1991 Peterbilt 378 Cooling System Switches, Sensors & Relays
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- MotoRad®Engine Coolant Temperature SensorPeterbilt 378 1991, Engine Coolant Temperature Sensor by MotoRad®. MotoRad conducts highly controlled validation using advanced testing equipment that is integrated into the production process of all products.Made to keep your vehicle's engine running coolDesigned to maintain proper cooling level and prevent overheating$11.64 - $14.93
- Stant®Engine Coolant Temperature SensorPeterbilt 378 1991, Engine Coolant Temperature Sensor by Stant®. Stant Coolant Temperature Sensor, which can be found as original equipment on most major nameplates, is the perfect companion to the Stant thermostat line, ensuring that a...Made to keep your vehicle's engine running coolDesigned to maintain proper cooling level and prevent overheating$11.56 - $14.17
- PAI®2 Pin Connector Coolant Level SensorPeterbilt 378 12.7L 1991, 2 Pin Connector Coolant Level Sensor by PAI®. Sold Individually. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high...2 Years WarrantyPerfect blend of leading innovations and superior workmanship$32.40 - $51.40