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Audi B5 A4 FWD V6 12v

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Audi B5 A4 FWD V6 12v Exhaust Emission Parts

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Exhaust Manifold Stud - Priced Each

ES#11626 - N0445122 - Exhaust Manifold Stud - Priced Each - Stud to mount exhaust manifold to cylinder head. 8x30mm - Genuine Volkswagen Audi - Audi Volkswagen

Stud to mount exhaust manifold to cylinder head. 8x30mm Secures the manifold to the downpipe/catalytic converter

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
11626
Mfg#:
N0445122
Ships in 3 Business Days
$4.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

7-Piece Oxygen Sensor Socket Set

ES#3126770 - 2850 - 7-Piece Oxygen Sensor Socket Set - Easily removes vacuum switches, oil pressure sending units, brake light switches, and oxygen sensors on most car models - Sunex - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Easily removes vacuum switches, oil pressure sending units, brake light switches, and oxygen sensors on most car models

Brand:
Sunex - Corporate Logo
ES#:
3126770
Mfg#:
2850
Ships on Aug 18, 2026
11% off MSRP

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

$135.00

This product was last offered at the strikethrough price on
07-27-2026

$119.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor Wrench 3/8" drive

ES#2949705 - SLY88750B - Oxygen Sensor Wrench 3/8" drive - O2 Sensor Socket - Schley - Audi Volkswagen Mercedes Benz MINI

O2 Sensor Socket

Brand:
Schley - Corporate Logo
ES#:
2949705
Mfg#:
SLY88750B
Ships on Aug 12, 2026
$59.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Exhaust Gasket - Priced Each

ES#429580 - 8D0253115C - Exhaust Gasket - Priced Each - Between the exhaust manifold and downpipe, requires 2 - Genuine Volkswagen Audi - Audi Volkswagen

Between the exhaust manifold and downpipe, requires 2

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
429580
Mfg#:
8D0253115C
Ships in 1-2 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.

$14.99

This product was last offered at the strikethrough price on
07-27-2026

$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 7 Business Days
$12.95 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Dual Drive Oxygen Sensor Wrench

ES#2944218 - LIS12390 - Dual Drive Oxygen Sensor Wrench - Tool comes with both 1/2" and 3/8" drive. - Lisle - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Tool comes with both 1/2" and 3/8" drive.

Brand:
Lisle - Corporate Logo
ES#:
2944218
Mfg#:
LIS12390
Ships in 6 Business Days
$59.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Catalytic Converter / Down Pipe Install Kit

ES#2575816 - 8D0253115CKT2 - Catalytic Converter / Down Pipe Install Kit - Includes all hardware to install a new catalytic converter / down pipe assembly - Assembled By ECS - Audi

Includes all hardware to install a new catalytic converter / down pipe assembly 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
2575816
Mfg#:
8D0253115CKT2
Back Ordered
ON SALE!
$46.99

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

$44.66 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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

Gasket

ES#2816266 - 8D0253115C - Gasket - Between the exhaust manifold and downpipe, requires 2 - Hamburg Tech - Audi Volkswagen

Between the exhaust manifold and downpipe, requires 2 We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
2816266
Mfg#:
8D0253115C
Ships in 2 Business Days
$3.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Exhaust Gasket-Priced Each

ES#2581492 - 8D0253115C - Exhaust Gasket-Priced Each - Between the exhaust manifold and downpipe, requires 2 - Vemo - Audi Volkswagen

Between the exhaust manifold and downpipe, requires 2

Brand:
Vemo - Corporate Logo
ES#:
2581492
Mfg#:
8D0253115C
Back Ordered
$3.99 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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