1979 Oldsmobile Cutlass Supreme Engine Oil

Give your higher mileage engine the care it deserves with Mobil 1 High Mileage full-synthetic motor oil 10W-30. 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 10W-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 #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 Feb 25, 2023)

Product Features:

• Mobil 1 High Mileage full-synthetic motor oil 10W-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)
• Mobil 1 is specially formulated to help remove sludge and lower engine temperatures
• Manufacturer Part Number: 120770

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 10W-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 #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 Feb 25, 2023)

Product Features:

• Mobil 1 High Mileage full-synthetic motor oil 10W-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)
• Mobil 1 is specially formulated to help remove sludge and lower engine temperatures
• Manufacturer Part Number: 103535

Shell Rotella® T5 10W-30 synthetic blend heavy duty diesel oil combines synthetic base oils with advanced additives to deliver excellent protection, even at low temperatures. Shell Rotella® T5 10W-30 Diesel Engine Oil with Triple Protection PlusTM technology provides protection against wear, deposits and oil breakdown, PLUS: Improved oxidation protection under extreme conditions compared to API CJ-4 oils Demonstrated protection against oxidation and corrosion in the presence of biodiesel Extended drain capabilities (1) Fuel economy savings up to 2% compared to a conventional 15W-40, helping you improve your bottom line Shell Rotella® T5 delivers an average of 44% better than the maximum wear requirements (2), and provides hard-working protection that adapts to your driving conditions, plus: Provides excellent wear protection beyond the recommended oil drain interval of 50,000 miles common for many engine manufacturers. Shell Rotella® T5 10W-30 protects your engine like a heavier viscosity engine oil. Low ash formulation helps protect the exhaust catalysts and particulate filters found on the latest low emission vehicles. 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. (1) Shell Rotella T5 maintains oil viscosity over the OEM recommended drain interval. Always follow the OEM’s recommended oil drain interval (2) Calculated average based on API CK-4 wear test results

Product Features:

• Triple Protection Plus technology protects against wear, deposits and oil breakdown PLUS better fuel economy performance
• Fuel economy savings up to 2% compared to a conventional 15W-40, helping you stretch your budget and improve your bottom line
• Provides excellent wear protection, which keeps engines running longer
• Better cold cranking properties and better low temperature pumpability than conventional 15W-40, it reaches critical engine parts faster in colder temperatures to minimize wear and makes hard work easier in harsh climates
• Extended drain capabilities (1)
• Reduced hard water scale
• Reduced overall coolant and cooling component maintenance

If you trust your vehicle to be there for you, you need to be there for its engine, with Mobil 1 Extended Performance full-synthetic motor oil 10W-30. Our ultimate full-synthetic motor oil meets or exceeds the industry’s toughest standards to help you get the most from your engine for up to 20,000 miles between oil changes, guaranteed.(1) Mobil 1 Extended Performance utilizes Mobil 1’s Triple Action+ Formula to combine outstanding engine performance, protection, and cleanliness with the added benefit of maximized engine power. This cutting-edge formula 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 #1 synthetic motor oil brand at retail,(2) trusted and recommended by car builders and experienced mechanics, and is the Official Motor Oil of NASCAR«. ((1)Protects for up to 20,000 miles or 1 year, whichever comes first. To learn more about the Mobil 1 Limited Warranty, visit Mobil.US. (2)Source: The NPD Group/ Retail Tracking Service/ Dollar Sales/ PCMO full-synthetic/ 52 weeks ending Feb 25, 2023)

Product Features:

• Mobil 1 High Mileage full-synthetic motor oil 10W-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 Triple Action+ Formula to combine outstanding engine performance, protection, and cleanliness with the added benefit of power
• 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
• Helps extend engine life by working to prevent damaging deposits and sludge buildup
• Provides excellent internal engine heat protection (up to 500 degrees F) and low temperature protection (to -40 degrees F)
• Manufacturer Part Number: 102990

