Kooks Headers CAS-105979 Extension Harness - Kooks 2015 Ford Mustang GT 02 Sensor Extensions for a 2015-2015 Ford Mustang GT 50 Years Limited Edition, 2015-2020 Ford Mustang Shelby GT350, 2015-2020 Ford Mustang Shelby GT350R, 2015-2021 Ford Mustang GT, 2015-2021 Ford Mustang GT Premium, 2019-2020 Ford Mustang Bullitt, 2020-2020 Ford Mustang Shelby GT500 and 2021-2021 Ford Mustang Mach 1.
Image(s) for display purposes only. Actual product may vary.
Manufacturer: Kooks Headers
Product: Kooks Headers Extension Harness
Part Number: CAS-105979
UPC: 842422124144
$52.61
Free Shipping (Continental US)
New with manufacturer warranty
Availability:
IN STOCK (5+)
SHIPS FROM MANUFACTURER
(Last checked: 02/12/2026)
Shipping times vary by Manufacturer
(Can take days or weeks, contact us for an ETA)
SHIPS FROM MANUFACTURER
(Last checked: 02/12/2026)
Shipping times vary by Manufacturer
(Can take days or weeks, contact us for an ETA)
Have a question regarding this product? Contact us.
Fitment:
NOTES: Kooks 2015+ Ford Mustang GT 02 Sensor Extensions
| Years | Make | Model | Trim | ||
|---|---|---|---|---|---|
| 2015 - 2015 | Ford | Mustang | GT 50 Years Limited Edition | ||
| 2015 - 2020 | Ford | Mustang | Shelby GT350 | ||
| 2015 - 2020 | Ford | Mustang | Shelby GT350R | ||
| 2015 - 2021 | Ford | Mustang | GT | ||
| 2015 - 2021 | Ford | Mustang | GT Premium | ||
| 2019 - 2020 | Ford | Mustang | Bullitt | ||
| 2020 - 2020 | Ford | Mustang | Shelby GT500 | ||
| 2021 - 2021 | Ford | Mustang | Mach 1 |
Description:
O2 Extension Harness 2015 Mustang 1) 8in. Front Extension Harness (6-pin). Oxygen Sensor Extension harnesses are included in Header kits where needed. This part number should only be ordered as a replacment for damaged or lost Oxygen Sensor Extensions.. O2 Extension Harness 2015 Mustang 1) 8in. Front Extension Harness (6-pin). Extensions are included in Header kits where needed. This part is a replacment for damaged or lost Extensions..
Kooks Headers and Exhaust has been the leader in the High Performance Exhaust Industry for over 50 Years! Since 1962, Kooks takes pride in offering the best Headers and complete exhaust systems for your street, race and off-road applications. We have won hundreds of championships and set countless records in the NHRA, IHRA, NMCA, NMRA, NASCAR, NASA, SCCA and many other racing organizations. Now with three generations of family leadership, we are proud to say that all of our products are handcrafted here in the USA and we are proud to still be independently owned and operated. And don't forget, "Get Kookin with KOOKS!"
Kooks Headers and Exhaust has been the leader in the High Performance Exhaust Industry for over 50 Years! Since 1962, Kooks takes pride in offering the best Headers and complete exhaust systems for your street, race and off-road applications. We have won hundreds of championships and set countless records in the NHRA, IHRA, NMCA, NMRA, NASCAR, NASA, SCCA and many other racing organizations. Now with three generations of family leadership, we are proud to say that all of our products are handcrafted here in the USA and we are proud to still be independently owned and operated. And don't forget, "Get Kookin with KOOKS!"