Call Us330-331-2003 ChatLive Chat Text Us!
0
Sales & Specials
Enter Your Vehicle
garage-red
Your Vehicle Audi B5 A4 FWD 1.8T

Audi B5 A4 FWD 1.8T Engine Emission Parts

Sort By
Filter By
Return to Top
ES#257303 - 035103245A - Bleeder Valve - Located under the intake manifold - Genuine Volkswagen Audi - Audi Volkswagen

Located under the intake manifold affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
257303
Mfg#:
035103245A
In Stock at Vendor
$48.99

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

$47.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2966838 - 034-104-2002 -  Silicone Air Pump Hose - Connects the metal pipes in the air pump system - 034Motorsport - Audi Volkswagen

Connects the metal pipes in the air pump system affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Engine codes ATW & AWM

Brand:
034Motorsport - Corporate Logo
ES#:
2966838
Mfg#:
034-104-2002
In Stock
$15.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#279947 - 06B103213G - Breather Tube - Connects the hose connector to the 'T' shaped fitting - Genuine Volkswagen Audi - Audi Volkswagen

Connects the hose connector to the 'T' shaped fitting affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Engine code AWM

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
279947
Mfg#:
06B103213G
Ships in 1 day
9% off MSRP

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

$194.99

This product was last offered at the strikethrough price on
02-26-2026

$177.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2804310 - 06A129101DKT1 - Pressure Control Valve (PCV) - (19mm) - Located on the intake hose leading to the turbo inlet. Includes hose clamps - Assembled By ECS - Audi Volkswagen

Located on the intake hose leading to the turbo inlet. Includes hose clamps affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Engine code AWM

Brand:
Assembled By ECS - Corporate Logo
ES#:
2804310
Mfg#:
06A129101DKT1
In Stock
ON SALE! SAVE 22%
$21.19

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

$16.48 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#279948 - 06B103213K - Breather Tube - Connects the hose connector to the PCV elbow - Genuine Volkswagen Audi - Audi Volkswagen

Connects the hose connector to the PCV elbow affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Engine code AWM

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
279948
Mfg#:
06B103213K
Ships in 2 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.

$189.99

This product was last offered at the strikethrough price on
02-26-2026

$169.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3432392 - 034-101-3026 - Lower Block Breather Hose - designed to replace all of the crumbling plastic and rubber series of hoses making up the lower block breather - 034Motorsport - Audi

designed to replace all of the crumbling plastic and rubber series of hoses making up the lower block breather affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Fits AEB & ATW engine codes only

Brand:
034Motorsport - Corporate Logo
ES#:
3432392
Mfg#:
034-101-3026
Ships in 2 Business Days
$169.00 USD
Free Shipping
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 30%
$5.99

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

$4.19 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2918547 - 058133817D - Secondary Air Injection Hose - Outlet - Connects the secondary air pump to the metal pipe - Vaico Q+ - Audi Volkswagen

Connects the secondary air pump to the metal pipe affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Engine codes ATW & AWM

Brand:
Vaico Q+ - Corporate Logo
ES#:
2918547
Mfg#:
058133817D
Ships in 1 day
$55.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2812997 - 06A103247 - Three-Way Valve Housing - 'T' shaped connection below the intake manifold - Hamburg Tech - Audi Volkswagen

'T' shaped connection below the intake manifold 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#:
2812997
Mfg#:
06A103247
Ships in 1 Business Day
$11.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4818508 - 07C133529A - Vacuum Check Valve - Located near off of the intake manifold connecting to the suction pump - Bremmen Parts - Audi

Located near off of the intake manifold connecting to the suction pump affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4818508
Mfg#:
07C133529A
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
ES#3450039 - 06B103213G - Breather Tube - Connects the hose connector to the 'T' shaped fitting - Kayser - Audi Volkswagen

Connects the hose connector to the 'T' shaped fitting affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Engine code AWM

Brand:
Kayser - Corporate Logo
ES#:
3450039
Mfg#:
06B103213G
Ships in 3 Business Days
$54.99

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

$52.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2866151 - 06A103213F - Crankcase Breather Tube - Connects the oil filter adapter to the three-way valve housing - Febi - Audi Volkswagen

Connects the oil filter adapter to the three-way valve housing 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!
Engine code AWM

Brand:
Febi - Corporate Logo
ES#:
2866151
Mfg#:
06A103213F
In Stock at Vendor
$26.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#1563 - 15160 - 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 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!
From VIN 8D-W-007800, split is in the 1998 model year

Brand:
Bosch - Corporate Logo
ES#:
1563
Mfg#:
15160
In Stock at Vendor
$155.70 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#466521 - N01474011 - Allen Bolt - Priced Each - Install new hardware with your new parts. M6x16 - Genuine Volkswagen Audi - Audi Volkswagen

Install new hardware with your new parts. M6x16 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Engine code ATW. Secures the connecting pipe to the EGR valve

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
466521
Mfg#:
N01474011
Ships in 1-3 days
5% off MSRP

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

$3.06

This product was last offered at the strikethrough price on
06-03-2026

$2.91 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2712768 - 078906265AA - Oxygen Sensor - Priced Each - Located behind the catalytic converter - Vemo - Audi Volkswagen

Located behind the catalytic converter affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Vemo - Corporate Logo
ES#:
2712768
Mfg#:
078906265AA
In Stock at Vendor
$141.67 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2661314 - 058131101B - EGR Valve - Also known as the 'combi valve' - Pierburg - Audi Volkswagen

Also known as the 'combi valve' affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Engine code ATW

Brand:
Pierburg - Corporate Logo
ES#:
2661314
Mfg#:
058131101B
Ships in 1 day
$139.99 USD
Free Shipping
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.

Terms of Use Privacy Policy ECS Tuning is part of Enthusiast Auto Holdings