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Audi B6 A4 FWD 1.8T

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Audi B6 A4 FWD 1.8T Engine Emission Parts

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Leak Detection Pump Filter

ES#4864897 - 8D0906321 - Leak Detection Pump Filter - Cleans the air entering the leak detection pump - Vaico - Audi Volkswagen

Cleans the air entering the leak detection pump affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
4864897
Mfg#:
8D0906321
In Stock at Vendor
$65.99

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

$63.99 USD
Free Shipping
on orders $49 and up

Hose Clamp - Priced Each

ES#467785 - N10255501 - Hose Clamp - Priced Each - Install new clamps to stay leak free. 17.5x7x.6mm - Genuine Volkswagen Audi - Audi Volkswagen

Install new clamps to stay leak free. 17.5x7x.6mm affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
467785
Mfg#:
N10255501
In Stock
$2.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Pressure Control Valve (PCV) - (19mm)

ES#3462921 - 06A129101D - Pressure Control Valve (PCV) - (19mm) - Located on the intake hose leading to the turbo inlet - Kayser - Audi Volkswagen

Located on the intake hose leading to the turbo inlet affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Fits up to VIN 8E-3-500 000 - Split is in the 2003 model year

Brand:
Kayser - Corporate Logo
ES#:
3462921
Mfg#:
06A129101D
Back Ordered
$41.73 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Pressure Control Valve (PCV) Repair Kit

ES#3648447 - 06a129101dkt2KT - Pressure Control Valve (PCV) Repair Kit - Located under the intake manifold. Includes hose clamps - Genuine Volkswagen Audi - Audi Volkswagen

Located under the intake manifold. Includes hose clamps affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Fits up to VIN 8E-3-500 000 - Split is in the 2003 model year

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3648447
Mfg#:
06A129101DKT2KT
Ships in 3 Business Days
$126.99 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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
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 2 Business Days
$30.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Breather Hose

ES#4505142 - 058103221E - Breather Hose - 'S' shaped hose attached to the bleeder valve under the intake manifold - URO - Audi Volkswagen

'S' shaped hose attached to the bleeder valve under the intake manifold affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!
Up to VIN 8E-3-040000, split is in the 2003 model year

Brand:
URO - Corporate Logo
ES#:
4505142
Mfg#:
058103221E
Ships in 2 Business Days
$30.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Vapor Canister Check Valve - Kit

ES#2981633 - 06F133781L - Vapor Canister Check Valve - Kit - Includes 3 hoses, connects to purge valve and valve cover - Vaico - Audi Volkswagen

Includes 3 hoses, connects to purge valve and valve cover affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
2981633
Mfg#:
06F133781L
In Stock at Vendor
$122.99

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

$119.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

EGR Valve Gasket - Priced Each

ES#283692 - 078131120K - EGR Valve Gasket - Priced Each - Ensure a proper seal - Genuine Volkswagen Audi - Audi Volkswagen

Ensure a proper seal affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
283692
Mfg#:
078131120K
Ships in 1-2 days
7% off MSRP

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

$14.99

This product was last offered at the strikethrough price on
02-20-2026

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

Breather Hose Connector

ES#2710724 - 06B103221P - Breather Hose Connector - Connects the valve cover to the vent tubes - Vaico - Audi Volkswagen

Connects the valve cover to the vent tubes affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!
Up to VIN 8E-3-040000, split is in the 2003 model year

Brand:
Vaico - Corporate Logo
ES#:
2710724
Mfg#:
06B103221P
In Stock at Vendor
$15.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Catch Can Mounting Bracket (straight)

ES#3479288 - IEDIYUU1-7 - Catch Can Mounting Bracket (straight) - To make your custom install as easy as possible, IE offers stainless steel catch can mounting brackets - Integrated Engineering - Audi Volkswagen

To make your custom install as easy as possible, IE offers stainless steel catch can mounting brackets affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Integrated Engineering - Corporate Logo
ES#:
3479288
Mfg#:
IEDIYUU1-7
Back Ordered
Auto Notify
$9.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Check Valve - Priced Each

ES#2598354 - 058905291K - Check Valve - Priced Each - Used in multiple locations in the vacuum system - Vaico - Audi Volkswagen

Used in multiple locations in the vacuum system affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
2598354
Mfg#:
058905291K
In Stock at Vendor
$11.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Breather Hose

ES#2807108 - 06B103217S - Breather Hose - Connects the PCV to the bleeder valve - Kayser - Audi

Connects the PCV to the bleeder valve affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
From VIN 8E-4-000001, split is in the 2004 model year

Brand:
Kayser - Corporate Logo
ES#:
2807108
Mfg#:
06B103217S
Ships in 1-2 days
$107.53 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Crankcase Ventilation Tube

ES#259526 - 06B103213AK - Crankcase Ventilation Tube - Connects the hose connector to the 3 way valve housing - Genuine Volkswagen Audi - Audi

Connects the hose connector to the 3 way valve housing affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
From the 2004 model year

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
259526
Mfg#:
06B103213AK
Ships in 3 Business Days
1% off MSRP

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

$106.67

This product was last offered at the strikethrough price on
06-03-2026

$105.09 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Combi Valve Inlet Hose

ES#4615941 - 06B133784R - Combi Valve Inlet Hose - Connects combi valve to air pump hose - URO - Audi Volkswagen

Connects combi valve to air pump hose affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
4615941
Mfg#:
06B133784R
Ships in 2 Business Days
$26.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Crankcase Vent Valve

ES#251123 - 06a133528d - Crankcase Vent Valve - Repair vacuum system leaks - Genuine Volkswagen Audi - Audi Volkswagen

Repair vacuum system leaks affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
251123
Mfg#:
06A133528D
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.

$113.99

This product was last offered at the strikethrough price on
02-26-2026

$105.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Leak Detection Pump Elbow

ES#270501 - 026133784G - Leak Detection Pump Elbow - Connects the leak detection pump to the vacuum reservoir adapter - Genuine Volkswagen Audi - Audi Volkswagen

Connects the leak detection pump to the vacuum reservoir adapter affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
270501
Mfg#:
026133784G
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.

$21.99

This product was last offered at the strikethrough price on
02-26-2026

$19.99 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.

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