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Audi B6 A4 Quattro 1.8T

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Audi B6 A4 Quattro 1.8T Engine Emission Parts

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Oxygen Sensor - Priced Each

ES#2635543 - 1K0998262D - Oxygen Sensor - Priced Each - Keep your engine running efficiently - Walker - Audi Volkswagen

Keep your engine running efficiently

Brand:
Walker - Corporate Logo
ES#:
2635543
Mfg#:
1K0998262D
Ships in 1-2 days
$167.99

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

$162.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oil Filter Adapter

Comes with, Oil Filter Adapter, Oil Cooler O-Ring, Sealing O-Ring (34.2x3), and Oil Filter Adapter Gasket 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
5481704
Mfg#:
06A115405BSKT
Ships in 1-2 days
$437.99

This product was last offered at the strikethrough price on
07-09-2026

$435.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Breather Hose

ES#279950 - 06B103217S - Breather Hose - Connects the PCV to the bleeder valve - Genuine Volkswagen Audi - Audi

Connects the PCV to the bleeder valve From VIN 8E-4-000001, split is in the 2004 model year

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
279950
Mfg#:
06B103217S
Ships in 6 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.

$173.99

This product was last offered at the strikethrough price on
08-20-2026

$158.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Crimp Clamp - Priced Each

ES#2872946 - N10202001 - Crimp Clamp - Priced Each - Install new hardware with your new parts. 24.1x7x0.6 - Febi - Audi Volkswagen

Install new hardware with your new parts. 24.1x7x0.6 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2872946
Mfg#:
N10202001
Special Order: No Guaranteed ETA
$6.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Secondary Air Injection Pump

Keep your engine running efficiently 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
5491634
Mfg#:
06A959253E
Ships on Nov 19, 2026
Auto Notify
$159.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Purge Valve

ES#4849628 - 1C0906517A - Purge Valve - Common cure for DTC P0441 - Vemo - Audi Volkswagen

Common cure for DTC P0441

Brand:
Vemo - Corporate Logo
ES#:
4849628
Mfg#:
1C0906517A
Special Order: No Guaranteed ETA
$21.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

EGR Valve

Also known as the 'combi valve' We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
4690216
Mfg#:
079131101AR
Special Order: No Guaranteed ETA
$139.99 USD
Free Shipping
on orders $49 and up

1/8" Barbed Vacuum Fittings - Set Of 10

Perfect for repairing and replacing cracked vacuum lines - Best used with 3mm to 4mm vacuum hoses 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
5445719
Mfg#:
125DBCON
Special Order: No Guaranteed ETA
ON SALE! SAVE 59%
$12.99

This product was last offered at the strikethrough price on
03-22-2026

$5.39 USD
This product is lifetime replacement eligible Lifetime Replacement

Emissions Service Kit

ES#2219685 - 06A103245F - Emissions Service Kit - Complete PCV Kit for your engine - Assembled By ECS - Audi

Complete PCV Kit for your engine 10X Entries For Our 25th Anniversary Sweepstakes!
From VIN 8E-4-000001, split is in the 2004 model year - with 25mm relief valve

Brand:
Assembled By ECS - Corporate Logo
ES#:
2219685
Mfg#:
06A103245F
Back Ordered
ON SALE!
$563.57

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

$513.07 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Emissions Service Kit

ES#2219683 - 06A103213AM - Emissions Service Kit - Don't let a clogged PCV system ruin your engine - Assembled By ECS - Audi

Don't let a clogged PCV system ruin your engine 10X Entries For Our 25th Anniversary Sweepstakes!
From VIN 8E-4-000001, split is in the 2004 model year - with 20mm relief valve

Brand:
Assembled By ECS - Corporate Logo
ES#:
2219683
Mfg#:
06A103213AM
Back Ordered
ON SALE!
$485.99

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

$441.41 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oil Filter Adapter

With an integrated oil separator We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
4865930
Mfg#:
06A115405BS
Special Order: No Guaranteed ETA
$332.99 USD
Free Shipping
on orders $49 and up

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.

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Manufacturer names and/or part numbers are used only for identification purposes.

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