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Volkswagen Passat Engine Emission Parts

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Oil Separator/PCV Emissions Service Kit - *ECS Recommends*

ES#2792663 - 06F198202KT - Oil Separator/PCV Emissions Service Kit - *ECS Recommends* - Everything you need to replace a faulty PCV or to perform some preventative maintenance - Assembled By ECS - Volkswagen
ECS Tuning recommends this product.

Everything you need to replace a faulty PCV or to perform some preventative maintenance 10X Entries For Our 25th Anniversary Sweepstakes!
For vehicles with FSI engine with VIN from 3C-6-300 001 only, split is in the 2006 model year

Brand:
Assembled By ECS - Corporate Logo
ES#:
2792663
Mfg#:
06F198202KT
In Stock
ON SALE!
$198.99

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

$180.57 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor Tool - Angled Handle - 7/8" - Bavarian Autosport

ES#3673911 - B8800066 - Oxygen Sensor Tool - Angled Handle - 7/8" - Bavarian Autosport - Slotted, pivoting head has both hexagon and double hexagon drive. Angled handle reaches around obstructions. - Bav Auto Tools - Audi BMW Volkswagen Mercedes Benz MINI Porsche
ECS Tuning recommends this product.

Slotted, pivoting head has both hexagon and double hexagon drive. Angled handle reaches around obstructions. 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bav Auto Tools - Corporate Logo
ES#:
3673911
Mfg#:
B8800066
Ships on Sep 1, 2026
Auto Notify
ON SALE! SAVE 25%
$49.99

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

$37.49 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

PCV Valve Repair Kit

ES#3136932 - 917-064 - PCV Valve Repair Kit - Alternative to replacing the entire valve cover of the 2.5L engine. Also fits 2.0T. - Dorman - Volkswagen

Alternative to replacing the entire valve cover of the 2.5L engine. Also fits 2.0T.

Brand:
Dorman - Corporate Logo
ES#:
3136932
Mfg#:
917-064
In Stock
$49.99

This product was last offered at the strikethrough price on
04-21-2026

$34.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

VALVE

ES#3627464 - 06K131097AA - VALVE - Genuine Volkswagen Audi - Audi Volkswagen

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3627464
Mfg#:
06K131097AA
In Stock
ON SALE!
$345.99

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

$328.32 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Universal 4-Wire Oxygen Sensor - Priced Each

ES#2532224 - 15733 - Universal 4-Wire Oxygen Sensor - Priced Each - Four wire universal OBD-II Oxygen sensor - Bosch - Audi BMW Volkswagen

Four wire universal OBD-II Oxygen sensor 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
2532224
Mfg#:
15733
In Stock
$82.99

This product was last offered at the strikethrough price on
02-16-2026

$74.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oil Separator/ Pressure Control Valve (PCV)

ES#4930713 - 06Q103495K - Oil Separator/ Pressure Control Valve (PCV) - Located on top of your valve cover - Genuine Volkswagen Audi - Volkswagen

Located on top of your valve cover Fits vehicle with production dates from 07/26/2021

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4930713
Mfg#:
06Q103495K
In Stock
3% off MSRP

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

$59.99

This product was last offered at the strikethrough price on
07-19-2026

$57.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Pressure Control Valve (PCV) - (19mm)

ES#2804355 - 034129101BKT1 - Pressure Control Valve (PCV) - (19mm) - Located on the turbo inlet pipe. Includes hose clamps - Assembled By ECS - Audi Volkswagen

Located on the turbo inlet pipe. Includes hose clamps 10X Entries For Our 25th Anniversary Sweepstakes!
For vehicles with AEB, ATW, or AUG engine code only

Brand:
Assembled By ECS - Corporate Logo
ES#:
2804355
Mfg#:
034129101BKT1
In Stock
ON SALE! SAVE 18%
$38.99

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

$31.98 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Valve Cover Breather Adapter - -10AN Fittings

ES#4017419 - 034-101-5005 - Valve Cover Breather Adapter - -10AN Fittings - DIY Breather Port Adapter To Allow a Provision For Custom Catch Can Setups On The Audi/VW 2.0T FSI - Uses -10AN Fittings - 034Motorsport - Audi Volkswagen

DIY Breather Port Adapter To Allow a Provision For Custom Catch Can Setups On The Audi/VW 2.0T FSI - Uses -10AN Fittings *Allows for custom catch can installation on 2.0T FSI engines*
For vehicles with FSI engines only.

Brand:
034Motorsport - Corporate Logo
ES#:
4017419
Mfg#:
034-101-5005
In Stock
ON SALE! SAVE 10%
$91.00

This product was last offered at the strikethrough price on
06-28-2026

$81.90 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor - Priced Each

ES#8367 - 1K0998262 - Oxygen Sensor - Priced Each - Keep your engine running efficiently - Bosch - Audi Volkswagen

Keep your engine running efficiently 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
May require re-pinning with the supplied extra connector housing

Brand:
Bosch - Corporate Logo
ES#:
8367
Mfg#:
1K0998262
In Stock
$105.07 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oil Separator Bolt - Priced Each

ES#468916 - N10725401 - Oil Separator Bolt - Priced Each - Used to secure the oil separator to the valve cover. M6x20 - Genuine Volkswagen Audi - Audi Volkswagen

Used to secure the oil separator to the valve cover. M6x20

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
468916
Mfg#:
N10725401
In Stock
3% off MSRP

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

$3.38

This product was last offered at the strikethrough price on
07-19-2026

$3.28 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Separator/PCV Emissions Service Kit

ES#4147925 - 06H103495ACKIT - Oil Separator/PCV Emissions Service Kit - Everything you need to replace a faulty PCV or to perform some preventative maintenance - Vaico - Audi Volkswagen

Everything you need to replace a faulty PCV or to perform some preventative maintenance We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
4147925
Mfg#:
06H103495ACKIT
In Stock at Vendor
$257.99

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

$249.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Pressure Control Valve (PCV)

ES#3559040 - 06H103495AH - Pressure Control Valve (PCV) - Also called the "breather valve" or "oil separator" - Vaico - Audi Volkswagen

Also called the "breather valve" or "oil separator" We Price Match - Give Us A Call or Chat!
For vehicles with TSI engines only

Brand:
Vaico - Corporate Logo
ES#:
3559040
Mfg#:
06H103495AH
Ships in 3 Business Days
$132.99

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

$128.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

NOX Sensor With Control Module

ES#3416815 - 03L907807AF - NOX Sensor With Control Module - Used for diesel emissions control - Genuine Volkswagen Audi - Volkswagen

Used for diesel emissions control

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3416815
Mfg#:
03L907807AF
Ships in 2 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.

$516.99

This product was last offered at the strikethrough price on
07-19-2026

$481.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Billet PCV Check Valve

ES#2864536 - 034-101-2002 - Billet PCV Check Valve - Located under the intake manifold - 034Motorsport - Audi Volkswagen

Located under the intake manifold

Brand:
034Motorsport - Corporate Logo
ES#:
2864536
Mfg#:
034-101-2002
In Stock
ON SALE! SAVE 10%
$51.00

This product was last offered at the strikethrough price on
06-28-2026

$45.90 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Valve Cover (Catch Can) PCV Adapter Plate

ES#2966733 - 010371ECS03 - Valve Cover (Catch Can) PCV Adapter Plate - Add a catch can to your stock valve cover with this billet breather adapter. For use with -10AN ORB Female Fittings. - ECS - Audi Volkswagen

Add a catch can to your stock valve cover with this billet breather adapter. For use with -10AN ORB Female Fittings. 10X Entries For Our 25th Anniversary Sweepstakes!

For vehicles with FSI engines only

Brand:
ECS - Corporate Logo
ES#:
2966733
Mfg#:
010371ECS03
Ships on Dec 2, 2026
ON SALE! SAVE 15%
$186.99

This product was last offered at the strikethrough price on
06-13-2026

$158.94 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

NOX Sensor With Control Module

ES#4669266 - 03L907807AF - NOX Sensor With Control Module - Used for diesel emissions control - URO - Volkswagen

Used for diesel emissions control 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
4669266
Mfg#:
03L907807AF
Ships in 1 Business Day
$339.99 USD
Free Shipping
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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