ETL INDUSTRIES 24" O2 Oxygen Sensor Extension Harness – 4-Pin for LS1/LS2/LS6 & More | ETL Industries

24" O2 Oxygen Sensor Extension Harness – 4-Pin Square Connector

Extend your oxygen sensor wiring with this 24-inch, 4-pin extension harness. Designed for LS1, LS2, LS6 engines and compatible with a wide range of GM vehicles. Plug-and-play installation – no cutting or splicing required.

Key Features:
- 24" Length: Provides extra reach for O2 sensors, perfect for headers or long-tube exhaust setups.
- 4-Pin Square Connector: OEM-style square connector for secure factory-fit connection.
- Plug-and-Play: Direct extension – no cutting, soldering, or wire modification needed.
- Durable Construction: High-temperature wire insulation for engine bay reliability.
- 2 Pieces Included: Enough for front O2 sensors on most applications.

Compatible Vehicles:
- 2004-2006 LS1 / LS6 Corvette
- 2004-2006 LS1 / LS2 GTO
- 2004-2005 LS6 CTS-V
- 2008-2009 G8 GT (V8)
- 2004-2006 GTO
- LS1/LS6/LS2 engines in various GM applications

Specifications:
- Length: 24 inches
- Pin Count: 4
- Connector Type: Square
- Connector Color: Grey
- Wire Count: 2 Pieces per set

Important Fitment Note:
Front Oxygen Sensor Only. This harness is designed for front O2 sensors. Please verify your vehicle's O2 sensor connector type before purchasing. If your vehicle requires a different connector (round or flat), please check our other listings.

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