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Volkswagen Passat Engine Emission Parts

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Oil Cooler O-Ring

ES#2776 - 038117070A - Oil Cooler O-Ring - Seals the connection between the oil cooler and the filter adapter. 59x5 - Victor Reinz - Audi Volkswagen

Seals the connection between the oil cooler and the filter adapter. 59x5

Brand:
Victor Reinz - Corporate Logo
ES#:
2776
Mfg#:
038117070A
In Stock
$3.05 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Front Oxygen Sensor

ES#3625713 - 8R0906262 - Front Oxygen Sensor - Located before catalytic converter, restore mileage and clear codes - FAE - Audi Volkswagen

Located before catalytic converter, restore mileage and clear codes For vehicles with CKRA engine code only

Brand:
FAE - Corporate Logo
ES#:
3625713
Mfg#:
8R0906262
Ships on Aug 13, 2026
$113.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Purge Valve Hose

ES#2529518 - 5C0133366AC - Purge Valve Hose - Connects to purge valve and canister pipe - Genuine Volkswagen Audi - Volkswagen

Connects to purge valve and canister pipe

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2529518
Mfg#:
5C0133366AC
Ships in 3 Business 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.

$119.99

This product was last offered at the strikethrough price on
07-21-2026

$111.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Crankcase Breather Hose - With PCV Valve

ES#3450044 - 078103224R - Crankcase Breather Hose - With PCV Valve - Large breather hose that runs around the intake manifold - Kayser - Audi Volkswagen

Large breather hose that runs around the intake manifold For vehicles with VIN up to 3B-1-400 000 only, split is in the 2001 model year

Brand:
Kayser - Corporate Logo
ES#:
3450044
Mfg#:
078103224R
Ships in 1-2 days
$56.99

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

$55.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Secondary Air Injection Hose - Outlet

ES#2918547 - 058133817D - Secondary Air Injection Hose - Outlet - Connects the secondary air pump to the metal pipe - Vaico Q+ - Audi Volkswagen

Connects the secondary air pump to the metal pipe For vehicles with ATW or AUG engine codes only.

Brand:
Vaico Q+ - Corporate Logo
ES#:
2918547
Mfg#:
058133817D
Ships in 1-2 days
$55.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Exhaust Gas Temperature Sensor - Front

ES#2162883 - 03L906088ED - Exhaust Gas Temperature Sensor - Front - Determines exhaust temperature before the turbo - Genuine Volkswagen Audi - Volkswagen

Determines exhaust temperature before the turbo

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2162883
Mfg#:
03L906088ED
Ships in 3 Business 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.

$118.99

This product was last offered at the strikethrough price on
07-21-2026

$110.99 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 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 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

Plug

ES#466615 - N0160243 - Plug - Oil filter adapter upper plug. M10x1 - Genuine Volkswagen Audi - Audi Volkswagen

Oil filter adapter upper plug. M10x1 For vehicles with AUG or AWM engine codes only.

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
466615
Mfg#:
N0160243
Ships in 3 Business Days
34% off MSRP

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

$9.08

This product was last offered at the strikethrough price on
07-21-2026

$5.99 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 We Price Match - Give Us A Call or Chat!
For vehicles with AUG or AWM engine codes only, with VIN up to 3B-3-072 000, split is in the 2003 model year.

Brand:
Vaico - Corporate Logo
ES#:
2710724
Mfg#:
06B103221P
In Stock
ON SALE!
$15.99

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

$15.19 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Gas Cap

ES#2187546 - 1H0201553B - Gas Cap - Keep your fuel system sealed - URO - Audi Volkswagen

Keep your fuel system sealed 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2187546
Mfg#:
1H0201553B
Ships in 2 Business Days
ON SALE!
$10.15

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

$9.64 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Separator/PCV Valve

ES#4715739 - 06K103495BK - Oil Separator/PCV Valve - Located on top of your valve cover - Vaico - Audi Volkswagen

Located on top of your valve cover We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
4715739
Mfg#:
06K103495BK
Special Order: No Guaranteed ETA
$105.99 USD
Free Shipping
on orders $49 and up

Vacuum Check Valve - Priced Each

ES#276312 - 046905291A - Vacuum Check Valve - Priced Each - In line vacuum one way valve to ensure proper air suction - Genuine Volkswagen Audi - Volkswagen

In line vacuum one way valve to ensure proper air suction

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
276312
Mfg#:
046905291A
Ships in 3 Business Days
10% off MSRP

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

$58.99

This product was last offered at the strikethrough price on
07-21-2026

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

Secondary Air Injection Hose - Outlet

ES#3450053 - 3B0131149F - Secondary Air Injection Hose - Outlet - Connects the secondary air pump to the metal pipe - Kayser - Volkswagen

Connects the secondary air pump to the metal pipe For vehicles with AWM engine code only.

Brand:
Kayser - Corporate Logo
ES#:
3450053
Mfg#:
3B0131149F
Back Ordered
$52.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Retaining Spring - Priced Each

ES#4871901 - 037121142A - Retaining Spring - Priced Each - Keep your lines and hoses secure - Bremmen Parts - Audi Volkswagen

Keep your lines and hoses secure 10X Entries For Our 25th Anniversary Sweepstakes!

For vehicles with AUG, AEB or AWM engine codes only

Brand:
Bremmen Parts - Corporate Logo
ES#:
4871901
Mfg#:
037121142A
In Stock
ON SALE! SAVE 37%
$7.99

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

$5.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Three-Way Valve Housing

ES#258895 - 06A103247 - Three-Way Valve Housing - 'T' shaped connection below the intake manifold - Genuine Volkswagen Audi - Audi Volkswagen

'T' shaped connection below the intake manifold

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
258895
Mfg#:
06A103247
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.

$22.99

This product was last offered at the strikethrough price on
07-21-2026

$20.99 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.

Let us help you find the parts that fit your Volkswagen

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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