Kooks Headers KSHCAS-104322 O2 Sensor Extension Harness Kit for 2015+ Dodge Hellcat and 2018+ Trackhawk

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!" O2 Extension Kit 2015+ Hellcat / 2018+ Trackhawk. 2) 6" Front Extension Harness (8-pin), 2) 18" Rear Extension Harness (4-pin). Extensions are included in Header kits where needed. This part is a replacement for damaged or lost Extensions O2 Extension Kit for 2015+ Hellcat & 2018+ Trackhawk. Includes 2) 6" Front Extension Harness (8-pin) and 2) 18" Rear Extension Harness (4-pin). Oxygen Sensor Extension harnesses are included in Header kits where needed. This part number should only be ordered as a replacement for damaged or lost Oxygen Sensor Extensions.

• Manufactured In The USA. Kooks Uses T304 Aircraft Quality Stainless Steel. Kooks Products are Backed by a Limited Lifetime Warranty To the Original Purchaser. Kooks Products Are Dyno And Race Tested and Designed For Maximum Power.
• Kooks Headers And Exhaust Make The Most Power In The Industry
• Kooks System Are Specifically Designed For Maximum Power
• Kooks Products Are Made Of T304 Air Craft Quality Steel
• Limited Lifetime Warranty To Original Purchaser
• 3 Generations Being Family Owned And Operated
• Every Kooks Product Is Dyno And Race Tested
• Kooks Products Fit And Install The Best
• 100 Percent Manufactured In The USA

The Kooks Headers KSHCAS-104322 O2 Sensor Extension Harness Kit provides replacement oxygen sensor wiring extensions for select Dodge Hellcat and Trackhawk applications. Designed for vehicles equipped with Kooks header systems that require extended sensor connections, this kit helps restore proper harness routing and sensor connectivity when the original extensions are damaged or lost.

The kit includes two 6-inch front extension harnesses with 8-pin connectors and two 18-inch rear extension harnesses with 4-pin connectors. These extensions are intended as replacement components and are already included with applicable Kooks header kits when required. Verify vehicle and header-system compatibility before ordering.

Kooks Headers manufactures its products in the USA using high-quality materials and backs its products with a limited lifetime warranty to the original purchaser. Kooks components are designed, dyno tested, and race tested for dependable performance in street, competition, and off-road applications. The KSHCAS-104322 kit is a purpose-built replacement solution for maintaining the intended fit and function of compatible Kooks exhaust installations.

Fitment: Fits select 2015 and newer Dodge Challenger and Dodge Charger Hellcat applications, as well as 2018 and newer Dodge Trackhawk applications. Listed vehicle applications include 2015-2019 Dodge Challenger and Dodge Charger models; confirm engine, trim, and header configuration before installation.

What's Included

• Two 6-inch front O2 sensor extension harnesses with 8-pin connectors
• Two 18-inch rear O2 sensor extension harnesses with 4-pin connectors

Features:

• Replacement O2 Sensor Harness Kit: Designed to replace damaged or missing oxygen sensor extensions used with compatible Kooks header systems.
• Application-Specific Fitment: Intended for select 2015 and newer Dodge Hellcat models and 2018 and newer Dodge Trackhawk applications.
• Complete Extension Set: Includes two front harnesses and two rear harnesses for the applicable header installation.
• USA-Manufactured Quality: Kooks products are manufactured in the USA, dyno tested, and race tested for dependable performance.

Fitments:
2015 Dodge Challenger SRT Hellcat
2015 Dodge Charger SRT Hellcat
2016 Dodge Challenger SRT Hellcat
2016 Dodge Charger SRT Hellcat
2017 Dodge Challenger SRT Hellcat
2017 Dodge Charger SRT Hellcat
2018 Dodge Challenger SRT Demon
2018 Dodge Challenger SRT Hellcat
2018 Dodge Challenger SRT Hellcat Widebody
2018 Dodge Charger SRT Hellcat
2018 Jeep Grand Cherokee Trackhawk
2019 Dodge Challenger SRT Hellcat
2019 Dodge Challenger SRT Hellcat Redeye
2019 Dodge Challenger SRT Hellcat Redeye Widebody
2019 Dodge Challenger SRT Hellcat Widebody
2019 Dodge Charger SRT Hellcat
2019 Jeep Grand Cherokee Trackhawk
2020 Dodge Challenger SRT Hellcat
2020 Dodge Challenger SRT Hellcat Redeye
2020 Dodge Challenger SRT Hellcat Redeye Widebody
2020 Dodge Challenger SRT Hellcat Widebody
2020 Dodge Challenger SRT Super Stock
2020 Dodge Charger SRT Hellcat
2020 Dodge Charger SRT Hellcat Widebody
2020 Jeep Grand Cherokee Trackhawk
2021 Dodge Durango SRT Hellcat
2021 Jeep Grand Cherokee Trackhawk
2023 Dodge Durango SRT Hellcat
2023 Dodge Durango SRT Hellcat Plus
2023 Dodge Durango SRT Hellcat Premium
2024 Dodge Durango SRT Hellcat
2024 Dodge Durango SRT Hellcat Plus
2024 Dodge Durango SRT Hellcat Premium
2025 Dodge Durango SRT Hellcat
2025 Dodge Durango SRT Hellcat Brass Monkey
2025 Dodge Durango SRT Hellcat Hammerhead
2025 Dodge Durango SRT Hellcat Premium
2025 Dodge Durango SRT Hellcat Silver Bullet

Air Freight Prohibited: false
Not Carb Approved: false
Ltl Freight Required: false
Prop 65: Y
Part Type: automotive
Epa: N/A
Carb Acknowledgement Required: false
Regular Stock: t
Units Per Sku: 1