1981 GMC K3500 Fluids and Chemicals

Essential 1981 GMC K3500 Fluids and Chemicals

Yukon Gear – Friction Modifier / Posi Additive (Part No.15018)

Friction Modifier / Posi Additive

from

$17.99
Help keep positraction chatter down with posi additive from Yukon Gear & Axle.

Product Features:
  • positraction additive
  • For use in any clutch-style limited slip
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Valvoline – High Mileage with MaxLife Technology Synthetic Blend 5W-30 Motor Oil: Maximize Engine Life, 1 Quart (Part No.VV1556/VV155)

High Mileage with MaxLife Technology Synthetic Blend 5W-30 Motor Oil: Maximize Engine Life, 1 Quart

from

$9.99
75,000 miles is more than a mile marker. It’s a signal that your engine is ready for greater protection. That’s when you need Valvoline High Mileage with MaxLife Technology Motor Oil. Its exclusive formula is proven to maximize engine life in cars, trucks, and SUVs with over 75,000 miles. Our mixture is specially developed with a unique combination of synthetic and premium conventional oils to protect your high-mileage motor against wear, friction, heat, and deposits – the four major causes of engine breakdown and expensive repairs. Anti-wear additives defend critical engine components, advanced friction-fighting agents reduce heat and abrasion, added detergents clean the inside of your engine, and premium seal conditioners handle aging seals to prevent leaks. It fights sludge, corrosion and rust that can rob your engine of horsepower, fuel efficiency and longevity. From extreme temperatures and cold starts to stop-and-go traffic and frequent short trips, viscosity modifiers make sure the oil flows more easily, coats more completely, and resists thermal breakdown under even the most intense driving conditions. Its unique mixture curbs contaminants to keep high-mileage engines from burning and consuming oil that can foul spark plugs, creating higher emissions and causing your motor to run roughly.

Product Features:
  • MAXLIFE TECHNOLOGY PREVENTS engine breakdown with 40% better wear protection than the industry standard
  • REFRESH AGING SEALS AND PREVENT LEAKS with seal conditioners
  • REDUCE SLUDGE, DEPOSITS, CORROSION, AND RUST with added detergents – keep motors clean inside
  • ENHANCED FRICTION PERFORMANCE HELPS MAXIMIZE POWER with advanced friction-fighting agents
  • MEETS OR EXCEEDS ALL REQUIREMENTS of ILSAC GF-6A, API SP, API SN with SN PLUS, API SN
  • MaxLife Technology: Valvoline High Mileage with MaxLife Technology is specially formulated to maximize engine life in vehicles with over 75,000 miles, providing superior protection against wear, friction, heat, and deposits.
  • Synthetic Blend Composition: This motor oil features a unique combination of synthetic and premium conventional oils, ensuring optimal performance and protection for high-mileage engines.
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Valvoline – Full Synthetic High Mileage with MaxLife Technology 10W-30 Engine Oil: Maximizes Engine Life, 1 Quart (Part No.VV180)

Full Synthetic High Mileage with MaxLife Technology 10W-30 Engine Oil: Maximizes Engine Life, 1 Quart

from

$11.99
Upgrading your motor oil to Valvoline Full Synthetic High Mileage with MaxLife Technology can help you increase the longevity of your car, truck or SUV with over 75,000 miles. It’s proven to protect your high-mileage motor against wear, friction, heat, and deposits – the leading causes of engine breakdown and expensive repairs. Our exclusive formulation goes beyond industry standards to protect your engine. It’s fortified with enhanced wear additives and friction-fighting agents to safeguard critical engine components, extra detergents to clean inside your engine, and premium seal conditioners to restore aging seals and prevent leaks. Superior viscosity modifiers and high-quality base oils help it perform exceptionally in both high and low temperatures. Engineered with ingenuity, tested with tenacity, and proven with purpose, our formula was innovated in America with a century and a half of hands-on experience from the original motor oil brand.

Product Features:
  • Enhanced maxlife technology prevents engine breakdown in extreme conditions with 50% better wear protection than the industry standard
  • Treat and prevent leaks with premium seal conditioners to keep oil out of places it shouldn’t be
  • 25% extra defense against deposits, sludge, corrosion and rust via interior-cleansing detergents
  • Extreme temperature protection through our high-quality base oils and superior viscosity modifiers
  • Meets or exceeds all requirements of ilsac gf-6a, api sp, api sn with sn plus, api sn
  • Extends engine life: Valvoline Full Synthetic High Mileage with MaxLife Technology is designed to extend the life of higher mileage vehicles, providing superior protection against wear, friction, heat, and deposits – the leading causes of engine breakdown
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Pentosin – PENTOSIN ATF 44 5L (Part No.1058212)

PENTOSIN ATF 44 5L

from

$85.99
PENTOSIN ATF 44 5L

Powertrax – No-Slip Traction System (Part No.9204603500)

