Kooks EX682-Z O2 Sensor Extension Harness Kit for 2005-2013 Chevy Corvette C6

Vehicle Fitment

• 2005-2013 Chevrolet Corvette C6
  -Coupe & convertible 
  -Fits all trims including Z06, ZR1, Grand Sport

Fitment Notes

• Includes front (16", triangular connector) and rear (18", square connector) extensions
• Intended for use with Kooks C6 header kits; replaces lost or damaged O2 harnesses
• Not a universal part--specific to C6 Corvette O2 sensor configurations

Features

• OEM-grade, aircraft-quality T304 stainless steel weld material in connectors
• Manufactured in the USA with Kooks' limited lifetime warranty
• Covers all C6 Corvette engines (LS2, LS3, LS7, LS9) in 4-pin configurations
• Simplifies sensor routing when installing aftermarket headers
• P65 Proposition 65 warning for chromium/nickel in connectors
• Used and tested in win-race environments--reliable for track or street

Specifications

• Part Number: EX682-Z
• Front extension: 16", 4-pin triangular connector
• Rear extension: 18", 4-pin square connector
• Cable Construction: High-temp automotive-grade wiring
• Warranty: Limited lifetime by Kooks Headers

Included Components

• 1x Front O2 sensor extension (16", triangular connector)
• 1x Rear O2 sensor extension (18", square connector)

Product Description

The Kooks EX682-Z O2 Sensor Extension Harness Kit is designed specifically for the Chevrolet Corvette C6 (2005-2013) when upgrading to Kooks performance headers. It includes properly molded connectors and wiring lengths to reposition front and rear O2 sensors without splicing, maintaining clean routing and OEM-level reliability.

Crafted in the USA with aircraft-grade materials and backed by Kooks' limited lifetime warranty, this harness kit ensures OEM-like durability and fitment across all C6 trims including Z06, ZR1, and Grand Sport. Ideal for restoring or replacing factory harnesses during header installation or repair.