1981 GMC B-Series Engine
Select Your Submodel
- Engine Assemblies
- 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
- Oil Pumps
- Oil Coolers
- Camshafts
- Crankshafts
- Engine Bearings
- Harmonic Balancers
- Engine Rebuild Kits
- Balance Shafts
- Carburetors
- Motor Oils
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Mahle®Engine Oil Pan GasketGMC B-Series 1981, Engine Oil Pan Gasket by Mahle®. Designed utilizing the latest technology, this product by Mahle features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it is...Made with precision and quality in mindDesigned to meet your specific needs$12.37 - $20.23 - Fel-Pro®Crankshaft SealGMC B-Series 1981, Crankshaft Seal Kit by Fel-Pro®. 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 provide...Application specific design to ensure a perfect fitMeets or exceeds all original equipment specifications$10.05 - $18.23
- Mahle®OEM Standard Crankshaft SealGMC B-Series 5.7L 1981, OEM Standard Crankshaft Seal by Mahle®. 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....Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$9.18
- Fel-Pro®Cylinder Head GasketGMC B-Series 1981, Cylinder Head Gasket by Fel-Pro®. If you need durable gaskets to prevent leaks on your vehicle, Fel-Pro is the way to go. Engineered using the latest technologies and global engineering resources, the gaskets meet...Unsurpassed quality you can trustValidated for fit, form and function$15.61 - $40.73
- Fel-Pro®Cylinder Head Gasket SetGMC B-Series 1981, Cylinder Head Gasket Set by Fel-Pro®. 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...Proprietary coating - nonstick anti-friction coating seals small surface scratches and imperfectionsSealing technologies - exclusive sealing innovations and technologies with proprietary materials and unique design features to ensure a superior seal for your repair$52.46 - $105.89
- Calico Coatings®H-Series Main Bearing SetGMC B-Series 6.0L / 7.0L 1981, H-Series Main Bearing Set by Calico Coatings®. Bearings are coated with our CT-1 Dry Film Lubricant coating. This coating helps reduce friction and abrasive wear. It provides intermittent dry lubrication...Corrosion protectionIncreased lubricity$175.82 - $180.39
- Calico Coatings®H-Series Narrowed Connecting Rod BearingsGMC B-Series 1981, H-Series Narrowed Connecting Rod Bearings by Calico Coatings®. Bearings are coated with our CT-1 Dry Film Lubricant coating. This coating helps reduce friction and abrasive wear. It provides intermittent dry...Corrosion protectionIncreased lubricity$19.15 - $24.87
- Calico Coatings®H-Series Narrowed Doweled Connecting Rod Bearing with Dowel Pin HoleGMC B-Series 6.0L / 7.0L With Big Block Engine 1981, H-Series Narrowed Doweled Connecting Rod Bearing with Dowel Pin Hole by Calico Coatings®. Bearings are coated with our CT-1 Dry Film Lubricant coating. This coating helps reduce...Corrosion protectionIncreased lubricity$23.49
- Calico Coatings®H-Series Narrowed Doweled Connecting Rod BearingsGMC B-Series 1981, H-Series Narrowed Doweled Connecting Rod Bearings by Calico Coatings®. Bearings are coated with our CT-1 Dry Film Lubricant coating. This coating helps reduce friction and abrasive wear. It provides intermittent dry...Corrosion protectionIncreased lubricity$20.99 - $25.51
- Clevite®A Series Connecting Rod Bearing SetGMC B-Series 5.7L 1981, A Series Connecting Rod Bearing Set by Clevite®. 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...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$14.58
- Clevite®A-Series Connecting Rod Bearing SetGMC B-Series 5.7L 1981, A-Series Connecting Rod Bearing Set by Clevite®. 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...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$3.78 - $25.13
- Clevite®P-Series Connecting Rod Bearing SetGMC B-Series 1981, P-Series Connecting Rod Bearing Set by Clevite®. Enjoy superior performance by getting this premium-grade Clevite product that is throughly engineered to help take the performance of your fuel system to the next step...Perfect for upgrading your fuel injection systemMade with the use of the highest quality materials$4.57 - $64.62
- Cloyes®Center Double Row Timing ChainGMC B-Series 6.0L / 7.0L 1981, Center Double Row Timing Chain by Cloyes®. 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...Perfect for upgrading your fuel injection systemMade with the use of the highest quality materials$18.55
- Cloyes®Front Heavy Duty Camshaft SprocketGMC B-Series 6.0L / 7.0L 1981, Front Heavy Duty Camshaft Sprocket by Cloyes®. 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...Made with precision and quality in mindDesigned to meet your specific needs$11.78
