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Porsche Exhaust Emission Parts

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7/8"(22mm) Flexible Oxygen Sensor Wrench

ES#240942 - FO-78 - 7/8"(22mm) Flexible Oxygen Sensor Wrench - The proper tool to remove difficult-to-reach oxygen sensors - Schwaben - Audi BMW Volkswagen Mercedes Benz MINI Porsche
ECS Tuning recommends this product.

The proper tool to remove difficult-to-reach oxygen sensors affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Schwaben - Corporate Logo
ES#:
240942
Mfg#:
FO-78
Ships on Jun 23, 2026
Auto Notify
ON SALE! SAVE 30%
$48.99

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

$34.29 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Universal Catalytic Converter - 2.25"

ES#4005308 - 602205 - Universal Catalytic Converter - 2.25" - 2.25" inlet/outlet, 14" length of converter itself, 6" width & 4" height - Emico - Audi BMW Volkswagen Mercedes Benz MINI Porsche

2.25" inlet/outlet, 14" length of converter itself, 6" width & 4" height affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Emico - Corporate Logo
ES#:
4005308
Mfg#:
602205
Ships in 4 Business Days
$97.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Remanufactured Catalytic Converter

Includes both front catalytic converters. Price includes an $841.10 refundable core charge. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Porsche - Corporate Logo
ES#:
4499714
Mfg#:
955113300BXKT
Ships in 5 Business Days
$3619.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Remanufactured Downpipe With Catalytic Converter - Cylinders 1-4

Price includes a $910.96 refundable core charge affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Porsche - Corporate Logo
ES#:
3996439
Mfg#:
955113022CXKT
Ships in 5 Business Days
$3371.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Remanufactured Downpipe With Catalytic Converter - Cylinders 5-8

Price includes a $910.96 refundable core charge affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Porsche - Corporate Logo
ES#:
3996440
Mfg#:
955113021CXKT
Ships in 5 Business Days
$3371.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor Tool - Angled Handle - 7/8" - Bavarian Autosport

ES#3673911 - B8800066 - Oxygen Sensor Tool - Angled Handle - 7/8" - Bavarian Autosport - Slotted, pivoting head has both hexagon and double hexagon drive. Angled handle reaches around obstructions. - Bav Auto Tools - Audi BMW Volkswagen Mercedes Benz MINI Porsche
ECS Tuning recommends this product.

Slotted, pivoting head has both hexagon and double hexagon drive. Angled handle reaches around obstructions. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bav Auto Tools - Corporate Logo
ES#:
3673911
Mfg#:
B8800066
Ships on Aug 10, 2026
Auto Notify
ON SALE! SAVE 25%
$49.99

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

$37.49 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor Tool - 22mm

ES#3673912 - B8800067 - Oxygen Sensor Tool - 22mm - 1/2" Drive - 7/8" x 6" - Extra Long - Bav Auto Tools - Audi BMW Volkswagen Mercedes Benz MINI Porsche
ECS Tuning recommends this product.

1/2" Drive - 7/8" x 6" - Extra Long affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bav Auto Tools - Corporate Logo
ES#:
3673912
Mfg#:
B8800067
Ships on Aug 10, 2026
Auto Notify
ON SALE! SAVE 20%
$29.99

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

$23.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

AdBlue DEF Fluid - 2.0 Liter

ES#4007209 - 95811351000 - AdBlue DEF Fluid - 2.0 Liter - Diesel exhaust fluid - Genuine Porsche - Porsche

Diesel exhaust fluid affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Porsche - Corporate Logo
ES#:
4007209
Mfg#:
95811351000
In Stock
$15.56 USD
Free Shipping
on orders $49 and up

3 Pc. OXygen Sensor Wrench Set

ES#4001175 - CTA2073 - 3 Pc. OXygen Sensor Wrench Set - Get the complete set. - CTA Tools - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Get the complete set. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
CTA Tools - Corporate Logo
ES#:
4001175
Mfg#:
CTA2073
In Stock
$50.01 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Stainless Steel Catalytic Converter - Left

ES#3244583 - 49928 - Stainless Steel Catalytic Converter - Left - Bolt-On & Uses Factory Hangers! - Magnaflow - Porsche

Bolt-On & Uses Factory Hangers! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Magnaflow - Corporate Logo
ES#:
3244583
Mfg#:
49928
Back Ordered
$921.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Truck Series DPF Protector - 500ml / 16.9oz

ES#3999019 - 20258 - Truck Series DPF Protector - 500ml / 16.9oz - Improves engine performance and emissions control - Reduces clogging of the DPF caused by soot as a combustion product - Liqui-Moly - BMW Volkswagen Porsche

Improves engine performance and emissions control - Reduces clogging of the DPF caused by soot as a combustion product affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Liqui-Moly - Corporate Logo
ES#:
3999019
Mfg#:
20258
In Stock
40% off MSRP

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

$17.95

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

$10.79 USD
Free Shipping
on orders $49 and up

Stainless Steel Catalytic Converter - Right

ES#3244584 - 49929 - Stainless Steel Catalytic Converter - Right - Bolt On Pre Converter and Midbed - Magnaflow - Porsche

Bolt On Pre Converter and Midbed affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Magnaflow - Corporate Logo
ES#:
3244584
Mfg#:
49929
Back Ordered
$809.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

OEM Post-Catalyst Oxygen Sensor - Priced Each

ES#4321705 - 98760612305 - OEM Post-Catalyst Oxygen Sensor - Priced Each - Fitment after the catalyst on either side - Two required - Genuine Porsche - Porsche

Fitment after the catalyst on either side - Two required affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Porsche - Corporate Logo
ES#:
4321705
Mfg#:
98760612305
Ships in 5 Business Days
$344.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Off Set O2 Sensor Wrench

ES#4371880 - W80491 - Off Set O2 Sensor Wrench - Offset design for confined areas. - Performance Tool - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Offset design for confined areas. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Performance Tool - Corporate Logo
ES#:
4371880
Mfg#:
W80491
In Stock
$16.99 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 Porsche

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

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