1981 GMC G-Series Replacement Engine Parts

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    • (1 review)
      # 90639574
      GMC G-Series 1981, Engine Long Block by Replace®. If your engine is worn out, don’t just get a rebuilt engine, get one that’s better than new. A Replace engine is reverse engineered to eliminate original factory defects,...
      Designed to be better than newReverse engineered to ensure any factory defects are eliminated
      $1,262.76 - $2,018.58
    • (0 reviews)
      # 191730492
      GMC G-Series 1981, Cylinder Head by Replace®. If your vehicle has a cylinder head problem, don’t waste time and money having your originals repaired. Replace cylinder heads are completely machined, inspected and ready to install, and...
      Completely disassembled, thoroughly cleaned, and carefully inspectedChecked for cracks
      $240.72 - $420.24
    • (1 review)
      # 72685574
      GMC G-Series 1981, Oil Pump by Melling®. Melling oil pumps provide dependable performance every time in every application. Every pump is engineered, manufactured and assembled to the highest material and production standards....
      Right for your vehicle and lifestyleMade from high-quality materials for ultimate durability
      $20.94 - $98.10
    • (0 reviews)
      # 158102263
      GMC G-Series 5.0L / 5.7L 1981, Oil Pump by DNJ Engine Components®. This supreme DNJ oil pump will come in handy if you need to replace your malfunctioning component and restore your vehicle to its proper performance. Made from superior...
      Designed to replace your worn out factory oil pumpHelps keep your vehicle operating at its maximum
      $17.61 - $25.35
    • (0 reviews)
      # mpn2261935
      GMC G-Series 5.0L / 5.7L 1981, OE Solutions™ Steel Oil Pan with Baffled, without Dipstick Port, Windage Tray by Dorman®. Designed utilizing the latest technology, this product by Dorman features premium quality and will perform better...
      OE quality parts from top original equipment and aftermarket manufacturersThe finest quality at a great price
      $40.95
    • (0 reviews)
      # 484783671
      GMC G-Series 1981, High Mileage™ Spin-On Oil Filter by FRAM®. 1 Piece. This Full-Flow Spin-On filter helps to extend the service life of High Mileage vehicles ensuring maximum engine protection and unrestricted oil flow. It's the...
      Ensures extreme engine protection and oil filtration for older high mileage vehiclesContains time-released additives to maintain protection throughout oil life
      $6.03 - $7.31
    • (0 reviews)
      # mpn1776711
      GMC G-Series 1981, Ultra™ Longer Version Synthetic Spin-On Oil Filter with Anti-Drain Back Valve by FRAM®. 1 Piece. Engineered for maximum engine protection without affecting oil flow this full-flow filter utilizes dual-layer...
      Designed for Full-Flow oil filtrationFor use with synthetic oil
      $8.78
    • (0 reviews)
      # 484803683
      GMC G-Series 1981, DistancePlus™ Spin-On Oil Filter by Bosch®. Bosch DistancePlus Oil Filters are high efficiency/high capacity oil filters designed to keep oil clean longer and protect the vehicle's engine. Comparing to conventional...
      Designed to work with a synthetic, semi-synthetic, or conventional oil brand99.9% efficient to remove more dirt
      $17.53 - $20.39
    • (0 reviews)
      # 484715563
      GMC G-Series 1981, HP™ High Performance Spin-On Oil Filter with Anti-Drain Back Valve by FRAM®. Do you feel shaking or shuddering when you engage the clutch; hear grinding noise when you shift gears? Does your engine race without an...
      Quality parts from top original equipment and aftermarket manufacturersThe finest quality at a great price
      $9.14 - $11.34
    • (0 reviews)
      # 484753128
      GMC G-Series 1981, Pro™ Spin-On Oil Filter by FRAM®. Do you feel shaking or shuddering when you engage the clutch; hear grinding noise when you shift gears? Does your engine race without an increase in road speed? You’re in need of...
