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 Quattro V6 30v

    • 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 Quattro V6 30v
Your Vehicle Audi B6 A4 Quattro V6 30v
Change Clear

Audi B6 A4 Quattro V6 30v Engine Emission Parts

Sort By
Filter By
Return to Top

Dual Drive Oxygen Sensor Wrench

ES#2944218 - LIS12390 - Dual Drive Oxygen Sensor Wrench - Tool comes with both 1/2" and 3/8" drive. - Lisle - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Tool comes with both 1/2" and 3/8" drive.

Brand:
Lisle - Corporate Logo
ES#:
2944218
Mfg#:
LIS12390
Ships in 6 Business Days
$59.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Pressure Control Valve (PCV)

ES#3200271 - 078103245E - Pressure Control Valve (PCV) - Keep your engine running correctly - Febi - Audi Volkswagen

Keep your engine running correctly 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
3200271
Mfg#:
078103245E
In Stock at Vendor
$66.55

This product was last offered at the strikethrough price on
05-29-2026

$59.32 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Lower PCV Bleeder Valve Upgrade Kit

ES#5482584 - 06a103247KT7 - Lower PCV Bleeder Valve Upgrade Kit - Eliminate dangerous boost leaks and permanently fix your engine's most vulnerable vacuum path with this billet check valve and T-housing bundle. - Assembled By ECS - Audi Volkswagen

Eliminate dangerous boost leaks and permanently fix your engine's most vulnerable vacuum path with this billet check valve and T-housing bundle. 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
5482584
Mfg#:
06A103247KT7
Ships in 1 Business Day
$58.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Pressure Control Valve (PCV)

ES#2749261 - 06C103245 - Pressure Control Valve (PCV) - Keep your engine running correctly - Vaico - Audi

Keep your engine running correctly We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
2749261
Mfg#:
06C103245
In Stock at Vendor
$59.99

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

$57.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Three-Way Valve Housing

ES#3437197 - 06A103247 - Three-Way Valve Housing - 'T' shaped connection below the intake manifold - Rein - Audi Volkswagen

'T' shaped connection below the intake manifold 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
3437197
Mfg#:
06A103247
Ships in 1 Business Day
$7.20

This product was last offered at the strikethrough price on
03-09-2026

$7.13 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Breather Hose Elbow

ES#4883914 - 06A103213AM - Breather Hose Elbow - Connects the oil filter adapter to the hard breather tube - Rein - Audi Volkswagen

Connects the oil filter adapter to the hard breather tube 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
4883914
Mfg#:
06A103213AM
Ships in 1 Business Day
$13.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Pressure Control Valve (PCV) - (19mm)

ES#4810748 - 06A129101D - Pressure Control Valve (PCV) - (19mm) - Located on the intake hose leading to the turbo inlet - Rein - Audi Volkswagen

Located on the intake hose leading to the turbo inlet 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
4810748
Mfg#:
06A129101D
Ships in 10 Business Days
Auto Notify
$13.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Breather Hose

ES#3142243 - 058103493A - Breather Hose - Connects the PVC to the metal vent tube - URO - Audi Volkswagen

Connects the PVC to the metal vent tube 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
3142243
Mfg#:
058103493A
Ships in 1 Business Day
$10.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Hose Pinchers

ES#2944378 - LIS22850 - Hose Pinchers - A must for any car enthusiast. - Lisle - Audi BMW Volkswagen Mercedes Benz MINI Porsche

A must for any car enthusiast.

Brand:
Lisle - Corporate Logo
ES#:
2944378
Mfg#:
LIS22850
Ships in 1 Business Day
$17.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Leak Detection Pump Hose

ES#440760 - 8E0906272C - Leak Detection Pump Hose - Connects the leak detection pump to the filter - Genuine Volkswagen Audi - Audi

Connects the leak detection pump to the filter

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
440760
Mfg#:
8E0906272C
Special Order: No Guaranteed ETA
9% off MSRP

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

$57.99

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

$52.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Reduction Hose

ES#4699457 - 058133370A - Reduction Hose - Keep your engine running smooth - URO - Audi Volkswagen

Keep your engine running smooth 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
4699457
Mfg#:
058133370A
Ships in 1 Business Day
$25.99 USD
Free Shipping
on orders $49 and up

Hose Clamp - Priced Each

ES#469749 - N90409501 - Hose Clamp - Priced Each - Install new clamps to stay leak free. 28.6x7x.6mm - Genuine Volkswagen Audi - Audi Volkswagen

Install new clamps to stay leak free. 28.6x7x.6mm

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
469749
Mfg#:
N90409501
In Stock
$0.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Elbow Hose

ES#4487832 - 06B103493AE - Elbow Hose - Connects the hard vent tube to the intake hose - URO - Audi

Connects the hard vent tube to the intake hose 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
4487832
Mfg#:
06B103493AE
Ships on Aug 12, 2026
$26.99

This product was last offered at the strikethrough price on
07-16-2026

$24.95 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Valley Pan Gasket (Vent Trim)

ES#280204 - 06C103771 - Valley Pan Gasket (Vent Trim) - Located underneath the PVC vent box - Genuine Volkswagen Audi - Audi

Located underneath the PVC vent box

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
280204
Mfg#:
06C103771
Ships in 3 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.

$54.00

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

$48.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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 For Our 25th Anniversary 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 For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

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

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