Shell Rotella® T5 10W-30 synthetic blend heavy duty diesel oil combines synthetic base oils with advanced additives to deliver excellent protection, even at low temperatures. Shell Rotella® T5 10W-30 Diesel Engine Oil with Triple Protection PlusTM technology provides protection against wear, deposits and oil breakdown, PLUS: Improved oxidation protection under extreme conditions compared to API CJ-4 oils Demonstrated protection against oxidation and corrosion in the presence of biodiesel Extended drain capabilities (1) Fuel economy savings up to 2% compared to a conventional 15W-40, helping you improve your bottom line Shell Rotella® T5 delivers an average of 44% better than the maximum wear requirements (2), and provides hard-working protection that adapts to your driving conditions, plus: Provides excellent wear protection beyond the recommended oil drain interval of 50,000 miles common for many engine manufacturers. Shell Rotella® T5 10W-30 protects your engine like a heavier viscosity engine oil. Low ash formulation helps protect the exhaust catalysts and particulate filters found on the latest low emission vehicles. 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. (1) Shell Rotella T5 maintains oil viscosity over the OEM recommended drain interval. Always follow the OEM’s recommended oil drain interval (2) Calculated average based on API CK-4 wear test results

Product Features:

• Triple Protection Plus technology protects against wear, deposits and oil breakdown PLUS better fuel economy performance
• Fuel economy savings up to 2% compared to a conventional 15W-40, helping you stretch your budget and improve your bottom line
• Provides excellent wear protection, which keeps engines running longer
• Better cold cranking properties and better low temperature pumpability than conventional 15W-40, it reaches critical engine parts faster in colder temperatures to minimize wear and makes hard work easier in harsh climates
• Extended drain capabilities (1)

Formerly known as Shell Rotella® T Triple Protection, Shell Rotella® T4 Triple Protection 10W-30 Diesel Engine Oil is the most technically advanced Shell Rotella® formulation ever. This heavy-duty engine oil has been formulated to provide Triple Protection technology against wear, deposits and oil breakdown. It uses advanced additive technology to protect under the most severe engine conditions found in modern, low-emission engines. Plus, it provides outstanding wear protection, emissions system compatibility and shear stability. Outstanding Wear Protection: Shell Rotella® T4 10W-30 provides exceptional wear protection to help maximize engine efficiency and prolong engine life. Severe Duty Heavy Duty Diesel Engines: Shell Rotella® T4 10W-30 Triple Protection provides outstanding protection for virtually all heavy-duty diesel engines, including engines with the latest emission control using EGR and containing a Diesel Particular Filter. Off-Highway Applications: Shell Rotella® T4 10W-30 Heavy Duty Engine Oil is suitable for use in agricultural, mining, logging, and construction applications, even with high levels of fuel sulfur. Hardworking Diesel Engines: Suitable for use in diesel pick-up trucks. 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.z

Product Features:

• Provides Triple Protection® against wear, deposits and oil breakdown for most heavy-duty engines
• Conventional Diesel Engine Oil formulated with advanced additive technology for enhanced deposit protection to help keep engines cleaner over the oil drain interval
• Provides increased shear stability for better viscosity control and optimal engine oil pressure compared to the previous formulation
• Protects your bottom line with a lower viscosity that allows for less engine resistance for improved fuel economy compared to an SAE 15W-40

Formerly known as Shell Rotella® T Triple Protection, Shell Rotella® T4 Triple Protection 10W-30 Diesel Engine Oil is the most technically advanced Shell Rotella® formulation ever. This heavy-duty engine oil has been formulated to provide Triple Protection technology against wear, deposits and oil breakdown. It uses advanced additive technology to protect under the most severe engine conditions found in modern, low-emission engines. Plus, it provides outstanding wear protection, emissions system compatibility and shear stability. Outstanding Wear Protection: Shell Rotella® T4 10W-30 provides exceptional wear protection to help maximize engine efficiency and prolong engine life. Severe Duty Heavy Duty Diesel Engines: Shell Rotella® T4 10W-30 Triple Protection provides outstanding protection for virtually all heavy-duty diesel engines, including engines with the latest emission control using EGR and containing a Diesel Particular Filter. Off-Highway Applications: Shell Rotella® T4 10W-30 Heavy Duty Engine Oil is suitable for use in agricultural, mining, logging, and construction applications, even with high levels of fuel sulfur. Hardworking Diesel Engines: Suitable for use in diesel pick-up trucks. 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:

• Provides Triple Protection® against wear, deposits and oil breakdown for most heavy-duty engines
• Conventional Diesel Engine Oil formulated with advanced additive technology for enhanced deposit protection to help keep engines cleaner over the oil drain interval
• Provides increased shear stability for better viscosity control and optimal engine oil pressure compared to the previous formulation
• Protects your bottom line with a lower viscosity that allows for less engine resistance for improved fuel economy compared to an SAE 15W-40