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Audi A3 Engine Emission Parts

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Universal 4-Wire Oxygen Sensor - Priced Each

ES#2532224 - 15733 - Universal 4-Wire Oxygen Sensor - Priced Each - Four wire universal OBD-II Oxygen sensor - Bosch - Audi BMW Volkswagen

Four wire universal OBD-II Oxygen sensor affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes! 2X Entries For Our 25th Anniversary Sweepstakes! 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
2532224
Mfg#:
15733
In Stock
$82.99

This product was last offered at the strikethrough price on
02-16-2026

$74.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

BMS Double Baffle Oil Catch Can Kit

ES#3514991 - BMS-OCC-MQB - BMS Double Baffle Oil Catch Can Kit - Keep oil out of your intake system! - Burger Motorsports - Audi Volkswagen

Keep oil out of your intake system! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Burger Motorsports - Corporate Logo
ES#:
3514991
Mfg#:
BMS-OCC-MQB
Ships in 2 Business Days
$229.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Separator Bolt - Priced Each

ES#468916 - N10725401 - Oil Separator Bolt - Priced Each - Used to secure the oil separator to the valve cover. M6x20 - Genuine Volkswagen Audi - Audi Volkswagen

Used to secure the oil separator to the valve cover. M6x20 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
468916
Mfg#:
N10725401
In Stock
3% off MSRP

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

$3.38

This product was last offered at the strikethrough price on
06-03-2026

$3.28 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Pressure Control Valve (PCV)

ES#4057351 - 06H103495AK - Pressure Control Valve (PCV) - Also referred to as the breather valve or oil separator - URO - Audi

Also referred to as the breather valve or oil separator affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes! 2X Entries For Our 25th Anniversary Sweepstakes! 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
4057351
Mfg#:
06H103495AK
In Stock
$68.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor Tool - Angled Handle - 7/8" - Bavarian Autosport

ES#3673911 - B8800066 - Oxygen Sensor Tool - Angled Handle - 7/8" - Bavarian Autosport - Slotted, pivoting head has both hexagon and double hexagon drive. Angled handle reaches around obstructions. - Bav Auto Tools - Audi BMW Volkswagen Mercedes Benz MINI Porsche
ECS Tuning recommends this product.

Slotted, pivoting head has both hexagon and double hexagon drive. Angled handle reaches around obstructions. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bav Auto Tools - Corporate Logo
ES#:
3673911
Mfg#:
B8800066
In Stock
ON SALE! SAVE 25%
$49.99

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

$37.49 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

PCV Breather Hose

ES#4135419 - 06J103221A - PCV Breather Hose - Connects PCV to the intake manifold - Hamburg Tech - Audi Volkswagen

Connects PCV to the intake manifold affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
4135419
Mfg#:
06J103221A
In Stock
$27.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

APR Universal PCV Top Plate - 1.8T/2.0T EA888

ES#4487796 - MS100217 - APR Universal PCV Top Plate - 1.8T/2.0T EA888 - Universal/Service part for APR's MS100199 full catch can system - APR - Audi Volkswagen

Universal/Service part for APR's MS100199 full catch can system Call In Or Chat For Best Price! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
APR - Corporate Logo
ES#:
4487796
Mfg#:
MS100217
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.

$546.99

This product was last offered at the strikethrough price on
06-03-2026

$485.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Pressure Control Valve Gasket

ES#4770409 - 06H103484A - Pressure Control Valve Gasket - Ensure a proper seal for the PCV or oil separator - Elring - Audi Volkswagen

Ensure a proper seal for the PCV or oil separator affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes! 2X Entries For Our 25th Anniversary Sweepstakes! 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Elring - Corporate Logo
ES#:
4770409
Mfg#:
06H103484A
In Stock
$29.99

This product was last offered at the strikethrough price on
02-23-2026

$16.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Pressure Control Valve (PCV)

ES#3559040 - 06H103495AH - Pressure Control Valve (PCV) - Also called the "breather valve" or "oil separator" - Vaico - 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!
For vehicles with TSI engines only

Brand:
Vaico - Corporate Logo
ES#:
3559040
Mfg#:
06H103495AH
Ships in 3 Business Days
$132.99

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

$128.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Valve Cover (Catch Can) PCV Adapter Plate

ES#2966733 - 010371ECS03 - Valve Cover (Catch Can) PCV Adapter Plate - Add a catch can to your stock valve cover with this billet breather adapter. For use with -10AN ORB Female Fittings. - ECS - Audi Volkswagen

Add a catch can to your stock valve cover with this billet breather adapter. For use with -10AN ORB Female Fittings. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
2966733
Mfg#:
010371ECS03
Ships on Oct 19, 2026
Auto Notify
ON SALE! SAVE 15%
$183.99

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

$155.83 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Valve Cover Breather Adapter

ES#3432401 - 034-101-5000 - Valve Cover Breather Adapter - Eliminates failure-prone factory PCV and allows a provision for custom catch can setups on 2.0T TFSI/TSI - 034Motorsport - Audi

Eliminates failure-prone factory PCV and allows a provision for custom catch can setups on 2.0T TFSI/TSI affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For use with custom DIY catch can setup - Not direct bolt-on

Brand:
034Motorsport - Corporate Logo
ES#:
3432401
Mfg#:
034-101-5000
Ships in 2 Business Days
$333.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Solenoid Valve - Priced Each

ES#4643076 - 037906283C - Solenoid Valve - Priced Each - Common cure for DTC P0441 - URO - Audi Volkswagen

Common cure for DTC P0441 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes! 2X Entries For Our 25th Anniversary Sweepstakes! 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
Intake flap control solenoid

Brand:
URO - Corporate Logo
ES#:
4643076
Mfg#:
037906283C
In Stock
$45.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Vacuum System Repair Kit

ES#2515457 - 51731257971KT - Vacuum System Repair Kit - Kit includes vacuum T fittings, vacuum line, and one way check valve - Assembled By ECS - Audi Volkswagen

Kit includes vacuum T fittings, vacuum line, and one way check valve affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
2515457
Mfg#:
51731257971KT
In Stock
ON SALE! SAVE 16%
$53.99

This product was last offered at the strikethrough price on
03-03-2026

$45.24 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Pressure Control Valve (PCV) Repair Kit

ES#3658988 - 06h103495aeKT - Pressure Control Valve (PCV) Repair Kit - Also called the "breather valve" or "oil separator". Located on top of the valve cover. - Genuine Volkswagen Audi - Audi

Also called the "breather valve" or "oil separator". Located on top of the valve cover. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3658988
Mfg#:
06H103495AEKT
In Stock
$347.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Pressure Control Valve (PCV)

ES#4883644 - 06H103495AK - Pressure Control Valve (PCV) - Also referred to as the breather valve or oil separator - Rein - Audi

Also referred to as the breather valve or oil separator affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes! 2X Entries For Our 25th Anniversary Sweepstakes! 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
For vehicles with TSI engines only

Brand:
Rein - Corporate Logo
ES#:
4883644
Mfg#:
06H103495AK
In Stock
$60.99

This product was last offered at the strikethrough price on
04-27-2026

$55.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Connecting Pipe

ES#315511 - 1K0131128D - Connecting Pipe - From secondairy air pump to the combi-valve adapter - Genuine Volkswagen Audi - Audi Volkswagen

From secondairy air pump to the combi-valve adapter affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
315511
Mfg#:
1K0131128D
In Stock
17% off MSRP

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

$101.65

This product was last offered at the strikethrough price on
06-03-2026

$84.57 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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