1981 GMC G-Series Engine Parts
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- Engine Assemblies
- Motor Mounts
- 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 Pulleys
- Engine Sensors, Relays, Switches & Connectors
- Oil Pumps
- Oil Coolers
- Camshafts
- Crankshafts
- Engine Bearings
- Harmonic Balancers
- Engine Rebuild Kits
- Balance Shafts
- Engine Swap Kits
- Throttle Bodies
- Carburetors
- Motor Oils
- Cloyes®Engine Timing SetGMC G-Series 1981, Engine Timing Set by Cloyes®. Keep your engine’s valvetrain in perfect time with Cloyes, the world leader in timing drive systems. No matter whether you need a timing gear or complete timing gear set, Cloyes has the...Maintains critical valve timingPrevents performance problems and possible engine damage that can result from incorrect timing$15.18 - $358.52
- Sealed Power®PistonGMC G-Series 1981, Piston 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, it is...Helps improve cylinder sealing for less blow-byRetains standard ring gaps in top groove$19.51 - $26.87
- iD Select®Heat-Treated Engine Timing SetGMC G-Series 1981, Heat-Treated Engine Timing Set by iD Select®. Swap out your worn-out or malfunctioning part with this top-notch product from iD Select. It’s built to OEM specifications to offer the same fit, form, and function as...Direct OEM replacement for your malfunctioning partMade to deliver the ultimate in quality, reliability, and value$17.75
- Sealed Power®DUROSHIELD Cast PistonGMC G-Series 5.7L 1981, DUROSHIELD Cast Piston by Sealed Power®. Available on both hypereutectic and POWERFORGED pistons, DUROSHIELD is an exclusive moly-graphite skirt coating that extends engine life and essentially eliminates...Reduce friction for increased fuel economy and horsepowerEssentially eliminate scuffing and wear$24.72 - $25.84
- Mahle®PistonGMC G-Series 1981, Piston 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 industry-leading...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$24.67 - $41.24
- Enginetech®Timing SetGMC G-Series 1981, Timing Set by Enginetech®. 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 a...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$17.22 - $43.94
- Cloyes®Outer Crankshaft SprocketGMC G-Series 5.0L 1981, Outer Crankshaft 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 reliability. Designed...Made with precision and quality in mindDesigned to meet your specific needs$2.94
- Mahle®Piston SetGMC G-Series 1981, Piston 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$29.71 - $30.38
- Mahle®Piston with RingsGMC G-Series 1981, Piston with Rings 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$27.78 - $75.95
- Enginetech®Remanufactured Crankshaft KitGMC G-Series 1981, Remanufactured Crankshaft Kit by Enginetech®. 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$331.25 - $408.24
- Enginetech®CamshaftGMC G-Series 1981, Camshaft by Enginetech®. 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 a...Rigorously tested to withstand years of abuseDesigned with innovative manufacturing techniques$80.15 - $146.40
- COMP Cams®Xtreme Energy™ Camshaft Complete KitGMC G-Series 1981, Xtreme Energy™ Camshaft Complete Kit by COMP Cams®. This high-grade product was designed with craftsmanship and key attention to detail and manufactured using leading-edge innovations by experienced and...Developed to provide steady performance and reliabilityMade using up-to-date equipment and new technologies$449.95 - $1,472.95
- Mahle®Engine Timing SetGMC G-Series 1981, Engine Timing Set 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 manufactured...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$28.08 - $32.03
- Melling®402 High Performance™ Adjustable Engine Timing SetGMC G-Series 5.0L / 5.7L 1981, 402 High Performance™ Adjustable Engine Timing Set by Melling®. Melling timing chain kits provide an efficient and economical way to provide the timing components needed for a quality engine rebuild....Designed to unlock more performance out of your vehicleDeliver a reasonable balance of strength and durability$55.90
- Cloyes®Torrington BearingGMC G-Series 1981, Torrington Bearing by Cloyes®. Keep your engine’s valvetrain in perfect time with Cloyes, the world leader in timing drive systems. No matter whether you need a timing gear or complete timing gear set, Cloyes has...Maintains critical valve timingPrevents performance problems and possible engine damage that can result from incorrect timing$15.00
- COMP Cams®Magnum™ Camshaft Complete KitGMC G-Series 1981, Magnum™ Camshaft Complete Kit by COMP Cams®. This high-grade product was designed with craftsmanship and key attention to detail and manufactured using leading-edge innovations by experienced and knowledgeable...Great high rpm powerEasy on valve train parts$497.95 - $635.95
