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Volkswagen Passat B4 2.0

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Volkswagen Passat B4 2.0 Engine Emission Parts

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Gas Cap

ES#2090976 - 1H0201553B - Gas Cap - Keep your fuel system sealed - MTC - Audi Volkswagen

Keep your fuel system sealed

Brand:
MTC - Corporate Logo
ES#:
2090976
Mfg#:
1H0201553B
Ships in 10 Business Days
$5.09 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Crankcase Vent Valve

ES#4810173 - 037129101R - Crankcase Vent Valve - Commonly called PCV valve, located on top of valve cover - Rein - Volkswagen

Commonly called PCV valve, located on top of valve cover 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
For vehicles with VIN from 3A-T-000 001 only, split is in the 1996 model year

Brand:
Rein - Corporate Logo
ES#:
4810173
Mfg#:
037129101R
Ships in 4 Business Days
$10.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Breather Hose - To valve cover

Brand:
Burgaflex - Corporate Logo
ES#:
4349478
Mfg#:
037103493AE
Ships in 9 Business Days
$3.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Breather Hose - To valve cover

Brand:
Gates - Corporate Logo
ES#:
3234695
Mfg#:
037103493AE
Ships on Aug 6, 2026
$13.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Locking Gas Cap With Keys

Keep your fuel to yourself

Brand:
Gates - Corporate Logo
ES#:
3235408
Mfg#:
191201551A
Ships on Aug 6, 2026
$13.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Upstream Oxygen Sensor

ES#4900528 - 030906265K - Upstream Oxygen Sensor - Restore optimal air-fuel ratios, maximize fuel economy, and pass your emissions test. - Meyle - Volkswagen

Restore optimal air-fuel ratios, maximize fuel economy, and pass your emissions test. 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Meyle - Corporate Logo
ES#:
4900528
Mfg#:
030906265K
Ships on Nov 20, 2026
Auto Notify
$62.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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

Oxygen Sensor

ES#4900525 - 021906265N - Oxygen Sensor - Restore sluggish throttle response and optimize fuel economy with this direct-fit, premium 4-wire heated Meyle oxygen sensor. - Meyle - Volkswagen

Restore sluggish throttle response and optimize fuel economy with this direct-fit, premium 4-wire heated Meyle oxygen sensor. 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Meyle - Corporate Logo
ES#:
4900525
Mfg#:
021906265N
Special Order: No Guaranteed ETA
$93.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

bleeder valve

ES#2878155 - 037129101P - bleeder valve - Located on top of the valve cover - Vaico - Volkswagen

Located on top of the valve cover We Price Match - Give Us A Call or Chat!
For vehicles with VIN up to 3A-S-300 000 only, split is in the 1995 model year

Brand:
Vaico - Corporate Logo
ES#:
2878155
Mfg#:
037129101P
Special Order: No Guaranteed ETA
$55.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Engine Breather Hose Kit

Breather hose from front of block to valve cover 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
2802352
Mfg#:
037103211A
Back Ordered
$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.

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