1989 Peterbilt 378 Engine
Select Your Submodel
- Engine Blocks
- Valves & Valvetrain Parts
- Pistons, Rings & Connecting Rods
- Oil Filters
- Serpentine Belts & Auxiliary Drive Belts
- Valve Covers
- Timing Gears, Chains & Covers
- Oil Pans, Drain Plugs & Dipsticks
- Cylinder Heads
- Engine Sensors, Relays, Switches
- Oil Pumps
- Oil Coolers
- Camshafts
- Crankshafts
- Engine Bearings
- Engine Rebuild Kits
- Intercoolers
- Motor Oils
- PAI®Compressor SealPeterbilt 378 14.6L 1989, Compressor Seal 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 level of craftsmanship....2 Years WarrantyPerfect blend of leading innovations and superior workmanship$7.30
- PAI®Connecting Rod BushingPeterbilt 378 12.7L 1989, Connecting Rod Bushing by PAI®. 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...Perfect blend of leading innovations and superior workmanshipManufactured to offer high value and everlasting reliability$25.13
- PAI®Cylinder Head BoltPeterbilt 378 12.7L 1989, Cylinder Head Bolt by PAI®. 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...Perfect blend of leading innovations and superior workmanshipManufactured to offer high value and everlasting reliability$9.33 - $166.34
- PAI®Cylinder Head Spacer ShimPeterbilt 378 14.6L 1989, Cylinder Head Spacer Shim by PAI®. 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....Perfect blend of leading innovations and superior workmanshipManufactured to offer high value and everlasting reliability$599.75
- PAI®Liner ShimsPeterbilt 378 1989, Liner Shims by PAI®. 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...2 Years WarrantyPerfect blend of leading innovations and superior workmanship$18.24 - $85.85
- PAI®Oil Drain Return TubePeterbilt 378 12.7L 1989, Oil Drain Return Tube by PAI®. 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...Perfect blend of leading innovations and superior workmanshipManufactured to offer high value and everlasting reliability$64.75 - $85.39
- PAI®Piston Cooling NozzlesPeterbilt 378 1989, Piston Cooling Nozzles by PAI®. 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...Perfect blend of leading innovations and superior workmanshipManufactured to offer high value and everlasting reliability$8.68 - $16.47
- PAI®Rocker Cover GasketsPeterbilt 378 14.0L 1989, Rocker Cover Gaskets by PAI®. 3 Pieces. 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....2 Years WarrantyPerfect blend of leading innovations and superior workmanship$16.86
- PAI®Rocker Cover IsolatorPeterbilt 378 12.7L 1989, Rocker Cover Isolator by PAI®. 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...Perfect blend of leading innovations and superior workmanshipManufactured to offer high value and everlasting reliability$7.84
- PAI®Rocker Housing GasketsPeterbilt 378 14.0L 1989, Rocker Housing Gaskets by PAI®. Designed utilizing the latest technology, this product by PAI features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it is...Perfect blend of leading innovations and superior workmanshipManufactured to offer high value and everlasting reliability$27.26
- PAI®Valve Cover GasketPeterbilt 378 1989, Valve Cover Gasket by PAI®. Designed utilizing the latest technology, this product by PAI features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it is manufactured...Perfect blend of leading innovations and superior workmanshipManufactured to offer high value and everlasting reliability$28.48 - $89.39
- PAI®Valve Cover GrommetPeterbilt 378 14.0L 1989, Valve Cover Grommet by PAI®. 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...Perfect blend of leading innovations and superior workmanshipManufactured to offer high value and everlasting reliability$2.84
- PAI®Valve Cover GrommetsPeterbilt 378 14.6L 1989, Valve Cover Grommets by PAI®. 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...Perfect blend of leading innovations and superior workmanshipManufactured to offer high value and everlasting reliability$6.86
- PAI®Wave WashersPeterbilt 378 14.0L 1989, Wave Washers by PAI®. 6 Pieces. 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...Stainless Steel2 Years Warranty$2.83
- Phillips & Temro®Immersion Engine HeaterPeterbilt 378 14.6L 1989, Immersion Engine Heater by Phillips & Temro®. This premium product is the best way to go for those looking for the highest quality replacement that offers supreme levels of quality, performance and reliability....Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$87.36
- PAI®Aftercooler GasketsPeterbilt 378 14.6L 1989, Aftercooler Gaskets by PAI®. 4 Pieces. 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....2 Years WarrantyPerfect blend of leading innovations and superior workmanship$1.72
