1981 Mack WS 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
- Engine Sensors, Relays, Switches
- Oil Pumps
- Oil Coolers
- Crankshafts
- Engine Bearings
- Engine Rebuild Kits
- Motor Oils
- PAI®Camshaft Follower Beaded GasketsMack WS700LST 14.0L 1981, 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 Thrust WashersMack WS700LST 14.0L 1981, 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 craftsmanship....Thrust WasherNon-Flanged Camshaft$8.54
- PAI®Piston Cooling NozzlesMack WS700LST 14.0L 1981, 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...Perfect blend of leading innovations and superior workmanshipManufactured to offer high value and everlasting reliability$8.68
- PAI®Rocker Cover GasketsMack WS700LST Cummins Engine 1981, 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...2 Years WarrantyPerfect blend of leading innovations and superior workmanship$16.86
- PAI®Valve Cover GasketMack WS700LST E6 Engine 1981, 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...Perfect blend of leading innovations and superior workmanshipManufactured to offer high value and everlasting reliability$9.62 - $52.81
- PAI®Valve Cover GrommetMack WS700LST 14.0L 1981, 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®Wave WashersMack WS700LST Cummins Engine 1981, 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....Stainless Steel2 Years Warranty$2.83
- PAI®Upper Engine Gasket SetMack WS700LST E6 Engine 1981, 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....Perfect blend of leading innovations and superior workmanshipManufactured to offer high value and everlasting reliability$181.83
- PAI®Engine Oil Pan Gasket KitMack WS700LST E6 Engine 1981, Engine Oil Pan Gasket 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$48.57
- 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...$5.62
- PAI®Engine Oil DipstickMack WS700LST 14.0L 1981, Engine Oil Dipstick 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$29.59
- 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
- ACDelco®Specialty™ Heavy Duty High Capacity V-BeltMack WS 1981, Specialty™ Heavy Duty High Capacity V-Belt by ACDelco®. Designed utilizing the latest technology, this product by ACDelco features premium quality and will perform better than advertised. Perfect for your vehicle and...Made with precision and quality in mindDesigned to meet your specific needs$19.03 - $29.70
- Dorman HD Solutions®Engine Oil Drain Plug without GasketsMack WS700LST 14.0L 1981, Engine Oil Drain Plug without Gaskets by Dorman HD Solutions®. This replacement engine oil drain plug is a direct replacement for a damaged or worn original equipment drain plug, precisely matching the thread...Ideal replacement - this engine oil drain plug matches the fit and function of the original drain plugDurable construction - this replacement drain plug is made of corrosion-resistant materials for reliable service$13.28
- PAI®Plunger Engine Oil Pump Relief ValveMack WS700LST 14.0L 1981, Plunger 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
- PAI®Pin BushingMack WS700LST 14.0L 1981, Pin 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 from...Perfect blend of leading innovations and superior workmanshipManufactured to offer high value and everlasting reliability$25.79
- Dura-Bond®Auxiliary Shaft Bearing SetMack WS700LST 11.0L 1981, Auxiliary Shaft 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....Made with precision and quality in mindDesigned to meet your specific needs$57.02
- Maxima Racing Oils®Performance Break-In™ SAE 5W-16 Break-In 2X Zinc Motor Oil, 5 GallonsPerformance Break-In™ SAE 5W-16 Break-In 2X Zinc Motor Oil, 5 Gallons x 1 Pail by Maxima Racing Oils®. Mineral based engine oil specifically formulated for breaking in engines with flat tappet camshafts, roller elements and where...$176.27
- Stant®Oil Temperature SensorMack WS700LS / WS700LST 9.0L 1981, 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...Designed to fit and function as the original equipment capMade from premium materials$9.82
- Driven Racing Oil®Synthetic High Performance Supercharger Oil, 8 ozSynthetic High Performance Supercharger Oil, 8 oz by Driven Racing Oil®. 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...Made to provide the perfect lubricant solution for your needsDesigned with innovative manufacturing techniques$28.12
- Kendall®Motor OilMotor Oil, 1 Quart by Kendall®. Kendall GT-1 Competition Motor Oil, Nitro 70, is a high-quality automotive engine oil specially formulated for use in nitromethane- and alcohol-fueled drag racing vehicles. It is not recommended for use...$5.47 - $6.32
- Red Line®5WT SAE 0W-5 Full Synthetic Racing Motor Oil, 1 Gallon5WT SAE 0W-5 Full Synthetic Racing Motor Oil, 1 Gallon by Red Line®. Racing oils provide more wear protection than motor oils for passenger vehicles, however, these products contain fewer detergents and are not suitable for street use.Racing oils provide more wear protection than motor oils for passenger vehicles, however, these products contain fewer detergents and are not suitable for street useReformulated for improved frictional properties$79.85
- Red Line®60WT SAE 20W-60 Full Synthetic Racing Motor Oil, 1 Quart60WT SAE 20W-60 Full Synthetic Racing Motor Oil, 1 Quart by Red Line®. Racing oils provide more wear protection than motor oils for passenger vehicles, however, these products contain fewer detergents and are not suitable for street use.Racing oils provide more wear protection than motor oils for passenger vehicles, however, these products contain fewer detergents and are not suitable for street useReformulated for improved frictional properties$20.95
- Red Line®70WT Full Synthetic Racing Motor Oil, 1 Gallon70WT Full Synthetic Racing Motor Oil, 1 Gallon by Red Line®. Racing oils provide more wear protection than motor oils for passenger vehicles, however, these products contain fewer detergents and are not suitable for street use.Racing oils provide more wear protection than motor oils for passenger vehicles, however, these products contain fewer detergents and are not suitable for street useReformulated for improved frictional properties$79.85
- Shell®Rotella™ T1 SAE 50 Conventional Heavy Duty Diesel Motor Oil, 5 GallonsRotella™ T1 SAE 50 Conventional Heavy Duty Diesel Motor Oil, 5 Gallons x 1 Pail by Shell®. Rotella™ T1 is an easy-flow single grade oil provides quality lubrication, consistent performance and excellent wear protection in diesel...$121.52