1991 Peterbilt 378 Electrical Parts
- Light Switches
- Light Relays + Sensors
- Fuses
- Electrical Wiring, Cables & Connectors
- Alternators
- Starters
- Batteries
- A/C Relays, Sensors
- Fuel Sensors & Switches
- Cooling System Switches
- Engine Sensors, Relays, Switches
- Transmission Solenoids, Sensors, Switches & Control Units
- Brake System Sensors
- Mass Air Flow Sensors
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Install Bay®10/15/20A ATM FusesUniversal 10/15/20A ATM Fuses by Install Bay®. This product is made from high-grade materials to meet the strictest standards of high quality. Designed with the utmost care and attention to detail, this product by Install Bay ensures...Designed to get your audio/video equipment up and runningManufactured from premium materials for immense quality$6.94 - Install Bay®10/15/20A ATM Low Profile FusesUniversal 10/15/20A ATM Low Profile Fuses by Install Bay®. This product is made from high-grade materials to meet the strictest standards of high quality. Designed with the utmost care and attention to detail, this product by Install...Designed to get your audio/video equipment up and runningManufactured from premium materials for immense quality$7.00
- Install Bay®7.5/10/15/20/30/40A Assorted ATM FusesUniversal 7.5/10/15/20/30/40A Assorted ATM Fuses by Install Bay®. This product is made from high-grade materials to meet the strictest standards of high quality. Designed with the utmost care and attention to detail, this product by...Designed to get your audio/video equipment up and runningManufactured from premium materials for immense quality$9.76
- Install Bay®Dust Proof Cover for ATC Fuse Panel BLC-108-GUniversal Dust Proof Cover for ATC Fuse Panel BLC-108-G by Install Bay®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind, this product...Designed to get your audio equipment up and runningManufactured from premium materials for immense quality$9.20
- Install Bay®Dust Proof Cover for ATC Fuse Panel BLC-110-GUniversal Dust Proof Cover for ATC Fuse Panel BLC-110-G by Install Bay®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind, this product...Designed to get your audio equipment up and runningManufactured from premium materials for immense quality$10.02
- JT&T®0.250" Glass Fuse Power TapsUniversal 0.250" Glass Fuse Power Taps by JT&T®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and deliver...Manufactured with the use of the finest materialsWill provide utmost durability and performance$3.53
- K-Tool International®Low Profile JCASE Fuse AssortmentUniversal Low Profile JCASE Fuse Assortment by K-Tool International®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet...Expertly crafted from premium materialsDesigned to match rigorous quality standards$38.14
- Phoenix USA®Fused Junction BoxFused Junction Box by Phoenix USA®. With 10-Wire Connector. Looking to maintain the top condition of your electrical system? We are ready to help you! Just choose from our immense selection of premium replacement electrical parts...Expertly Crafted from the highest grade materialsEngineered to provide easy installation$14.43
- Tectran®3-3/4" Mounting Center Terminal StripUniversal 3-3/4" Mounting Center Terminal Strip by Tectran®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship....Built to offer superior performance for a long timeMade to bring exceptional durability and reliability$17.24
- Tectran®Horizontal Bracket Metal Circuit BreakerUniversal Horizontal Bracket Metal Circuit Breaker by Tectran®. In the event of an overcurrent condition, the breaker will cycle between ON and OFF positions until the overcurrent condition is corrected. If you're looking for a quality...Built to offer superior performance for a long timeMade to bring exceptional durability and reliability$5.49
- 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
- Nastra®AlternatorPeterbilt 378 1991, Alternator by Nastra®. When it comes to safety and reliability while driving, premium Nastra parts are what you need. Carefully manufactured and thoroughly tested, they will cater to all your needs and offer the...Only original equipment type cores are used in the rebuilding processMade combining advanced technologies with premium materials$173.77 - $353.63
- Nastra®StarterPeterbilt 378 1991, Starter by Nastra®. When it comes to safety and reliability while driving, premium Nastra parts are what you need. Carefully manufactured and thoroughly tested, they will cater to all your needs and offer the highest...Only original equipment type cores are used in the rebuilding processMade combining advanced technologies with premium materials$279.98 - $390.21
- iD Select®StarterPeterbilt 378 10.0L 1991, Starter by iD Select®. Type: Planetary Gear Reduction. Rated Power: 7.2 kW. Rotation: Clockwise. With 11-Tooth Pinion Gear. Voltage: 12V. Swap out your worn-out or malfunctioning part with this top-notch...Direct OEM replacement for your malfunctioning partMade to deliver the ultimate in quality, reliability, and value$200.00