- COMP Cams®Oval Track™ CamshaftGMC G-Series 1981, Oval Track™ Camshaft by COMP Cams®. Designed utilizing the latest technology, this product by COMP Cams features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it is...High quality at an affordable priceExpertly made from premium materials$213.03 - $546.95
- Dart®Special High Performance Engine BlockGMC G-Series 5.0L / 5.7L 1981, Special High Performance Engine Block by Dart®. The SHP Ford Block is tailored to the most popular performance and racing applications. The valley is machined to accept factory roller lifter guides and...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$2,944.48
- Trans-Dapt®Engine Swap Motor Mounts (Chevy Small Block Gen I)Engine Swap Motor Mounts (Chevy Small Block Gen I) by Trans-Dapt®. 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$56.89 - $245.01
- ACDelco®GM Original Equipment™ Engine Oil FilterGMC G-Series 1981, GM Original Equipment™ Engine Oil Filter by ACDelco®. Designed utilizing the latest technology, this Oil Filter by ACDelco features premium quality and will perform better than advertised. Perfect for your vehicle...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$5.28 - $23.23
- TRQ®Driver Side Engine MountGMC G-Series 1981, Driver Side Engine Mount by TRQ®. When it comes to purchasing quality replacement parts, this top-notch TRQ engine mount is the right choice. Manufactured from superior materials, it is capable of withstanding even...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$30.95
- TRQ®Engine Mount SetGMC G-Series 1981, Engine Mount Set by TRQ®. When it comes to purchasing quality replacement parts, this top-notch TRQ engine mount is the right choice. Manufactured from superior materials, it is capable of withstanding even the most...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$46.95
- TRQ®Passenger Side Engine MountGMC G-Series 1981, Passenger Side Engine Mount by TRQ®. When it comes to purchasing quality replacement parts, this top-notch TRQ engine mount is the right choice. Manufactured from superior materials, it is capable of withstanding even...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$30.95
- Mahle®Valve Cover Gasket SetGMC G-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$10.42 - $36.53
- Mahle®Piston Ring SetGMC G-Series 1981, Piston Ring Set by Mahle®. Mahle is the largest piston ring manufacturer in the world, so it is no surprise that Mahle piston rings are the most extensively tested and technically advanced piston rings in the...The combination of Mahle's patented HV385 thermal spray face coating and SAE 9254 high alloy steel base material creates the ultimate in performance piston ring technologyHigh tensile strength allows rings to stand up to extreme firing pressures$4.39 - $85.18
- WIX®XP™ Long Engine Oil FilterGMC G-Series 5.0L / 5.7L Canada Built / USA Built 1981, XP™ Long Engine Oil Filter by WIX®. Engineered to maximize the performance of synthetic motor oils, it provides optimum protection for the increased demands on today’s...Designed to resist premature plugging due to oil breakdown and combustion by-productsWire-backed full-synthetic media is the latest in filtration technology$9.61
- Anchor®Engine Mount KitGMC G-Series 1981, Engine Mount Kit by Anchor®. If you feel vibration accompanied by unusual noise when driving, this can be the sign of a bad engine mount. Replace it with a mount from the leading aftermarket supplier, Anchor....Direct OEM replacementSecurely supports the engine on the chassis$31.00 - $31.39
- Fel-Pro®Engine Oil Pan Gasket SetGMC G-Series 1981, Engine Oil Pan Gasket Set by Fel-Pro®. Designed utilizing the latest technology, this product by Fel-Pro features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it is...Direct OEM replacement for a proper fitEnsures reliable sealing performance$13.39 - $33.71
- Baldwin Filters®Spin-On Engine Oil FilterGMC G-Series 1981, Spin-On Engine Oil Filter by Baldwin Filters®. Dirty oil can cause catastrophic damage to your engine. By using the proper lube filter for your engine, you can minimize the possibility of costly downtime and repairs....Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$7.92 - $9.63
- WIX®Full-Flow Lube Engine Oil FilterGMC G-Series Canada Built / USA Built 1981, Full-Flow Lube Engine Oil Filter by WIX®. Designed utilizing the latest technology, this product by Wix features premium quality and will perform better than advertised. Perfect for your...You use conventional, synthetic or synthetic-blended motor oilsYour drives are stop-and-go, either in the city or in heavy traffic$9.05 - $10.03
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1981 GMC G-Series Engine Reviews
3 reviews
Works Great. Had to Drive It for a Couple of Hundred Miles but Once I Checked Had No Leak at All
BlueDevil® - Rear Main Seal, 8 ozPosted by Customer / March 14, 20212005 Ford F-350
1981 GMC G-Series Models
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