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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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Torx Bolt - Priced Each

ES#5708 - n10347003 - Torx Bolt - Priced Each - Install new hardware with your new parts. M6x16 - Genuine Volkswagen Audi - Audi Volkswagen

Install new hardware with your new parts. M6x16

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
5708
Mfg#:
N10347003
In Stock
$3.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Pressure Control Valve (PCV) - (19mm)

ES#4818408 - 035103245A - Pressure Control Valve (PCV) - (19mm) - Located under the intake manifold - Bremmen Parts - Audi Volkswagen

Located under the intake manifold 10X Entries For Our 25th Anniversary Sweepstakes!

Up to VIN 8E-3-040000, split is in the 2003 model year

Brand:
Bremmen Parts - Corporate Logo
ES#:
4818408
Mfg#:
035103245A
In Stock
ON SALE! SAVE 26%
$10.99

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

$8.15 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Breather Hose Elbow

ES#3194560 - 06A103213AM - Breather Hose Elbow - Connects the oil filter adapter to the hard breather tube - URO - 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!
From VIN 8E-4-000001, split is in the 2004 model year

Brand:
URO - Corporate Logo
ES#:
3194560
Mfg#:
06A103213AM
In Stock
$11.99

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

$10.79 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Check Valve - Priced Each

ES#4818424 - 058905291K - Check Valve - Priced Each - Used in multiple locations in the vacuum system - Bremmen Parts - Audi Volkswagen

Used in multiple locations in the vacuum system 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4818424
Mfg#:
058905291K
Ships on Aug 11, 2026
Auto Notify
ON SALE! SAVE 35%
$4.99

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

$3.26 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Emissions Service Kit

ES#2219669 - 06A103213F - Emissions Service Kit - Complete PCV Refresh Kit for your engine - Assembled By ECS - Audi

Complete PCV Refresh Kit for your engine 10X Entries For Our 25th Anniversary Sweepstakes!
Up to VIN 8E-3-040000, split is in the 2003 model year

Brand:
Assembled By ECS - Corporate Logo
ES#:
2219669
Mfg#:
06A103213F
Ships in 3 Business Days
ON SALE!
$268.99

This product was last offered at the strikethrough price on
01-29-2026

$253.53 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

EGR Valve Gasket - Priced Each

ES#2718617 - 078131120K - EGR Valve Gasket - Priced Each - Ensure a proper seal - Elring - Audi Volkswagen

Ensure a proper seal 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Elring - Corporate Logo
ES#:
2718617
Mfg#:
078131120K
In Stock
$5.14 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

3/4 NPTBlock Breather Adapter

ES#4146792 - 034-101-5001 - 3/4 NPTBlock Breather Adapter - Precision CNC machined in-house to ensure unsurpassed quality and perfect fitment. Now available with a 3/4" NPT provision. - 034Motorsport - Audi Volkswagen

Precision CNC machined in-house to ensure unsurpassed quality and perfect fitment. Now available with a 3/4" NPT provision.

Brand:
034Motorsport - Corporate Logo
ES#:
4146792
Mfg#:
034-101-5001
Ships in 2 Business Days
$25.00 USD
Free Shipping

Purge Valve

ES#300006 - 1C0906517A - Purge Valve - Common cure for DTC P0441 - Genuine Volkswagen Audi - Audi Volkswagen

Common cure for DTC P0441

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
300006
Mfg#:
1C0906517A
Ships in 1 day
7% off MSRP

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

$263.99

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

$245.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Silicone Breather Hose Connector

ES#2966837 - 034-101-3014 - Silicone Breather Hose Connector - Connects the valve cover to the vent tubes - 034Motorsport - Audi Volkswagen

Connects the valve cover to the vent tubes Fits up to VIN 8E-3-040 000 - Split is in the 2003 model year

Brand:
034Motorsport - Corporate Logo
ES#:
2966837
Mfg#:
034-101-3014
In Stock
$45.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Gas Cap Seal

ES#294938 - 191201557 - Gas Cap Seal - Seals the connection between the gas cap and filler neck - Genuine Volkswagen Audi - Audi

Seals the connection between the gas cap and filler neck

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
294938
Mfg#:
191201557
In Stock
10% off MSRP

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

$29.99

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

$26.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Air Pump Hose

ES#2207885 - 058133785B - Air Pump Hose - Connects the metal pipes in the air pump system - MTC - Audi Volkswagen

Connects the metal pipes in the air pump system

Brand:
MTC - Corporate Logo
ES#:
2207885
Mfg#:
058133785B
In Stock
ON SALE!
$22.99

This product was last offered at the strikethrough price on
06-25-2026

$21.84 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

APR Universal Oil Catch Can - AN Fittings

ES#4487795 - MS100218 - APR Universal Oil Catch Can - AN Fittings - Universal/Service part for APR's MS100199 full catch can system - APR - Audi Volkswagen Porsche

Universal/Service part for APR's MS100199 full catch can system Call In Or Chat For Best Price! 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
APR - Corporate Logo
ES#:
4487795
Mfg#:
MS100218
Ships on Aug 13, 2026
11% off MSRP

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

$264.99

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

$234.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Pressure Control Valve (PCV) - (19mm)

ES#7858 - 06A129101D - Pressure Control Valve (PCV) - (19mm) - Located on the intake hose leading to the turbo inlet - Genuine Volkswagen Audi - Audi Volkswagen

Located on the intake hose leading to the turbo inlet Fits up to VIN 8E-3-500 000 - Split is in the 2003 model year

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
7858
Mfg#:
06A129101D
Ships in 4 Business Days
6% off MSRP

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

$123.99

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

$115.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Secondary Air Injection Pump

ES#3139060 - 06A959253E - Secondary Air Injection Pump - Keep your engine running efficiently - Hudson - Audi Volkswagen

Keep your engine running efficiently

Brand:
Hudson - Corporate Logo
ES#:
3139060
Mfg#:
06A959253E
Ships in 1 day
$230.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Crankcase Vent Valve

ES#2804191 - 06A133528D - Crankcase Vent Valve - Repair vacuum system leaks - Vaico - Audi Volkswagen

Repair vacuum system leaks We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
2804191
Mfg#:
06A133528D
In Stock at Vendor
$79.99

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

$76.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Emissions Service Kit

ES#2878592 - 06F129101Pkit - Emissions Service Kit - Everything you need to service your PCV system - Vaico - Audi Volkswagen

Everything you need to service your PCV system We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
2878592
Mfg#:
06F129101PKIT
In Stock
ON SALE!
$236.99

This product was last offered at the strikethrough price on
07-14-2026

$229.88 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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