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 B6 A4 FWD 1.8T

    • 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 B6 A4 FWD 1.8T
Your Vehicle Audi B6 A4 FWD 1.8T
Change Clear

Audi B6 A4 FWD 1.8T Engine Emission Parts

Sort By
Filter By
Return to Top

Pressure Control Valve (PCV)

ES#3570086 - 06C103245 - Pressure Control Valve (PCV) - Keep your engine running correctly - URO - Audi

Keep your engine running correctly 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
3570086
Mfg#:
06C103245
Ships in 1 Business Day
$45.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Breather Hose

ES#3604075 - 06B103224E - Breather Hose - Connects to the breather valve under the intake manifold - URO - Audi

Connects to the breather valve under the intake manifold 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#:
3604075
Mfg#:
06B103224E
Ships in 1 Business Day
$45.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

PCV Breather Hose

ES#3141767 - 06F103235A - PCV Breather Hose - Connects the PCV valve to oil filter adapter - Vaico - Audi Volkswagen

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

Brand:
Vaico - Corporate Logo
ES#:
3141767
Mfg#:
06F103235A
Ships in 1 Business Day
$46.99

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

$45.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Crankcase Ventilation Tube

ES#2712562 - 06B103213AK - Crankcase Ventilation Tube - Connects the hose connector to the 3 way valve housing - Kayser - Audi

Connects the hose connector to the 3 way valve housing Fits from the 2004 model year

Brand:
Kayser - Corporate Logo
ES#:
2712562
Mfg#:
06B103213AK
Ships in 1-2 days
$45.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Reduction Hose

ES#277661 - 058133784 - Reduction Hose - Connects to the purge/vent valve - Genuine Volkswagen Audi - Audi Volkswagen

Connects to the purge/vent valve

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
277661
Mfg#:
058133784
Ships in 1-2 days
12% off MSRP

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

$50.99

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

$44.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rubber Mount - Priced Each

ES#5425078 - 06A133567F - Rubber Mount - Priced Each - Secures the secondary air injection pump to the bracket - Hudson - Audi Volkswagen

Secures the secondary air injection pump to the bracket

Brand:
Hudson - Corporate Logo
ES#:
5425078
Mfg#:
06A133567F
Ships in 1-2 days
$8.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Crankcase Breather Hose Kit

ES#2628164 - 06B103213GKT - Crankcase Breather Hose Kit - Includes the "L" & "T" shaped breather hoses, breather valve and adjustable clamps - Assembled By ECS - Audi

Includes the "L" & "T" shaped breather hoses, breather valve and adjustable clamps 10X Entries Into Our F80 M3 Sweepstakes
From VIN 8E-3-040001 up to VIN 8E-3-500000, splits are in the 2003 model year

Brand:
Assembled By ECS - Corporate Logo
ES#:
2628164
Mfg#:
06B103213GKT
Ships in 1-2 days
ON SALE! SAVE 51%
$89.99

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

$43.95 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Angled Breather Hose

ES#277662 - 058133784AF - Angled Breather Hose - Connects the check valve and the suction jet pipe - Genuine Volkswagen Audi - Audi

Connects the check valve and the suction jet pipe

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
277662
Mfg#:
058133784AF
Ships in 4 Business Days
10% off MSRP

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

$47.99

This product was last offered at the strikethrough price on
09-05-2026

$42.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Check Valve

ES#2631533 - 07C133529A - Check Valve - Located near off of the intake manifold connecting to the suction pump - Vaico - Audi Volkswagen

Located near off of the intake manifold connecting to the suction pump We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
2631533
Mfg#:
07C133529A
Ships in 1 Business Day
$21.99

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

$20.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Breather Hose Elbow

ES#279951 - 06B103221M - Breather Hose Elbow - Connects the pressure regulator to the hard breather tube - Genuine Volkswagen Audi - Audi

Connects the pressure regulator to the hard breather tube From VIN 8E-4-000001, split is in the 2004 model year

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
279951
Mfg#:
06B103221M
Ships in 1-2 days
$13.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rubber Mount - Priced Each

ES#279478 - 06A133567F - Rubber Mount - Priced Each - Secures the secondary air injection pump to the bracket - Genuine Volkswagen Audi - Audi Volkswagen

Secures the secondary air injection pump to the bracket

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
279478
Mfg#:
06A133567F
Ships in 1-2 days
13% off MSRP

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

$15.99

This product was last offered at the strikethrough price on
09-05-2026

$13.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Air Pump Hose

ES#4883736 - 058133785B - Air Pump Hose - Connects the metal pipes in the air pump system - Rein - Audi Volkswagen

Connects the metal pipes in the air pump system 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
4883736
Mfg#:
058133785B
Ships in 3 Business Days
ON SALE!
$21.99

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

$20.89 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Breather Hose Elbow

ES#2602472 - 06A103213AM - Breather Hose Elbow - Connects the oil filter adapter to the hard breather tube - Febi - Audi Volkswagen

Connects the oil filter adapter to the hard breather tube We Price Match - Give Us A Call or Chat!
From VIN 8E-4-000001, split is in the 2004 model year

Brand:
Febi - Corporate Logo
ES#:
2602472
Mfg#:
06A103213AM
In Stock at Vendor
64% off MSRP

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

$58.33

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

$20.73 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Angled Vacuum Hose

ES#436285 - 8E0133784B - Angled Vacuum Hose - Branches the purge/vent valve to the vacuum system - Genuine Volkswagen Audi - Audi

Branches the purge/vent valve to the vacuum system

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
436285
Mfg#:
8E0133784B
In Stock
ON SALE!
$43.99

This product was last offered at the strikethrough price on
08-26-2026

$40.07 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Check Valve

ES#3462926 - 07C133529A - Check Valve - Located near off of the intake manifold connecting to the suction pump - Kayser - Audi

Located near off of the intake manifold connecting to the suction pump

Brand:
Kayser - Corporate Logo
ES#:
3462926
Mfg#:
07C133529A
Ships in 1-2 days
$20.99

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

$19.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Breather Hose

ES#4818438 - 06B103221G - Breather Hose - Connects directly to first PCV - Bremmen Parts - Audi Volkswagen

Connects directly to first PCV 10X Entries Into Our F80 M3 Sweepstakes

Up to the 2003 model year

Brand:
Bremmen Parts - Corporate Logo
ES#:
4818438
Mfg#:
06B103221G
In Stock
ON SALE! SAVE 29%
$13.99

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

$9.99 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