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Audi A4 Engine Emission Parts

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ES#3691233 - 8E0133781E - Vent Hose - Hose that comes off of the purge valve near your intake - URO - Audi

Hose that comes off of the purge valve near your intake 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#:
3691233
Mfg#:
8E0133781E
Ships in 2 Business Days
$27.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#258895 - 06A103247 - Three-Way Valve Housing - 'T' shaped connection below the intake manifold - Genuine Volkswagen Audi - Audi Volkswagen

'T' shaped connection below the intake manifold affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
258895
Mfg#:
06A103247
Ships in 3 Business Days
9% off MSRP

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

$22.99

This product was last offered at the strikethrough price on
06-07-2026

$20.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#263953 - N10258101 - Hose Clamp - Priced Each - Install new clamps to stay leak free. 23-35x9x.5 - Genuine Volkswagen Audi - Audi Volkswagen

Install new clamps to stay leak free. 23-35x9x.5 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Secures the bleeder valve to the 'T' shaped fitting

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
263953
Mfg#:
N10258101
Ships in 3 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.

$7.99

This product was last offered at the strikethrough price on
06-07-2026

$6.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#5375 - 078906265D - Oxygen Sensor - Fits left &/or right sides - Bosch - Audi

Fits left &/or right sides affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
5375
Mfg#:
078906265D
Ships in 1-2 days
$82.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#257161 - 1C0906517A - Purge Valve - Common cure for DTC P0441 - Hudson - Audi Volkswagen

Common cure for DTC P0441 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Hudson - Corporate Logo
ES#:
257161
Mfg#:
1C0906517A
Ships in 1-2 days
$40.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#280454 - 06D145117A - Vacuum Pump Gasket - Recommended to be replaced when replacing vacuum pump. 56mm - Genuine Volkswagen Audi - Audi Volkswagen

Recommended to be replaced when replacing vacuum pump. 56mm affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For use with vacuum pump part numbers 06D 145 100F & 06D 145 100G only

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
280454
Mfg#:
06D145117A
Ships in 3 Business Days
11% off MSRP

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

$45.99

This product was last offered at the strikethrough price on
06-07-2026

$40.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#280186 - 06C103221F - Vent Tube - Keep your engine running correctly - Genuine Volkswagen Audi - Audi

Keep your engine running correctly affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
280186
Mfg#:
06C103221F
Ships in 9 Business Days
22% off MSRP

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

$103.34

This product was last offered at the strikethrough price on
06-07-2026

$80.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#5426248 - EBFI7001220C - BFI FSI CrankCase Breather Adapter W/ Twin -8 To Flare Fittings - This simple machined piece gives a clean and OEM look to your engine bay. - Black Forest Industries - Audi Volkswagen

This simple machined piece gives a clean and OEM look to your engine bay. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
From production date 12/17/2005

Brand:
Black Forest Industries - Corporate Logo
ES#:
5426248
Mfg#:
EBFI7001220C
Ships on Jun 30, 2026
$79.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#280865 - 06E133148A - PCV O-Ring - Seals the PCV valve to the intake manifold - Genuine Volkswagen Audi - Audi

Seals the PCV valve to the intake manifold affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
280865
Mfg#:
06E133148A
Ships in 3 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.

$22.99

This product was last offered at the strikethrough price on
06-07-2026

$19.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4145067 - 06K103484F - Oil Separator/PCV Valve Gasket - Replacement seal for the pcv Located on top of your valve cover - Elring - 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
We Price Match - Give Us A Call or Chat!

Brand:
Elring - Corporate Logo
ES#:
4145067
Mfg#:
06K103484F
Ships on Jun 25, 2026
$30.99

This product was last offered at the strikethrough price on
02-07-2026

$19.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#1895504 - 433862117 - Check Valve - Vacuum Non Return Valve - Kayser - Audi

Vacuum Non Return Valve affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Kayser - Corporate Logo
ES#:
1895504
Mfg#:
433862117
Ships in 1-2 days
$16.99

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

$15.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
281352
Mfg#:
06H103517D
Ships in 3 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
06-07-2026

$25.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2575555 - 06A103213F - Crankcase Breather Hose  - Connects the oil filter adapter to the three-way valve housing - Hamburg Tech - Audi Volkswagen

Connects the oil filter adapter to the three-way valve housing affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!
Engine code AWM

Brand:
Hamburg Tech - Corporate Logo
ES#:
2575555
Mfg#:
06A103213F
Ships in 2 Business Days
$12.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4810701 - 058905291K - Check Valve - Priced Each - Rear position two required per vehicle - Rein - Audi Volkswagen

Rear position two required per vehicle affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
4810701
Mfg#:
058905291K
In Stock at Vendor
$5.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
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
ES#450433 - 8K0201933M - Vacuum Control Line - Keep your vacuum system in check - Genuine Volkswagen Audi - Audi

Keep your vacuum system in check affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
450433
Mfg#:
8K0201933M
Back Ordered
12% 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
02-20-2026

$37.99 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

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

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