No-Slip Traction System

from

$565.99
For vehicles that are driven daily, the Powertrax No-Slip Traction System is the latest design in quiet traction-adding differential technology. It combines the automatic street-friendly smooth operation of a limited-slip differential with the traction performance of a locking differential. The Powertrax No-Slip locker easily installs in to your differential carrier using basic tools and without affecting your ring and pinion settings. Powertrax Grip-Lok, Lock-Right Lockers and No-Slip Traction Systems automatically provide 100% traction on-demand, under the toughest circumstances. The Powertrax Grip-Pro and Grip-LS performance limited slips offer smooth dependable torque transfer and traction for the best of both worlds!The Powertrax® Lock-Right Locker provides outstanding traction for off-road machines and race vehicles. Powertrax No-Slip Traction Systems deliver excellent performance to street-driven cars and trucks.
  • Powertrax® lockers range from the original, Lock-Right for serious straight-line performance, to the No-Slip traction system for street-able vehicles.
  • Powertrax® offers three levels of GRIP locking differentials, ranging from the clutch-type GRIP LS with a forged steel case, the gear-driven GRIP PRO and finally the GRIP LOK for extreme traction.
  • Powertrax® = Extreme Traction Systems!
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    Powertrax – No-Slip Traction System (Part No.9204443020)

    No-Slip Traction System

    from

    $553.99
    For vehicles that are driven daily, the Powertrax No-Slip Traction System is the latest design in quiet traction-adding differential technology. It combines the automatic street-friendly smooth operation of a limited-slip differential with the traction performance of a locking differential. The Powertrax No-Slip locker easily installs in to your differential carrier using basic tools and without affecting your ring and pinion settings. Powertrax Grip-Lok, Lock-Right Lockers and No-Slip Traction Systems automatically provide 100% traction on-demand, under the toughest circumstances. The Powertrax Grip-Pro and Grip-LS performance limited slips offer smooth dependable torque transfer and traction for the best of both worlds!The Powertrax® Lock-Right Locker provides outstanding traction for off-road machines and race vehicles. Powertrax No-Slip Traction Systems deliver excellent performance to street-driven cars and trucks.
  • Powertrax® lockers range from the original, Lock-Right for serious straight-line performance, to the No-Slip traction system for street-able vehicles.
  • Powertrax® offers three levels of GRIP locking differentials, ranging from the clutch-type GRIP LS with a forged steel case, the gear-driven GRIP PRO and finally the GRIP LOK for extreme traction.
  • Powertrax® = Extreme Traction Systems!
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    Powertrax – Grip LOK Traction System (Part No.LK436035)

    Grip LOK Traction System

    from

    $684.99
    For vehicles that are driven daily, the Powertrax No-Slip Traction System is the latest design in quiet traction-adding differential technology. It combines the automatic street-friendly smooth operation of a limited-slip differential with the traction performance of a locking differential. The Powertrax No-Slip locker easily installs in to your differential carrier using basic tools and without affecting your ring and pinion settings. Powertrax Grip-Lok, Lock-Right Lockers and No-Slip Traction Systems automatically provide 100% traction on-demand, under the toughest circumstances. The Powertrax Grip-Pro and Grip-LS performance limited slips offer smooth dependable torque transfer and traction for the best of both worlds!
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    Valvoline – DEXRON®-VI ATF Full Synthetic Automatic Transmission Fluid, 1 Gallon (Part No.883572)

    DEXRON®-VI ATF Full Synthetic Automatic Transmission Fluid, 1 Gallon

    from

    $38.49
    Valvoline DEXRON-VI/MERCON LV ATF is a full-synthetic transmission fluid formulated with advanced additive technology to meet and exceed the requirements of the General Motors DEXRON-VI specification. It is officially licensed and approved by GM and is fully back-serviceable and can be used wherever DEXRON-II and/or DEXRON-III are recommended. Recommended for use in the following applications: DEXRON-VI, DEXRON-III, DEXRON-II, MERCON LV and Allison C-4.

    Product Features:
    • Formulated with full-synthetic base stocks and advanced additive technology to meet the challenging demands of automatic transmissions
    • Enhanced anti-shudder protection for smooth shifting and maximum power transfer
    • Developed with anti-wear technology to help improve transmission durability
    • Engineered with a proprietary blend of base oils and advanced additives to provide better oil flow at low temperatures and greater film protection at higher temperatures
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    Mobil 1 – Full Synthetic Automatic Transmission Fluid, 1 Quart (Part No.25201)

    Full Synthetic Automatic Transmission Fluid, 1 Quart

    from

    $14.29
    Mobil 1 Synthetic ATF is a multi-vehicle, fully synthetic automatic transmission fluid that helps to improve overall transmission durability and cleanliness. Has exceptional thermal and oxidation stability and long-term frictional properties that help to improve and extend transmission efficiency, smooth shifting performance, and fuel economy. Mobil 1 ATF provides excellent low-temperature fluidity to promote reliable lubrication at temperatures down to -51C, and exceptional shear stability to help supports viscosity retention under the most severe heavy-duty, high-temperature operating conditions. Compatibile with mineral ATF fluids and all common seal materials to help provide excelent leakage control and reduce concern in top-off emergencies. Meets or exceeds the requirements of JASO 1-A and Ford MERCON V.

