Shop Our Clearance Sale - Up To 80% Off FREE SHIPPING on Orders $49+ *exclusions apply

Menu

Call Us330-331-2003 ChatLive Chat Text Us!
0 Shopping Cart
Your Vehicle

No Vehicle selected
Please select your vehicle below.

    • Audi
    • BMW
    • Mercedes Benz
    • MINI
    • Porsche
    • Volkswagen

Saved Vehicles

My Vehicles
You currently have no stored vehicles.

Recent Vehicles

Recent Vehicles Manage Vehicles

You currently have no recent vehicles.

We'll automatically keep fully selected vehicles here for your convenience.

Call Us330-331-2003 ChatLive Chat Text Us!
Track My Order View Order History Submit a Return Contact Us Wholesale Information Lifetime Replacement Returns and Warranty Information
0
Call Us330-331-2003 ChatLive Chat Text Us!
Track My Order View Order History Submit a Return Contact Us Wholesale Information Lifetime Replacement Returns and Warranty Information
Cancel
0
Sales & Specials
Enter Your Vehicle
garage-red
Your Vehicle Please tap 'Select' to pick a vehicle
Your Vehicle Please tap 'Select' to pick a vehicle
Select

Audi Engine Emission Parts

Sort By
Filter By
Return to Top

Silicone Breather Hose

ES#2966836 - 034-101-3072 - Silicone Breather Hose - Connects the suction jet pump to the intake manifold - 034Motorsport - Audi Volkswagen

Connects the suction jet pump to the intake manifold 2X Entries Into Our F80 M3 Sweepstakes
Engine codes ATW & AWM

Brand:
034Motorsport - Corporate Logo
ES#:
2966836
Mfg#:
034-101-3072
In Stock
$21.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Crankcase Breather Tube

ES#2866151 - 06A103213F - Crankcase Breather Tube - Connects the oil filter adapter to the three-way valve housing - Febi - Audi Volkswagen

Connects the oil filter adapter to the three-way valve housing We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2866151
Mfg#:
06A103213F
Ships in 1 Business Day
$26.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Front Oxygen Sensor - Priced Each

Keep your engine running efficiently 10X Entries Into Our F80 M3 Sweepstakes
Fits the left and right position

Brand:
Bremmen Parts - Corporate Logo
ES#:
5373885
Mfg#:
06E906265AJ
Special Order: No Guaranteed ETA
ON SALE!
$188.09 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Front Oxygen Sensor

ES#2748742 - 07L906262R - Front Oxygen Sensor - Keep your engine running efficiently - Walker - Audi

Keep your engine running efficiently From VIN 4F-8-000001 - BXA Engine Code Only - Cylinders 4 And 5

Brand:
Walker - Corporate Logo
ES#:
2748742
Mfg#:
07L906262R
Ships in 1-2 days
$187.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Secondary Air Injection Hose - Inlet

ES#4810751 - 058133817H - Secondary Air Injection Hose - Inlet - Connects the secondary air pump to the air box - Rein - Audi Volkswagen

Connects the secondary air pump to the air box 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
4810751
Mfg#:
058133817H
In Stock
$46.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Allen Bolt (5mm) - Priced Each

ES#2770514 - N01474011 - Allen Bolt (5mm) - Priced Each - Stainless steel for extra corrosion resistance. M6x16 - ECS - Audi Volkswagen

Stainless steel for extra corrosion resistance. M6x16 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
2770514
Mfg#:
N01474011
In Stock
ON SALE! SAVE 30%
$0.99

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

$0.69 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Secondary Air Injection Valve

Brand:
Pierburg - Corporate Logo
ES#:
4642753
Mfg#:
022131101B
Ships in 1 Business Day
$206.99

This product was last offered at the strikethrough price on
07-18-2026

$185.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Vacuum Solenoid Valve

ES#2897319 - 1K0906283A - Vacuum Solenoid Valve - Electrically controlled vacuum valve - Vemo - Audi Volkswagen

