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Air and Fuel› Oxygen Sensors, Controllers and Components

Kooks O2

8-Inch Front O2 Extension Harness

$37.67 $33.90 Save $3.77

SKU: CAS-109677-8

In Stock
In Stock
Ships by Jul 29
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30 Days Return
INSTALL DIFFICULTY
DIY PRO SHOP

Beginner — under 30 min

Description

The Kooks CAS-109677-8 is an O2 extension harness designed for 2018+ Ford Mustang models. This 8-inch front extension harness features a 5-pin connector. It is intended as a replacement for damaged or lost oxygen sensor extensions and is included in Kooks header kits when needed.

Fitment

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Specifications

BrandKooks O2
Part NumberCAS-109677-8
CategoryAir and Fuel

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Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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