      Quality parts from top original equipment and aftermarket manufacturersThe finest quality at a great price
      $2.36 - $2.92
    • (0 reviews)
      # 829237542
      GMC G-Series 1981, Premium™ Cellulose Paper Spin-On Oil Filter with Anti-Drain Back Valve by Bosch®. For premium engine performance, you need a premium oil filter. This filter from Bosch is highly efficient in filtering the oil by...
      Designed for a proper fit99% efficiency – traps small engine-damaging particles
      $4.72
    • (0 reviews)
      # mpn798920
      GMC G-Series 1981, Premium™ High Performance Cellulose Paper Spin-On/Canister Oil Filter with Anti-Drain Back Valve by Bosch®. For premium engine performance, you need a premium oil filter. This filter from Bosch is highly efficient...
      Designed for a proper fit99% efficiency – traps small engine-damaging particles
      $6.55
    • (0 reviews)
      # 829039429
      GMC G-Series 1981, Oil Filter by Crown®. Crown Automotive is just the ticket if you want to get the most out of your vehicle as well as revel in a more exciting driving experience. You will surely get a real bang for the buck!
      Developed to improve your driving experienceConstructed to ensure ultimate operation
      $6.45
    • (0 reviews)
      # 484628634
      GMC G-Series 1981, Tough Guard™ Spin-On Oil Filter by FRAM®. 1 Piece. This filter is designed to ensure maximum protection to your engine under any driving conditions. FRAM Tough Guard oil filter uses only high-quality media blend and...
      Ensures extreme engine protection and oil filtrationDesigned for Premium Conventional and Synthetic Blend Motor Oil
      $5.47 - $6.01
    • (0 reviews)
      # 484719956
      GMC G-Series 1981, Spin-On Full-Flow Lube 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 vehicle and lifestyle, it is...
      OE quality parts from top original equipment and aftermarket manufacturersThe finest quality at a great price
      $4.75 - $5.39
    • (0 reviews)
      # 484773679
      GMC G-Series 1981, Extra Guard™ Cartridge Spin-On Oil Filter by FRAM®. 1 Piece. The moving parts in your engine are cushioned by a very thin film of oil between the moving parts and bearings. If dirt gets in between these components,...
      Provides superior engine protection and oil filtrationDesigned for Conventional Motor Oil
      $4.07 - $5.08
    • (0 reviews)
      # 929967014
      GMC G-Series 1981, OE Solutions™ Regular Grade Type Harmonic Balancer Assembly by Dorman®. Designed utilizing the latest technology, this product by Dorman features premium quality and will perform better than advertised. Perfect for...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $33.95 - $71.95
    • (1 review)
      # mpn902811208
      GMC G-Series 5.0L / 5.7L without California Emission System 1981, Class 1 Hydraulic Torque Camshaft by Melling®. Designed utilizing the latest technology, this product by Melling features premium quality and will perform better than...
      Designed to unlock more performance out of your vehicleDeliver a reasonable balance of strength and durability
      $53.34
    • (0 reviews)
      # 72685468
      GMC G-Series 1981, OE Stock Replacement Grind Camshaft Using Hydraulic Lifters by Melling®. Designed utilizing the latest technology, this product by Melling features premium quality and will perform better than advertised. Perfect for...
      Designed to unlock more performance out of your vehicleDeliver a reasonable balance of strength and durability
      $50.86 - $70.34
    • (0 reviews)
      # 158102228
      GMC G-Series 5.7L 1981, Camshaft by DNJ Engine Components®. Protect your engine part from contaminants and prolong its service life with this premium DNJ seal. Rigorously manufactured from top-grade materials and expertly tested, this...
      Designed to provide reliable sealing performanceProtects the engine part from contaminants and extends its life
      $41.12 - $50.71
    • (0 reviews)
      # 87377214
      GMC G-Series 1981, Engine Mount 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. Manufactured...