- PAI®Upper Engine Gasket SetPeterbilt 378 1989, Upper Engine Gasket Set by PAI®. 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...Perfect blend of leading innovations and superior workmanshipManufactured to offer high value and everlasting reliability$292.54 - $348.92
- PAI®Engine Oil CoolerPeterbilt 378 1989, Engine Oil Cooler by PAI®. 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...Perfect blend of leading innovations and superior workmanshipManufactured to offer high value and everlasting reliability$504.09 - $871.96
- PAI®Engine Oil Pump SealPeterbilt 378 12.7L 1989, Engine Oil Pump Seal by PAI®. 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...Perfect blend of leading innovations and superior workmanshipManufactured to offer high value and everlasting reliability$2.16 - $7.30
- PAI®Engine Oil Pump SealPeterbilt 378 12.7L 1989, Engine Oil Pump Seal by PAI®. 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...Perfect blend of leading innovations and superior workmanshipManufactured to offer high value and everlasting reliability$2.16 - $7.30
- PAI®Valve Cover Bolt IsolatorsPeterbilt 378 10.0L 1989, Valve Cover Bolt Isolators by PAI®. 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....Perfect blend of leading innovations and superior workmanshipManufactured to offer high value and everlasting reliability$6.08
- Genuine®Motor OilMotor Oil, by Genuine®. Is your vehicle feeling down on power? Do you see dark puddles on the ground when you park? Is your CHECK ENGINE light on? Your engine may be in need of repair, but before you waste your time and gas running out...$9.52 - $18.85
- Motorcraft®SAE 5W-20 Full Synthetic High Mileage Motor Oil, 1 QuartSAE 5W-20 Full Synthetic High Mileage Motor Oil, 1 Quart by Motorcraft®. This product is made of high-quality components to meet and exceed strict quality requirements. Designed using state-of-the-art technology and with customers in...$5.78
- Hastings®Dual-Flow Engine Oil FilterPeterbilt 378 14.0L 1989, Dual-Flow Engine Oil Filter by Hastings®. Hastings Premium Filters has been a manufacturer of mobile filtration products for over sixty years. Hastings manufactures and distributes automotive and heavy-duty...Expertly crafted from premium materialsDesigned to match rigorous quality standards$47.11
- Hastings®Open One End Hydraulic Filter ElementPeterbilt 378 1989, Open One End Hydraulic Filter Element by Hastings®. This premium product is the best way to go for those looking for the highest quality replacement that offers supreme levels of quality, performance and reliability....Designed to unlock more performance out of your vehicleDeliver a reasonable balance of strength and durability$15.53
- Spectra Premium®New Design Heavy Duty Engine Oil PanPeterbilt 378 14.0L 1989, New Design Heavy Duty Engine Oil Pan without Gaskets by Spectra Premium®. This premium product is the best way to go for those looking for the highest quality replacement that offers supreme levels of quality,...Made with precision and quality in mindDesigned to meet your specific needs$325.50 - $361.30
- ACDelco®Specialty™ Fleetrunner Heavy Duty V-Ribbed Serpentine BeltSpecialty™ Fleetrunner Heavy Duty V-Ribbed Serpentine Belt by ACDelco®. Limited Lifetime as long as original purchaser owns vehicle. This top-grade product is expertly made in compliance with stringent industry standards to offer a...High quality at an affordable priceExpertly made from premium materials$66.79
- Dorman HD Solutions®Engine Oil PanPeterbilt 378 10.0L 1989, Engine Oil Pan by Dorman HD Solutions®. Oil pan leaking? This engine oil pan is precision-engineered to match the original equipment pan on specific vehicle years, makes and models for a reliable replacement.Direct replacement - this engine oil pan is made to match the original pan on specific vehiclesComplete assembly - includes replacement pan and drain plugs to match original components$678.56
- Replace®Engine Oil Pan with GasketPeterbilt 378 14.0L with Stamped Oil Pan B01AY4E5FC 1989, Engine Oil Pan with Gasket by Replace®. Stop oil leaks and keep your engine operating at its best with this superior Engine Oil Pan. Replace your worn out or cracked oil pan with...Direct replacementMeets or exceeds OE standards$425.94
- TruParts®1st Design Engine Crankshaft SealPeterbilt 378 1989, 1st Design Engine Crankshaft Seal by TruParts®. Designed utilizing the latest technology, this product by TruParts features premium quality and will perform better than advertised. Perfect for your vehicle and...Direct replacementDesigned with the latest software and manufactured with modern tooling$1.57