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2004 Porsche Cayenne 955 S Sport Utility V8 4.5L

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2004 Porsche Cayenne 955 S Sport Utility V8 4.5L Exhaust Emission Parts

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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

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

Pre-Catalyst Oxygen Sensor

Right side fitment 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
4477602
Mfg#:
94860612802
Ships in 2 Business Days
$159.99

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

$154.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Post-Catalyst Oxygen Sensor - Priced Each

ES#2574912 - 95560613601 - Post-Catalyst Oxygen Sensor - Priced Each - Fitment after the catalyst on either side - Two required - Walker - Porsche

Fitment after the catalyst on either side - Two required

Brand:
Walker - Corporate Logo
ES#:
2574912
Mfg#:
95560613601
Ships in 1-2 days
56% off MSRP

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

$265.99

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

$117.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Remanufactured Primary Catalytic Converter

Bank one fitment (right). Price includes a $334.71 refundable core charge.

Brand:
Genuine Porsche - Corporate Logo
ES#:
4045665
Mfg#:
955113022AXKT
Ships in 4 Business Days
$4778.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Remanufactured Primary Catalytic Converter

Bank two fitment (left). Price includes a $231.45 refundable core charge

Brand:
Genuine Porsche - Corporate Logo
ES#:
4070269
Mfg#:
955113021AXKT
Ships on Sep 3, 2026
$3503.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Pre-Catalyst Oxygen Sensor

Left side fitment 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
4477603
Mfg#:
94860612902
Back Ordered
$181.99

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

$176.99 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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