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Audi A4 Engine Emission Parts

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Vacuum Pump

ES#4750151 - 06E145100T - Vacuum Pump - Generates vacuum when under positive pressure - Hamburg Tech - Audi

Generates vacuum when under positive pressure 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#:
4750151
Mfg#:
06E145100T
Ships in 1 Business Day
$159.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Solenoid Valve - Priced Each

ES#3537013 - 037906283C - Solenoid Valve - Priced Each - Common cure for DTC P0441 - Hamburg Tech - Audi Volkswagen

Common cure for DTC P0441 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!
Intake flap control solenoid - Fits up to the 2012 model year

Brand:
Hamburg Tech - Corporate Logo
ES#:
3537013
Mfg#:
037906283C
Ships in 1 Business Day
$39.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Breather Tube

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

PCV Breather Hose

ES#3086000 - 06J103221A - PCV Breather Hose - Connects PCV to the intake manifold - Vaico - Audi Volkswagen

Connects PCV to the intake manifold affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!
Up to the 2012 model year

Brand:
Vaico - Corporate Logo
ES#:
3086000
Mfg#:
06J103221A
In Stock at Vendor
$80.99

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

$77.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Three-Way Valve Housing

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

Oxygen Sensor - Priced Each

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
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

Vacuum Pump

ES#4785789 - 06E145100T - Vacuum Pump - Generates vacuum when under positive pressure - URO - Audi

Generates vacuum when under positive pressure 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#:
4785789
Mfg#:
06E145100T
Ships in 1 Business Day
$148.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rear Oxygen Sensor - Priced Each

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

Brand:
NTK - Corporate Logo
ES#:
4057478
Mfg#:
1K0998262T
In Stock at Vendor
$152.99

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

$147.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Allen Bolt - Priced Each

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
In Stock
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
06-08-2026

$2.91 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Purge Valve Assembly

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 day
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
06-08-2026

$145.37 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

PCV Gasket

ES#4940016 - 06E103771C - PCV Gasket - Located between the PCV and the engine block - Elring - Audi

Located between the PCV and the engine block affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Fits up to VIN 8E-6-285000 - Split is in the 2006 model year

Brand:
Elring - Corporate Logo
ES#:
4940016
Mfg#:
06E103771C
In Stock
$20.99

This product was last offered at the strikethrough price on
04-15-2026

$11.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Front Oxygen Sensor - Priced Each

ES#2636229 - 1K0998262F - Front Oxygen Sensor - Priced Each - Keep your engine running efficiently - Walker - Audi Volkswagen

Keep your engine running efficiently affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Fits left and right position

Brand:
Walker - Corporate Logo
ES#:
2636229
Mfg#:
1K0998262F
In Stock at Vendor
$176.99

This product was last offered at the strikethrough price on
04-10-2026

$142.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Suction Pump

ES#3146963 - 078133701E - Suction Pump - Restore engine performance - Kayser - Audi

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

Brand:
Kayser - Corporate Logo
ES#:
3146963
Mfg#:
078133701E
Ships in 1 day
$142.40 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Breather Tube

ES#8583 - 06D103213G - Breather Tube - Breather hose on back of valve cover, common boost leak area - Genuine Volkswagen Audi - Audi

Breather hose on back of valve cover, common boost leak area affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Fits up to VIN 8E-6-165 000 - Split is in the 2006 model year

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
8583
Mfg#:
06D103213G
In Stock
8% off MSRP

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

$154.99

This product was last offered at the strikethrough price on
06-08-2026

$141.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor - Priced Each

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

Crankcase Breather Hose Kit

ES#2214900 - 06A198298 - Crankcase Breather Hose Kit - Includes the "L" & "T" shaped breather hoses, breather valve, and tube with hardware - Assembled By ECS - Audi

Includes the "L" & "T" shaped breather hoses, breather valve, and tube with hardware affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Up to VIN 8E-3-040000, split is in the 2003 model year

Brand:
Assembled By ECS - Corporate Logo
ES#:
2214900
Mfg#:
06A198298
Ships on Aug 10, 2026
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ON SALE! SAVE 27%
$63.91

This product was last offered at the strikethrough price on
01-03-2026

$46.69 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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