1978 Oldsmobile Custom Cruiser Engine Oils

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 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 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
• Extended Engine Life: This 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.
• Temperature Control: Mobil 1 helps to keep your engine running at lower temperatures and is proven to cool engine temperatures by over 10%, compared to conventional oil.
• Oxidation Control: The formula helps control oxidation to prevent oil breakdown, ensuring long-lasting performance and protection for modern cars, SUVs, light vans, and light trucks.
• Trusted Brand: Mobil 1 is America’s No. 1 synthetic motor oil brand at retail, trusted and recommended by car builders and experienced mechanics, and is the Official Motor Oil of NASCAR«.
• Trusted Brand: Mobil 1 is America’s No. 1 synthetic motor oil brand at retail, trusted and recommended by car builders and experienced mechanics, and is the Official Motor Oil of NASCAR®.

Product Features:

• Synthetic blend 10W-30 diesel engine oil with Triple Protection Plus technology protects against wear, deposits, and oil breakdown
• Ideal for on-highway fleets, construction, and agricultural machinery, and diesel pickup trucks including high-power vehicles that require resistance to heat and stress
• Triple Protection Plus technology offers better low-temperature flow, which delivers excellent equipment protection, long engine life, and maintains viscosity control under high temperatures
• Fuel economy savings up to 2% compared to a conventional 15W-40, helping you stretch your budget and improve your bottom line
• Delivers good engine cleanliness and protection against piston deposits, ensuring engine and component reliability at extended oil drain intervals
• Low ash formulation helps protect the exhaust catalysts and particulate filters found on the latest low-emission vehicles
• Limited warranty valid up to 10 years or 300,000 miles (whichever comes first) if you exclusively use Shell Rotella T5 Synthetic Blend heavy-duty engine oil
• Meets or exceeds the following industry requirements: API CK-4, CJ-4, CI-4 PLUS, CI-4, CH-4; ACEA E11
• Meets or exceeds the following OEM specifications: Caterpillar ECF-3, ECF-2; Cummins CES 20086, 20081; Detroit Fluid Specification (DFS) 93K222, 93K218; Deutz DQC III-10 LA; DFTR 15c100 (prev. MB-Approval 228.31)
• Ford WSS-M2C171-F1; Mack EO-S 4.5, EO-O Premium Plus; MAN M 3575; MTU Category 2.1; Volvo VDS-4.5, VDS-4
• For a full list of equipment approvals and recommendations, please consult your local Shell Technical Help Desk and always consult your owner’s manual

Pennzoil Platinum Full Synthetic 10W-30 is designed to maximize engine protection and is backed by a 15,000-mile protection guarantee to protect your pursuit of every mile. Made with natural gas, it is formulated for complete protection for top engine performance. Pennzoil Platinum offers cleaner pistons (based on Sequence IIIH results), helps protect engines from loss of power, delivers better fuel economy (based on the latest industry standard), provides unsurpassed wear protection (based on Sequence IVA wear test using SAE 5W-30), and provides excellent performance in extreme temperatures. (Pennzoil Platinum Lubrication Limited Warranty: Protection for up to 15,000 miles or one year, whichever comes first. Use an oil filter designed for longer oil change intervals and follow OEM manual and vehicles oil life sensor to maintain OEM warranty. Excludes severe driving conditions, including racing and commercial use. Your engine must have fewer than 125,000 miles and have been manufactured in the past 72 months. Enrollment required. Other conditions apply. See pennzoil.com/warranty to enroll and for full details and terms.)

