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Audi A4 Engine Emission Parts

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ES#5341362 - 4G0201550M - Gas Cap With Strap - Replace your leaking cap or the one left at the pump - URO - Audi

Replace your leaking cap or the one left at the pump affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Fits up to production date 11/07/2016

Brand:
URO - Corporate Logo
ES#:
5341362
Mfg#:
4G0201550M
Ships in 1 Business Day
$35.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#1833471 - 06E131143AG - Connecting Pipe - Connects the two combi valves together - Genuine Volkswagen Audi - Audi

Connects the two combi valves together affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
1833471
Mfg#:
06E131143AG
Ships in 1-2 days
8% off MSRP

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

$258.99

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

$236.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3130044 - 06k103495af - Oil Separator/PCV Valve - Also called the "breather valve" or "oil separator" - Vaico - 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!
For vehicles with production dates up to 04/11/2018

Brand:
Vaico - Corporate Logo
ES#:
3130044
Mfg#:
06K103495AF
Back Ordered
$107.67

This product was last offered at the strikethrough price on
03-31-2026

$88.64 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3659043 - 06h103495akt2KT - Pressure Control Valve (PCV) Repair Kit - Also called the "breather valve" or "oil separator". Located on top of the valve cover. - Assembled By ECS - Audi

Also called the "breather valve" or "oil separator". Located on top of the valve cover. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Fits from production date 3/31/2012 - Please check existing part number before ordering

Brand:
Assembled By ECS - Corporate Logo
ES#:
3659043
Mfg#:
06H103495AKT2KT
In Stock
ON SALE! SAVE 24%
$108.99

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

$82.88 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Diagnosis pump for fuel system affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
SMP - Corporate Logo
ES#:
4057654
Mfg#:
8E0906201K
In Stock at Vendor
$678.99

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

$659.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2611 - 021906265AK - Oxygen Sensor - Priced Each - Keep your engine running efficiently - Bosch - Audi Volkswagen

Keep your engine running efficiently affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!
For engine code AHA, fits left and right position

Brand:
Bosch - Corporate Logo
ES#:
2611
Mfg#:
021906265AK
In Stock at Vendor
$109.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#259455 - 8E0201553E - Gas Cap - Replace your leaking cap or the one left at the pump - Genuine Volkswagen Audi - Audi

Replace your leaking cap or the one left at the pump affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
259455
Mfg#:
8E0201553E
Ships on Jun 8, 2026
8% off MSRP

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

$70.99

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

$64.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2104010 - 1K0201557A - Gas Cap Seal - Seals the connection between the gas cap and filler neck - Genuine Volkswagen Audi - Audi Volkswagen

Seals the connection between the gas cap and filler neck affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2104010
Mfg#:
1K0201557A
In Stock
19% off MSRP

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

$21.58

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

$17.48 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2103964 - 1J0201550BF9B9 -  Gas Cap  - Replacement fuel tank cap for your vehicle. Tether included. - Genuine Volkswagen Audi - Audi Volkswagen

Replacement fuel tank cap for your vehicle. <font color='red'>Tether included.</font> affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Up to VIN 8D-W-070001, split is in the 1998 model year

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2103964
Mfg#:
1J0201550BF9B9
Ships in 2 Business Days
6% off MSRP

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

$48.99

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

$45.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
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.

Brand:
Autobahn Autoworx - Corporate Logo
ES#:
4405085
Mfg#:
AUT-MK5-003
In Stock at Vendor
Starting at $60.00 USD
Free Shipping
on orders $49 and up
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
Intake flap control solenoid - Fits from the 2013 model year

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
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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
4147630
Mfg#:
034-101-5002
In Stock
$25.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#257104 - N90704007 - Hex Bolt - Priced Each - Install new hardware with your new parts. M7x55 - Genuine Volkswagen Audi - Audi Volkswagen

Install new hardware with your new parts. M7x55 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Engine code AWM. Secures the oil filter adapter to the engine

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
257104
Mfg#:
N90704007
In Stock
$4.25 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4818428 - 06A103213F - Crankcase Breather Tube - Connects the oil filter adapter to the three-way valve housing - Bremmen Parts - Audi Volkswagen

Connects the oil filter adapter to the three-way valve housing affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Engine code AWM

Brand:
Bremmen Parts - Corporate Logo
ES#:
4818428
Mfg#:
06A103213F
In Stock
ON SALE! SAVE 10%
$13.99

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

$12.59 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2772076 - 058133753D - Suction Pump - Restore engine performance - URO - Audi Volkswagen

Restore engine performance affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2772076
Mfg#:
058133753D
In Stock
$28.42

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

$21.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4818419 - 058133753D - Suction Pump - Restore engine performance - Bremmen Parts - Audi Volkswagen

Restore engine performance affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4818419
Mfg#:
058133753D
In Stock
ON SALE! SAVE 23%
$16.99

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

$13.05 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

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

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