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 C5 A6 Quattro 2.7T

    • 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 C5 A6 Quattro 2.7T
Your Vehicle Audi C5 A6 Quattro 2.7T
Change Clear

Audi C5 A6 Quattro 2.7T Engine Emission Parts

Sort By
Filter By
Return to Top

Oxygen Sensor Tool - 22mm

ES#3673912 - B8800067 - Oxygen Sensor Tool - 22mm - 1/2" Drive - 7/8" x 6" - Extra Long - Bav Auto Tools - Audi BMW Volkswagen Mercedes Benz MINI Porsche
ECS Tuning recommends this product.

1/2" Drive - 7/8" x 6" - Extra Long 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bav Auto Tools - Corporate Logo
ES#:
3673912
Mfg#:
B8800067
Ships on Sep 1, 2026
Auto Notify
ON SALE! SAVE 20%
$29.99

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

$23.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Solenoid Valve - Priced Each

ES#4643076 - 037906283C - Solenoid Valve - Priced Each - Common cure for DTC P0441 - URO - Audi Volkswagen

Common cure for DTC P0441 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
4643076
Mfg#:
037906283C
In Stock
Limited Qty Sale
$45.99

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

$38.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor - Priced Each

ES#11898 - 16978 - Oxygen Sensor - Priced Each - Keep your engine running efficiently - Bosch - Audi

Keep your engine running efficiently 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
From the 2002 model year

Brand:
Bosch - Corporate Logo
ES#:
11898
Mfg#:
16978
In Stock at Vendor
$128.99

This product was last offered at the strikethrough price on
05-19-2026

$110.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Valve Control Solenoid (N249)

ES#248500 - 078906283A - Valve Control Solenoid (N249) - Valve used to control combi valve operation - Pierburg - Audi Volkswagen

Valve used to control combi valve operation

Brand:
Pierburg - Corporate Logo
ES#:
248500
Mfg#:
078906283A
In Stock
$96.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

N80 Purge Valve

ES#283789 - 078133517H - N80 Purge Valve - Common cure for DTC P0441 - Genuine Volkswagen Audi - Audi

Common cure for DTC P0441

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
283789
Mfg#:
078133517H
In Stock
Limited Qty Sale
$187.54

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

$149.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Solenoid Valve (N249) - Priced Each

ES#4818403 - 026906283J - Solenoid Valve (N249) - Priced Each - Controls actuation of the Combi Valve or Diverter Valve - Bremmen Parts - Audi Volkswagen

Controls actuation of the Combi Valve or Diverter Valve 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4818403
Mfg#:
026906283J
In Stock
ON SALE! SAVE 15%
$48.99

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

$41.64 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

ECS Tuning Universal Catch Can Drain System

ES#3698456 - 003779ECS11 - ECS Tuning Universal Catch Can Drain System - Make draining your ECS or Turner Catch Can simple with this comprehensive kit - ECS - Audi Volkswagen MINI

Make draining your ECS or Turner Catch Can simple with this comprehensive kit 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3698456
Mfg#:
003779ECS11
In Stock
ON SALE! SAVE 25%
$71.99

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

$53.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Pressure Control Valve (PCV) Assembly

ES#283298 - 078103235G - Pressure Control Valve (PCV) Assembly - Complete breather hose assembly that includes the PCV valve - Genuine Volkswagen Audi - Audi

Complete breather hose assembly that includes the PCV valve Up to VIN 4B-1-040320, split is in the 2001 model year

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
283298
Mfg#:
078103235G
In Stock at Vendor
12% off MSRP

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

$366.99

This product was last offered at the strikethrough price on
01-22-2026

$321.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Solenoid Valve (N249) - Priced Each

ES#4701353 - 026906283J - Solenoid Valve (N249) - Priced Each - Controls actuation of the Combi Valve or Diverter Valve - Hamburg Tech - Audi Volkswagen

Controls actuation of the Combi Valve or Diverter Valve We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
4701353
Mfg#:
026906283J
Ships in 1 Business Day
$52.99 USD
Free Shipping
on orders $49 and up

IE Recirculating Billet Catch Can

ES#2794189 - IEDIYUU17 - IE Recirculating Billet Catch Can - Prevent crankcase oil fumes from filling your intake piping, turbo piping, intercooler, intake manifold, and breather system - Integrated Engineering - Audi Volkswagen

Prevent crankcase oil fumes from filling your intake piping, turbo piping, intercooler, intake manifold, and breather system 5X Entries For Our 25th Anniversary Sweepstakes!
*Universal Fitment - Custom Install Required - Does not include fittings, adapters, or hose ends*

Brand:
Integrated Engineering - Corporate Logo
ES#:
2794189
Mfg#:
IEDIYUU17
In Stock
$186.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Suction Pump

ES#252639 - 058133753D - Suction Pump - Restore engine performance - Genuine Volkswagen Audi - Audi Volkswagen

Restore engine performance Up to VIN 4B-1-080000, split is in the 2001 model year

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
252639
Mfg#:
058133753D
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.

$91.65

This product was last offered at the strikethrough price on
07-20-2026

$85.47 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Hex Bolt - Priced Each

ES#467458 - N10124408 - Hex Bolt - Priced Each - Install new hardware with your new parts. M6x20 - Genuine Volkswagen Audi - Audi Volkswagen

Install new hardware with your new parts. M6x20 Secures the EGR/Combi valves to the adapter.

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
467458
Mfg#:
N10124408
In Stock
$4.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Gas Cap

ES#2803531 - 1J0201553A - Gas Cap - Replacement fuel tank cap for your vehicle. Tether not included. - Rein - Audi Volkswagen

Replacement fuel tank cap for your vehicle. Tether not included. 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
2803531
Mfg#:
1J0201553A
In Stock
$18.66

This product was last offered at the strikethrough price on
06-23-2026

$17.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Suction Pump

ES#4818419 - 058133753D - Suction Pump - Restore engine performance - Bremmen Parts - Audi Volkswagen

Restore engine performance 10X Entries For Our 25th Anniversary Sweepstakes!

Up to VIN 4B-1-080000, split is in the 2001 model year

Brand:
Bremmen Parts - Corporate Logo
ES#:
4818419
Mfg#:
058133753D
In Stock
ON SALE! SAVE 23%
$16.99

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

$13.05 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Vacuum Check Valve

ES#3462925 - 078611933B - Vacuum Check Valve - Multiple line check valve that sits in the back of the intake manifold - Kayser - Audi

Multiple line check valve that sits in the back of the intake manifold 2000-2001 automatic transmission only, 2002 & up all transmission

Brand:
Kayser - Corporate Logo
ES#:
3462925
Mfg#:
078611933B
Ships in 1 Business Day
$16.42 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Solenoid Valve (N249) - Priced Each

ES#258893 - 026906283J - Solenoid Valve (N249) - Priced Each - Controls actuation of the Combi Valve or Diverter Valve - Pierburg - Audi Volkswagen

Controls actuation of the Combi Valve or Diverter Valve

Brand:
Pierburg - Corporate Logo
ES#:
258893
Mfg#:
026906283J
In Stock at Vendor
$114.83

This product was last offered at the strikethrough price on
03-21-2026

$104.78 USD
Free Shipping
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