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 Clear

Audi B8/B8.5 S4 Quattro 3.0T

    • 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 Audi B8/B8.5 S4 Quattro 3.0T
Your Vehicle Audi B8/B8.5 S4 Quattro 3.0T
Change Clear

Audi B8/B8.5 S4 Quattro 3.0T Engine Emission Parts

Sort By
Filter By
Return to Top

Oxygen Sensor Socket - 22mm

Properly remove stubborn o2 sensors.

Brand:
Hazet - Corporate Logo
ES#:
4490396
Mfg#:
4680-1
Ships in 1 Business Day
$118.99

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

$115.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rear Oxygen Sensor - Priced Each

ES#281028 - 06E906265Q - Rear Oxygen Sensor - Priced Each - Keep your engine running efficiently - Genuine Volkswagen Audi - Audi

Keep your engine running efficiently Fits the left and right position

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
281028
Mfg#:
06E906265Q
Ships in 4 Business Days
$340.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Breather Tube

ES#5504475 - 06E103217AF - Breather Tube - Connects to both valve covers to the PCV adapter vent tube - OE Aftermarket - Audi

Connects to both valve covers to the PCV adapter vent tube

Brand:
OE Aftermarket - Corporate Logo
ES#:
5504475
Mfg#:
06E103217AF
Ships in 1-2 days
$161.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Gas Cap

ES#5341357 - 8K0201550N - Gas Cap - Includes seal and retaining strap - URO - Audi

Includes seal and retaining strap

Brand:
URO - Corporate Logo
ES#:
5341357
Mfg#:
8K0201550N
Ships in 1 Business Day
$35.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Front Oxygen Sensor - Priced Each

ES#2678230 - 06E906265R - Front Oxygen Sensor - Priced Each - Keep your engine running efficiently - Walker - Audi

Keep your engine running efficiently Fits the left and right position

Brand:
Walker - Corporate Logo
ES#:
2678230
Mfg#:
06E906265R
Back Ordered
$227.99

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

$221.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

ECS Catch Can O-ring

ES#3097721 - N1.50X051 - ECS Catch Can O-ring - Replacement ECS catch can O-ring - ECS - Audi BMW Volkswagen MINI

Replacement ECS catch can O-ring

Brand:
ECS - Corporate Logo
ES#:
3097721
Mfg#:
N1.50X051
In Stock
ON SALE! SAVE 25%
$5.99

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

$4.49 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Vent Tube

ES#450388 - 8K0201183A - Vent Tube - Connects the charcoal canister and the fuel pump - Genuine Volkswagen Audi - Audi

Connects the charcoal canister and the fuel pump

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
450388
Mfg#:
8K0201183A
Ships in 4 Business 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.

$239.99

This product was last offered at the strikethrough price on
08-22-2026

$219.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Solenoid Valve - Priced Each

ES#4883338 - 037906283C - Solenoid Valve - Priced Each - Common cure for DTC P0441 - Rein - Audi Volkswagen

Common cure for DTC P0441 We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
4883338
Mfg#:
037906283C
Ships in 1 Business Day
$54.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor Thread Chaser

ES#4001163 - CTA2068 - Oxygen Sensor Thread Chaser - Remove rust and dirt for easy installation with this tool - CTA Tools - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Remove rust and dirt for easy installation with this tool

Brand:
CTA Tools - Corporate Logo
ES#:
4001163
Mfg#:
CTA2068
In Stock
$11.41 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

RS5 Gas Cap

ES#4428997 - 8W0201550J - RS5 Gas Cap - Fuel filler cap with Audi 'RS' logo - Includes retaining strap - Genuine Volkswagen Audi - Audi

Fuel filler cap with Audi 'RS' logo - Includes retaining strap

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4428997
Mfg#:
8W0201550J
Ships on Sep 9, 2026
9% off MSRP

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

$69.99

This product was last offered at the strikethrough price on
08-22-2026

$63.99 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 Fits the left and right position

Brand:
Bremmen Parts - Corporate Logo
ES#:
5373885
Mfg#:
06E906265AJ
Special Order: No Guaranteed ETA
Auto Notify
ON SALE! SAVE 10%
$203.99

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

$183.59 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Secondary Air Injection Hose - Inlet

ES#461721 - 8T0133817D - Secondary Air Injection Hose - Inlet - Connects the secondary air pump to the air box - Genuine Volkswagen Audi - Audi

Connects the secondary air pump to the air box Up to the 2012 model year

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
461721
Mfg#:
8T0133817D
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.

$194.99

This product was last offered at the strikethrough price on
08-22-2026

$178.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Rear Oxygen Sensor - Priced Each

Keep your engine running efficiently Fits the left and right position

Brand:
Facet - Corporate Logo
ES#:
4135683
Mfg#:
06E906265Q
In Stock at Vendor
$91.99

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

$88.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Vent Tube

Connects to the leak detection pump

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
450440
Mfg#:
8K0201997AH
Ships in 8 Business 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.

$185.99

This product was last offered at the strikethrough price on
08-22-2026

$170.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Vent Tube O-Ring - Priced Each

ES#2957555 - WHT004793A - Vent Tube O-Ring - Priced Each - 23x3 - Seals the connection points for the vent tube between the oil separator and the supercharger - Genuine Volkswagen Audi - Audi

23x3 - Seals the connection points for the vent tube between the oil separator and the supercharger

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2957555
Mfg#:
WHT004793A
In Stock
$5.99 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.

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 ECS Tuning is part of Enthusiast Auto Holdings