      Direct OEM replacementSecurely supports the engine on the chassis
      $1.86
    • (0 reviews)
      # mpn1290140
      GMC G-Series 1981, Front Engine Mount by Westar®. Westar's OE replacement motor mounts effectively control engine movement for vibration-free driving. Since 1986, Westar has specialized in distributing top-of-the-line engine mounts and...
      Build with quality that matches or exceeds OEM SpecificationsPerfect fit
      $6.13
    • (0 reviews)
      # 539305302
      GMC G-Series 1981, Engine Mount by DEA®. Designed to meet all OE standards and specifications, these engine mounts will fit your vehicle with no modifications. They will safely connect the engine to the car frame keeping it in proper...
      Designed to meet or exceed OE specificationsConstructed to deliver consistent performance
      $3.73 - $5.88
    • (0 reviews)
      # mpn1146617023
      GMC G-Series 1981, Front Passenger Side Standard Duty Engine Mount by Pioneer Automotive®. Designed utilizing the latest technology, this product by Pioneer Automotive features premium quality and will perform better than advertised....
      Made to deliver reliable service for a long timeRugged construction to withstand harsh conditions
      $5.94
    • (0 reviews)
      # mpn1076870
      GMC G-Series 5.0L / 5.7L with Dipstick On Passenger Side 1981, New Steel Oil Pan without Gaskets by Spectra Premium®. This oil pan is designed to provide OE quality, fit, and performance. It's manufactured using Spectra Premium's...
      Stores the engine oil and protects the the bottom of the vehicle's engine from road debrisManufactured using both spot welding and baffle processes to ensure OE design and fit
      $57.81
    • (0 reviews)
      # 405018445
      GMC G-Series 1981, Oil Pan by ATP®. ATP Graywerks Oil Pans are a high quality OE replacement alternative. All pans are developed to originally specified designs, with oil capacity and baffles as required by the application. The parts...
      Heavy gauge materials provide superior pan durability and resistance to warpingHigh-Temp powder coating resists corrosion and ensures a long lasting replacement (on originally painted steel pans)
      $43.57
    • (0 reviews)
      # mpn902732609
      GMC G-Series 4.1L 1981, Camshaft Gear by Melling®. Timing gears and sprockets from Melling are provided as a part of a complete timing kit program including chain and sprocket kits, as well as for the individual gear and sprocket sales.
      Right for your vehicle and lifestyleMade from high-quality materials for ultimate durability
      $38.37
    • (0 reviews)
      # 371950596
      GMC G-Series 1981, Camshaft Sprocket by Melling®. Timing gears and sprockets from Melling are provided as a part of a complete timing kit program including chain and sprocket kits, as well as for the individual gear and sprocket sales....
      Right for your vehicle and lifestyleMade from high-quality materials for ultimate durability
      $9.02 - $9.67
    • (0 reviews)
      # 371950649
      GMC G-Series 5.0L / 5.7L 1981, Crankshaft Sprocket by Melling®. Timing gears and sprockets from Melling are provided as a part of a complete timing kit program including chain and sprocket kits, as well as for the individual gear and...
      Right for your vehicle and lifestyleMade from high-quality materials for ultimate durability
      $4.03 - $6.25
    • (0 reviews)
      # mpn902755007
      GMC G-Series 4.1L 1981, Oil Pump Drive Gear by Melling®. Melling offers a replacement oil pump drive gear for several AMC, Jeep and GM applications. This gear should be replaced should the original gear show ware or be damaged or lost...
      Right for your vehicle and lifestyleMade from high-quality materials for ultimate durability
      $24.92
    • (0 reviews)
      # 72685380
      GMC G-Series 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 and...
      Right for your vehicle and lifestyleMade from high-quality materials for ultimate durability
      $9.46 - $10.26
    • (0 reviews)
      # 371961261
      GMC G-Series 4.1L 1981, Timing Gear Set by Melling®. Timing gears and sprockets from Melling are provided as a part of a complete timing kit program including chain and sprocket kits, as well as for the individual gear and sprocket sales.
      Right for your vehicle and lifestyleMade from high-quality materials for ultimate durability
      $46.80 - $59.88
    • (1 review)
      # 72685605
      GMC G-Series 5.0L / 5.7L 1981, 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.