Product Features:

• Full synthetic 10W-30 motor oil that is made with natural gas and designed to maximize engine protection
• Backed by a 15,000-mile protection guarantee to protect your pursuit of every mile
• Provides better fuel economy (based on the latest industry standards)
• Keeps pistons cleaner than required by the toughest industry standard (based on Sequence IIIH results)
• Designed for high-performance engines
• Formulated to provide faster low-temperature oil flow and protection in extreme heat
• Helps protect engines from loss of power
• Meets or exceeds the requirements of the following industry specifications: API SP, API SP-Resource Conserving, and all previous categories; ILSAC GF-6A
• Meets or exceeds the following OEM requirements: Chrysler MS-6395
• For a full list of equipment approvals and recommendations, please consult your local Shell Technical Help Desk and always consult your owner’s manual

Shell Rotella T5 10W-30 Synthetic Blend diesel engine oil with Triple Protection Plus technology combines synthetic base oils and advanced additive technology to provide protection against wear, deposits, and oil breakdown. Triple Protection Plus technology also provides better low-temperature flow and better fuel economy performance (up to 2% fuel economy savings compared to conventional 15W-40 motor oil). The advanced low-ash formulation helps control the blocking or poisoning of exhaust after-treatment devices, helping maintain vehicle emission compliance and engine fuel efficiency. Meeting the requirements of major US and European engine manufacturers for low-emission, heavy-duty engine applications, it’s an excellent choice for on-highway fleets, construction and agriculture applications, and diesel pick-up trucks. Shell Rotella T5 is backed by a free warranty valid up to 10 years or 300,000 miles, whichever comes first. (Shell Rotella Limited Warranty: Valid up to 10 years or 300,000 miles, whichever comes first, if you exclusively use Shell Rotella T5 Synthetic Blend heavy-duty engine oil. Terms and conditions apply. See Rotella.Shell.com/warranty for details.)

Product Features:

• Synthetic blend 10W-30 diesel engine oil with Triple Protection Plus technology protects against wear, deposits, and oil breakdown
• Ideal for on-highway fleets, construction, and agricultural machinery, and diesel pickup trucks including high-power vehicles that require resistance to heat and stress
• Triple Protection Plus technology offers better low-temperature flow, which delivers excellent equipment protection, long engine life, and maintains viscosity control under high temperatures
• Fuel economy savings up to 2% compared to a conventional 15W-40, helping you stretch your budget and improve your bottom line
• Delivers good engine cleanliness and protection against piston deposits, ensuring engine and component reliability at extended oil drain intervals
• Low ash formulation helps protect the exhaust catalysts and particulate filters found on the latest low-emission vehicles
• Limited warranty valid up to 10 years or 300,000 miles (whichever comes first) if you exclusively use Shell Rotella T5 Synthetic Blend heavy-duty engine oil
• Meets or exceeds the following industry requirements: API CK-4, CJ-4, CI-4 PLUS, CI-4, CH-4; ACEA E11
• Meets or exceeds the following OEM specifications: Caterpillar ECF-3, ECF-2; Cummins CES 20086, 20081; Detroit Fluid Specification (DFS) 93K222, 93K218; Deutz DQC III-10 LA; DFTR 15c100 (prev. MB-Approval 228.31)
• Ford WSS-M2C171-F1; Mack EO-S 4.5, EO-O Premium Plus; MAN M 3575; MTU Category 2.1; Volvo VDS-4.5, VDS-4
• For a full list of equipment approvals and recommendations, please consult your local Shell Technical Help Desk and always consult your owner’s manual

Pennzoil Platinum High Mileage Full Synthetic 10W-30 is designed to maximize engine protection and is formulated to help stop leaks in engines with more than 75,000 miles. Backed by a 15,000-mile protection guarantee to keep you covered between oil changes and for the long run (see Warranty Information below), it is the first of its kind full synthetic high mileage motor oil made with natural gas and designed to deliver less oil burn off than other high mileage oils (based on Sequence IIIH results). Pennzoil Platinum High Mileage motor oil conditions seals on older engines to give added protection to high-mileage vehicles. It offers complete protection mile after thrilling mile as it protects engines from loss of horsepower, offers excellent performance in extreme temperatures, provides unsurpassed wear protection (based on Sequence IVA wear test using SAE 5W-30), and provides better fuel economy (based on the latest industry standards). (Pennzoil Platinum Lubrication Limited Warranty: Protection for up to 15,000 miles or one year, whichever comes first. Use an oil filter designed for longer oil change intervals and follow OEM manual and vehicles oil life sensor to maintain OEM warranty. Excludes severe driving conditions, including racing and commercial use. Your engine must have fewer than 125,000 miles and have been manufactured in the past 72 months. Enrollment required. Other conditions apply. See pennzoil.com/warranty to enroll and for full details and terms.)

