1979 GMC C2500 Fluids and Chemicals

Essential 1979 GMC C2500 Fluids and Chemicals

Powertrax – Lock Right Locker (Part No.1950-LR)

Lock Right Locker

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$487.99
The Powertrax Lock-Right ultra-strength alloy locker’s straight-line performance is equal to a solid spool, but automatically unlocks in turns. Best suited for extreme off-road to severe on-road use, Powertrax Lock Right lockers replace the spider gears in your open differential carrier using basic tools and without affecting your ring and pinion settings. The whole job can be done in your driveway in a couple of hours, pin included! 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!

Product Features:
  • Powertrax® proves that you don’t have to choose between the superior traction of a locking differential and smooth handling and drivability of an open differential. Powertrax Lock-Right Lockers, No-Slip Traction Systems and GRIP limited slip differentials and lockers give you 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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Shell – Rotella® T4 Triple Protection® 15W-40 Conventional Heavy Duty Diesel Engine Oil, 55 Gallon (Part No.550045148)

Rotella® T4 Triple Protection® 15W-40 Conventional Heavy Duty Diesel Engine Oil, 55 Gallon

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$1219.89
Formerly known as Shell Rotella® T Triple Protection, Shell Rotella® T4 Triple Protection Heavy Duty Diesel Engine Oil is the most technically advanced Shell Rotella® formulation ever. This 15W-40 motor oil uses advanced additive technology to protect under the most severe engine conditions found in modern, low-emission engines and older hard-working diesel engines. It effectively sustains emissions control system durability where diesel particulate filters and after-treatment systems are used. Plus, it provides enhanced protection against viscosity loss due to shear and improved oil aeration compared to the previous formulation. Shell Rotella® Triple Protection Technology: Shell Rotella® T4 15W-40 heavy duty engine oil uses a proprietary formula exclusive to Shell. It is designed to provide protection in three critical areas: Acid control helps protect against corrosion from acids formed as fuel burns and the oil ages. Deposit control helps keep engines clean for optimum performance and long life. Wear control helps keep moving metal engine surfaces apart for a longer life. For Every Hardworking Need: With its wide range of specifications, and approvals from many of the world’s leading engine makers, Shell Rotella® T4 15W-40 heavy duty oil is an excellent choice for on-highway fleets, general haul, construction, agriculture, public-transport operators, diesel pickup trucks, including high-power vehicles where resistance to increased heat and stress is required. For technical questions, contact our Technical Help Desk at 1-(800) BEST-OIL or (800) 237-8645 Option 3, 1; or with complete Year/Make/Model information for a recommendation.

Product Features:
  • Triple Protection® from wear, deposits and oil breakdown, this conventional Diesel Engine Oil provides exceptional wear protection for heavy duty engines for longer life(1)
  • Formulated with advanced additive technology, which is engineered for superior engine cleanliness throughout the oil drain interval
  • Provides increased shear stability for better viscosity control and optimal engine oil pressure
  • Heightens emission control system durability and improves oil aeration
  • Provides enhanced protection against oil oxidation for more efficient operation
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Mobil 1 – 75W-90 Gear Lubricant LS: Synthetic, Corrosion Protection, Extends Gear Life, Multi-Purpose, 1 Quart (Part No.26101)

75W-90 Gear Lubricant LS: Synthetic, Corrosion Protection, Extends Gear Life, Multi-Purpose, 1 Quart

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$19.99
Mobil 1 Synthetic Gear Lubricant LS 75W-90 is a supreme, multi-purpose automotive gear lubricant that helps to provide exceptional thermal stability and resistance to high temperature oxidation, extending gear life due to minimal deposits. Helps to deliver outstanding protection against low speed/high torque wear with the capability to handle severe driving conditions while delivering smooth efficient performance. Mobil 1 Synthetic Gear Lubricant LS provides exceptional shear stability, corrosion protection, and enhanced frictional properties. Compared to conventional hypoid gear lubricants, Mobil 1 LS 75W-90 performs exceptionally over a wide range of temperatures to reduce wear at start up. Mobil 1 gear lube helps to minimize leakage and reduce contamination, while providing a good resistance to foaming to maintain film strength for reliable lubrication. Meets or exceeds the requirements of the following industry specifications: API GL-5.