    Product Features:
    • Multi-vehicle, fully synthetic automatic transmission fluid that helps to improve overall transmission durability and cleanliness
    • Exceptional thermal and oxidation stability to improve and extend transmission efficiency, smooth shifting performance, and fuel economy
    • Excellent high and low-temperature fluidity to help support viscosity retention under extreme, heavy-duty operating conditions
    • Compatibile with mineral ATF fluids and all common seal materials to help provide excelent leakage control
    • Meets or exceeds the requirements of JASO 1-A and Ford MERCON V
    • Manufacturer Part Number: 112980
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    Prestone – Power Steering Fluid: All Vehicles, With Stop Leak, Restores & Conditions Seals, 50k miles, 12 oz (Part No.AS262)

    Power Steering Fluid: All Vehicles, With Stop Leak, Restores & Conditions Seals, 50k miles, 12 oz

    from

    $6.99
    Prestone® Power Steering Fluid + Stop Leak (PSF+SL) delivers increased system life and prevents & stops system leaks. Stop Leak additives renew, restore and condition seals in the power steering system. These seals harden and shrink over time which are the likely cause of leaks. The stop leak additives also prevent leaks by rejuvenating seals before they leak. Also designed with Anti-wear System Protection, Prestone PSF+SL protects against pump failure, squeals and clogs. This 50,000 mile fluid life is formulated for use in all manufacturers; cars, SUVs, crossovers, and light and medium duty trucks. This a conventional fluid. Many cars 2006 and newer use synthetic based fluids for longer life and better protection. Conventional and synthetic fluids can be mixed but performance and replacement intervals are reduced by the conventional fluid.

    Product Features:
    • 50,000 Mile Fluid Life
    • Includes Stop Leak Additives to prevent and stop power steering system leaks.
    • Anti-Wear Protection = Increased System Life. Protects against pump failure, squeals and clogs. Corrosion protection for metals, rubber & gasket components.
    • Conventional Formula – For use in all manufacturers
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    Prestone – Power Steering Fluid: All Vehicles, Anti-Wear Protection, 50k miles, 32 oz. (Part No.AS261Y/1)

    Power Steering Fluid: All Vehicles, Anti-Wear Protection, 50k miles, 32 oz.

    from

    $9.99
    Prestone® Power Steering Fluid (PSF) delivers increased system life. Designed with Anti-wear System Protection, Prestone PSF protects against pump failure, squeals and clogs. This 50,000 mile fluid life is formulated for use in all manufacturers; cars, SUVs, crossovers, and light and medium duty trucks. This a conventional fluid. Many cars 2006 and newer use synthetic based fluids for longer life and better protection. Conventional and synthetic fluids can be mixed but performance and replacement intervals are reduced by the conventional fluid.

    Product Features:
    • 50,000 Mile Fluid Life
    • Anti-Wear Protection = Increased System Life. Protects against pump failure, squeals and clogs. Corrosion protection for metals, rubber & gasket components.
    • For use in all manufacturers
    • Conventional Formula – For use in all manufacturers
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    Prestone – MAX Power Steering Fluid: American Vehicles, With Stop Leak, Enhances System Life, 100k miles, 12 oz (Part No.AS277)

    MAX Power Steering Fluid: American Vehicles, With Stop Leak, Enhances System Life, 100k miles, 12 oz

    from

    $14.99
    Prestone® MAX American Vehicles Power Steering Fluid (PSF) + Stop Leak maximizes and increases system life + the power to stop leaks. Stop Leak additives renew, restore and condition seals in the power steering system. These seals harden and shrink over time which are the likely cause of leaks. This formula is also great at preventing leaks by rejuvenating seals before they leak. This synthetic fluid is designed with 2X Anti-wear System Protection, which means more protection against pump failure, squeals and clogs. 100,000 mile fluid life, 2X more than conventional fluid, extends the time between replacement. This fluid is formulated for American vehicle manufacturers: Ford, Lincoln, Mercury, Dodge, Ram, Jeep, Chrysler, GMC, Chevrolet, Buick, Cadillac, Pontiac, Oldsmobile and others. Many cars 2006 and newer use synthetic based fluids for longer life and better protection. Conventional and synthetic fluids can be mixed but performance and replacement intervals are reduced by the conventional fluid.