      Right for your vehicle and lifestyleMade from high-quality materials for ultimate durability
      $14.40 - $19.59
    • (0 reviews)
      # mpn1687580
      GMC G-Series 5.0L 1981, Steel Front Timing Camshaft Sprocket 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...
      Maintains critical valve timingPrevents performance problems and possible engine damage that can result from incorrect timing
      $5.65
    • (0 reviews)
      # 85349497
      GMC G-Series 4.1L 1981, Timing Crankshaft Gear 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,...
      Maintains critical valve timingPrevents performance problems and possible engine damage that can result from incorrect timing
      $9.96 - $17.30
    • (0 reviews)
      # mpn1700627
      GMC G-Series 5.0L 1981, Outer Timing Crankshaft Sprocket by Cloyes®. Meets or exceeds OEM performance requirements. Cloyes utilizes the latest in design and material technology, ensuring quiet and maintenance-free experience.
      OE quality parts from top original equipment and aftermarket manufacturersThe finest quality at a great price
      $3.06
    • (0 reviews)
      # 164558469
      GMC G-Series 1981, Timing Chain by Cloyes®. Keep your engine’s valvetrain and balance shafts in perfect time with Cloyes, the world leader in timing drive systems. No matter whether you need a belt, chain or a complete timing kit,...
      Maintains critical valvetrain and balance shaft timingPrevents performance problems and possible engine damage that can result from incorrect timing
      $12.25 - $105.90
    • (0 reviews)
      # 85349004
      GMC G-Series 4.1L 1981, Timing Gear 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...
      Maintains critical valve timingPrevents performance problems and possible engine damage that can result from incorrect timing
      $32.43 - $163.76
    • (0 reviews)
      # 85349540
      GMC G-Series 1981, Timing Set by Cloyes®. Meets or exceeds OEM performance requirements. Cloyes utilizes the latest in design and material technology, ensuring quiet and maintenance-free experience.
      OE quality parts from top original equipment and aftermarket manufacturersThe finest quality at a great price
      $13.39 - $189.36
    • (0 reviews)
      # mpn1146615183
      GMC G1500 / G2500 with 7" Harmonic Balancer 1981, Timing Cover by Pioneer Automotive®. Designed utilizing the latest technology, this product by Pioneer Automotive features premium quality and will perform better than advertised....
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $13.72
    • (0 reviews)
      # mpn62474694
      GMC G-Series 4.1L 1981, Aluminum Timing Camshaft Gear 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...
      Direct replacementManufactured to strict engineering quality standards
      $36.57
    • (0 reviews)
      # 41794073
      GMC G-Series 1981, Timing Camshaft Sprocket 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...
      Direct replacementManufactured to strict engineering quality standards
      $5.00 - $14.37
    • (0 reviews)
      # mpn62406012
      GMC G-Series 5.0L / 5.7L with 0.405" Tooth Width Sprocket 1981, Timing Chain by Sealed Power®. Designed utilizing the latest technology, this product by Sealed Power features premium quality and will perform better than advertised....
      Direct replacementManufactured to strict engineering quality standards
      $11.58
    • (0 reviews)
      # 41794009
      GMC G-Series 1981, Timing Crankshaft Sprocket 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...
      Direct replacementManufactured to strict engineering quality standards
      $2.67 - $6.22
    • (0 reviews)
      # 41793941
      GMC G-Series 4.1L 1981, Timing Gear Set 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,...
      Direct replacementManufactured to strict engineering quality standards
      $44.88 - $58.10
    • (0 reviews)
      # 41794013
      GMC G-Series 1981, Timing Set 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...
      Direct replacementManufactured to strict engineering quality standards
      $15.09 - $29.95
    • (0 reviews)
      # 930066630
      GMC G-Series 1981, Harmonic Balancer by Pioneer Automotive®. Designed utilizing the latest technology, this product by Pioneer Automotive features premium quality and will perform better than advertised. Perfect for your vehicle and...
