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This is an oxygen sensor extension cable for the LS1 and LS2 Pontiac GTO, LS6 CTS-V and more vehicles using the square gray 4-pin connector.

When you install most aftermarket headers, it moves the oxygen sensor bungs towards the rear of the car, farther from the factory harness, so extensions are required. These extensions make the installation hassle free by not having to cut and splice the factory wiring. It also makes removing aftermarket headers much easier.

Compatible with:

-2004-2006 LS1 and LS2 Pontiac GTO
-2004-2007 LS6 Cadillac CTS-V (Front o2 sensors)
-2004 LS1 and LS6 Corvette (Front o2 sensors)
-2003-2005 Silverado 5.3L -2008-09 G8 (Front o2 sensors) -Other GM vehicles using the Gray Squire 4-pin plug

Set includes (1) 24" Cable Extensions
This is the Gray Square 4-pin plug. This is different than the Black Square 4-pin plug
Uses the same GM Factory Delphi/Packard connectors, terminals and seals as the OEM wiring harness
High Quality, Heavy Duty Construction, Heat Resistant, Automotive Grade Materials
Sold and shipped only by authorized OBD Innovations® dealers
Set includes (1) 24" Cable Extensions
This is the Gray Square 4-pin plug. This is different than the Black Square 4-pin plug
Uses the same GM Factory Delphi/Packard connectors, terminals and seals as the OEM wiring harness
High Quality, Heavy Duty Construction, Heat Resistant, Automotive Grade Materials
Sold and shipped only by authorized OBD Innovations® dealers

LS1 LS2 LS6 Oxygen O2 Sensor Extension Cable for GM GTO CTS-V Corvette 24";