    Product Features:
    • 100,000 Mile Fluid Life. Synthetic Formula for longer life and more protection
    • MAX + Stop Leak. Stop Leak Additives to prevent and stop power steering system leaks.
    • For use in American vehicle manufacturers: Ford, Lincoln, Mercury, Dodge, Ram, Jeep, Chrysler, GMC, Chevrolet, Buick, Cadillac, Pontiac, Oldsmobile and other
    • 2X Anti-Wear Protection for enhanced System Life vs. conventional fluid. More protection against pump failure, squeals and clogs
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    Valvoline – Full Synthetic High Mileage with MaxLife Technology 5W-30 Engine Oil: Maximizes Engine Life, 5 Quart (Part No.881169)

    Full Synthetic High Mileage with MaxLife Technology 5W-30 Engine Oil: Maximizes Engine Life, 5 Quart

    from

    $37.99
    Upgrading your motor oil to Valvoline Full Synthetic High Mileage with MaxLife Technology can help you increase the longevity of your car, truck or SUV with over 75,000 miles. It’s proven to protect your high-mileage motor against wear, friction, heat, and deposits – the leading causes of engine breakdown and expensive repairs. Our exclusive formulation goes beyond industry standards to protect your engine. It’s fortified with enhanced wear additives and friction-fighting agents to safeguard critical engine components, extra detergents to clean inside your engine, and premium seal conditioners to restore aging seals and prevent leaks. Superior viscosity modifiers and high-quality base oils help it perform exceptionally in both high and low temperatures. Engineered with ingenuity, tested with tenacity, and proven with purpose, our formula was innovated in America with a century and a half of hands-on experience from the original motor oil brand.

    Product Features:
    • Enhanced maxlife technology prevents engine breakdown in extreme conditions with 50% better wear protection than the industry standard
    • Treat and prevent leaks with premium seal conditioners to keep oil out of places it shouldn’t be
    • 25% extra defense against deposits, sludge, corrosion and rust via interior-cleansing detergents
    • Extreme temperature protection through our high-quality base oils and superior viscosity modifiers
    • Meets or exceeds all requirements of ilsac gf-6a, api sp, api sn with sn plus, api sn
    • High Mileage Protection: Valvoline Full Synthetic High Mileage Engine Oil is specially designed to protect engines with over 75,000 miles against wear, friction, heat, and deposits, ensuring a longer lifespan for your vehicle.
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    Pentosin – Automatic Transmission Fluid – 5 Liter Bottle (Part No.1058207)

    Automatic Transmission Fluid - 5 Liter Bottle

    from

    $131.99
    Automatic Transmission Fluid – 5 Liter Bottle

    Mobil 1 – Advanced 5W-30 Full Synthetic Motor Oil, 1 Quart (Part No.24812)

    Advanced 5W-30 Full Synthetic Motor Oil, 1 Quart

    from

    $11.99
    Mobil 1 advanced full synthetic motor oil 5W-30 helps to extend engine life for vehicles of all ages. Mobil 1 advanced synthetic motor oil is designed to deliver outstanding engine protection from the five factors that can damage engines over time and protect critical engine parts for up to 10,000 miles between oil changes (1) . Its uniform synthetic oil molecules reduce friction, helping to prevent deposits and sludge buildup. Mobil 1 helps to keep your engine running at lower temperatures. (2) This technologically advanced motor oil is proven to cool engine temperatures by over 10%. (3) Its formulation provides excellent internal engine heat protection (up to 500 degrees Fahrenheit), and low-temperature protection (to -30 degrees Fahrenheit), supporting quick cold-weather starting and ultra-fast protection. Mobil 1 advanced full synthetic motor oil meets ILSAC GF-6 standards to help provide low-speed pre-ignition (LSPI) and timing chain wear protection while keeping your engine clean and helping to improve your fuel economy. Mobil 1 advanced full synthetic motor oil 5W-30 also helps control oxidation to prevent oil breakdown and is recommended by ExxonMobil for all types of modern vehicles, including high-performance turbo-charged, and supercharged gasoline and diesel multi-valve fuel-injected engines found in passenger cars, SUVs, light vans, and light trucks. Mobil 1 is America’s leading synthetic motor oil brand at retail¿, recommended by car builders and experienced mechanics, and is the Official Motor Oil of NASCAR®. ( (1) Protects for up to 10,000 miles or 1 year, whichever comes first. To learn more about the Mobil 1 Limited Warranty, visit Mobil.US. (2) Compared to conventional oil. (3) Based on proprietary engine testing¿results may vary. (4) Source: The NPD Group/Retail Tracking Service/Dollar Sales/PCMO Full Synthetic/52 weeks ending February 25, 2023.)