Product Features:

• Full synthetic 10W-30 engine oil designed for vehicles with more than 75,000 miles
• Backed by a 15,000-mile protection guarantee to keep you covered between oil changes and in the long run
• Keeps pistons cleaner than required by the toughest industry standards (based on Sequence IIIH results; does not apply to Pennzoil Platinum Euro motor oil)
• Proven to help stop leaks for engines with more than 75,000 miles
• Formulated to deliver less oil burn-off than high-mileage motor oils made from crude oil
• Provides better fuel economy (based on the latest industry standards) and helps protect horsepower
• Provides faster low-temperature oil flow and protects in extreme heat
• Exceeds the requirements of the following industry specifications: API SP, API SP-Resource Conserving, and all previous categories; ILSAC GF-6A
• Meets or exceeds the following OEM requirements: Chrysler MS-6395
• For a full list of equipment approvals and recommendations, please consult your local Shell Technical Help Desk and always consult your owner’s manual

T4 Triple Protection 10W-30 Diesel Engine Oil delivers advanced performance and reliability for diesel engines, combining cutting-edge technology with the trusted durability of Shell Rotella. This conventional oil is engineered to provide enhanced protection against oxidation, wear, and deposits, ensuring your engine stays cleaner and performs better over time. Its improved formula supports sustained emission control system durability, making it ideal for vehicles equipped with particulate filters and after-treatment systems. Designed for hard-working diesel engines, this 10W-30 oil adapts to demanding driving conditions, offering consistent performance and long-lasting protection. With a 1-gallon capacity, it’s a dependable choice for maintaining engine health and efficiency.

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.)
• Adapts to demanding driving conditions to provide consistent performance and long-lasting engine protection.

T4 Triple Protection 10W-30 Synthetic Blend Diesel Engine Oil delivers advanced performance for diesel engines, combining cutting-edge technology with proven reliability. This synthetic blend is engineered to provide enhanced protection against oxidation and wear, ensuring your engine stays robust under demanding conditions. Its improved deposit control promotes cleanliness, helping to maintain optimal engine performance over time. Designed specifically for diesel engines, this oil sustains emission control system durability, making it ideal for vehicles equipped with particulate filters and after-treatment systems. With its SAE 10W-30 weight, it adapts seamlessly to varying driving conditions, offering consistent protection and efficiency. Whether you’re tackling tough jobs or long hauls, this oil is built to keep your engine running smoothly while maximizing its lifespan.

Product Features:

• 
  
  

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.)
• Adapts seamlessly to varying driving conditions, providing consistent protection and efficiency for diesel engines.

Shell Rotella T6 10W-30 diesel engine oil is a full synthetic motor oil that features exclusive Triple Protection Plus technology. It’s formulated with fully synthetic base oils plus advanced additives to protect against wear, deposits, and oil breakdown. It also provides lower oil consumption for reduced maintenance costs, improved wear performance versus API CJ-4 technology, extended drain capabilities for more uptime, improved protection against oxidation for increased fuel economy, and a low ash formulation for emissions system compatibility. Suitable for virtually all modern low-emission heavy-duty engines and older hard-working diesel engines, Shell Rotella T6 10W-30 is an excellent choice for on-highway fleets, general haul, construction, agriculture, public-transport operators, and diesel pick-up trucks. Shell Rotella T6 is backed by a limited warranty valid up to 15 years or 500,000 miles (whichever comes first), guaranteed. (Shell Rotella Limited Warranty: Up to 15 years or 500,000 miles, whichever comes first, guaranteed, if you exclusively use Shell Rotella T6 Full Synthetic heavy-duty engine oil and meet enrollment mileage and vehicle manufacture date requirements. Enrollment required. Keep your receipts. Other conditions apply. See Rotella.com/warranty to enroll and for full details and terms.)