Product Features:
  • Mobil 1 LS synthetic automotive gear lubricant exceeds the highest level of performance requirements of modern passenger vehicles
  • Helps to provide exceptional thermal stability and resistance to high temperature oxidation and extend gear life due to minimal deposits
  • Delivers outstanding protection against low speed/high torque wear, handling severe driving conditions with smooth, efficient performance
  • Compared to conventional hypoid gear lubricants, performs exceptionally over a wide range of temperatures to reduce wear at start up
  • Provides exceptional shear stability, corrosion protection, and enhanced frictional properties
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Valvoline – DEX/MERC Automatic Transmission Fluid, 1 Gallon (Part No.773636)

DEX/MERC Automatic Transmission Fluid, 1 Gallon

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$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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Mobil 1 – ESP 5W-30 Full Synthetic Motor Oil, Reduces Deposits, 1 Quart (Part No.47112)

ESP 5W-30 Full Synthetic Motor Oil, Reduces Deposits, 1 Quart

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$11.99
Mobil 1 ESP 5W-30 is an advanced full synthetic oil specially formulated for passenger car diesels that have the latest diesel particulate filters (DPFs) and gasoline catalytic converters (CATs). The proprietary full synthetic motor oil is designed to help deliver outstanding performance and protection in conjunction with potential fuel economy benefits. Mobil 1 ESP has active cleaning agents that help to reduce deposits and sludge buildup for a cleaner engine. Helps to reduce oil aging with outstanding oxidation stability for extended drain interval protection. Low ash, sulfur, and phosphorous content help to reduce particulate buildup in DPFs and reduce poisoning of CATs. Excellent low temperature capabilities for quick cold-weather starting and ultra-fast protection. Mobil 1 is America’s leading synthetic motor oil brand at retail(1), recommended by car builders and experienced mechanics, and is the Official Motor Oil of NASCAR. ((1)Source: The NPD Group/ Retail Tracking Service/ Dollar Sales/ PCMO Full Synthetic/ 52 weeks ending July 1, 2023)

Product Features:
  • Mobil 1 ESP 5W-30 full synthetic oil is formulated for passenger car diesels with diesel particulate filters (DPFs) and gasoline catalytic converters (CATs)
  • Low ash, sulfur, and phosphorous content help to reduce particulate build up in DPFs
  • Active cleaning agents that help to reduce deposits and sludge buildup for a cleaner engine
  • Helps to reduce oil aging with outstanding oxidation stability for extended drain interval protection
  • Excellent low temperature capabilities for quick cold-weather starting and ultra-fast protection
  • Manufacturer Part Number: 127568
  • Outstanding Performance and Protection: Designed to deliver exceptional performance and protection, with potential fuel economy benefits.
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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.

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$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

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$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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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

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$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, With Stop Leak, Restores & Conditions Seals, 50k miles, 32 oz (Part No.AS263Y)

Power Steering Fluid: All Vehicles, With Stop Leak, Restores & Conditions Seals, 50k miles, 32 oz

from

$10.49
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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Valvoline – DEXRON®-VI ATF Full Synthetic Automatic Transmission Fluid, 1 Gallon (Part No.883572)

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

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

Friction Modifier / Posi Additive

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$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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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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FRAM – Heavy Duty Antifreeze and Coolant: 50/50 Ready To Use, Universal , 1 Gallon (Part No.F201)

Heavy Duty Antifreeze and Coolant: 50/50 Ready To Use, Universal , 1 Gallon

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$15.99
Antifreeze Conventional Green 50/50 is an ethylene glycol-based product for use in car and light duty trucks that are already using a conventional coolant. The inhibitors prevent rust, corrosion, and provide freeze-up and boil-over protection. Prime Green 50/50 can be used to top-off cooling systems in vehicles using conventional AF/C, will not harm rubber parts, and meets ASTM D3306 and D4985 standards.

Product Features:
  • Low Silicate Formula.
  • When used as directed, will provide protection for a minimum of 1 year
  • Meets or exceeds ASTM requirements for cars, light duty trucks
  • Ready to Use formula (prediluted to a 50% Eg & 50% distilled water mix). Perfect for small volume top-off or complete drain and refill of the cooling system
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FRAM – Extended Life AMAM Antifreeze 50/50 Ready-to Use, 1 Gallon (Part No.F401)

Extended Life AMAM Antifreeze 50/50 Ready-to Use, 1 Gallon

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$10.99
FRAM Extended Life AMAM 50/50 is compatible with ANY antifreeze/coolant in ANY vehicle with aluminum or other cooling system metals. The formulas have a blend of long-lasting inhibitors to guard against temperature extremes and the effects of rust, corrosion, and premature water pump failure. Top-off your cooling system with FRAM Extended Life AMAM 50/50, which is a blend of 50% antifreeze and 50% demineralized water. FRAM 50/50 meets or exceeds ASTM D3306 and D4985 for corrosion protection for cars and light duty trucks, while providing reliable freeze-up & boil-over protection.