    Product Features:
    • Mobil 1 advanced full synthetic motor oil 5W-30 helps to protect your engine from the five factors that can damage engines over time
    • Helps protect critical engine parts for up to 10,000 miles between oil changes,(1) controlling oxidation to prevent oil breakdown and maintaining excellent viscosity
    • Meets ILSAC GF-6 standards to help provide low-speed pre-ignition (LSPI) and timing chain wear protection while keeping your engine clean and helping to improve your fuel economy
    • Mobil 1 is specially formulated to help remove sludge and lower engine temperatures
    • Provides excellent internal engine heat protection (up to 500 degrees F) and low temperature protection (to -30 degrees F)
    • Manufacturer Part Number: 124315
    • Versatile Application: Recommended by ExxonMobil for all types of modern vehicles, including high-performance turbo-charged and supercharged gasoline and diesel multi-valve fuel-injected engines found in passenger cars, SUVs, light vans, and light trucks.
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    Valvoline – DEX/MERC Automatic Transmission Fluid, 1 Gallon (Part No.773636)

    DEX/MERC Automatic Transmission Fluid, 1 Gallon

    from

    $35.99
    Valvoline DEX/MERC ATF is a high-quality transmission fluid formulated to meet the challenging demands many automatic transmissions. Its responsive low-temperature fluidity is beneficial in both electronic and hydraulic controlled transmissions and transaxles. Recommended for use in the following applications: MERCON®, DEXRON®-III, Ford M2C138-CJ and M2C166-H, Allison C-4 and TES-389, and Caterpillar TO-2.

    Product Features:
    • Formulated with premium base stocks and advanced additive technology to meet the challenging demands of automatic transmissions.
    • Enhanced anti-shudder protection for smooth shifting and maximum power transfer
    • Developed with anti-wear technology to help improve transmission durability
    • Engineered with a proprietary blend of base oils and advanced additives to provide better oil flow at low temperatures and greater film protection at higher temperatures
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    FRAM – Full Synthetic Dexron VI Automatic Transmission Fluid: 1 Gallon (Part No.F426-1G)

    Full Synthetic Dexron VI Automatic Transmission Fluid: 1 Gallon

    from

    $33.99
    FRAM DEXRON®-VI FULL SYNTHETIC ATF represents the latest technology in full  synthetic automatic transmission fluids. This product is designed for the newest  generation of highly efficient transmissions now being installed in most vehicles, and is  DEXRON®-VI licensed by GM and meets JASO 1A performance requirements. It is a fuel  efficient choice for older models as well, such as those currently using DEXRON®-III. FRAM DEXRON®-VI FULL SYNTHETIC ATF is recommended for use in all GM  DEXRON® applications and in transmissions applications calling for Toyota WS, Nissan  Matic J and Matic S, Ford part numbers XT-10-QLV and XT-6-QSP, Honda Z-1 and DW 1, and Hyundai SP-VI. Check owner’s manual for specific recommendations.

    Product Features:
    • Outstanding resistance to oxidative and thermal breakdown.
    • Exceptional low temperature fluidity.
    • Excellent anti-wear properties.
    • Excellent gear shift quality throughout service life.
    • ALWAYS REFER TO YOUR VEHICLES OPERATING MANUAL TO SELECT THE CORRECT GRADE FLUID FOR YOUR TRANSMISSION
    • TRANSMISSION FLUIDS ALSO APPLICABLE IN POWER STEERING UNITS; CHECK OWNERS’ MANUAL
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    Idemitsu – Type TLS Automatic Transmission Fluid, 1 qt (Part No.30040093-75000C)

    Type TLS Automatic Transmission Fluid, 1 qt

    from

    $14.49
    Formulated to meet the specific requirements of Toyota, Lexus, and Scion vehicles equipped with conventional (non-CVT) transmissions that require the use of ATF T-IV. Recommended for service-fill in all Toyota, Lexus, and Scion automatic transmissions whe

    Product Features:
    • Excellent resistance to oxidation and thermal breakdown provide long fluid life and extended protection
    • Precisely engineered frictional characteristics guarantee smooth shifting and outstanding anti-shudder performance
    • Provides superior cleanliness, maintaining the transmission free of sludge and varnish deposits
    • Excellent seal compatibility and conditioning reduces risk of fluid leaks due to seal shrinkage, hardening and cracking
    • Advanced anti-wear technology provides maximum protection to gears and bearings
    • Excellent seal compatibility and conditioning reduces risk of fluid leaks due to seal shrinkage, hardening and cracking
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    Castrol – Domestic Multi-vehicle (ATF) Automatic Transmission Fluid (1 Quart) (Part No.15ADFA)

    Domestic Multi-vehicle (ATF) Automatic Transmission Fluid (1 Quart)

    from

    $7.99
    Castrol® Transmax DEX/MERC includes enhanced friction durability for smooth transmission performance. Designed for use in older Ford and GM vehicles.

