For 1991 Chevrolet R3500 Water Temperature Sender SMP 46935YTQS 5.7L V8

API 15HK28X Water Temperature Sender Fits 1991 GMC R3500 5.7L V8

For 1991 Chevrolet R3500 Water Temperature Sender SMP 39854RHQF 5.7L V8

For 1989-1990 Chevrolet R3500 Water Temperature Sender SMP 91213VDPY 5.7L V8

API Engine Coolant Temperature Switch fits Chevy R3500 1990 5.7L V8 59TYNY

84SM71P Water Temperature Sender Fits 1996-2000 Chevy C3500 5.7L V8

For 1991 Chevrolet R3500 Water Temperature Sender API 76716GFXP 5.7L V8