Product Features:
  • Formulated to work with All Vehicles. Universally works with all fluid colors; All OAT, POAT, HOAT & IAT.
  • 5 Yr., 150,000 mile Extended life formula.
  • Meets or exceeds ASTM D3306 & D4985 for corrosion protection.
  • Ready to Use formula (prediluted to a 50% Eg & 50% distilled water mix). Perfect for small volume top-off or complete drain and refill of the cooling system
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Prestone – Antifreeze and Coolant: Concentrate, Universal Platinum, Protects Against Corrosion, 1 Gallon (Part No.AF2500)

Antifreeze and Coolant: Concentrate, Universal Platinum, Protects Against Corrosion, 1 Gallon

from

$22.99
Prestone® Platinum antifreeze+coolant is Prestone’s best universal antifreeze & coolant product. GUARANTEED to work with all vehicles; all makes, models, years & fluid colors. 15+ years, 350,000 miles of protection; the fluid is guaranteed for the life of your vehicle. This advanced product delivers Extreme Protection against both freezing temperatures (-50 Deg. F) and overheating / boiling over of the engine (+268 Deg. F). Prestone Platinum utilizes industry leading protection from engine damaging rust, corrosion, buildup & scale. While ordinary antifreeze coolant only focuses on the basic corrosion coverage, Prestone Platinum goes farther, adding our most advanced cooling sytem protection, allowing the system to run optimally, like when it was new. Internal buildup & corrosion damage can cause engine part failure or clogging, leading to expensive repairs and inconveniences. Prestone Platinum helps you avoid costly repairs and vehicles in the shop. This extended life coolant is guaranteed to work with all new engines and engine technology, while also being backwards compatible, improving protection in all older engines. Prestone Platinum antifreeze+coolant – Year Round Protection.

Product Features:
  • Guaranteed to work with All Vehicles. Universally works with all fluid colors; All OAT, POAT, HOAT & IAT; G05®, G11®, G12®, G12++®, G13®, G30®, G40®, & GG40®. For all engines & engine sizes, new and older engines.
  • 15+ Yr., 350,000 mile Extended life formula. The fluid is guaranteed for the life of your vehicle
  • Includes our most advanced Prestone Cor-Guard® technology, unmatched cooling system parts protection that protects against engine damage; rust, corrosion, scale, build-up and clogging. Protection for 15+yrs / 350,000 miles.
  • Concentrated formula. Must mix with high quality water to the desired ratio. Can be used for top-off, complete drain and refill or flush and refill of the cooling system.
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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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FRAM – Antifreeze & Coolant: Concentrate, Dex-Cool Compatible, Protects Against Corrosion, 1 Gallon (Part No.F501)

Antifreeze & Coolant: Concentrate, Dex-Cool Compatible, Protects Against Corrosion, 1 Gallon

from

$16.99
FRAM Orange Concentrate is formulated for cars and light duty trucks that use Orange extended life coolant. FRAM Orange Concentrate meets or exceeds ASTM D3306 and D4985 standards for corrosion protection, while providing reliable freeze-up and boil-over protection.

Product Features:
  • Work with vehicles using orange colored fluid. 5 Yr., 150,000 mile Extended life formula.
  • All GM« vehicles 1995 & newer /GM approved (GMC, Chevrolet, Buick, Cadillac, Pontiac, Saturn, Oldsmobile, Hummer), most Ford« vehicles 2011- 2018 (Ford, Lincoln, Mercury) and most Chrysler« vehicles 2013 & newer (Ram, Dodge, Jeep, Chrysler)
  • All GM® vehicles 1995 & newer /GM approved (GMC, Chevrolet, Buick, Cadillac, Pontiac, Saturn, Oldsmobile, Hummer), most Ford® vehicles 2011- 2018 (Ford, Lincoln, Mercury) and most Chrysler® vehicles 2013 & newer (Ram, Dodge, Jeep, Chrysler)
  • Meets or exceeds ASTM D3306 & D4985 for corrosion protection.
  • Concentrated formula. Must mix with high quality (distilled/deionized) water to the desired ratio. 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, Universal, Protects Against Corrosion, 1 Gallon (Part No.AF2100)

Antifreeze and Coolant: 50/50 Ready To Use, Universal, Protects Against Corrosion, 1 Gallon

from

$14.99
Prestone All Vehicles antifreeze+coolant (ready to use) 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 older engines. The patented Cor-Guard technology (the best innovation in the category in decades) instantly protects parts from corrosion, buildup, pitting, scaling, rust and other damage. These fluids are specially designed to not only manage the engine temp and protect from freezing up (like competitors), but they also potect the engine from damage. Internal damage can cause engine part failure, leading to expensive repairs and serious inconveniences. Avoid costly repairs and vehicles in the shop with Prestone All 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:
  • 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.
  • Ready to Use formula (prediluted to a 50% Eg & 50% distilled water mix). Perfect for small volume top-off or complete drain and refill of the cooling system
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Prestone – Antifreeze and Coolant: Concentrate, Dex-Cool Compatible, Protects Against Corrosion, 1 Gallon (Part No.AF888)