    Product Features:
    • Enhanced friction durability for smooth transmission performance
    • Meets DEXRON®-III H requirements; also satisfies requirements of DEXRON®, DEXRON®-III, IIE, and II; do not use this ATF in applications calling for DEXRON®-VI
    • Meets MERCON® requirements; may also be used in power steering applications where MERCON® is required; use Castrol Type F ATF in applications calling for Type F
    • Do not use this ATF in applications calling for MERCON® V or MERCON® SP
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    FRAM – Full Synthetic Dexron VI Automatic Transmission Fluid: 1 Quart (Part No.F426)

    Full Synthetic Dexron VI Automatic Transmission Fluid: 1 Quart

    from

    $11.79
    FRAM DEXRON®-VI FULL SYNTHETIC ATF represents the latest technology in full  synthetic automatic transmission fluids. This product is designed for the newest  generation of highly efficient transmissions now being installed in most vehicles, and is  DEXRON®-VI licensed by GM and meets JASO 1A performance requirements. It is a fuel  efficient choice for older models as well, such as those currently using DEXRON®-III. FRAM DEXRON®-VI FULL SYNTHETIC ATF is recommended for use in all GM  DEXRON® applications and in transmissions applications calling for Toyota WS, Nissan  Matic J and Matic S, Ford part numbers XT-10-QLV and XT-6-QSP, Honda Z-1 and DW 1, and Hyundai SP-VI. Check owner’s manual for specific recommendations.

    Product Features:
    • Outstanding resistance to oxidative and thermal breakdown.
    • Exceptional low temperature fluidity.
    • Excellent anti-wear properties.
    • Excellent gear shift quality throughout service life.
    • ALWAYS REFER TO YOUR VEHICLES OPERATING MANUAL TO SELECT THE CORRECT GRADE FLUID FOR YOUR TRANSMISSION
    • TRANSMISSION FLUIDS ALSO APPLICABLE IN POWER STEERING UNITS; CHECK OWNERS’ MANUAL
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    Prestone – Antifreeze and Coolant: Concentrate, Universal, Protects Against Buildup And Rust, 1 Gallon (Part No.AF2000)

    Antifreeze and Coolant: Concentrate, Universal, Protects Against Buildup And Rust, 1 Gallon

    from

    $17.99
    Prestone All Vehicles antifreeze+coolant (concentrate) is truly designed to work with all vehicles; all makes, models, years & fluid colors. It is designed to work with all new engines, while also being backwards compatible improving protection in all old

    Product Features:
    • Formulated to work with All Vehicles. Works with all fluid colors; All OAT, POAT, HOAT & IAT.
    • Longer Engine Life Guarantee – 10 Yr., 300,000 mile Extended life formula.
    • Includes patented Prestone CorGuard technology, the best advancement in cooling system parts protection that protects against rust and corrosion of all cooling system metals, including aluminum. Protection for 300,000 miles.
    • Concentrate formula. Must mix with distilled to the desired mix ratio of EG & water. Can be used for top-off, complete drain and refill or flush and refill of the cooling system.
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    Prestone – Antifreeze and Coolant: 50/50 Ready To Use, Original Equipment North American Orange, 1 Gallon (Part No.AF6700)

    Antifreeze and Coolant: 50/50 Ready To Use, Original Equipment North American Orange, 1 Gallon

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    $22.99
    Prestone American Vehicles (Orange) antifreeze+coolant is specially designed to work with these specific vehicles: Ford 2002 and newer; Chrysler 2000 and newer; GM 1995 and newer. Prestone’s Antifreeze+Coolants are designed to the highest standards using state of the art technology. These fluids are designed to not only manage the engine temp and protect from freezing up, but they also protect the engine from rust, corrosion, buildup, pitting and engine damage. All of those can cause engine part failure and expensive repairs. Avoid costly repairs and vehicles in the shop with Prestone Asian vehicles antifreeze+coolant. This fluid is designed to last 10yrs / 300,000 miles and also to protect the internal parts of the engine for 10yrs / 300,000, offically patented by Prestone.

    Product Features:
    • Specially formulated to work with vehicles using multiple colors of fluid; OAT, HOAT, G05. Ford 2002 and newer; Chrysler 2000 and newer; GM (Chevrolet, Buick, GMC, Cadillac, Oldmobile, Pontiac, Saturn) 1995 and newer.
    • Superior protection guarantee – 10 Yr., 300,000 mile Extended life formula
    • Includes patented Prestone CorGuard technology, the best advancement in cooling system parts protection that protects against rust and corrosion of all cooling system metals, including aluminum. Protection for 300,000 miles.
    • Ready to Use formula. Perfect for small volume top-off or complete drain and refill of the cooling system.
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    Peak – Original Equipment North American Orange Antifreeze and Coolant: 50/50 Ready To Use, 1 Gallon (Part No.NAOB53)

