1979 GMC C2500 Fluids

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

PENTOSIN ATF 6 1L

Give your higher mileage engine the care it deserves with Mobil 1 High Mileage full-synthetic motor oil 0W-20. This formula utilizes Mobil 1’s signature Triple Action Formula to deliver outstanding engine performance, protection, and cleanliness to vehicles with over 75,000 miles. Mobil 1 High Mileage motor oil extends engine life by reducing friction and preventing deposits and sludge buildup – keeping critical engine parts clean and protected for up to 10,000 miles between oil changes.(1) Mobil 1 helps to keep your engine running at lower temperatures(2) and is proven to cool engine temperatures by over 10%.(3) Mobil 1 High Mileage full-synthetic motor oil 5W-30 also helps control oxidation to prevent oil breakdown and is recommended by ExxonMobil for all types of modern cars, SUVs, light vans, and light trucks – including those with high-performance, turbocharged, supercharged, multi-valve, or fuel-injected engines. Mobil 1 is America’s No. 1 selling synthetic motor oil brand at retail, (4) trusted and 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 September 30, 2023)

Product Features:

• Mobil 1 High Mileage full-synthetic motor oil 5W-30 is designed for engines with over 75,000 miles to go up to 10,000 miles between oil changes. (1)
• Utilizes Mobil 1’s signature Triple Action Formula to deliver outstanding engine performance, protection, and cleanliness
• 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
• Provides excellent internal engine heat protection (up to 500 degrees F) and low temperature protection (to -30 degrees F)
• Helps extend engine life by working to prevent damaging deposits and sludge buildup
• Manufacturer part number: 103767

Improved technology. Same hard work Shell Rotella® T4 Triple Protection® Heavy Duty Engine Oil builds upon the heritage of Triple Protection® you have come to depend on. Today, it¿s more advanced than ever, designed to provide hard working protection that adapts to driving conditions.

Product Features:

• Enhanced protection against oxidation
• Enhanced wear protection
• Improved deposit control/cleanliness
• Sustained emission control system durability in particulate filters and after-treatment systems. (Compared to prior Shell Rotella« Triple Protection« 15W-40.)
• Sustained emission control system durability in particulate filters and after-treatment systems. (Compared to prior Shell Rotella® Triple Protection® 15W-40.)
• Provides enhanced protection against oil oxidation for more efficient operation

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

Mobil Delvac 1300 Super 15W-40 is a high-performance synthetic blend diesel engine oil that helps to extend engine life for diesel vehicles and equipment used in on and off-highway applications. Mobil Delvac 1300 Super is developed in collaboration with top OEMs (original equipment manufacturers) and is recommended for a wide range of heavy-duty applications like the trucking, mining, construction, agricultural, and marine industries. This engine oil helps to deliver extended performance for up to 50% beyond OEM-recommended oil drain intervals. Mobil Delvac 1300 Super 15W-40 is a fully backward-compatible oil that works to deliver excellent soot and viscosity control. Mobil Delvac 1300 Super diesel engine oil has outstanding resistance to oil consumption as well as resistance to corrosive and abrasive wear. For nearly a century, Mobil Delvac is the diesel engine oil of choice for the world’s leading heavy duty original equipment manufacturers (OEMs) and helps protect your engine to keep you going strong on the road. Formulated to meet or exceed the requirements of API CH-4, CI-4, CI-4 PLUS, CJ-4, CK-4, SN, JASO DH-2-17, ACEA E7, ACEA E9, Caterpillar ECF-3, Cummins CES 20086, and Isuzu DEO (with DPD Equipped Vehicles). Approved by the following OEMs: Deutz DQC II-10 LA, Detroit Fluids Specification 93K218, Detroit Fluids Specification 93K222, Mack EOS-4.5, Mack EO-O Premium Plus, MB-Approval 228.31, Renault Trucks RLD-3, MAN M 3575, MAN M 3275-1, Volvo VDS-4, Volvo VDS-4.5. (Results may vary based on vehicle/engine condition, driving, and environmental conditions. Consult OEM or ExxonMobil before implementing extended ODIs. Compared to a SAE 15W-40 conventional engine oil. Savings are dependent on vehicle engine type, outside temperature, driving conditions, and your current engine oil viscosity.)