Antifreeze and Coolant: Concentrate, Dex-Cool Compatible, Protects Against Corrosion, 1 Gallon

from

$21.49
Prestone DEX-COOL (concentrate) antifreeze+coolant is specially designed to work with these specific vehicles: All GM® vehicles 1995 & newer (GM approved), most Ford® vehicles 2011 – 2018 and most Chysler® vehicles 2013 & 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, they also protect the engine from rust & corrosion. This fluid is designed to last 5yrs / 150,000 miles.

Product Features:
  • Specially formulated to work with vehicles using orange colored fluid; HOAT. All GM 1995 & newer; Most Ford 2011-2018; Most Chrysler 2013 & newer
  • 5 Yr., 150,000 mile Extended life formula
  • Includes the Prestone protection package that protects against rust and corrosion of all cooling system metals, including aluminum.
  • 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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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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Valvoline – MaxLife Multi-Vehicle (ATF) Full Synthetic Automatic Transmission Fluid, 1 Gallon (Part No.773775)

MaxLife Multi-Vehicle (ATF) Full Synthetic Automatic Transmission Fluid, 1 Gallon

from

$36.49
Valvoline MaxLife Multi-Vehicle Automatic Transmission Fluid (ATF) is a full-synthetic formulation with advanced additives to prevent the major causes of transmission breakdown and help extend transmission life.  Developed to help prevent leaks, maximize transmission performance, reduce transmission wear, and maintain smooth shifting longer than conventional fluids. It is suitable for use in a broad range of ATF applications including most Ford, GM, Toyota, Honda, Nissan, Hyundai, BMW, Mercedes, Volvo, VW & Audi.

Product Features:
  • Formulated with full-synthetic base stocks and advanced additive technology to meet the challenging demands of automatic transmissions.
  • Long life friction modifiers help improve smooth shifting, eliminate slippage and shudder, prevent clutch wear and improve drivability longer than conventional fluids
  • High-performance seal conditioners maintain and preserve the elasticity of seals to help prevent leaks in high mileage transmissions
  • Developed with anti-wear technology to help improve transmission durability
  • Advanced additives to provide better oil flow at low temperatures and greater film protection at higher temperatures
  • Suitable for 95% of traditional ATFs including Dex/Merc, Mercon LV & Mercon V
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Castrol – Transmax ATF / CVT Universal Automatic Transmission Fluid, 1 Gallon (Part No.15E0C8)

Transmax ATF / CVT Universal Automatic Transmission Fluid, 1 Gallon

from

$25.99
Castrol Transmax ATF/CVT Universal is a technologically advanced full-synthetic formulation designed to deliver excellent performance in most of the traditional stepped automatic transmissions and Continuously Variable Transmissions currently in use. It is also suitable for use in hybrids.

Product Features:
  • Coverage of over 300 specs/95% of vehicles in operation
  • Broad scope of vehicle applications improves workshop efficiency and inventory management
  • Enhanced friction durability for smooth transmission performance
  • Superior high temperature protection to effectively resist oxidation
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Castrol – Transmax ATF DEXRON®-VI Automatic Transmission Fluid 1 Quart (Part No.15B1A0)

Transmax ATF DEXRON®-VI Automatic Transmission Fluid 1 Quart

from

$14.79
Automatic transmission fluid is certified for use in all General Motors Hydra-Matic® automatic transmissions.

Product Features:
  • Premium synthetic blend formula exceeds DEXRON®-III H requirements
  • Outstanding sludge resistance provides superior transmission life
  • Enhanced friction durability improves shifting performance
  • Certified and approved by General Motors for all cars and trucks that require DEXRON®-VI
  • Also recommended for use where DEXRON®, DEXRON®-III H, III, IIE and II are specified.
  • Industry Specifications and OEM approvals: Meets or Exceeds General Motors DEXRON®-VI Requirements; DEXRON®-VI Approved and Licensed by General Motors Corporation
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Castrol – BP Petroleum Autran Syn 295 Synthetic Automatic Transmission Fluid, 1 Gallon (Part No.709732)

BP Petroleum Autran Syn 295 Synthetic Automatic Transmission Fluid, 1 Gallon

from

$71.99
Full-Synthetic; Heavy Duty Automatic Transmission; BP Autran Syn-295 is a full-synthetic, heavy duty automatic transmission fluid approved for use under Allison TES-295. It is formulated to maintain its stability, even under the most severe operating conditions.