    Original Equipment North American Orange Antifreeze and Coolant: 50/50 Ready To Use, 1 Gallon

    from

    $19.99
    PEAK ORIGINAL EQUIPMENT TECHNOLOGY ANTIFREEZE + COOLANT for NORTH AMERICAN VEHICLES is a line of premium coolants specifically designed to match the technology and color requirements of North American vehicles. Each coolant is formulated with the same corrosion inhibitor technology that protected your vehicle straight from the factory. Color cues on the packaging and a list of covered vehicles on the front label make it easy to identify the right match for your specific vehicle. PEAK ORIGINAL EQUIPMENT TECHNOLOGY ANTIFREEZE + COOLANT for NORTH AMERICAN VEHICLES – ORANGE is an extended life antifreeze/coolant based on proprietary state-of-the-art organic acid technology (OAT). The ethylene glycol-based formula represents a carefully balanced mixture of organic acid corrosion inhibitors for complete protection of modern high-performance North American vehicle engines. It can be mixed with any DEX-COOL approved formulations in newer GM, Opel, Daewoo and Saab vehicles, as well as with antifreeze/coolant in Ford and Chrysler vehicles requiring an orange type product. This product’s orange color distinguishes its unique chemistry and ensures easy selection for North American vehicles requiring this type and color of coolant. PEAK ORIGINAL EQUIPMENT TECHNOLOGY ANTIFREEZE + COOLANT for NORTH AMERICAN VEHICLES – ORANGE is free of silicate, borate, phosphate, nitrite, and amines, and is fully compatible with other extended life coolants. It meets the performance requirements of ASTM D3306 and D4985. When installed as part of a complete flush and coolant fill, PEAK guarantees this coolant will provide service life protection of up to 150,000 miles or 5 years.

    Product Features:
    • Matches technology and color requirements of North American OEMs specifying a Green Conventional coolant
    • Protects all cooling system metals, including aluminum, against damaging rust and corrosion
    • Compatible with other conventional green antifreeze + coolant formulations
    • Easy-to-pour bottle with color-coding and vehicle applications listed on the front to simplify selecting the right antifreeze + coolant
    • Available as both concentrate and 50/50 prediluted products to do the job right
    • Testing Requirements: For proper freeze and boil over protection, use a traditional refractometer or hydrometer to measure the percentage of ethylene glycol by volume.
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    Prestone – Low Tox Antifreeze, 1 Galon (Part No.AF555)

    Low Tox Antifreeze, 1 Galon

    from

    $18.99
    Prestone® LowTox® Antifreeze/Coolant provides performance, durability, and protection against corrosion of ALL cooling system metals. The propylene glycol formula provides an added margin of safety for pets and wildlife. When used as directed, LoxTox is a propylene glycol low silicate formula, which provides full protection for a minimum of one year; can be used to top-off cooling systems in vehicles using conventional antifreeze/coolant; will not harm rubber parts; and meets ASTM D3306 and D4985 standards.

    Product Features:
    • Defeat engine failure while keeping your pets’ safety in mind
    • Resists rust and corrosion on all cooling system metals
    • Propylene glycol provides an added margin of safety for pets and wildlife in the event of accidental ingestion
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    Prestone – DOT 3 Brake Fluid: Synthetic, Prevents Corrosion, Safe For ABS, Disc, Drum Brakes, 50k miles, 12 oz (Part No.AS400)

    DOT 3 Brake Fluid: Synthetic, Prevents Corrosion, Safe For ABS, Disc, Drum Brakes, 50k miles, 12 oz

    from

    $5.99
    Prestone® DOT 3 Motor Vehicle Brake Fluid delivers enhanced performance vs. DOT standards, benefitting all vehicles calling for DOT 3. This synthetic fluid starts with a higher dry boiling point than the DOT minimum standard to protect against overheating, brake fade and performance decline due to water absorption. This extended life (50,000 mile) fluid is also formulated to prevent corrosion of all metals within the braking system.  This formula is safe to use in all DOT 3 braking systems (ABS, disc or drum) and can mix with any DOT 3 fluid.  It is recommended to only use the DOT fluid specified for your car, as using a different DOT product can affect the boiling point or replacement interval if the wrong fluid is used.

    Product Features:
    • 50,000 Mile Fluid Life
    • Prevent Overheating & Brake Fade with High Grade Formula*
    • Protects against performance decline due to water absorption. Prevents corrosion of all metals within the braking system.
    • Synthetic, Extended Fluid Life Formula
    See More

    Prestone – DOT 3 Brake Fluid: MAX Synthetic, Highest Grade, Superior Protection, 100k miles, 32 oz (Part No.AS410)

    DOT 3 Brake Fluid: MAX Synthetic, Highest Grade, Superior Protection, 100k miles, 32 oz

    from

    $12.49
    Prestone® MAX DOT 3 Motor Vehicle Brake Fluid is our highest grade formula, maximizing performance vs. DOT standard. Prestone MAX is our best brake fluid at protecting against overheating and brake fade. With 100,000 mile fluid life, our longest life fluid has 2X more miles between replacement than regular Prestone DOT 3. Prestone MAX has superior performance in severe braking conditions when compared to regular Prestone DOT 3, which means even more piece of mind about the braking system. This synthetic fluid starts with our highest dry boiling point giving our best protection against performance decline due to water absorption. Prestone MAX DOT 3 is safe to use in all DOT 3 braking systems, ABS, disc or drum, and can mix with any DOT 3 fluid. Mixing Prestone MAX with other fluids will lower the performance rating for miles and boil points, for best results replace completely with Prestone MAX DOT 3. It is recommended to only use the DOT fluid specified for your car. Using a different DOT product can affect the boiling point or replacement interval if the wrong fluid is used.

