Free Shipping On Orders Over $49. Details

Talk to a Mustang Enthusiast
M-F 8:30A-11P, Sat-Sun 8:30A-9P
Win $5,000 For Your Mustang! Enter Daily

Kooks O2 Sensor Extension Harness (05-10 All)

AmericanMuscle no longer carries the Kooks O2 Sensor Extension Harness (05-10 All). Please check out 2010-2014 Mustang O2 Sensors for an updated selection.

Features & Details

  • T304 Aircraft-Grade Steel Construction
  • Specifically Designed to Guarantee Maximum Power
  • Race-Tested and Dyno-Tested
  • High-Quality, Affordable Extension Harness
  • Simple and Quick Installation
  • Limited Lifetime Warranty Valid to the Original Purchaser Only
  • Fits all 2005-2010 Ford Mustangs
Necessary Upgrade. If your stock exhaust work means you have to relocate your oxygen sensors, you need the Kooks O2 Sensor Extension Harness. These oxygen sensor harnesses come in a variety of lengths to suit different applications. They will definitely boost the performance of your exhaust, and they come at a reasonable price.

Durable Construction. Manufacturing of Kooks O2 Sensor Extension Harnesses utilizes aircraft-quality stainless steel to guarantee durability. Construction of Kooks extension harnesses involve expert care and quality standards to meet set industry standards. Therefore, you can be confident that these extension harnesses are of superior quality and will serve you for many years.

Simple Installation. The Kooks O2 Sensor Extension Harnesses are quick and easy to install. Mounting of these extension harnesses requires basic mechanical expertise and about 15 minutes. For a hassle-free and easy installation, you should opt for the Kooks Oxygen Sensor Harnesses for your next exhaust project.

Warranty. Kooks O2 Sensor Extension Harness carries a limited lifetime warranty from the manufacturer. This warranty covers against any manufacturing defects, structural and material faults. However, it is only applicable to the original buyer.

Application. This Kooks O2 Sensor Extension Harness is an ideal fit for all 2005-2010 Ford Mustang models and does not require any modification or drilling when installing on your vehicle exhaust system.

Fitment: Details

MPN# CAS-109014

CA Residents: WARNING: Cancer and Reproductive Harm -

What's in the Box
  • (1) O2 Sensor Extension Harness
Installation Info
Tech Specs
Will it fit my Mustang?

    Customer Photos

      Questions & Answers (1)

      1 Top Rated Question

      How long are these? 18 or 24"?? Thanks!

      Post Your Question

        Customer Reviews (2) Write a Review

        Overall Rating 4

        out of 5 stars

        • 5/5

          June 04, 2018


          After the bbk's gave out throwing a circuit O2 sensor, I got these, cleared the code and haven't had a problem since. Also seemed to be made better and way more durable then the bbk extensions and I would very much recommend these to those who have had the same issues.


          Year: 2006 Submodel: GT

          Helpful (10)

        • 3/5

          March 12, 2018

          Good product

          When i first purchased it stated that this came as a set of 4. Ended up being individuals. Othere than that its a good extension.


          Year: 2005 Submodel: GT

          Helpful (11)

        Related Mustang Categories