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Audi Engine Emission Parts

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Breather Valve Boot

ES#272959 - 034103247G - Breather Valve Boot - Connects the PCV assembly to the suction pump hose - Genuine Volkswagen Audi - Audi

Connects the PCV assembly to the suction pump hose affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
272959
Mfg#:
034103247G
Ships in 8 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.

$96.99

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

$88.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor - Priced Each

ES#2598388 - 06A906262Q - Oxygen Sensor - Priced Each - Keep your engine running efficiently, restore MPG, and clear check engine lights - Vemo - Audi Volkswagen

Keep your engine running efficiently, restore MPG, and clear check engine lights affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with ATC engine code only

Brand:
Vemo - Corporate Logo
ES#:
2598388
Mfg#:
06A906262Q
Special Order: No Guaranteed ETA
$144.99

This product was last offered at the strikethrough price on
03-19-2026

$88.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Breather Tube - Priced Each

ES#4859586 - 06C103235A - Breather Tube - Priced Each - Connects the cylinder block vent cover with the PCV valve - Vaico - Audi

Connects the cylinder block vent cover with the PCV valve affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!
From VIN 4B-3-075001, split is in the 2003 model year

Brand:
Vaico - Corporate Logo
ES#:
4859586
Mfg#:
06C103235A
In Stock at Vendor
$29.17 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Evaporative Emissions System Lines - (NO LONGER AVAILABLE)

ES#1906288 - 427201163A - Evaporative Emissions System Lines - (NO LONGER AVAILABLE) - Evaporation line that collects fumes from the gas tank to recollect and send back into in the gas tank - Genuine Volkswagen Audi - Audi

Evaporation line that collects fumes from the gas tank to recollect and send back into in the gas tank affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
1906288
Mfg#:
427201163A
In Stock
ON SALE! SAVE 24%
$113.99

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

$86.93 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Filling Hose for AdBlue Urea Solution

ES#2631596 - 000012499 - Filling Hose for AdBlue Urea Solution - Attaches to container and mounts to vehicle tank for spill-less filling of Adblue solution - Genuine Volkswagen Audi - Audi Volkswagen

Attaches to container and mounts to vehicle tank for spill-less filling of Adblue solution affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2631596
Mfg#:
000012499
Ships on Dec 4, 2026
Auto Notify
11% off MSRP

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

$48.38

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

$43.06 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Secondary Air Injection Valve Adapter

ES#269593 - 022131119B - Secondary Air Injection Valve Adapter - Connects combi valve to cylinder head - Genuine Volkswagen Audi - Audi Volkswagen

Connects combi valve to cylinder head affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
269593
Mfg#:
022131119B
Ships in 8 Business 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.

$91.99

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

$85.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Angled Breather Hose

ES#277662 - 058133784AF - Angled Breather Hose - Connects the check valve and the suction jet pipe - Genuine Volkswagen Audi - Audi

Connects the check valve and the suction jet pipe affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
277662
Mfg#:
058133784AF
Ships in 2 Business Days
10% off MSRP

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

$47.99

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

$42.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Three-Way Valve Housing

ES#4818429 - 06A103247 - Three-Way Valve Housing - 'T' shaped connection below the intake manifold - Bremmen Parts - Audi Volkswagen

'T' shaped connection below the intake manifold affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4818429
Mfg#:
06A103247
Ships on Oct 1, 2026
Auto Notify
ON SALE! SAVE 18%
$7.99

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

$6.52 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Breather Hose

ES#3462920 - 06A103221BH - Breather Hose - 3-way breather hose at sits on top of the valve cover - Kayser - Audi Volkswagen

3-way breather hose at sits on top of the valve cover affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For models with AWP engine code - Up to the 2002 model year

Brand:
Kayser - Corporate Logo
ES#:
3462920
Mfg#:
06A103221BH
Ships in 1-2 days
$28.22 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

PCV Breather Hose

ES#3085998 - 06J103213D - PCV Breather Hose - Located at rear of PCV - Vaico - Audi Volkswagen

Located at rear of PCV 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#:
3085998
Mfg#:
06J103213D
In Stock at Vendor
$86.99

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

$83.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rear Oxygen Sensor - Priced Each

ES#3625343 - 1K0998262T - Rear Oxygen Sensor - Priced Each - Keep your engine running efficiently - FAE - Audi Volkswagen

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

Brand:
FAE - Corporate Logo
ES#:
3625343
Mfg#:
1K0998262T
Ships on Jul 8, 2026
$83.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor - Priced Each

ES#2894981 - 078906265N - Oxygen Sensor - Priced Each - Keep your engine running efficiently - Vemo - Audi Volkswagen

Keep your engine running efficiently affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Up to the 2001 model year

Brand:
Vemo - Corporate Logo
ES#:
2894981
Mfg#:
078906265N
Special Order: No Guaranteed ETA
$83.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Pressure Control Valve (PCV)

ES#4883737 - 06F129101P - Pressure Control Valve (PCV) - Also called the "breather valve" or "oil separator" - Rein - 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!
From production date 12/17/2005

Brand:
Rein - Corporate Logo
ES#:
4883737
Mfg#:
06F129101P
Ships in 3 Business Days
$41.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Vent Hose

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 1 Business Day
$27.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Three-Way Valve Housing

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 1-2 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
06-13-2026

$20.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Hose Clamp - Priced Each

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 1-2 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
06-13-2026

$6.99 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.

Other Audi Engine Emission Parts

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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