1991 Western Star 3800 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
- Throttle Bodies
- Motor Oils
- PAI®Compressor Mounting GasketWestern Star 3800 1991, Compressor Mounting Gasket 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....2 Years WarrantyPerfect blend of leading innovations and superior workmanship$8.10 - $12.68
- PAI®Connecting Rod Bearing SetWestern Star 3800 14.0L 1991, Connecting Rod Bearing 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....Perfect blend of leading innovations and superior workmanshipManufactured to offer high value and everlasting reliability$14.05
- PAI®Cylinder Head GasketWestern Star 3800 1991, Cylinder Head Gasket 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$61.89 - $537.47
- PAI®High Performance™ Connecting Rod Bearing SetWestern Star 3800 14.6L 1991, High Performance™ Connecting Rod Bearing 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...Perfect blend of leading innovations and superior workmanshipManufactured to offer high value and everlasting reliability$26.34
- PAI®High Performance™ Crankshaft Main Bearing KitWestern Star 3800 1991, High Performance™ Crankshaft Main Bearing Kit by PAI®. This product is made of high-quality components to meet and exceed strict quality requirements. Designed using state-of-the-art technology and with...Perfect blend of leading innovations and superior workmanshipManufactured to offer high value and everlasting reliability$233.98 - $374.26
- PAI®Liner KitWestern Star 3800 14.0L 1991, Liner Kit 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....Standard1 Year Warranty$73.60
- PAI®Lower Bearing KitWestern Star 3800 11.1L / 12.7L 1991, Lower Bearing Kit 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$524.73 - $548.17
- PAI®Thrust BearingWestern Star 3800 14.6L 1991, Thrust Bearing 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$35.21
- Dorman HD Solutions®Camshaft Position SensorWestern Star 3800 11.1L / 12.7L 1991, Camshaft Position Sensor by Dorman HD Solutions®. This direct replacement camshaft position sensor matches the fit and performance of a failed original equipment sensor to restore proper engine...Direct replacement - this camshaft position sensor matches the fit and performance of the original equipment sensorDurable construction - this part is manufactured to exacting standards to ensure reliable performance and durability$71.15
- Dura-Bond®Camshaft Bearing SetWestern Star 3800 1991, Camshaft Bearing Set by Dura-Bond®. 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...Made with precision and quality in mindDesigned to meet your specific needs$43.11 - $69.16
- PAI®Electrical Connector GasketsWestern Star 3800 14.6L 1991, Electrical Connector Gaskets by PAI®. 5 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...2 Years WarrantyPerfect blend of leading innovations and superior workmanship$3.54
- PAI®Engine Oil Pan BoltWestern Star 3800 11.1L / 12.7L 1991, Engine Oil Pan 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....Perfect blend of leading innovations and superior workmanshipManufactured to offer high value and everlasting reliability$13.82
- PAI®Engine Oil Pan IsolatorWestern Star 3800 1991, Engine Oil Pan 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$3.85 - $19.26
- PAI®Oil Drain GasketsWestern Star 3800 10.5L 1991, Oil Drain Gaskets by PAI®. 5 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$2.02
- PAI®Oil Drain Tube GasketWestern Star 3800 10.5L 1991, Oil Drain Tube Gasket 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$2.08
- PAI®Oil Feed GasketsWestern Star 3800 10.3L / 14.6L 1991, Oil Feed Gaskets 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...2 Years WarrantyPerfect blend of leading innovations and superior workmanship$8.73
- Dorman HD Solutions®Oil Drain Plug GasketWestern Star 3800 1991, Oil Drain Plug Gasket by Dorman HD Solutions®. These oil drain plug gaskets are designed to specific sizes and standards for reliable replacement at every oil change. Perfect for your vehicle and lifestyle, it is...Direct replacement - these engine oil drain plug gaskets are made to match the fit and performance of the original equipment componentsRestores functionality - built to restore a proper seal$12.68 - $16.39
- PAI®Oil Filter Adapter Gasket SetWestern Star 3800 8.3L 1991, Oil Filter Adapter Gasket Set Set 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...Perfect blend of leading innovations and superior workmanshipManufactured to offer high value and everlasting reliability$3.56
- PAI®Oil Filter Base GasketWestern Star 3800 10.3L 1991, Oil Filter Base Gasket 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$22.51
- PAI®Engine Oil Pump Relief ValveWestern Star 3800 1991, Engine Oil Pump Relief Valve 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$16.79 - $125.70
- PAI®Engine Oil Pump Relief Valve SpringWestern Star 3800 14.0L 1991, Engine Oil Pump Relief Valve Spring 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...Perfect blend of leading innovations and superior workmanshipManufactured to offer high value and everlasting reliability$5.00
- PAI®Hydraulic Pump Cover GasketsWestern Star 3800 10.0L / 14.0L / 8.3L 1991, Hydraulic Pump Cover Gaskets by PAI®. 5 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...2 Years WarrantyPerfect blend of leading innovations and superior workmanship$2.96
- PAI®Oil Return GasketWestern Star 3800 10.0L 1991, Oil Return Gasket 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...2 Years WarrantyPerfect blend of leading innovations and superior workmanship$0.83 - $2.45
- PAI®Push RodWestern Star 3800 1991, Push Rod 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$27.62 - $32.36
- PAI®Push Rod SetWestern Star 3800 8.3L 1991, Push Rod 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...Intake and Exhaust Valve Pushrod2 Years Warranty$4.98
- PAI®Valve Stem Seal SetWestern Star 3800 11.1L / 12.7L 1991, Valve Stem Seal 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....Intake / Exhaust2 Years Warranty$2.45
- PAI®Camshaft Follower Beaded GasketsWestern Star 3800 14.0L 1991, Camshaft Follower Beaded Gaskets 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$7.79
- PAI®Camshaft Plate GasketWestern Star 3800 11.1L / 12.7L 1991, Camshaft Plate 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,...Perfect blend of leading innovations and superior workmanshipManufactured to offer high value and everlasting reliability$8.73
- PAI®Camshaft Thrust WashersWestern Star 3800 14.0L 1991, Camshaft Thrust Washers by PAI®. 5 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...Thrust WasherNon-Flanged Camshaft$8.54
- PAI®Compressor SealWestern Star 3800 14.6L 1991, 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...2 Years WarrantyPerfect blend of leading innovations and superior workmanship$7.30