Redline Emissions Products Replacement for Chevy / GMC EGT Sensor (12643373 / REP S10031)

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

Replaces OEM Numbers: 12643373, 12637488      

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

OEM Part Numbers 12643373; 12637488