Electrically controlled vacuum valve

Brand:
Vemo - Corporate Logo
ES#:
2897319
Mfg#:
1K0906283A
In Stock
$61.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Breather Hose Connector

ES#3979078 - 06B103221L - Breather Hose Connector - Connects the valve cover to the hard pipe and pressure regulator - URO - Audi

Connects the valve cover to the hard pipe and pressure regulator 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!
From VIN 8E-4-000001, split is in the 2004 model year

Brand:
URO - Corporate Logo
ES#:
3979078
Mfg#:
06B103221L
Ships in 1 Business Day
$30.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Emissions Service Kit

ES#8590 - 06f198205 - 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
Up to VIN 8E-6-165000, split is in the 2006 model year

Brand:
Assembled By ECS - Corporate Logo
ES#:
8590
Mfg#:
06F198205
In Stock
ON SALE!
$200.99

This product was last offered at the strikethrough price on
07-14-2026

$185.43 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Rear breather Line - Center

ES#284340 - 079103209AK - Rear breather Line - Center - Connects the PCV/Oil Separator to the cylinder head - Genuine Volkswagen Audi - Audi

Connects the PCV/Oil Separator to the cylinder head

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
284340
Mfg#:
079103209AK
Ships in 1-2 days
14% off MSRP

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

$213.99

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

$184.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oil Separator Assembly

ES#5492231 - 079103542E - Oil Separator Assembly - Cure high-pitched whistling noises, resolve rough idling, and eliminate massive oil consumption on your twin-turbo 4.0T V8 engine. - Febi - Audi

Cure high-pitched whistling noises, resolve rough idling, and eliminate massive oil consumption on your twin-turbo 4.0T V8 engine.

Brand:
Febi - Corporate Logo
ES#:
5492231
Mfg#:
079103542E
Ships on Jan 11, 2027
$184.99 USD
Free Shipping
on orders $49 and up

Vacuum Pump Gasket

ES#285996 - 07K145215A - Vacuum Pump Gasket - For use with vacuum pump - Genuine Volkswagen Audi - Audi Volkswagen

For use with vacuum pump

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
285996
Mfg#:
07K145215A
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.

$41.38

This product was last offered at the strikethrough price on
08-13-2026

$36.83 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Solenoid Valve - Priced Each

ES#2539575 - 06H906283B - Solenoid Valve - Priced Each - Control valve for the flaps inside the intake manifold - Genuine Volkswagen Audi - Audi Volkswagen

Control valve for the flaps inside the intake manifold Intake flap control solenoid - Fits from the 2013 model year

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2539575
Mfg#:
06H906283B
Ships in 1-2 days
9% off MSRP

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

$201.99

This product was last offered at the strikethrough price on
10-26-2026

$183.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

EVAP Purge Valve

ES#277651 - 058133517B - EVAP Purge Valve - Also know as the N80 valve - Genuine Volkswagen Audi - Audi Volkswagen

Also know as the N80 valve

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
277651
Mfg#:
058133517B
In Stock
7% off MSRP

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

$196.65

This product was last offered at the strikethrough price on
08-23-2026

$183.40 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Retaining Spring - Priced Each

ES#4871901 - 037121142A - Retaining Spring - Priced Each - Keep your lines and hoses secure - Bremmen Parts - Audi Volkswagen

Keep your lines and hoses secure 10X Entries Into Our F80 M3 Sweepstakes

Used to retain vent hose on crankcase breather assembly

Brand:
Bremmen Parts - Corporate Logo
ES#:
4871901
Mfg#:
037121142A
In Stock
ON SALE! SAVE 15%
$7.99

This product was last offered at the strikethrough price on
09-16-2026

$6.79 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.

Terms of Use Privacy Policy Your Privacy Choices Cookie Policy ECS Tuning is part of Enthusiast Auto Holdings