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Audi A4 Engine Emission Parts

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ES#3139060 - 06A959253E - Secondary Air Injection Pump - Keep your engine running efficiently - Hudson - Audi Volkswagen

Keep your engine running efficiently affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Engine codes ATW & AWM from VIN 8D-Y-100001, split is in the 2000 model year

Brand:
Hudson - Corporate Logo
ES#:
3139060
Mfg#:
06A959253E
Ships in 1 day
$230.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2804191 - 06A133528D - Crankcase Vent Valve - Repair vacuum system leaks - Vaico - Audi Volkswagen

Repair vacuum system leaks 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#:
2804191
Mfg#:
06A133528D
In Stock at Vendor
$79.99

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

$76.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Located on the intake hose leading to the turbo inlet affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Fits from VIN 8E-4-000 001 - Split is in the 2004 model year

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
7845
Mfg#:
06A129101F
Ships in 2 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.

$123.99

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

$114.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#7858 - 06A129101D - Pressure Control Valve (PCV) - (19mm) - Located on the intake hose leading to the turbo inlet - Genuine Volkswagen Audi - Audi Volkswagen

Located on the intake hose leading to the turbo inlet affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Fits up to VIN 8E-3-500 000 - Split is in the 2003 model year

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
7858
Mfg#:
06A129101D
Ships in 4 Business Days
6% off MSRP

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

$123.99

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

$115.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3183720 - 06E103547P - Pressure Control Valve (PCV) - Located beneath the intake manifold - Vaico - Audi

Located beneath the intake manifold 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#:
3183720
Mfg#:
06E103547P
In Stock at Vendor
$314.99

This product was last offered at the strikethrough price on
02-13-2026

$224.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#450388 - 8K0201183A - Vent Tube - Connects the charcoal canister and the fuel pump - Genuine Volkswagen Audi - Audi

Connects the charcoal canister and the fuel pump affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
450388
Mfg#:
8K0201183A
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.

$239.99

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

$219.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#432746 - 8D0906321 - Leak Detection Pump Filter - Cleans the air entering the leak detection pump - Genuine Volkswagen Audi - Audi Volkswagen

Cleans the air entering the leak detection pump affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
432746
Mfg#:
8D0906321
Ships in 4 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.

$119.99

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

$109.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#294938 - 191201557 - Gas Cap Seal - Seals the connection between the gas cap and filler neck - Genuine Volkswagen Audi - Audi

Seals the connection between the gas cap and filler neck affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
294938
Mfg#:
191201557
In Stock
10% off MSRP

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

$29.99

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

$26.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2770514 - N01474011 - Allen Bolt (5mm) - Priced Each - Stainless steel for extra corrosion resistance. M6x16 - ECS - Audi Volkswagen

Stainless steel for extra corrosion resistance. M6x16 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Engine code ATW. Secures the connecting pipe to the EGR valve

Brand:
ECS - Corporate Logo
ES#:
2770514
Mfg#:
N01474011
In Stock
ON SALE! SAVE 40%
$0.99

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

$0.59 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#436292 - 8E0133889E - Connecting Pipe - Connects the secondary air pump to the air box - Genuine Volkswagen Audi - Audi

Connects the secondary air pump to the air box affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
436292
Mfg#:
8E0133889E
Ships in 4 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.

$116.99

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

$106.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2866474 - 078906265M - Oxygen Sensor - Front Position  - Keep your engine running efficiently - Febi - Audi

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!
For engine code ATQ, fits left and right position

Brand:
Febi - Corporate Logo
ES#:
2866474
Mfg#:
078906265M
Ships on Sep 2, 2026
$104.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3647145 - 95560560101KT - Secondary Air Injection Pump Kit - Includes rubber mounts to secure your pump - Hamburg Tech - Audi Volkswagen Porsche

Includes rubber mounts to secure your 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#:
3647145
Mfg#:
95560560101KT
Ships in 1 Business Day
$206.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#12056 - 026906283J - Solenoid Valve (N249) - Priced Each - Controls actuation of the Combi Valve or Diverter Valve - Genuine Volkswagen Audi - Audi Volkswagen

Controls actuation of the Combi Valve or Diverter Valve affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
12056
Mfg#:
026906283J
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.

$224.99

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

$205.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#468018 - N10340703 - Hex Bolt - Priced Each - Install new hardware with your new parts. M6x20 - Genuine Volkswagen Audi - Audi Volkswagen

Install new hardware with your new parts. M6x20 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Used to secure the breather tube to the valve cover, 2 required per car

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
468018
Mfg#:
N10340703
In Stock
25% off MSRP

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

$3.99

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

$2.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2718623 - 06F103235A - PCV Breather Hose  - Connects the PCV valve to oil filter adapter - Hamburg Tech - Audi Volkswagen

Connects the PCV valve to oil filter adapter 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#:
2718623
Mfg#:
06F103235A
In Stock
$28.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3188109 - 06E145100T - Vacuum Pump - Generates vacuum when under positive pressure - Pierburg - Audi

Generates vacuum when under positive pressure affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Pierburg - Corporate Logo
ES#:
3188109
Mfg#:
06E145100T
Ships in 1 day
$200.93 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.

Let us help you find the parts that fit your Audi

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Manufacturer names and/or part numbers are used only for identification purposes.

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