- Haldex®Tractor and Trailer ABS Sensor Wire Retaining ClipTractor and Trailer ABS Sensor Wire Retaining Clip by Haldex®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs...High quality at an affordable priceExpertly made from premium materials$4.48
- ReplacementCrankshaft Position SensorPeterbilt 378 12.7L 1991, Crankshaft Position Sensor by Replacement. Engine parts play a major role in ensuring the smooth and efficient running of a vehicle, directly impacting its performance and user experience. The Replacement brand...Cost-effective alternative to expensive OEM parts without compromising qualityExpertly crafted as a direct replacement for your vehicle's old engine parts$8.78
- XS Power®D-Series AGM BatteryPeterbilt 378 12.7L / 14.0L / 14.6L 1991, D-Series AGM Battery by XS Power®. Amp Hour Capacity: 86. Battery Type: AGM. Cold Cranking Amperage: 990. Reserve Capacity: 50. Designed utilizing the latest technology, this product by XS Power...Sealed absorbed glass mat (AGM) design that incorporates special glass fiber mats that contain the acid electrolyte between the lead plates, rather than a standard flooded (liquid) designLeak-proof, non-hazardous configuration typically lasts longer than normal replacement batteries if properly charged.$499.99 - $539.99
- Battery Doctor®MaxBlade™ 30 Amp FuseMaxBlade™ 30 Amp Fuse by Battery Doctor®. A Maxi Automotive Fuse for Use in Automotive, Battery and General DC Applications. This product is made of high-quality materials to serve you for years to come. Designed using...High quality at an affordable priceExpertly made from premium materials$18.72
- Bussmann®CBP-B Type I 10-32 Stud-Terminal Circuit BreakerUniversal CBP-B Type I 10-32 Stud-Terminal Circuit Breaker by Bussmann®. With Lengthwise Bracket. NEMA IP66 rated for protection from dust, oil, and other non-corrosive materials. This top-grade product is expertly made in compliance...Perfect blend of leading innovations and superior workmanshipManufactured to offer high value and everlasting reliability$2.67
- Bussmann®Class H Renewable FuseUniversal Class H Renewable Fuse by Bussmann®. Amperage: 100A. Voltage: 250V. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of...Perfect blend of leading innovations and superior workmanshipManufactured to offer high value and everlasting reliability$23.76
- Bussmann®GBF FuseUniversal GBF Fuse by Bussmann®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from industry-leading...Perfect blend of leading innovations and superior workmanshipManufactured to offer high value and everlasting reliability$0.89
- Bussmann®MAS Fast-acting FusesUniversal MAS Fast-acting Fuses by Bussmann®. Size: 3x10 mm. Amperage: 3A. Christmas light counter displays with two clip strips. 20-pack counter display with clip strips. Useful year-round, these fuses come in handy for keeping the...Perfect blend of leading innovations and superior workmanshipManufactured to offer high value and everlasting reliability$3.93
- 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
- Dorman HD Solutions®Oil Temperature SensorPeterbilt 378 12.7L 1991, Oil Temperature Sensor by Dorman HD Solutions®. This engine oil temperature sensor is designed to match the fit and function of the original sensor on specified vehicles, and is engineered for durability and...Direct replacement - this engine oil temperature sensor is designed to match the fit and function of the original sensor on specified vehiclesIdeal solution - this sensor is a reliable replacement for an original part that has failed due to fatigue or electrical malfunction$32.30
- Braille Battery®Battery Charger 12V 10A Rapid ChargeBattery Charger 12V 10A Rapid Charge (12310) by Braille Battery®. Voltage: 12V.$119.99
- Braille Battery®Lithium Battery Charger 16V 6ALithium Battery Charger 16V 6A (1636L) by Braille Battery®. Battery Type: Lithium. Voltage: 16V.$149.99
- Stant®Oil Temperature SensorPeterbilt 378 12.7L 1991, Oil Temperature Sensor by Stant®. This oil filler cap is designed to fit and function the same as the original equipment cap. It’s a direct replacement, made from premium materials and constructed for long...Designed to fit and function as the original equipment capMade from premium materials$9.82
- gpd®Camshaft Position SensorPeterbilt 378 12.7L 1991, Camshaft Position Sensor by gpd®. The electrical switch is designed to give feedback to the engine management system. The ECM controls the A/C system on modern vehicles. In earlier vehicles, they are used to...Designed to meet/exceed OE fit, form and functionDurability tested on every new design$18.98
- gpd®Crankshaft Position SensorPeterbilt 378 12.7L 1991, Crankshaft Position Sensor by gpd®. The electrical switch is designed to give feedback to the engine management system. The ECM controls the A/C system on modern vehicles. In earlier vehicles, they are used to...Designed to meet/exceed OE fit, form and functionDurability tested on every new design$32.07
