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Audi Exhaust Emission Parts

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Locking Nut - Priced Each

ES#471981 - N91130801 - Locking Nut - Priced Each - Locking nut with flange. M8x1.25mm - Genuine Volkswagen Audi - Audi Volkswagen

Locking nut with flange. M8x1.25mm

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
471981
Mfg#:
N91130801
In Stock
$1.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Remanufactured Catalytic Converter - Right

ES#2532864 - 8E0254554QXKT - Remanufactured Catalytic Converter - Right - Price includes a $210 refundable core charge - Genuine Volkswagen Audi - Audi

Price includes a $210 refundable core charge For vehicles with automatic transmission only

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2532864
Mfg#:
8E0254554QXKT
Ships in 8 Business Days
$4103.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Remanufactured Catalytic Converter

ES#3441736 - 1k0254402axKT - Remanufactured Catalytic Converter - Price includes $400 refundable core charge.Catalyst located before the exhaust flapper motor - Genuine Volkswagen Audi - Audi Volkswagen

Price includes $400 refundable core charge.Catalyst located before the exhaust flapper motor

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3441736
Mfg#:
1K0254402AXKT
Ships in 1-2 days
$4000.99

This product was last offered at the strikethrough price on
08-31-2026

$3935.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Remanufactured Catalytic Converter - Right Side

ES#2538179 - 8K0254250KXKT - Remanufactured Catalytic Converter - Right Side - Price includes a $910.00 refundable core charge - Genuine Volkswagen Audi - Audi

Price includes a $910.00 refundable core charge From the 2010 model year

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2538179
Mfg#:
8K0254250KXKT
Ships in 5 Business Days
$3927.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Remanufactured Catalytic Converter

ES#2739743 - 8K0254253HXKT - Remanufactured Catalytic Converter - Includes a $210 refundable core charge - Genuine Volkswagen Audi - Audi

Includes a $210 refundable core charge Up to the 2012 model year

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2739743
Mfg#:
8K0254253HXKT
Ships in 1-2 days
$3806.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Dual Clamp Exhaust Sleeve - Priced Each

ES#3023 - 357253141A - Dual Clamp Exhaust Sleeve - Priced Each - Quiet down your leaking exhaust. 55mm - HJS - Audi Volkswagen

Quiet down your leaking exhaust. 55mm Secures the catalytic converter/downpipe to the center muffler

Brand:
HJS - Corporate Logo
ES#:
3023
Mfg#:
357253141A
In Stock
$28.49 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Remanufactured Catalytic Converter

ES#2535499 - 8E0254200QXKT - Remanufactured Catalytic Converter - Price includes a $252 refundable core charge - Genuine Volkswagen Audi - Audi

Price includes a $252 refundable core charge

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2535499
Mfg#:
8E0254200QXKT
Ships in 5 Business Days
$3659.87 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Remanufactured Catalytic Converter - Left Side

ES#2538178 - 8K0254200KXKT - Remanufactured Catalytic Converter - Left Side - Price includes $300 refundable core charge - Genuine Volkswagen Audi - Audi

Price includes $300 refundable core charge From the 2010 model year

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2538178
Mfg#:
8K0254200KXKT
In Stock
$3605.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Front Oxygen Sensor - Priced Each

ES#4135675 - 06E906265AJ - Front Oxygen Sensor - Priced Each - Keep your engine running efficiently - Bosch - Audi

Keep your engine running efficiently We Price Match - Give Us A Call or Chat!
Fits the left and right position

Brand:
Bosch - Corporate Logo
ES#:
4135675
Mfg#:
06E906265AJ
In Stock
$369.20 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Remanufactured Catalytic Converter - Right

ES#2561225 - 8K0254250MXKT - Remanufactured Catalytic Converter - Right - Includes a $210 refundable core charge - Genuine Volkswagen Audi - Audi

Includes a $210 refundable core charge Up to the 2010 model year

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2561225
Mfg#:
8K0254250MXKT
Ships in 6 Business Days
$3309.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor - Priced Each

ES#2539127 - 1K0998262D - Oxygen Sensor - Priced Each - Keep your engine running efficiently - Bosch - Audi Volkswagen

Keep your engine running efficiently We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
2539127
Mfg#:
1K0998262D
In Stock
$193.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Self-Locking Nut - Priced Each

ES#2588753 - N90369001 - Self-Locking Nut - Priced Each - Install new hardware with your new parts. M10x1.5 - Rein - Audi BMW Volkswagen

Install new hardware with your new parts. M10x1.5 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!
Used to secure the catalyst/downpipe to the turbo

Brand:
Rein - Corporate Logo
ES#:
2588753
Mfg#:
N90369001
In Stock
$4.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Remanufactured Particulate Filter

ES#2738479 - 7L8254800NXKT - Remanufactured Particulate Filter - Includes a $200.00 refundable core charge - Genuine Volkswagen Audi - Audi

Includes a $200.00 refundable core charge

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2738479
Mfg#:
7L8254800NXKT
In Stock
ON SALE!
$3337.99

This product was last offered at the strikethrough price on
06-24-2026

$3185.42 USD
This product is lifetime replacement eligible Lifetime Replacement

Front Oxygen Sensor - Priced Each

ES#4069801 - 06J906262T - Front Oxygen Sensor - Priced Each - Keep your engine running efficiently - Bosch - Audi Volkswagen

Keep your engine running efficiently We Price Match - Give Us A Call or Chat!
Engine code CBFA - For the front position before the catalyst (6-Pin)

Brand:
Bosch - Corporate Logo
ES#:
4069801
Mfg#:
06J906262T
In Stock
$159.99

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

$142.99 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.

Other Audi Exhaust Emission Parts

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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