    Product Features:
    • 100,000 Mile Fluid Life
    • Prevent Overheating & Brake Fade with Our Highest Grade Formula. Prevents corrosion of all metals within the braking system.
    • Superior Protection in Extreme Braking Conditions
    • Synthetic, Long Life Formula – 2X Longer than regular Prestone DOT 3
    See More

    1981 GMC K3500 Fluids and Chemicals

    You count on your 1981 GMC K3500 to run right. That means taking care of it with regular maintenance, necessary repairs, and the right parts. Advance Auto Parts can help with all of that thanks to our extensive inventory of trusted Fluids and Chemicals. With 35 Fluids and Chemicals ranging in price from $5.99 to $684.99, you’re sure to find everything you need for your 1981 GMC K3500.

    Brands matter. If you want to shop a specific Fluids and Chemicals brand, we stock 7 different brands like Prestone, Valvoline, and Fram. 1981 GMC K3500 Fluids and Chemicals start as low as $5.99!

    One of the best ways to find top quality OEM or aftermarket Fluids and Chemicals is by asking professionals. Short of that, you can shop with confidence thanks to our 6,006 extensive product reviews on 1981 GMC K3500 Fluids and Chemicals. Some of the top-rated Fluids and Chemicals products we carry are Full Synthetic High Mileage with MaxLife Technology 10W-30 Engine Oil: Maximizes Engine Life, 1 Quart with 4.9 stars and Power Steering Fluid: All Vehicles, Anti-Wear Protection, 50k miles, 32 oz. with 4.8 stars.

    Did we mention you can order your Fluids and Chemicals from our online catalog and have them shipped right to your garage? Or, if you feel like seeing the parts first-hand, search for your nearest Advance Auto Parts location above and pick up in-store when you’re ready. Browse our full Fluids and Chemicals inventory for your 1981 GMC K3500 below to get started!

    Top-Rated Fluids and Chemicals Brands For Your 1981 GMC K3500

    Trusted Fluids and Chemicals OEM and aftermarket product brands are what Advance Auto Parts specializes in. The brands we work with are sure to keep that 1981 GMC K3500 running right for years to come. In our inventory you’ll find brands like Prestone, Valvoline, Fram, and even more.

    Popular Castrol Fluids and Chemicals

    You’ll find popular Castrol brand products across Transmission Fluids. All are waiting to get your 1981 GMC K3500 back on the road. Some of the top-rated Castrol products in these categories are:
    Transmax ATF DEXRON®-VI Automatic Transmission Fluid 1 Quart
    from $14.79
    (118)
    Transmax ATF DEXRON®-VI Automatic Transmission Fluid 1 Quart
    Automatic Transmission Fluids
    Domestic Multi-vehicle (ATF) Automatic Transmission Fluid (1 Quart)
    from $7.99
    (8)
    Domestic Multi-vehicle (ATF) Automatic Transmission Fluid (1 Quart)
    Automatic Transmission Fluids

    Top-Rated Valvoline Fluids and Chemicals


    If Valvoline are what you’re looking for, our inventory holds plenty. We stock Valvoline brand Fluids and Chemicals for your 1981 GMC K3500, and some of our most reviewed Valvoline parts include:

    FAQs for 1981 GMC K3500 Fluids and Chemicals

    What are the most purchased Fluids and Chemicals for the 1981 GMC K3500?

    Out of 35 Fluids and Chemicals for the 1981 GMC K3500, the most popular in our inventory are:
    Antifreeze and Coolant: 50/50 Ready To Use, Universal, Protects Against Corrosion, 1 Gallon
    from $14.99
    This product is not rated
    Antifreeze and Coolant: 50/50 Ready To Use, Universal, Protects Against Corrosion, 1 Gallon
    Engine Coolant and Antifreeze
    Antifreeze and Coolant: Concentrate, Universal, Protects Against Buildup And Rust, 1 Gallon
    from $17.99
    This product is not rated
    Antifreeze and Coolant: Concentrate, Universal, Protects Against Buildup And Rust, 1 Gallon
    Engine Coolant and Antifreeze

    What are the top-rated 1981 GMC K3500 Fluids and Chemicals?

    Top-rated Fluids and Chemicals for your 1981 GMC K3500 based on customer reviews/ratings are:
    Power Steering Fluid: All Vehicles, With Stop Leak, Restores & Conditions Seals, 50k miles, 32 oz
    from $10.49
    (77)
    Power Steering Fluid: All Vehicles, With Stop Leak, Restores & Conditions Seals, 50k miles, 32 oz
    “Just what I needed for the steering box”