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Audi A3 Engine Emission Parts

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Autobahn Autoworx 2.0T FSI Breather Hose Kit - Select Your Color

ES#4405085 - AUT-MK5-003 - Autobahn Autoworx 2.0T FSI Breather Hose Kit - Select Your Color - Replace your stock plastic pipes with silicone - Autobahn Autoworx - Audi Volkswagen

Replace your stock plastic pipes with silicone affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Install photos also show the Silicone Coolant Hose Set (ES4362410) which is not included but available separately.
For vehicles with FSI engine only

Brand:
Autobahn Autoworx - Corporate Logo
ES#:
4405085
Mfg#:
AUT-MK5-003
Ships in 2 Business Days
Starting at $60.00 USD
Customize
Free Shipping
on orders $49 and up

Billet Aluminum DSG Breather Catch Can Kit

ES#4766376 - 034-504-Z034 - Billet Aluminum DSG Breather Catch Can Kit - Replace the tiny OE plastic vent while improving the appearance of your engine bay - 034Motorsport - Audi

Replace the tiny OE plastic vent while improving the appearance of your engine bay affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
4766376
Mfg#:
034-504-Z034
Back Ordered
$309.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Secondary Air Pump

ES#3200746 - 07K959253A - Secondary Air Pump - Keep your emissions system working correctly with a new SAI - Vemo - Audi Volkswagen

Keep your emissions system working correctly with a new SAI affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For TSI engine models with CBFA engine code only

Brand:
Vemo - Corporate Logo
ES#:
3200746
Mfg#:
07K959253A
In Stock at Vendor
$741.99

This product was last offered at the strikethrough price on
12-30-2025

$614.30 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oil Catch Can Kit V2

ES#4474934 - L135B - Oil Catch Can Kit V2 - Protect your engine by preventing excessive crankcase oil vapor entering the intake and carbon build up with LEYO Oil Catch Can Kit - LEYO - Audi Volkswagen

Protect your engine by preventing excessive crankcase oil vapor entering the intake and carbon build up with LEYO Oil Catch Can Kit affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
LEYO - Corporate Logo
ES#:
4474934
Mfg#:
L135B
Ships on Jun 19, 2026
$609.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Gas Cap

ES#5374563 - 1K0201550F - Gas Cap - Click style replacement gas cap, no threads - Hamburg Tech - Audi Volkswagen

Click style replacement gas cap, no threads affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with bayonet/twist lock style gas cap

Brand:
Hamburg Tech - Corporate Logo
ES#:
5374563
Mfg#:
1K0201550F
In Stock
$29.95 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

PCV Breather Hose

ES#4758342 - 06J103213D - PCV Breather Hose - Located at rear of PCV - URO - Audi Volkswagen

Located at rear of PCV affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes! 2X Entries For Our 25th Anniversary Sweepstakes! 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
4758342
Mfg#:
06J103213D
In Stock
$19.99

This product was last offered at the strikethrough price on
03-25-2026

$19.95 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Solenoid Valve - Priced Each

ES#4920521 - 06H906283B - Solenoid Valve - Priced Each - Control valve for the flaps inside the intake manifold - URO - Audi Volkswagen

Control valve for the flaps inside the intake manifold affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes! 2X Entries For Our 25th Anniversary Sweepstakes! 2X Entries For Our 25th Anniversary Sweepstakes!
Replacement for manifold 06J133201BH only

Brand:
URO - Corporate Logo
ES#:
4920521
Mfg#:
06H906283B
In Stock
$34.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

034Motorsport Billet Catch Can Kit

ES#3569870 - 034-101-1007 - 034Motorsport Billet Catch Can Kit - Prevent oil deposits in intake manifold and intake valves, while reducing carbon buildup! - 034Motorsport - Audi Volkswagen

Prevent oil deposits in intake manifold and intake valves, while reducing carbon buildup! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
3569870
Mfg#:
034-101-1007
Back Ordered
$591.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

PCV Breather Hose

ES#3447485 - 06J103213D - PCV Breather Hose - Located at rear of PCV - Rein - Audi Volkswagen

Located at rear of PCV affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes! 2X Entries For Our 25th Anniversary Sweepstakes! 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
3447485
Mfg#:
06J103213D
In Stock
$35.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Pressure Control Valve (PCV)

ES#4899182 - 06H103495AH - Pressure Control Valve (PCV) - Also called the "breather valve" or "oil separator" - Rein - Audi Volkswagen

Also called the "breather valve" or "oil separator" affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes! 2X Entries For Our 25th Anniversary Sweepstakes! 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
For vehicles with TSI engines only

Brand:
Rein - Corporate Logo
ES#:
4899182
Mfg#:
06H103495AH
Back Ordered
Auto Notify
$74.99

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

$70.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

BFI "Clean Catch" - Crankcase Oil Separator KIT

ES#3021890 - CCF001 - BFI "Clean Catch" - Crankcase Oil Separator KIT - Keep your intake tract clean and oil free, with this BFI baffled Oil Catch Can System - Black Forest Industries - Audi Volkswagen

Keep your intake tract clean and oil free, with this BFI baffled Oil Catch Can System affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with FSI engines only

Brand:
Black Forest Industries - Corporate Logo
ES#:
3021890
Mfg#:
CCF001
Ships on Jun 25, 2026
$539.99 USD
Free Shipping
on orders $49 and up

BFI "Clean Catch" - Crankcase Oil Separator KIT

ES#3021898 - CCT004 - BFI "Clean Catch" - Crankcase Oil Separator KIT - Keep your intake tract clean and oil free, with this BFI baffled Oil Catch Can System - Black Forest Industries - Audi Volkswagen

Keep your intake tract clean and oil free, with this BFI baffled Oil Catch Can System affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with TSI engines only

Brand:
Black Forest Industries - Corporate Logo
ES#:
3021898
Mfg#:
CCT004
Ships on Jun 25, 2026
$539.99 USD
Free Shipping

Vacuum Pump

ES#4750144 - 06D145100H - Vacuum Pump - Generates vacuum when under positive pressure - Hamburg Tech - Audi Volkswagen

Generates vacuum when under positive pressure affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!
For vehicles with FSI engines only

Brand:
Hamburg Tech - Corporate Logo
ES#:
4750144
Mfg#:
06D145100H
In Stock
$149.99

This product was last offered at the strikethrough price on
01-21-2026

$134.95 USD
Free Shipping
on orders $49 and up

Oil Separator/PCV Valve Gasket

ES#2737875 - 06K103484F - Oil Separator/PCV Valve Gasket - Replacement seal for the pcv Located on top of your valve cover - Genuine Volkswagen Audi - Audi Volkswagen

Replacement seal for the pcv Located on top of your valve cover affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2737875
Mfg#:
06K103484F
In Stock
17% off MSRP

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

$13.24

This product was last offered at the strikethrough price on
01-07-2026

$11.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

PCV Valve Bolt - Priced Each

ES#471135 - N90905902 - PCV Valve Bolt - Priced Each - Bolt secures the PCV valve to the cylinder head. M5x16mm - Genuine Volkswagen Audi - Audi Volkswagen

Bolt secures the PCV valve to the cylinder head. M5x16mm affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with FSI engines only - 4 required per car

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
471135
Mfg#:
N90905902
In Stock
$2.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Pressure Control Valve (PCV)

ES#4736426 - 06K103495BM - Pressure Control Valve (PCV) - Also called the "breather valve" or "oil separator" - Hamburg Tech - Audi Volkswagen

Also called the "breather valve" or "oil separator" affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
4736426
Mfg#:
06K103495BM
Ships in 1 Business Day
$87.99 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 Audi

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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