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Audi A3 Exhaust Emission Parts

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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

EGR pipe

ES#1833433 - 03G131521AT - EGR pipe - Connects to the exhaust manifold - Genuine Volkswagen Audi - Audi

Connects to the exhaust manifold affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
1833433
Mfg#:
03G131521AT
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.

$149.99

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

$136.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor - Left (Cylinders 4-6)

ES#3419356 - 1K0998262N - Oxygen Sensor - Left (Cylinders 4-6) - Found before the catalytic converter - Walker - Audi Volkswagen

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

Brand:
Walker - Corporate Logo
ES#:
3419356
Mfg#:
1K0998262N
In Stock at Vendor
$161.99

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

$137.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Rear Oxygen Sensor - Priced Each

ES#4057477 - 1K0998262T - Rear Oxygen Sensor - Priced Each - Keep your engine running efficiently - Denso - Audi Volkswagen

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

Brand:
Denso - Corporate Logo
ES#:
4057477
Mfg#:
1K0998262T
In Stock at Vendor
$151.99

This product was last offered at the strikethrough price on
03-16-2026

$135.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor - Priced Each

ES#2825758 - 1K0998262E - 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
Engine code CBFA - For the rear position before the catalyst (4-pin)

Brand:
Walker - Corporate Logo
ES#:
2825758
Mfg#:
1K0998262E
Ships in 1-2 days
$132.99

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

$129.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

EGR Pipe Clamp

ES#4151277 - 1K0253725E - EGR Pipe Clamp - This should be replaced every time the EGR tube is removed. - Rein - Audi Volkswagen

This should be replaced every time the EGR tube is removed. 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:
Rein - Corporate Logo
ES#:
4151277
Mfg#:
1K0253725E
Back Ordered
$16.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rear Oxygen Sensor - Priced Each

ES#2570165 - 1K0998262T - Rear 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

Brand:
Walker - Corporate Logo
ES#:
2570165
Mfg#:
1K0998262T
Ships in 1-2 days
$117.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor - Right (Cylinders 1-3)

ES#4069370 - 022906262BM - Oxygen Sensor - Right (Cylinders 1-3) - Found after the catalytic converter - Denso - Audi

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

Brand:
Denso - Corporate Logo
ES#:
4069370
Mfg#:
022906262BM
In Stock at Vendor
$146.99

This product was last offered at the strikethrough price on
02-25-2026

$120.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Front Oxygen Sensor

ES#3625713 - 8R0906262 - Front Oxygen Sensor - Located before catalytic converter, restore mileage and clear codes - FAE - Audi Volkswagen

Located before catalytic converter, restore mileage and clear codes affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
FAE - Corporate Logo
ES#:
3625713
Mfg#:
8R0906262
Ships on Jun 26, 2026
$113.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor - Right (Cylinders 1-3)

ES#4005492 - 022906262BM - Oxygen Sensor - Right (Cylinders 1-3) - Found after the catalytic converter - Walker - Audi

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

Brand:
Walker - Corporate Logo
ES#:
4005492
Mfg#:
022906262BM
Ships in 1-2 days
$110.99

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

$106.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Front Oxygen Sensor

ES#3984529 - 03L906262Q - Front Oxygen Sensor - Located before catalytic converter, restore mileage and clear codes - Bosch - Audi Volkswagen

Located before catalytic converter, restore mileage and clear codes 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:
Bosch - Corporate Logo
ES#:
3984529
Mfg#:
03L906262Q
Back Ordered
$104.99

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

$101.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Catalytic Converter / Downpipe Installation Kit

ES#2594032 - N0445203KT3 - Catalytic Converter / Downpipe Installation Kit - Includes the necessary parts and hardware for installation - Assembled By ECS - Audi

Includes the necessary parts and hardware for installation affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
2594032
Mfg#:
N0445203KT3
Ships in 1-2 days
ON SALE!
$101.99

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

$96.93 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Universal Oxygen Sensor Bung - Priced Each

ES#5051 - ATP-FLS-022 - Universal Oxygen Sensor Bung - Priced Each - Stainless steel weld-in nut for any O2 sensor - ATP - Audi BMW Volkswagen

Stainless steel weld-in nut for any O2 sensor affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
ATP - Corporate Logo
ES#:
5051
Mfg#:
ATP-FLS-022
Ships in 7 Business Days
$12.95 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 Nov 24, 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

Exhaust Stud - Priced Each

ES#4070301 - N0445203 - Exhaust Stud - Priced Each - Install new hardware with your new parts. M10X28 - Rein - Audi Volkswagen

Install new hardware with your new parts. M10X28 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:
Rein - Corporate Logo
ES#:
4070301
Mfg#:
N0445203
In Stock
Limited Qty Sale
$6.99

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

$4.99 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 Jun 26, 2026
$83.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

More About Exhaust Emission Parts

Oxygen sensors, catalytic converters, and other critical emissions components not only cause Check Engine Lights when they fail, but they'll also keep you from registering your car. Make sure your emissions system is functioning properly so you can continue to drive your car legally.

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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