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Audi A3 Engine Emission Parts

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Silicone Upper PCV Hose Kit

ES#3612684 - 023473ECS03 - Silicone Upper PCV Hose Kit - 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 engines only

Brand:
ECS - Corporate Logo
ES#:
3612684
Mfg#:
023473ECS03
In Stock
ON SALE! SAVE 25%
$61.99

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

$46.49 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Pressure Control Valve (PCV)

ES#2715561 - 06F129101R - 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" For vehicles with FSI engines up to VIN 8P-6-069000, split is in the 2006 model year

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2715561
Mfg#:
06F129101R
In Stock at Vendor
5% off MSRP

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

$133.99

This product was last offered at the strikethrough price on
04-16-2026

$126.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Gas Cap

ES#315701 - 1K0201550F - Gas Cap - Click style replacement gas cap, no threads - Genuine Volkswagen Audi - Audi Volkswagen

Click style replacement gas cap, no threads For vehicles with bayonet/twist lock style gas cap

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
315701
Mfg#:
1K0201550F
In Stock
9% off MSRP

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

$51.65

This product was last offered at the strikethrough price on
05-04-2026

$46.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Solenoid Valve - Priced Each

ES#274849 - 037906283C - Solenoid Valve - Priced Each - Common cure for DTC P0441 - Genuine Volkswagen Audi - Audi Volkswagen

Common cure for DTC P0441 Intake flap control solenoid

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
274849
Mfg#:
037906283C
In Stock
16% off MSRP

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

$216.65

This product was last offered at the strikethrough price on
03-18-2026

$181.89 USD
Free Shipping
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!

Brand:
APR - Corporate Logo
ES#:
4487796
Mfg#:
MS100217
In Stock
11% off MSRP

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

$562.99

This product was last offered at the strikethrough price on
09-06-2026

$499.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Front Oxygen Sensor - Priced Each

ES#4069801 - 06J906262T - Front 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!
Engine code CBFA - For the front position before the catalyst (6-Pin)

Brand:
Bosch - Corporate Logo
ES#:
4069801
Mfg#:
06J906262T
Ships in 1 Business Day
$159.99

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

$142.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Vacuum Pump Gasket

ES#3432705 - 06H103121J - Vacuum Pump Gasket - Recommended to be replaced when replacing vacuum pump. - Elring - Audi Volkswagen

Recommended to be replaced when replacing vacuum pump. 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Elring - Corporate Logo
ES#:
3432705
Mfg#:
06H103121J
In Stock
$8.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

VALVE

ES#3627464 - 06K131097AA - VALVE - Genuine Volkswagen Audi - Audi Volkswagen

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3627464
Mfg#:
06K131097AA
Ships in 1-2 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.

$370.99

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

$344.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Front Oxygen Sensor - Priced Each

ES#3678737 - 06K906262CS - Front Oxygen Sensor - Priced Each - Keep your engine running efficiently - Genuine Volkswagen Audi - Audi Volkswagen

Keep your engine running efficiently

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3678737
Mfg#:
06K906262CS
In Stock
ON SALE! SAVE 20%
$293.82

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

$234.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Secondary Air Pump

ES#3561945 - 04E959231C - Secondary Air Pump - A common cause of emissions issues - Genuine Volkswagen Audi - Audi Volkswagen

A common cause of emissions issues

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3561945
Mfg#:
04E959231C
Ships in 1-2 days
ON SALE! SAVE 25%
$465.99

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

$349.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor - Left (Cylinders 4-6)

ES#2162754 - 1K0998262N - Oxygen Sensor - Left (Cylinders 4-6) - Found before the catalytic converter - Bosch - Audi Volkswagen

Found before the catalytic converter We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
2162754
Mfg#:
1K0998262N
Ships in 1 Business Day
$239.99

This product was last offered at the strikethrough price on
04-10-2026

$223.99 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. 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bav Auto Tools - Corporate Logo
ES#:
3673911
Mfg#:
B8800066
Ships on Sep 30, 2026
Auto Notify
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

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 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
2515457
Mfg#:
51731257971KT
In Stock
ON SALE!
$47.99

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

$46.58 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

PCV Breather Hose

ES#4883727 - 06K103213J - PCV Breather Hose - Connects the PCV valve to turbo inlet hose - Rein - Audi Volkswagen

Connects the PCV valve to turbo inlet hose 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
4883727
Mfg#:
06K103213J
In Stock
ON SALE!
$41.99

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

$39.89 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 2X Entries Into Our F80 M3 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
ON SALE! SAVE 13%
$60.99

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

$53.19 USD
Free Shipping
on orders $49 and up
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 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Elring - Corporate Logo
ES#:
4770409
Mfg#:
06H103484A
In Stock
$28.99

This product was last offered at the strikethrough price on
07-31-2026

$16.99 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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