Product Features:

• Full synthetic 10W-30 diesel engine oil with Triple Protection Plus technology protects against wear, deposits, and oil breakdown
• Provides the performance you expect from a full synthetic engine oil in the viscosity grade you prefer and trust
• Extended drain capability for more uptime
• Improved wear performance versus API CJ-4 technology
• Compatibility with exhaust emissions control systems
• Excellent choice for operators in locations with large ambient temperature ranges
• Limited warranty valid up to 15 years or 500,000 miles (whichever comes first) if you exclusively use Shell Rotella T6 Full Synthetic Technology heavy-duty engine oil
• Meets or exceeds the following industry requirements: API: CK-4, CJ-4, CI-4 PLUS, CI-4, CH-4; ACEA E11; JASO DH-2
• Meets or exceeds the following OEM specifications: Caterpillar ECF-2/ECF-3; Cummins CES 20086, 20081; Detroit Fluid Specification (DFS) 93K222, 93K218; Deutz DQC III-18 LA; DTFR 15C100 (prev. MB 228.31); Ford WSS-M2C171-F1; MACK EOS-4.5; MAN M 3775; Volvo
• For a full list of equipment approvals and recommendations, please consult your local Shell Technical Help Desk and always consult your owner’s manual

Formulated to perform well in gasoline engines without sacrificing protection in diesel engines, Shell Rotella T6 Multi-Vehicle 5W-30 heavy duty engine oil is a full synthetic motor oil that features exclusive Triple Protection Plus technology. Blended with lower levels of phosphorous compared to most diesel engine oils, it is able to meet both API CK-4 and SN performance standards allowing mixed fleet customers to consolidate lubricants. Designed to provide hard-working protection that adapts to your driving conditions, Shell Rotella T6 Multi-Vehicle provides excellent protection against wear, deposits, and oil breakdown, delivers demonstrated 2.8% improvement in fuel economy, and provides excellent extreme high/low-temperature protection. It also offers improved oxidation performance (relative to CJ-4 quality engine oils) and a low-ash formulation that helps protect exhaust catalysts and particulate filters found on the latest low-emission vehicles. With its wide range of specifications and approvals from many of the world’s leading engine makers, it is ideal for on- or off-road applications. Shell Rotella T6 MV is backed by a limited warranty valid up to 15 years or 500,000 miles (whichever comes first), guaranteed. (Compared to conventional SAE 15W-40 engine oil. Shell Rotella Limited Warranty: Valid up to 10 years or 300,000 miles, whichever comes first, if you exclusively use Shell Rotella T5 Synthetic Blend heavy-duty engine oil. Terms and conditions apply. See Rotella.Shell.com/warranty for details.)

Product Features:

• Full synthetic 5W-30 engine oil with Triple Protection Plus technology protects against wear, deposits, and oil breakdown, and improves high/low-temperature performance
• Performs extremely well in both diesel and gasoline engines, allowing mixed fleet customers to consolidate lubricants
• Better fuel economy performance of up to 2.8%, helping to deliver fuel savings without compromising engine protection or durability
• Blended with lower levels of phosphorous compared to most diesel engine oils
• Strong oxidation protection helps to minimize the formation of acids and oil thickening, resulting in a longer, cleaner engine life
• Excellent cold temperature flow for easier start-ups in extreme cold temperatures
• Limited warranty valid up to 15 years or 500,000 miles (whichever comes first), guaranteed, if you exclusively use Shell Rotella T6 MV Full Synthetic heavy-duty engine oil
• Meets or exceeds the following industry specifications: API CK-4, CJ-4, CI-4 Plus, CI-4; API SN; ACEA E6; JASO DH-2
• Meets or exceeds the following OEM requirements: Caterpillar ECF-2/ECF-3; Cummins CES 20081, 20086; DDC DFS 93K222, 93K218; DTFR 15C110 (prev. MB 228.51); MACK EO-S 4.5, EO-O Premium Plus; MTU Category 3.1; Volvo VDS 4.5, VDS-4
• For a full list of equipment approvals and recommendations, please consult your local Shell Technical Help Desk and always consult your owner’s manual