      Made to deliver reliable service for a long timeRugged construction to withstand harsh conditions
      $71.20 - $124.75
    • (0 reviews)
      # 72685610
      GMC G-Series 1981, Rocker Arm by Melling®. Melling lists rocker arms for both domestic and import applications. Depending on OEM design specifications, Melling rocker arms are provided in either stamped or cast materials. Each rocker...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $2.94 - $3.99
    • (0 reviews)
      # 72685838
      GMC G-Series 1981, Rocker Arm Kit by Melling®. Designed utilizing the latest technology, this product by Melling features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it is...
      Right for your vehicle and lifestyleMade from high-quality materials for ultimate durability
      $4.44 - $4.51
    • (0 reviews)
      # mpn902761449
      GMC G-Series 1981, Valve Lifter by Melling®. Designed utilizing the latest technology, this product by Melling features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it is manufactured...
      Right for your vehicle and lifestyleMade from high-quality materials for ultimate durability
      $3.93
    • (0 reviews)
      # 643165440
      GMC G-Series 5.0L 1981, Valve by DNJ Engine Components®. Save your time and hassle when replacing your worn out or cracked valve with this superior part expertly crafted by DNJ. Designed to meet or exceed the highest OE standards, the...
      Designed to replace your worn out or cracked valveLooks, fits and performs just like your OE part
      $4.18 - $8.20
    • (0 reviews)
      # mpn898153757
      GMC G-Series 5.0L / 5.7L 1981, GM Original Equipment™ Hydraulic Valve Adjuster/Valve Lifter by ACDelco®. Designed utilizing the latest technology, this product by ACDelco features premium quality and will perform better than...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $13.58
    • (0 reviews)
      # 1039356222
      GMC G-Series 1981, Engine Valve by SBI®. Oversize: Standard. S. B. International supplies the most comprehensive model coverage in the industry. SBI supply valves for factory converted LPG/Propane engines, valves for the most popular...
      Engineered with love for enginesMade for quiet and well-coordinated work of your engine
      $5.87 - $11.33
    • (0 reviews)
      # 1039297297
      GMC G-Series 1981, Intake/Exhaust Push Rod by SBI®. Oversize: Standard. The S.B. International push rod specifications have been changed. Last listing required the use of "Graduated Checking Balls" when measuring drilled or cupped push...
      Engineered with love for enginesMade for quiet and well-coordinated work of your engine
      $1.96 - $2.08
    • (0 reviews)
      # 1039356421
      GMC G-Series 1981, Intake/Exhaust Rocker Arm Kit by SBI®. Engine builders in today's competitive market focus on Quality to gain the advantage over the competition. Engines are designed with closer tolerances, higher revving, and more...
      Engineered with love for enginesMade for quiet and well-coordinated work of your engine
      $4.23 - $6.81
    • (0 reviews)
      # 630103541
      GMC G-Series 1981, Piston Ring Set by DNJ Engine Components®. 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...
      Designed to replace your malfunctioning partsHelps get your vehicle back to its original performance
      $22.60 - $37.69
    • (0 reviews)
      # 140078460
      GMC G-Series 1981, Piston Ring Set by Mahle®. 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...
      Designed to unlock more performance out of your vehicleDeliver a reasonable balance of strength and durability
      $4.32 - $62.56
    • (0 reviews)
      # 630107800
      GMC G-Series 1981, Cast 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...
      Direct replacementManufactured to strict engineering quality standards
      $11.70 - $27.20
    • (0 reviews)
      # 630088547
      GMC G-Series 1981, Piston Ring Set 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...
      Direct replacementManufactured to strict engineering quality standards
      $7.17 - $69.94
    • (0 reviews)
      # 1000792436
      GMC G-Series 5.7L 1981, Piston with 4 Valve Reliefs 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...
      Direct replacementManufactured to strict engineering quality standards
      $12.11 - $87.95




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    1981 GMC G-Series Models
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