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Audi Engine Emission Parts

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Oil Separator/PCV Valve

Located on top of your valve cover 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bremmen Parts - Corporate Logo
ES#:
4871913
Mfg#:
06K103495AN
Ships on Nov 30, 2026
$78.99 USD
Free Shipping
on orders $49 and up

Polygon Socket Head Bolt - Priced Each

ES#468626 - N10613601 - Polygon Socket Head Bolt - Priced Each - Install new hardware with your new parts. M6x22 - Genuine Volkswagen Audi - Audi Volkswagen

Install new hardware with your new parts. M6x22 Secures the Combi valve to the adapter

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
468626
Mfg#:
N10613601
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
06-12-2026

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

Three-Way Valve Housing

ES#3437197 - 06A103247 - Three-Way Valve Housing - 'T' shaped connection below the intake manifold - Rein - Audi Volkswagen

'T' shaped connection below the intake manifold 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
3437197
Mfg#:
06A103247
In Stock
$7.13 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Combi Valve Inlet Hose

ES#4615941 - 06B133784R - Combi Valve Inlet Hose - Connects combi valve to air pump hose - URO - Audi Volkswagen

Connects combi valve to air pump hose 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
4615941
Mfg#:
06B133784R
Ships in 1 Business Day
$26.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Separator Gasket

ES#281352 - 06H103517D - Oil Separator Gasket - Seal between the oil separator and the engine block - Genuine Volkswagen Audi - Audi

Seal between the oil separator and the engine block

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
281352
Mfg#:
06H103517D
Ships in 2 Business Days
13% off MSRP

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

$29.99

This product was last offered at the strikethrough price on
09-12-2026

$25.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Universal Oxygen Sensor Bung - Priced Each

ES#5051 - ATP-FLS-022 - Universal Oxygen Sensor Bung - Priced Each - Stainless steel weld-in nut for any O2 sensor - ATP - Audi BMW Volkswagen

Stainless steel weld-in nut for any O2 sensor

Brand:
ATP - Corporate Logo
ES#:
5051
Mfg#:
ATP-FLS-022
Ships in 6 Business Days
$12.95 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Secondary Air Injection Hose - Inlet

ES#2918548 - 058133817H - Secondary Air Injection Hose - Inlet - Connects the secondary air pump to the air box - Vaico Q+ - Audi Volkswagen

Connects the secondary air pump to the air box Engine codes ATW & AWM

Brand:
Vaico Q+ - Corporate Logo
ES#:
2918548
Mfg#:
058133817H
Special Order: No Guaranteed ETA
$75.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Breather Hose

ES#1895150 - 06A103213BG - Breather Hose - From T fitting to hose connected to the valve cover. - Rein - Audi Volkswagen

From T fitting to hose connected to the valve cover. 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!
For models with AWP engine code only

Brand:
Rein - Corporate Logo
ES#:
1895150
Mfg#:
06A103213BG
Back Ordered
$75.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Combi Valve Vacuum Hose

ES#1894625 - 06E133773BR - Combi Valve Vacuum Hose - Set of hoses that connect directly to the EGR 'Combi' valves - Genuine Volkswagen Audi - Audi

Set of hoses that connect directly to the EGR 'Combi' valves

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
1894625
Mfg#:
06E133773BR
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.

$80.99

This product was last offered at the strikethrough price on
09-12-2026

$74.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rubber Mount - Priced Each

ES#279476 - 06A133567A - Rubber Mount - Priced Each - Secures the secondary air injection pump to the bracket - Genuine Volkswagen Audi - Audi Volkswagen

Secures the secondary air injection pump to the bracket

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
279476
Mfg#:
06A133567A
In Stock
Limited Qty Sale
$29.99

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

$24.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Locking Gas Cap W/Keys

ES#2568145 - 191201551A - Locking Gas Cap W/Keys - Keep your fuel to yourself. - Blau - Audi Volkswagen

Keep your fuel to yourself. Model year 1996 to 1998

Brand:
Blau - Corporate Logo
ES#:
2568145
Mfg#:
191201551A
Ships in 1-2 days
$36.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Vacuum Control Line

ES#450433 - 8K0201933M - Vacuum Control Line - Keep your vacuum system in check - Genuine Volkswagen Audi - Audi

Keep your vacuum system in check

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
450433
Mfg#:
8K0201933M
Back Ordered
14% off MSRP

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

$42.99

This product was last offered at the strikethrough price on
08-31-2026

$36.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Universal Urea Additive- 10 Liters

ES#2864869 - G052910A4 - Universal Urea Additive- 10 Liters - Diesel exhaust fluid - Vaico - Audi BMW Volkswagen Mercedes Benz Porsche

Diesel exhaust fluid We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
2864869
Mfg#:
G052910A4
Ships in 1 Business Day
$74.99

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

$72.99 USD
Free Shipping
on orders $49 and up

PCV Breather Hose

ES#3236120 - 74711135 - PCV Breather Hose - Connects the PCV valve to intake manifold - Gates - Audi Volkswagen

Connects the PCV valve to intake manifold

Brand:
Gates - Corporate Logo
ES#:
3236120
Mfg#:
74711135
Ships on Oct 1, 2026
$72.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

PCV Elbow Hose

ES#2806315 - 06L133514E - PCV Elbow Hose - A hose that connects the PCV to the solenoid line - Genuine Volkswagen Audi - Audi

A hose that connects the PCV to the solenoid line For vehicles with CYMC engine code only

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2806315
Mfg#:
06L133514E
Ships in 2 Business Days
14% off MSRP

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

$20.99

This product was last offered at the strikethrough price on
09-12-2026

$17.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Vacuum Pump Gasket

ES#4213809 - 07K145215A - Vacuum Pump Gasket - For use with vacuum pump - Victor Reinz - Audi Volkswagen

For use with vacuum pump

Brand:
Victor Reinz - Corporate Logo
ES#:
4213809
Mfg#:
07K145215A
Ships in 1 Business Day
$10.99

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

$8.99 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.

Other Audi Engine Emission Parts

Let us help you find the parts that fit your Audi

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

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