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Audi B8/B8.5 S5 Quattro V8 4.2L

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Audi B8/B8.5 S5 Quattro V8 4.2L Exhaust Emission Parts

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Offset Oxygen Sensor Wrench- Extended

ES#4001169 - CTA2065 - Offset Oxygen Sensor Wrench- Extended - Extra length is needed sometimes - CTA Tools - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Extra length is needed sometimes

Brand:
CTA Tools - Corporate Logo
ES#:
4001169
Mfg#:
CTA2065
Back Ordered
$19.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Exhaust Gasket - Priced Each

ES#3448169 - 8K0253115K - Exhaust Gasket - Priced Each - Seals the catalytic converter to the downpipe - Meistersatz - Audi

Seals the catalytic converter to the downpipe

Brand:
Meistersatz - Corporate Logo
ES#:
3448169
Mfg#:
8K0253115K
Ships in 3 Business Days
$8.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Exhaust Gasket - Priced Each

ES#2800427 - 8K0253115D - Exhaust Gasket - Priced Each - Seals the catalytic converter to the downpipe - Ajusa - Audi

Seals the catalytic converter to the downpipe

Brand:
Ajusa - Corporate Logo
ES#:
2800427
Mfg#:
8K0253115D
Back Ordered
$12.99 USD
Free Shipping
on orders $49 and up
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

Brand:
ATP - Corporate Logo
ES#:
5051
Mfg#:
ATP-FLS-022
Ships in 6 Business Days
$12.95 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Remanufactured Catalytic Converter - Right

Includes a $210 refundable core charge From the 2011 model year

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2561226
Mfg#:
8K0254252BXKT
Ships in 1-2 days
$2095.99

This product was last offered at the strikethrough price on
10-26-2026

$2075.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Remanufactured Catalytic Converter - Left

Includes a $210 refundable core charge From the 2011 model year

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2561224
Mfg#:
8K0254200LXKT
Ships in 4 Business Days
$2095.99

This product was last offered at the strikethrough price on
10-26-2026

$2075.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

EGR Valve - Priced Each

Also known as the 'combi valve' Fits the right side from production date 6/1/2010

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2955067
Mfg#:
079131102D
Ships in 8 Business Days
14% off MSRP

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

$108.99

This product was last offered at the strikethrough price on
06-03-2026

$93.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

EGR Valve - Priced Each

Also known as the 'combi valve' Fits the left side from production date 6/1/2010

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2955066
Mfg#:
079131101AQ
Ships in 8 Business 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.

$218.99

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

$189.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

VW | Valve, secondary air system

ES#4853884 - 079131102A - VW | Valve, secondary air system - Vemo - Audi

Brand:
Vemo - Corporate Logo
ES#:
4853884
Mfg#:
079131102A
Special Order: No Guaranteed ETA
$297.99 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.

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

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