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Audi B5 Engine Emission Parts

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Pressure Control Valve (PCV) Repair Kit

ES#3648447 - 06a129101dkt2KT - Pressure Control Valve (PCV) Repair Kit - Located under the intake manifold. Includes hose clamps - Genuine Volkswagen Audi - Audi Volkswagen

Located under the intake manifold. Includes hose clamps affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Engine code AWM

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3648447
Mfg#:
06A129101DKT2KT
Ships in 2 Business Days
$126.99

This product was last offered at the strikethrough price on
06-01-2026

$123.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Breather Hose

ES#4505142 - 058103221E - Breather Hose - 'S' shaped hose attached to the bleeder valve under the intake manifold - URO - Audi Volkswagen

'S' shaped hose attached to the bleeder valve under 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!
We Price Match - Give Us A Call or Chat!
Engine codes AWM & ATW. Engine code AEB with automatic transmissions

Brand:
URO - Corporate Logo
ES#:
4505142
Mfg#:
058103221E
Ships in 1 Business Day
$30.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Vacuum Check Valve

ES#2813146 - 07C133529A - Vacuum Check Valve - Located near off of the intake manifold connecting to the suction pump - Hamburg Tech - Audi

Located near off of the intake manifold connecting to the suction pump 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#:
2813146
Mfg#:
07C133529A
In Stock
$12.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor - Priced Each

ES#4505652 - 021906265AK - Oxygen Sensor - Priced Each - Keep your engine running efficiently - Meyle - 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!

Brand:
Meyle - Corporate Logo
ES#:
4505652
Mfg#:
021906265AK
Ships on Oct 13, 2026
$74.85

This product was last offered at the strikethrough price on
12-29-2025

$61.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Hose Clamp - Priced Each

ES#467785 - N10255501 - Hose Clamp - Priced Each - Install new clamps to stay leak free. 17.5x7x.6mm - Genuine Volkswagen Audi - Audi Volkswagen

Install new clamps to stay leak free. 17.5x7x.6mm affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Engine codes AEB & ATW - Secures the bleeder valve to the vent hose

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
467785
Mfg#:
N10255501
In Stock
$2.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

EGR Valve - Right

ES#2142829 - 078131102M - EGR Valve - Right - Also known as the 'combi valve' - Original Equipment Supplier - Audi

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

Brand:
Original Equipment Supplier - Corporate Logo
ES#:
2142829
Mfg#:
078131102M
Back Ordered
$122.99

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

$118.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Gas Cap

ES#2187546 - 1H0201553B - Gas Cap - Keep your fuel system sealed - URO - Audi Volkswagen

Keep your fuel system sealed 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!
Up to VIN 8D-W-070001, split is in the 1998 model year

Brand:
URO - Corporate Logo
ES#:
2187546
Mfg#:
1H0201553B
In Stock
$10.15 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Hex Bolt - Priced Each

ES#465681 - N01021533 - Hex Bolt - Priced Each - Install new hardware with your new parts. M6x15 - Genuine Volkswagen Audi - Audi Volkswagen

Install new hardware with your new parts. M6x15 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Engine code ATW. Secures the secondary air pump bracket to the vehicle

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
465681
Mfg#:
N01021533
In Stock
3% off MSRP

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

$3.38

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

$3.28 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Catch Can Mounting Bracket (straight)

ES#3479288 - IEDIYUU1-7 - Catch Can Mounting Bracket (straight) - To make your custom install as easy as possible, IE offers stainless steel catch can mounting brackets - Integrated Engineering - Audi Volkswagen

To make your custom install as easy as possible, IE offers stainless steel catch can mounting brackets affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Integrated Engineering - Corporate Logo
ES#:
3479288
Mfg#:
IEDIYUU1-7
Back Ordered
Auto Notify
$9.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Crankcase Breather Hose - With PCV Valve

ES#3450044 - 078103224R - Crankcase Breather Hose - With PCV Valve - Large breather hose that runs around the intake manifold - Kayser - Audi Volkswagen

Large breather hose that runs around the intake manifold affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Kayser - Corporate Logo
ES#:
3450044
Mfg#:
078103224R
Ships in 1 day
$56.99

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

$55.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Check Valve - Priced Each

ES#2598354 - 058905291K - Check Valve - Priced Each - Used in multiple locations in the vacuum system - Vaico - Audi Volkswagen

Used in multiple locations in the vacuum system affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
2598354
Mfg#:
058905291K
In Stock at Vendor
$11.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Breather Hose Connector

ES#2710724 - 06B103221P - Breather Hose Connector - Connects the valve cover to the vent tubes - Vaico - Audi Volkswagen

Connects the valve cover to the vent tubes affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!
Engine code AWM

Brand:
Vaico - Corporate Logo
ES#:
2710724
Mfg#:
06B103221P
In Stock at Vendor
$15.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Combi Valve Inlet Hose

ES#4615941 - 06B133784R - Combi Valve Inlet Hose - Connects combi valve to air pump hose - URO - Audi Volkswagen

Connects combi valve to air pump hose 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!
AWM engine codes only.

Brand:
URO - Corporate Logo
ES#:
4615941
Mfg#:
06B133784R
Ships in 1 Business Day
$26.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Shouldered Nut - Priced Each

ES#259786 - N90175205 - Shouldered Nut - Priced Each - Install new hardware with your new parts. M6 - Genuine Volkswagen Audi - Audi Volkswagen

Install new hardware with your new parts. M6 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Secures the leak detection pump bracket to the vehicle

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
259786
Mfg#:
N90175205
In Stock
$3.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Retaining Spring - Priced Each

ES#4871901 - 037121142A - Retaining Spring - Priced Each - Keep your lines and hoses secure - Bremmen Parts - Audi Volkswagen

Keep your lines and hoses secure affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Used to retain vent hose on crankcase breather assembly

Brand:
Bremmen Parts - Corporate Logo
ES#:
4871901
Mfg#:
037121142A
Ships on Aug 10, 2026
Auto Notify
ON SALE! SAVE 29%
$7.99

This product was last offered at the strikethrough price on
05-29-2026

$5.70 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Vacuum Tank

ES#357507 - 443131541 - Vacuum Tank - Holds vacuum pressure - Genuine Volkswagen Audi - Audi Volkswagen

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

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
357507
Mfg#:
443131541
Ships in 1 day
11% off MSRP

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

$56.99

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

$50.99 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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