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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Fel-Pro®Blue Stripe™ Valve Cover Gasket SetGMC B-Series 5.7L 1981, Blue Stripe™ Valve Cover Gasket Set by Fel-Pro®. This legendary cork-rubber solution combines the qualities of cork and rubber gaskets. It maintains its shape and flexibility, yet is highly compressible. It...Designed for imperfect sealing surfaces - Engineered and manufactured specifically for the repair environment to help seal imperfect sealing surfacesEngineered to perform - Proprietary cork-rubber formulation$11.22 - $15.28 - Fel-Pro®Fel-CoPrene™ Rubber Valve Cover Gasket SetGMC B-Series 1981, Fel-CoPrene™ Rubber Valve Cover Gasket Set by Fel-Pro®. If you are looking for quality sealing solutions, Fel-Pro offers you various replacement products from seals and bolts to O-Rings and dowel pins. Engineered...Made with precision and quality in mindDesigned to meet your specific needs$12.92 - $14.29
- Fel-Pro®PermaDryPlus™ Valve Cover Gasket SetGMC B-Series 5.7L 1981, PermaDryPlus™ Valve Cover Gasket Set by Fel-Pro®. These problem-solving gaskets feature the latest technologies designed specifically for the aftermarket repair environment. They are the right choice for any...One-piece, molded silicone rubber construction provides superior blowout resistanceTime-saving rigid carrier system provides instant fit without adhesives, hence the name “PermaDryPlus”$40.00
- Fel-Pro®Valve Cover Load SpreadersGMC B-Series 5.7L 1981, Valve Cover Load Spreaders by Fel-Pro®. If you are looking for quality sealing solutions, Fel-Pro offers you various replacement products from seals and bolts to O-Rings and dowel pins. Engineered using the...Direct OEM replacement for a proper fitEnsures reliable sealing performance$28.41
- Dura-Bond®Engine Hardware Finishing KitGMC B-Series 5.7L / 6.0L / 7.0L 1981, Engine Hardware Finishing Kit 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...Made with precision and quality in mindDesigned to meet your specific needs$12.08 - $20.26
- Mahle®Engine Crankshaft Seal Retainer GasketGMC B-Series 1981, Engine Crankshaft Seal Retainer 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....Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$5.88 - $23.08
- Mahle®Valve Cover Gasket SetGMC B-Series 1981, Valve 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. Manufactured from...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$10.14 - $42.60
- Dorman®Connecting Rod Nut SetGMC B-Series 5.7L 1981, Connecting Rod Nut Set by Dorman®. Engine Connecting Rod Nuts are suitable for a variety of applications. All their Engine Connecting Rod Nuts are manufactured for high corrosion resistance and a long service life.High-quality steel constructionDirect replacement for a proper fit$13.81
- Fel-Pro®Cylinder Head Bolt SetGMC B-Series 1981, Cylinder Head Bolt Set by Fel-Pro®. If you are looking for quality sealing solutions, Fel-Pro offers you various replacement products from seals and bolts to O-Rings and dowel pins. Engineered using the latest...Direct OEM replacement for a proper fitEnsures reliable sealing performance$20.75 - $25.73
- Fel-Pro®Harmonic Balancer Repair SleeveGMC B-Series 1981, Harmonic Balancer Repair Sleeve 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...Direct OEM replacement for a proper fitEnsures reliable sealing performance$6.60 - $7.05
- Mahle®Cylinder Head Bolt SetGMC B-Series 1981, Cylinder Head Bolt 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 from...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$24.49 - $24.90
- Mahle®Engine Oil Pump Shaft RetainerGMC B-Series 5.7L / 6.0L / 7.0L 1981, Engine Oil Pump Shaft Retainer by Mahle®. This product is made of high-quality components to meet and exceed strict quality requirements. Designed using state-of-the-art technology and with...Made with precision and quality in mindDesigned to meet your specific needs$1.49
- Mahle®Harmonic Balancer Repair SleeveGMC B-Series 1981, Harmonic Balancer Repair Sleeve 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$7.58 - $8.26
- Mahle®Oil Cooler Gasket SetGMC B-Series 5.7L / 6.0L / 7.0L 1981, Oil Cooler 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$12.64
