Father’s Day Sale – Up to 40% Off! Shop Now >

O2 Oxygen Sensor Extension Wire Harness; Downstream (16-20 Camaro)Find parts that fit my vehicle

Item CC35438
Our Price

$39.99 each

Military, Medical & First Responders $2.00 Available in AM Cash Rewards.
Confirm Eligibility

CONFIRM THIS FITS YOUR VEHICLE!

Select a different vehicle Help?
Update or Change Vehicle
    Create a list
    Add to New List

    Saved - View your saved items

    We're sorry. We couldn't save this product at this time.

    or use

    Shop Owners Save More! Sign up for our dealer program

      Product Information

      Features, Description, Reviews, Q&A, Specs & Installation

      Features

      • 15" Rear Oxygen Sensor 02 Harness for C7 Z06 Corvette, Camaro LT1, LT4, LT5, and Gen V Silverado
      • Replaces OEM Part Number 12655678
      • Pair of New Oxygen Sensor Extension Harnesses for Rear O2 Sensors on C7 Models
      • 15 Inches in Length
      • Compatible with Gen V GM Applications Including 2014+ Camaro, Silverado, and Suburban Trucks
      • Necessary When Installing Aftermarket Headers that Relocate Oxygen Sensor Bungs Rearwards
      • Allows Installation Without Cutting or Splicing Factory Wiring
      • Designed Specifically for Downstream Oxygen Sensors
      • Fits Camaro Models from 2016 to 2020

      Description

      O2 Sensor Extension. The O2 Oxygen Sensor Extension Wire Harness (Downstream) extends the reach of the rear oxygen sensors, particularly when aftermarket headers reposition sensor mounting points. This harness maintains proper sensor function without modifying or splicing factory wiring, preserving electrical integrity and system performance.

      Construction and Appearance. Constructed with durable wiring and OEM-quality connectors, it offers a secure and weather-resistant fit. The cable measures approximately 15 inches long, designed for Gen V GM applications, and features black insulation for a clean, professional look suitable for under-hood environments.

      Installation. Installation is simple and requires no drilling, cutting, or special modifications. The extension plugs directly into factory connectors, making it accessible for both professional installers and experienced enthusiasts.

      Application. Specifically designed to fit Camaro models from 2016 to 2020. It addresses the extension requirements when aftermarket headers reposition the rear oxygen sensors, ensuring proper compatibility and function with these vehicles.

      CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

      Installation & What's in the Box

      Installation Info

      Installation Time

      (approx) 1 Hour

      Difficulty Level:

      Light to Moderate mechanical skill required.

      Installation Guides

        No guide available for this part yet.

      What's in the Box

      • (1) Extension Harness
      4.0

      Customer Reviews (10)

      Questions & Answers

      No questions about this product yet. Ask the First Question