Sierra 3500 RPM tachometer. For diesel engines. Sierra Part #82303P.• Classic white graphics and pointer on deep black face• Low-profile polished stainless steel bezels• Perimeter lighting and scratch-resistant glass lens• Ideal replacement for Stewart-Warner "Deluxe" instruments• Dial Range: 0-3500 RPM• Tachometers (Electric): Diesel Magnetic Pickup, 90-180 Teeth• Sender Code: Requires "B"• Voltage: 12V DC• Current Draw: 0.10 - 0.15 A• Operating Temperature: -40C to +70C• Ingress Protection: IP65• Bezel O.D.: 3.61"• Housing O.D.: 3.39"• Hole Size: 3.43" Scratch-resistant glass lens Perimeter lighting | Black Sterling 3" Diesel Tachometer in White