Redline Emissions Products Replacement for Chevy / GMC EGT Sensor (12643246 / REP S10029)

Redline Emissions Products replacement Exhaust Temp Sensor for Chevrolet / GMC. These replacement sensors fit as good or better than OEM. 

Replaces OEM Numbers: 12643246, 12639455      

Sierra 2500 HD(6.6)
Sierra 3500 HD(6.6)
Silverado 2500 HD(6.6)
Silverado 3500 HD(6.6)

OEM Part Numbers 12643246; 12639455; 12636945; 2134759