- Dura-Bond®High Performance Camshaft Bearing SetGMC B-Series 5.7L 1981, High Performance Camshaft Bearing Set by Dura-Bond®. 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...Rigorously tested to withstand years of abuseHigh-grade materials for long-lasting durability$72.88 - $150.77
- Mahle®Cylinder Head GasketGMC B-Series 1981, Cylinder Head Gasket by Mahle®. 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...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$12.39 - $268.90
- Mahle®Timing Cover GasketGMC B-Series 1981, Timing Cover Gasket by Mahle®. 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...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$2.11 - $3.07
- Mahle®Timing Cover Gasket SetGMC B-Series 6.0L / 7.0L 1981, Timing Cover Gasket Set by Mahle®. 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....Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$14.23
- Melling®High Volume & Standard Pressure Oil PumpGMC B-Series 6.0L / 7.0L 1981, High Volume & Standard Pressure Oil Pump by Melling®. Designed utilizing the latest technology, this Engine Oil Pump by Melling features premium quality and will perform better than advertised. Perfect for...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$71.45
- Melling®Steel Oil Pump Pick-Up Tube & ScreenGMC B-Series 6.0L / 7.0L with 8" Deep Oil Pan / 9" Deep Oil Pan 1981, Steel Oil Pump Pick-Up Tube & Screen by Melling®. A new Melling pick-up tube/oil screen assembly provides the lubrication oil as well as protection for your oil pump...Right for your vehicle and lifestyleMade from high-quality materials for ultimate durability$13.65
- Melling®Timing ChainGMC B-Series 6.0L / 7.0L 1981, Timing Chain by Melling®. Melling timing chains are provided for most domestic and import vehicle applications. Timing chain options include both standard and roller chains to provide choices for both OEM...Designed to unlock more performance out of your vehicleDeliver a reasonable balance of strength and durability$17.76
- Sealed Power®Oil PumpGMC B-Series 6.0L / 7.0L 1981, Oil Pump by Sealed Power®. Designed utilizing the latest technology, this product by Sealed Power features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle,...Manufactured to fit a specific applicationEnsures that oil is evenly distributed in the engine system$55.90 - $71.56
- Sealed Power®Oil Pump Pick-UpGMC B-Series 6.0L / 7.0L with 9" Deep Oil Pan 1981, Oil Pump Pick-Up by Sealed Power®. Designed utilizing the latest technology, this product by Sealed Power features premium quality and will perform better than advertised. Perfect for...Direct replacementManufactured to strict engineering quality standards$13.84
- MotoRad®Oil Filler CapGMC B-Series 5.7L / 6.0L / 7.0L 1981, Oil Filler Cap by MotoRad®. 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 mind. It...Made with precision and quality in mindDesigned to meet your specific needs$1.86
- Fel-Pro®Valve Stem Oil Seal SetGMC B-Series 1981, Valve Stem Oil Seal Set by Fel-Pro®. If you need durable gaskets to prevent leaks on your vehicle, Fel-Pro is the way to go. Engineered using the latest technologies and global engineering resources, the gaskets meet...Direct OEM replacement for a proper fitEnsures reliable sealing performance$10.94 - $26.60
- Mahle®Valve Stem Oil Seal SetGMC B-Series 5.7L 1981, Valve Stem Oil Seal Set by Mahle®. 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...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$6.54 - $13.17
- QualCast®Exhaust Valve Seat InsertGMC B-Series 6.0L 1981, Exhaust Valve Seat Insert by QualCast®. 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 from high-strength materials for uncompromising durabilityDesigned to provide an excellent combination of price and quality$11.24
- QualCast®Valve Stem Oil SealGMC B-Series 1981, Valve Stem Oil Seal by QualCast®. 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 from high-strength materials for uncompromising durabilityDesigned to provide an excellent combination of price and quality$1.28 - $2.91
- Victor Reinz®Valve Stem Oil Seal SetGMC B-Series 1981, Valve Stem Oil Seal Set by Victor Reinz®. 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 mind. It will...Made with precision and quality in mindDesigned to meet your specific needs$12.45 - $38.35
- Gates®Push Plug Oil Filler CapGMC B-Series 5.7L / 6.0L / 7.0L 1981, Push Plug Oil Filler Cap by Gates®. Designed with customers in mind, this superior tool will give you the functionality and reliability you need to get things done right the first time. Gates made...The finest quality at a great priceGates carries everything needed to complete the job$2.11