Product Features:
  • Formulated with high viscosity index 100% synthetic base fluids and specific additives in order to exceed Allison requirements and provide outstanding wear protection
  • Keeps transmissions cooler, offering excellent shear stability, low oxidation and high heat capacity
  • Provides superior high/low temperature performance due to high VI synthetic base fluids and has excellent corrosion and foaming resistance
  • BP Autran Syn-295 also has an Allison TES-468 approval for use in Allison Hybrid Electric Drive Transmissions
  • Other OEM approvals include Allison C-4, Voith and ZF transmissions
  • BP Autran Syn-295 is an ideal transmission fluid for light duty application vehicles, such as:
  • Inter/intra-city buses & school buses
  • Emergency vehicles
  • Delivery trucks & vans
  • Recreational vehicles & motor homes
  • Refuse vehicles
  • On/off-highway vehicles
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Castrol – Transmax ATF Full Synthetic Multi-Vehicle Automatic Transmission Fluid (1 Quart) (Part No.152A76)

Transmax ATF Full Synthetic Multi-Vehicle Automatic Transmission Fluid (1 Quart)

from

$12.29
Automatic transmission fluid is a technologically advanced, low viscosity formulation specially designed to deliver performance and maximum fuel efficiency for modern automatic transmissions.

Product Features:
  • Full Synthetic, low viscosity formulation
  • OEM approved and licensed by Ford (MERCON® LV) and GM (DEXRON® -VI)
  • Low viscosity formula for maximum fuel efficiency in modern automatic transmissions
  • Enhanced friction durability for smooth transmission performance
  • Superior high temperature protection to effectively resist oxidation
  • Unsurpassed protection against copper corrosion
  • Industry Specifications and OEM Approvals: JASO-1A
  • Licensed and approved for use in: All GM vehicles (DEXRON®-VI, All previous DEXRON®); All Ford vehicles which specify Mercon® LV
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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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Castrol – Transmax ATF High Mileage Automatic Transmission Fluid: 1 Gallon (Part No.1599F1)

Transmax ATF High Mileage Automatic Transmission Fluid: 1 Gallon

from

$49.99
Castrol Transmax High Mileage is specially formulated for transmissions with over 75,000 miles to deliver superior performance for maximum transmission life. It features additional seal conditioners to help stop leaks and cleaning agents to reduce varnish and deposit formation. It also protects against clutch wear and restores smooth shifting and can be used in a wide variety of specifications including DEXRON®-IIIH, MERCON® and JASO-1A.

Product Features:
  • Additional seal conditioners help stop leaks.
  • Extra cleaning agents reduce varnish and sludge formation.
  • Protects against clutch wear and restores smooth shifting.
  • Recommended for use in new & older vehicles that require:
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1979 GMC C2500 Fluids and Chemicals

You count on your 1979 GMC C2500 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 20 Fluids and Chemicals ranging in price from $6.99 to $487.99, you’re sure to find everything you need for your 1979 GMC C2500.

Brands matter. If you want to shop a specific Fluids and Chemicals brand, we stock 6 different brands like Prestone, Valvoline, and Fram. 1979 GMC C2500 Fluids and Chemicals start as low as $6.99!

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 2,612 extensive product reviews on 1979 GMC C2500 Fluids and Chemicals. Some of the top-rated Fluids and Chemicals products we carry are 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 1979 GMC C2500 below to get started!

Top-Rated Fluids and Chemicals Brands For Your 1979 GMC C2500

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 1979 GMC C2500 running right for years to come. In our inventory you’ll find brands like Prestone, Valvoline, Fram, and even more.

Popular Valvoline Fluids and Chemicals

You’ll find popular Valvoline brand products across Fluids and Transmission Additives. All are waiting to get your 1979 GMC C2500 back on the road. Some of the top-rated Valvoline products in these categories are:
DEX/MERC Automatic Transmission Fluid, 1 Gallon
from $35.99
(17)
DEX/MERC Automatic Transmission Fluid, 1 Gallon
Transfer Case Fluids

FAQs for 1979 GMC C2500 Fluids and Chemicals

What are the most purchased Fluids and Chemicals for the 1979 GMC C2500?

Out of 20 Fluids and Chemicals for the 1979 GMC C2500, 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 1979 GMC C2500 Fluids and Chemicals?

Top-rated Fluids and Chemicals for your 1979 GMC C2500 based on customer reviews/ratings are: