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Audi B9 A4 FWD 2.0T Engine Emission Parts

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ES#2831989 - 4G0201550M - Gas Cap With Strap - 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
Fits up to production date 11/07/2016

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2831989
Mfg#:
4G0201550M
Ships in 3 Business 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.

$71.99

This product was last offered at the strikethrough price on
06-30-2026

$65.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
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 2X Entries For Our 25th Anniversary Sweepstakes!
Fits up to production date 11/07/2016

Brand:
URO - Corporate Logo
ES#:
5341362
Mfg#:
4G0201550M
In Stock
$35.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3648624 - 06L133781BG - Purge Valve Assembly - Is your Audi suffering from a rough idle, poor fuel economy, or that dreaded Check Engine Light? The culprit might just be a failing EVAP purge valve. - Genuine Volkswagen Audi - Audi

Is your Audi suffering from a rough idle, poor fuel economy, or that dreaded Check Engine Light? The culprit might just be a failing EVAP purge valve. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3648624
Mfg#:
06L133781BG
Ships in 1-2 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.

$156.67

This product was last offered at the strikethrough price on
06-30-2026

$145.37 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
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
ES#4460630 - rad20-0530 - Universal 10AN ORB To 3/8" Barb - This PCV can be used on the outlet of any Radium Engineering catch can - Radium Engineering - Audi BMW Volkswagen Mercedes Benz MINI Porsche

This PCV can be used on the outlet of any Radium Engineering catch can affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Radium Engineering - Corporate Logo
ES#:
4460630
Mfg#:
RAD20-0530
In Stock
$37.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#5396700 - 5WA201550BD - Gas Cap With Strap - Replace your leaking cap, or the one you left at the pump - Hamburg Tech - Audi

Replace your leaking cap, or the one you left at the pump affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Fits vehicle with production dates from 06/21/2021

Brand:
Hamburg Tech - Corporate Logo
ES#:
5396700
Mfg#:
5WA201550BD
In Stock
$45.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4494220 - 06K145100CC - VAC PUMP - Genuine Volkswagen Audi - Audi

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

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4494220
Mfg#:
06K145100CC
Ships in 1-2 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.

$489.99

This product was last offered at the strikethrough price on
06-30-2026

$456.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4809696 - 38770 - Innovate LC-2 Wideband O2 Controller Kit - Includes Lambda cable & 8-foot sensor cable. - Innovate Motorsports - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Includes Lambda cable & 8-foot sensor cable. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Innovate Motorsports - Corporate Logo
ES#:
4809696
Mfg#:
38770
In Stock
$212.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4001177 - CTA2064 - Thin Wall Oxygen Sensor Socket - Out of space? Use this thin wall socket. - CTA Tools - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Out of space? Use this thin wall socket. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
CTA Tools - Corporate Logo
ES#:
4001177
Mfg#:
CTA2064
In Stock
$17.85 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4490396 - 4680-1 - Oxygen Sensor Socket - 22mm - Properly remove stubborn o2 sensors. - Hazet - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Properly remove stubborn o2 sensors. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Hazet - Corporate Logo
ES#:
4490396
Mfg#:
4680-1
Ships in 2 Business Days
$118.99

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

$115.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4829950 - 06K103495BLKT1 - PCV Service Kit - Everything you need to replace a faulty PCV or to perform some preventative maintenance - Assembled By ECS - Audi

Everything you need to replace a faulty PCV or to perform some preventative maintenance affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
4829950
Mfg#:
06K103495BLKT1
In Stock
$300.99

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

$255.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement
ES#4001163 - CTA2068 - Oxygen Sensor Thread Chaser - Remove rust and dirt for easy installation with this tool - CTA Tools - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Remove rust and dirt for easy installation with this tool affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
CTA Tools - Corporate Logo
ES#:
4001163
Mfg#:
CTA2068
In Stock
$11.41 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
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! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
APR - Corporate Logo
ES#:
4487795
Mfg#:
MS100218
Ships on Jul 28, 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
06-30-2026

$234.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4428997 - 8W0201550J - RS5 Gas Cap - Fuel filler cap with Audi 'RS' logo - Includes retaining strap - Genuine Volkswagen Audi - Audi

Fuel filler cap with Audi 'RS' logo - Includes retaining strap affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4428997
Mfg#:
8W0201550J
Ships in 10 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.

$69.99

This product was last offered at the strikethrough price on
06-30-2026

$63.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2949705 - SLY88750B - Oxygen Sensor Wrench 3/8" drive - O2 Sensor Socket - Schley - Audi Volkswagen Mercedes Benz MINI

O2 Sensor Socket affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Schley - Corporate Logo
ES#:
2949705
Mfg#:
SLY88750B
Ships in 5 Business Days
$59.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3097721 - N1.50X051 - ECS Catch Can O-ring - Replacement ECS catch can O-ring - ECS - Audi BMW Volkswagen MINI

Replacement ECS catch can O-ring affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3097721
Mfg#:
N1.50X051
In Stock
ON SALE! SAVE 25%
$5.99

This product was last offered at the strikethrough price on
06-13-2026

$4.49 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.

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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