1981 GMC C3500 Fluids

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.

Automatic Transmission Fluid – 1 Liter and with High Performance

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

Mobil Delvac Extreme 15W-40 is a high-performance synthetic diesel engine oil that helps to deliver extended performance for up to two times beyond OEM recommended oil drain intervals (1) for modern diesel engines operating in extreme conditions. Mobil Delvac Extreme 15W-40 is recommended for use in a wide range of heavy-duty applications and operating environments found on- and off-highway conditions, including engines operating under heavy loads. Fully backward compatible, it delivers excellent performance in both newer and older heavy-duty engines, meeting or exceeding the requirements of API CK-4, CJ-4, CI-4 PLUS, CI-4, and other service categories. This diesel engine oil provides exceptional high temperature performance, oxidation stability (2), and resistance to corrosive and abrasive wear to help promote long life of critical wear surfaces. Mobil Delvac Extreme 15W-40 also offers excellent low-temperature performance for increased oil flow to critical bearing surfaces at startup, controlling fluidity and pumpability for smooth starting in cold weather. ( (1)Results may vary based on vehicle/engine condition, driving and environmental conditions Consult OEM or ExxonMobil before implementing extended ODIs. (2) Based on the performance in the Volvo T-13 engine test.)

Product Features:

• Manufacturer Part Number: 122448

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

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

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

Today’s advanced engine technology requires advanced protection. Valvoline Advanced Full Synthetic, the motor oil designed to protect today’s sophisticated engines, contains premium anti-wear additives, superior antioxidants and extra detergents. It protects 40% better against wear, resists oil breakdown 10-times better, and defends 25% more against deposits than industry standards for maximum performance and engine longevity. And with an exceptional range of temperature protection your engine will ready for extreme weather. Valvoline invented motor oil 150 years ago, and we’ve been reinventing it ever since. Get Valvoline Advanced Full Synthetic and give your engine the advanced protection proven to maximize engine life.

Product Features:

• ADVANCED PROTECTION AGAINST the four main causes of engine breakdown: wear friction heat and deposits
• 40% BETTER WEAR PROTECTION vs. industry standard as tested in the Sequence IVB engine test
• 25% BETTER DEPOSIT PROTECTION with superior engine cleaning detergents as tested in the GMOD engine test
• EXCEPTIONAL HIGH/LOW TEMPERATURE PROTECTION defends your motor no matter the weather conditions
• MEETS OR EXCEEDS ALL REQUIREMENTS of ILSAC GF-6A, API SP, API SN with SN PLUS, API SN, GM dexos 1 Gen 3
• Enhanced Oil Stability: Resists oil breakdown 10-times better than industry standards, providing consistent performance and reliability.
• Premium Additives: Contains premium anti-wear additives, superior antioxidants, and extra detergents for maximum performance and engine longevity.

PENTOSIN ATF 6 1L

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

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

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 + 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® 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 (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