- Mahle®Timing Cover SealGMC B-Series 1981, Timing Cover Seal by Mahle®. 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 meet your...Made with precision and quality in mindDesigned to meet your specific needs$8.39 - $9.18
- Melling®Oil Pump Intermediate ShaftGMC B-Series 6.0L / 7.0L with Steel Shaft Guide 1981, Oil Pump Intermediate Shaft by Melling®. A new Melling oil pump shaft is recommended to complete every new oil pump install. Designed utilizing the latest technology, this product by...Right for your vehicle and lifestyleMade from high-quality materials for ultimate durability$12.91
- Sealed Power®Heavy Duty Oil Pump Intermediate ShaftGMC B-Series 6.0L / 7.0L with Steel Shaft Guide 1981, Heavy Duty Oil Pump Intermediate Shaft by Sealed Power®. Designed utilizing the latest technology, this product by Sealed Power features premium quality and will perform better than...Direct replacementManufactured to strict engineering quality standards$7.18
- Sealed Power®Oil Pump Intermediate Shaft GuideGMC B-Series 6.0L / 7.0L 1981, Oil Pump Intermediate Shaft Guide 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...Made with precision and quality in mindDesigned to meet your specific needs$0.82
- Idemitsu®SAE 0W-16 Full Synthetic Motor Oil, 5 QuartsSAE 0W-16 Full Synthetic Motor Oil, 5 Quarts by Idemitsu®. Idemitsu 0W-16 SP/GF-6B is a fully synthetic, ultra-low viscosity formulation with robust additive technology, enabling engines to achieve maximum levels of efficiency, torque...$37.65
- Amalie Oil®Pro High Performance™ SAE 50W Synthetic Blend Motor OilPro High Performance™ SAE 50W Synthetic Blend Motor Oil, 1 Quart by Amalie Oil®. A premium, synthetic blend, high performance motor oil. It is formulated for high mileage, light truck and passenger car gasoline/diesel engines.$7.44 - $79.74
- Eneos®Racing Street™ SAE 0W-50 Full Synthetic Motor Oil, 1 QuartRacing Street™ SAE 0W-50 Full Synthetic Motor Oil, 1 Quart by Eneos®. The Racing Street SAE 0W-50 motor oil is a PAO fully synthetic oil offering exceptional viscosity, fast starts, excellent engine protection, and anti-shearing...$11.99
- Liqui Moly®Special Tec B FE SAE 5W-30 Synthetic Motor OilSpecial Tec B FE SAE 5W-30 Synthetic Motor Oil, by Liqui Moly®. Primarily developed for the requirement of specific BMW gasoline engines without particulate filter (GPF) from year 2002 and later. Compatible for the use with...$13.84 - $54.00
- Lucas Oil®Racing SAE 50 Plus Conventional Motor Oil, 5 QuartsRacing SAE 50 Plus Conventional Motor Oil, 5 Quarts by Lucas 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 mind. It...$40.04
- Royal Purple®XPR™ SAE 0W-8 Synthetic Motor OilXPR™ SAE 0W-8 Synthetic Motor Oil, 1 Quart by Royal Purple®. XPR 0W-8 is an ultra-light viscosity racing motor oil formulated for use in drag racing, motorcycle sprint racing, etc. This product is made of high-quality components to...$17.54 - $105.24
- Mahle®Carburetor Mounting GasketGMC B-Series 1981, Carburetor Mounting Gasket by Mahle®. Bring your vehicle’s fuel system back to its top shape with this top-notch part. Designed as a direct-fit replacement of your worn-out or malfunctioning part, it will provide...Designed as a replacement for your worn-out fuel system partWill help optimize your vehicle’s performance and fuel efficiency$9.73 - $11.50
- Continental® ContiTech™Mileage Maker™ Poly-V BeltGMC B-Series 1981, Mileage Maker™ Poly-V Belt by Continental® ContiTech™. 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...OE quality parts from top original equipment and aftermarket manufacturersThe finest quality at a great price$7.94
- Victor Reinz®Crankshaft SealGMC B-Series 1981, Crankshaft Seal 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 meet...Made with precision and quality in mindDesigned to meet your specific needs$13.77 - $25.41
- Mahle®Connecting Rod Bearing SetGMC B-Series 5.7L 1981, Connecting Rod Bearing 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$29.59
- Victor Reinz®Cylinder Head Gasket SetGMC B-Series 1981, Cylinder Head Gasket 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$23.69 - $95.80
- Victor Reinz®Valve Cover Gasket SetGMC B-Series 1981, Valve Cover Gasket 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$10.60 - $43.84
