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Audi Engine Emission Parts

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Oxygen Sensor - Priced Each

ES#2568696 - 16986 - Oxygen Sensor - Priced Each - Keep your engine running efficiently - Bosch - Audi Volkswagen

Keep your engine running efficiently 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
Fits left and right rear position

Brand:
Bosch - Corporate Logo
ES#:
2568696
Mfg#:
16986
In Stock
$144.99

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

$139.71 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Separator/Pressure Control Valve (PCV)

ES#5372821 - 06M103515T - Oil Separator/Pressure Control Valve (PCV) - Also known as the "PCV". Located on the valve cover - Genuine Volkswagen Audi - Audi

Also known as the "PCV". Located on the valve cover

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
5372821
Mfg#:
06M103515T
In Stock
6% off MSRP

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

$128.33

This product was last offered at the strikethrough price on
07-24-2026

$119.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Secondary Air Injection Valve

ES#3082333 - 06J131097D - Secondary Air Injection Valve - Also referred to as the combi valve - Pierburg - Audi Volkswagen

Also referred to as the combi valve Engine code CBFA

Brand:
Pierburg - Corporate Logo
ES#:
3082333
Mfg#:
06J131097D
In Stock
$458.99

This product was last offered at the strikethrough price on
03-19-2026

$276.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Hex Bolt - Priced Each

ES#471823 - N91071701 - Hex Bolt - Priced Each - Install new hardware with your new parts. M6x25 - Genuine Volkswagen Audi - Audi Volkswagen

Install new hardware with your new parts. M6x25 Secures the left Combi valve to the engine

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
471823
Mfg#:
N91071701
In Stock
33% off MSRP

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

$2.94

This product was last offered at the strikethrough price on
07-24-2026

$1.96 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Crankcase Vent Valve

ES#2536138 - 079103704N - Crankcase Vent Valve - Commonly called 'PCV' or 'Oil Separator' - Located in the valley between the cylinder heads - Genuine Volkswagen Audi - Audi

Commonly called 'PCV' or 'Oil Separator' - Located in the valley between the cylinder heads

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2536138
Mfg#:
079103704N
Ships in 1-2 days
8% off MSRP

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

$251.99

This product was last offered at the strikethrough price on
07-24-2026

$230.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

034Motorsport Catch Can Kit - EA839 RS4/RS5

ES#4849700 - 034-101-1018 - 034Motorsport Catch Can Kit - EA839 RS4/RS5 - Engineered for enhanced durability to capture crankcase oil deposits before entering your intake tract - 034Motorsport - Audi

Engineered for enhanced durability to capture crankcase oil deposits before entering your intake tract

Brand:
034Motorsport - Corporate Logo
ES#:
4849700
Mfg#:
034-101-1018
Back Ordered
Auto Notify
$730.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Billet Fuel Cap Cover - Black Anodized

ES#3677064 - 022506ECS0102 - Billet Fuel Cap Cover - Black Anodized - Upgrade your gas cap to our gorgeous CNC-machined aluminum cover. Easily installs over your existing cap! - ECS - Audi Volkswagen Porsche

Upgrade your gas cap to our gorgeous CNC-machined aluminum cover. Easily installs over your existing cap! 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3677064
Mfg#:
022506ECS0102
In Stock
$120.99 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
Limited Qty Sale
$293.82

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

$270.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Pressure Control Valve (PCV) Repair Kit

ES#3659030 - 06h103495ahktKT - Pressure Control Valve (PCV) Repair Kit - Also called the "breather valve" or "oil separator". Located on top of the valve cover. - Assembled By ECS - Audi Volkswagen

Also called the "breather valve" or "oil separator". Located on top of the valve cover. 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
3659030
Mfg#:
06H103495AHKTKT
In Stock
ON SALE!
$90.51

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

$87.88 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Emissions Service Kit

ES#11562 - 06F198207 - Emissions Service Kit - Restore proper boost levels with this kit. This kit comes with the PCV seal. - Assembled By ECS - Audi

Restore proper boost levels with this kit. This kit comes with the PCV seal. 10X Entries For Our 25th Anniversary Sweepstakes!
From VIN 8E-6-165001, split is in the 2006 model year

Brand:
Assembled By ECS - Corporate Logo
ES#:
11562
Mfg#:
06F198207
In Stock
ON SALE!
$192.99

This product was last offered at the strikethrough price on
06-15-2026

$186.80 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 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 at Vendor
$29.99

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

$28.99 USD
Free Shipping
on orders $49 and up
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

Rear Oxygen Sensor - Priced Each

ES#4069386 - 06E906265Q - Rear Oxygen Sensor - Priced Each - Fits left and right side - Bosch - Audi

Fits left and right side 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
4069386
Mfg#:
06E906265Q
In Stock
$192.18 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Breather Tube

ES#2570511 - 06E103217AF - Breather Tube - Connects to both valve covers to the PCV adapter vent tube - Genuine Volkswagen Audi - Audi

Connects to both valve covers to the PCV adapter vent tube From production date 4/31/12

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2570511
Mfg#:
06E103217AF
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.

$278.99

This product was last offered at the strikethrough price on
07-23-2026

$259.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor - Priced Each

ES#2539127 - 1K0998262D - Oxygen Sensor - Priced Each - Keep your engine running efficiently - Bosch - Audi Volkswagen

Keep your engine running efficiently 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
2539127
Mfg#:
1K0998262D
In Stock
$193.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oil Separator/Pressure Control Valve (PCV)

ES#4623255 - 06E103547AB - Oil Separator/Pressure Control Valve (PCV) - Located beneath the supercharger compressor - URO - Audi

Located beneath the supercharger compressor 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
4623255
Mfg#:
06E103547AB
In Stock
ON SALE!
$127.99

This product was last offered at the strikethrough price on
07-12-2026

$121.59 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.

Other Audi Engine Emission Parts

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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