Product Features:

• Mobil Delvac 1300 Super 15W-40 is a premium synthetic blend diesel engine oil that helps extend engine life for diesel vehicles and equipment
• Developed with top Original Equipment Manufacturers for a wide range of heavy-duty applications and environments
• Helps to deliver extended performance for up to 50% beyond OEM-recommended oil drain intervals
• Fully backward-compatible to deliver exceptional performance in newer and older heavy-duty engines, as well as gasoline engines with API SN specifications
• Provides excellent soot and viscosity control as well as resistance to oil consumption and corrosive wear
• Manufacturer Part Number: 122493

Formulated to meet the specific requirements of Subaru vehicles equipped with conventional (non-CVT) transmissions up to model year 2005. Recommended for service-fill in all Subaru automatic transmissions where SUBARU ATF HP is specified. Fuel economy demands and more sophisticated electronic controls have made automatic transmissions not only more complex, but also unique to each vehicle manufacturer. Long gone are the days of having just a couple choices of automatic transmission fluid type. IDEMITSU is the factory fill Automatic Transmission Fluid (ATF) supplier to most Asian imports. IDEMITSU application-specific ATF products match the exact friction materials and performance requirements of each different vehicle model for which they are made.

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

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: The exclusive formula of Valvoline High Mileage with MaxLife Technology Engine Oil is proven to maximize engine life in cars, trucks, and SUVs with over 75,000 miles.

Automatic Transmission Fluid – 1 Liter and with High Performance

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.

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.

Pennzoil Platinum full synthetic SAE 5W-30 motor oil is uniquely engineered from our revolutionary PurePlus gas-to-liquid technology, which is a patented process that converts pure natural gas into a high quality, full synthetic base oil. Our high quality base oil is 99.5% pure, contains fewer impurities than base oils made from crude oil, and when combined with our advanced additive technology creates one of the best formulations in our Pennzoil portfolio. Pennzoil Platinum full synthetic SAE 5W-30 motor oil is licensed and meets the vehicle warranty requirements of GM’s dexos 1 Gen 2 specifications that are set forth to meet today’s modern engine technologies. This means that our Pennzoil Platinum full synthetic products meet the stringent requirements of leading car manufacturers. Why does this matter? Modern engine technologies have evolved over the years and today’s engine parts have reached an unprecedented level of fine manufacturing tolerances which require a high-quality engine oil to help provide complete engine protection. This includes protection against abnormal combustion phenomenon like low-speed pre-ignition observed in modern turbocharged gasoline direct injection (TGDI) engines. Our Pennzoil Full Synthetic products are engineered for modern engines and offer the following benefits without compromise. Better Fuel Economy. With Pennzoil Platinum full synthetic motor oil, you can drive on average an extra 550 miles vs a dirty engine. Protects Horsepower. Pennzoil Platinum Full Synthetic motor oil helps protect against loss of power by helping to protect your engine against wear and deposit formation. Unsurpassed Wear Protection. When it comes to protecting the internal parts of your engine from metal-on-metal contact, no other leading synthetic motor oil provides better wear protection than Pennzoil Platinum Full Synthetic motor oil. Excellent Temperature Performance.

Product Features:

• Provides better fuel economy-drive on average an extra 550 miles per year (versus a dirty engine)
• Pennzoil Platinum 0W-20 keeps pistons up to 45% cleaner than the toughest industry standard (Based on Sequence IIIH results)
• No other leading synthetic oil provides better wear protection from friction (Based on Sequence IVA wear test using SAE 5W-30)
• Formulated to provide faster low-temperature oil flow and protection in extreme heat
• Helps protect engines from loss of power
• Formulated for modern turbocharged engines-GF-6, API SP/SP-Resource Conserving and all previous categories
• Revolutionary PurePlus Technology: Engineered from Pennzoil’s patented PurePlus gas-to-liquid technology, converting pure natural gas into high-quality, full synthetic base oil that is 99.5% pure.
• Superior Engine Protection: Provides unsurpassed wear protection, safeguarding internal engine parts from metal-on-metal contact better than other leading synthetic motor oils.
• Meets Modern Engine Requirements: Licensed and meets GM’s dexos 1 Gen 2 specifications, ensuring compatibility with today’s advanced engine technologies and stringent car manufacturer requirements.

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

Through the use of Shell¿s most advanced technology, Shell Rotella® T5 15W-40 synthetic blend heavy duty engine oil offers enhanced fuel economy capability of up to 1.5% that can save money in fuel consumption, without compromising engine protection or durability.

Product Features:

• Better fuel economy
• Better low temperature flow
• Formulated to control engine wear, 37% better than the maximum wear requirements in API CK-4 engine wear tests (2)
• Heavy duty engine oil formulated with synthetic base oil components
• Delivers improved oxidation performance for increased resistance to breakdown under high temperatures compared to the previous formulation

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

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

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

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