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Volkswagen Engine Emission Parts

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Breather Assembly

ES#274480 - 037103772B - Breather Assembly - Attaches directly to the engine block - Genuine Volkswagen Audi - Audi Volkswagen

Attaches directly to the engine block For vehicles with AEB or ATW engine codes only

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
274480
Mfg#:
037103772B
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.

$128.99

This product was last offered at the strikethrough price on
08-24-2026

$119.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

PCV Breather Hose

ES#281504 - 06J103221A - PCV Breather Hose - Connects PCV to the intake manifold - Genuine Volkswagen Audi - Audi Volkswagen

Connects PCV to the intake manifold For vehicles with TSI engines only

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
281504
Mfg#:
06J103221A
In Stock
Limited Qty Sale
$99.46

This product was last offered at the strikethrough price on
06-15-2026

$79.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor - Front

ES#2997592 - 04E906262EE - Oxygen Sensor - Front - Heated oxygen sensor for proper fuel trims - Genuine Volkswagen Audi - Volkswagen

Heated oxygen sensor for proper fuel trims

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2997592
Mfg#:
04E906262EE
Ships in 1-2 days
80% off MSRP

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

$395.82

This product was last offered at the strikethrough price on
04-27-2026

$79.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Pressure Control Valve (PCV)

ES#4883733 - 077103245B - Pressure Control Valve (PCV) - Also called the "breather valve" or "oil separator" - Rein - Audi Volkswagen

Also called the "breather valve" or "oil separator" 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!
For vehicles with VIN from 3B-2-000 001 through VIN 3B-2-341 000 or 3B-2E397 000 only, splits are in the 2002 model year

Brand:
Rein - Corporate Logo
ES#:
4883733
Mfg#:
077103245B
In Stock
$31.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Allen Bolt - Priced Each

ES#252646 - N90271604 - Allen Bolt - Priced Each - Install new hardware with your new parts. M6x22 - Genuine Volkswagen Audi - Audi Volkswagen

Install new hardware with your new parts. M6x22

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
252646
Mfg#:
N90271604
In Stock
$4.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Secondary Air Injection Valve - (NO LONGER AVAILABLE)

ES#269591 - 022131101G - Secondary Air Injection Valve - (NO LONGER AVAILABLE) - Also known as the combi valve - Genuine Volkswagen Audi - Audi Volkswagen

Also known as the combi valve Fits right side only

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
269591
Mfg#:
022131101G
In Stock
7% off MSRP

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

$512.99

This product was last offered at the strikethrough price on
08-24-2026

$477.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor - priced each

ES#2862769 - 24326 - Oxygen Sensor - priced each - Keep your engine running efficiently - NGK - Audi Volkswagen

Keep your engine running efficiently We Price Match - Give Us A Call or Chat!
For vehicles with CBFA engine code only. Center position.

Brand:
NGK - Corporate Logo
ES#:
2862769
Mfg#:
24326
In Stock at Vendor
$158.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor

Located before the catalytic converter Fits the right manifold

Brand:
Delphi - Corporate Logo
ES#:
4660534
Mfg#:
1K0998262J
Ships in 2 Business Days
$163.99

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

$158.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Billet Aluminum Block Breather Adapter - 1.8T

ES#4147630 - 034-101-5002 - Billet Aluminum Block Breather Adapter - 1.8T - 1" Nipple, billet aluminum block breather adapter for a custom crankcase breather setup - 034Motorsport - Audi Volkswagen

1" Nipple, billet aluminum block breather adapter for a custom crankcase breather setup 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
4147630
Mfg#:
034-101-5002
In Stock
ON SALE! SAVE 14%
$25.00

This product was last offered at the strikethrough price on
08-17-2026

$21.38 USD
Free Shipping
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!

Brand:
APR - Corporate Logo
ES#:
4487795
Mfg#:
MS100218
Ships on Sep 24, 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
08-24-2026

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

Emissions Service Kit - Stage 1

ES#2090780 - 3B0198007 - Emissions Service Kit - Stage 1 - Complete kit to service your problematic PCV and breather hoses - Assembled By ECS - Volkswagen

Complete kit to service your problematic PCV and breather hoses 10X Entries Into Our F80 M3 Sweepstakes
If you have a 2003+ model year vehicle, this is the kit you need.
For vehicles with VIN from 3B-2-341 001 or 3B-2E397 001 only, splits are in the 2002 model year

Brand:
Assembled By ECS - Corporate Logo
ES#:
2090780
Mfg#:
3B0198007
Back Ordered
ON SALE!
$509.99

This product was last offered at the strikethrough price on
08-13-2026

$468.52 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Pressure Control Valve (PCV)

ES#3579572 - 06K103495AT - 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!

Brand:
Vaico - Corporate Logo
ES#:
3579572
Mfg#:
06K103495AT
Ships on Dec 18, 2026
$155.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Catch Tank System

ES#1892724 - FMMK5CT - Oil Catch Tank System - Don't allow oil through your PCV system! - Forge - Volkswagen

Don't allow oil through your PCV system! For vehicles with FSI engine without a carbon filter

Brand:
Forge - Corporate Logo
ES#:
1892724
Mfg#:
FMMK5CT
Ships in 6 Business Days
$465.99 USD
Free Shipping
on orders $49 and up

Oil Filter Adapter Gasket

ES#2587637 - 06A115441J - Oil Filter Adapter Gasket - Seals the oil filter adapter to the engine block - Elring - Audi Volkswagen

Seals the oil filter adapter to the engine block 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!
For vehicles with AUG or AWM engine codes only.

Brand:
Elring - Corporate Logo
ES#:
2587637
Mfg#:
06A115441J
In Stock
$4.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Vacuum Pump

ES#2779677 - 06D145100H - Vacuum Pump - Generates vacuum when under positive pressure - Vaico - Audi Volkswagen

Generates vacuum when under positive pressure We Price Match - Give Us A Call or Chat!
For vehicles with FSI engines only

Brand:
Vaico - Corporate Logo
ES#:
2779677
Mfg#:
06D145100H
Ships in 2 Business Days
$476.99

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

$463.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Silicone Vacuum Hose Kit - Blue

ES#3130098 - 010377ECS01-03 - Silicone Vacuum Hose Kit - Blue - Sleek, heavy duty silicone vacuum hoses to eliminate cracked lines or to dress up any 1.8T engine bay! - ECS - Volkswagen

Sleek, heavy duty silicone vacuum hoses to eliminate cracked lines or to dress up any 1.8T engine bay! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
3130098
Mfg#:
010377ECS01-03
Ships on Nov 13, 2026
ON SALE! SAVE 30%
$93.99

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

$65.79 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.

Other Volkswagen Engine Emission Parts

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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