-2026

$8.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

BFI FSI CrankCase Breather Adapter W/ Twin -8 To Flare Fittings

ES#5426248 - EBFI7001220C - BFI FSI CrankCase Breather Adapter W/ Twin -8 To Flare Fittings - This simple machined piece gives a clean and OEM look to your engine bay. - Black Forest Industries - Audi Volkswagen

This simple machined piece gives a clean and OEM look to your engine bay. For vehicles with FSI engines

Brand:
Black Forest Industries - Corporate Logo
ES#:
5426248
Mfg#:
EBFI7001220C
Ships on Aug 11, 2026
$79.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Leak Detection Pump Hose

ES#2738141 - 5Q0906272 - Leak Detection Pump Hose - Connects the leak detection pump to the filter - Genuine Volkswagen Audi - Audi

Connects the leak detection pump to the filter

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2738141
Mfg#:
5Q0906272
Ships in 3 Business Days
$79.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Bolt - Priced Each

ES#468297 - N10482701 - Bolt - Priced Each - Install new hardware with your new parts. M6x35 - Genuine Volkswagen Audi - Audi Volkswagen

Install new hardware with your new parts. M6x35

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
468297
Mfg#:
N10482701
Ships in 3 Business Days
$4.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Universal Oxygen Sensor Bung - Priced Each

ES#5051 - ATP-FLS-022 - Universal Oxygen Sensor Bung - Priced Each - Stainless steel weld-in nut for any O2 sensor - ATP - Audi BMW Volkswagen

Stainless steel weld-in nut for any O2 sensor

Brand:
ATP - Corporate Logo
ES#:
5051
Mfg#:
ATP-FLS-022
Ships in 7 Business Days
$12.95 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

PCV Breather Hose

ES#3438754 - 06F103221H - PCV Breather Hose - Connects the PCV valve to intake manifold - Rein - Audi Volkswagen

Connects the PCV valve to intake manifold 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
For vehicles with FSI engines only

Brand:
Rein - Corporate Logo
ES#:
3438754
Mfg#:
06F103221H
In Stock at Vendor
$25.88 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rubber Mount - Priced Each

ES#279476 - 06A133567A - Rubber Mount - Priced Each - Secures the secondary air injection pump to the bracket - Genuine Volkswagen Audi - Audi Volkswagen

Secures the secondary air injection pump to the bracket

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
279476
Mfg#:
06A133567A
In Stock
Limited Qty Sale
$29.99

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

$24.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Breather Tube Gasket

ES#9880 - 06f145757f - Breather Tube Gasket - Required when replacing breather tube - Genuine Volkswagen Audi - Audi Volkswagen

Required when replacing breather tube

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
9880
Mfg#:
06F145757F
In Stock
31% off MSRP

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

$2.90

This product was last offered at the strikethrough price on
07-19-2026

$1.99 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

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Manufacturer names and/or part numbers are used only for identification purposes.

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