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Audi Engine Emission Parts

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PCV / Intake Block Off Cap

ES#2864670 - 004136ecs02 - PCV / Intake Block Off Cap - Used to plug the PCV or intake manifold side port on TSI or FSI engines - ECS - Audi Volkswagen

Used to plug the PCV or intake manifold side port on TSI or FSI engines 10X Entries Into Our F80 M3 Sweepstakes

For vehicles with plastic intake manifolds

Brand:
ECS - Corporate Logo
ES#:
2864670
Mfg#:
004136ECS02
In Stock
ON SALE! SAVE 35%
$75.99

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

$49.13 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Pressure Control Valve (PCV)

ES#1928559 - 06F129101P - 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" From production date 12/17/2005

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
1928559
Mfg#:
06F129101P
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.

$144.99

This product was last offered at the strikethrough price on
09-08-2026

$128.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

-10AN ORB X 3/4" Hose Barb Fitting Assembly - Priced Each

ES#3187875 - 003779ECS10 - -10AN ORB X 3/4" Hose Barb Fitting Assembly - Priced Each - Universal fitting for ECS Tuning Catch can to use a 3/4" Hose - ECS - Audi BMW Volkswagen MINI

Universal fitting for ECS Tuning Catch can to use a 3/4" Hose 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
3187875
Mfg#:
003779ECS10
In Stock
ON SALE! SAVE 25%
$39.99

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

$29.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Gas Cap

ES#2832685 - 8K0201550N - Gas Cap - Includes seal and retaining strap - Genuine Volkswagen Audi - Audi

Includes seal and retaining strap

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2832685
Mfg#:
8K0201550N
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.

$73.33

This product was last offered at the strikethrough price on
09-08-2026

$66.95 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Separator/PCV Valve

ES#4213747 - 06K103495BL - Oil Separator/PCV Valve - Also called the "breather valve" or "oil separator" - Rein - 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:
Rein - Corporate Logo
ES#:
4213747
Mfg#:
06K103495BL
Back Ordered
Auto Notify
ON SALE!
$124.99

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

$118.74 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

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 Into Our F80 M3 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

Oxygen Sensor - Priced Each

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

1.8T Silicone Vacuum Hose Set - EGR

ES#5434485 - 056390la03KT - 1.8T Silicone Vacuum Hose Set - EGR - Replace your factory rubber vacuum lines with our durable silicone upgrade! - ECS - Audi Volkswagen

Replace your factory rubber vacuum lines with our durable silicone upgrade! 10X Entries Into Our F80 M3 Sweepstakes
Engine code AWP only

Brand:
ECS - Corporate Logo
ES#:
5434485
Mfg#:
056390LA03KT
In Stock
ON SALE!
$109.99

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

$104.05 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Valve Cover PCV Adapter Plate

ES#2931590 - 006235ECS01 - Valve Cover PCV Adapter Plate - Add a catch can to your stock valve cover with this billet breather adapter - ECS - Audi Volkswagen

Add a catch can to your stock valve cover with this billet breather adapter 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
2931590
Mfg#:
006235ECS01
In Stock
ON SALE! SAVE 15%
$90.99

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

$77.34 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Shouldered Nut - Priced Each

ES#466552 - N01508210 - Shouldered Nut - Priced Each - Install new hardware with your new parts. M6 - Genuine Volkswagen Audi - Audi Volkswagen

Install new hardware with your new parts. M6

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
466552
Mfg#:
N01508210
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.

$3.55

This product was last offered at the strikethrough price on
09-08-2026

$3.44 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Vacuum Pump

ES#4376419 - 06E145100R - Vacuum Pump - Generates vacuum when under positive pressure - URO - Audi Volkswagen

Generates vacuum when under positive pressure 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
4376419
Mfg#:
06E145100R
In Stock
$134.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Silicone PCV hose upgrade kit

ES#2770974 - 3599ECS01 - Silicone PCV hose upgrade kit - Replace your failure-prone PCV hoses with an end-all cure, silicone PCV hose kit! - ECS - Audi Volkswagen

Replace your failure-prone PCV hoses with an end-all cure, silicone PCV hose kit! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
2770974
Mfg#:
3599ECS01
Ships on Oct 21, 2026
ON SALE! SAVE 30%
$190.54

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

$133.38 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Breather Tube

ES#4657785 - 06E103207AP - Breather Tube - Connects the breather assembly to the intake pipe - VNE - Audi

Connects the breather assembly to the intake pipe From production date 5/1/2012

Brand:
VNE - Corporate Logo
ES#:
4657785
Mfg#:
06E103207AP
Ships in 1-2 days
$133.99

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

$115.99 USD
Free Shipping
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 day
7% off MSRP

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

$512.99

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

$475.99 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

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

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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