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Air and Fuel Oxygen Sensors, Controllers and Components

Kooks

O2 Sensor Extension Harness, 18-Inch 4-Pin

$27.29 $24.00 Save $3.29

SKU: CAS-109010-18

In Stock
In Stock
Ships by Sep 13
Free Shipping over $200
$100 Minimum Order
30 Days Return
INSTALL DIFFICULTY
DIY PRO SHOP

Beginner — under 30 min

Overview

The Kooks O2 Sensor Extension is an 18-inch, flat 4-pin harness designed to extend oxygen sensor wiring for GM LT1 and LS1 engines. It ensures proper connection when installing aftermarket headers or exhaust components that require additional wire length. This extension is crucial for maintaining accurate sensor readings and optimal engine management.
Show original supplier description
The Kooks O2 Sensor Extension, model CAS-109010-18, is an 18-inch harness specifically engineered to extend the wiring for oxygen sensors in GM LT1 and LS1 engines. This component is essential when installing aftermarket headers or exhaust systems that necessitate a longer reach for your O2 sensors, thereby maintaining accurate readings and supporting proper engine management. Constructed with durability in mind, this extension harness features a robust flat 4-pin connector designed for secure and reliable electrical connections. It is built using quality wiring and insulation materials, intended to withstand the demanding automotive environment, including heat and various conditions. The harness has a tubing diameter of 2.500 inches and presents a professional finish. It offers a direct plug-and-play solution and is ideal as a replacement part for damaged or lost oxygen sensor harnesses. This product is specifically designed for the 1993-1997 5.7L Camaro, fitting perfectly without exclusions or the need for modifications.

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

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Specifications

BrandKooks
Part NumberCAS-109010-18
CategoryAir and Fuel

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Returns & Fitment

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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Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

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