Sierra 65537P Argent Pro Series Diesel Alt Features Size 3 Dial Range 0-4000 RPM Red Thru-lit and halo illumination for clear night viewing Sender Code OB ALT.COIL Easy to read black graphics on a silver background Domed glass lenses are scratch resistant Low profile bezels, no lip to trap and hold water Fog-Resistant Design! Complies with SAE J-1810 California Residents WARNING Cancer and Reproductive Harm - P65Warnings.ca.gov Other Details Google Product Type Gauge Type Diesel Alt Product MPN