1999 Infiniti QX4 Oil and Lubricants

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 5W-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 No. 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. (3)Source: The NPD Group/ Retail Tracking Service/ Dollar Sales/ PCMO full-synthetic/ 52 weeks ending Feb 25, 2023)

Product Features:

• Mobil 1 Extended Performance full-synthetic motor oil 5W-30 helps protect critical engine parts for up to 20,000 miles between oil changes,(1) controlling oxidation to prevent oil breakdown and maintaining excellent viscosity
• 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: 112627
• Versatile Compatibility: Recommended 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.
• 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®.

Mobil Super 10W-30 Synthetic Blend motor oil helps to extend your engine life and provide engine protection up to 5,000 miles for gasoline cars and light-duty trucks. Mobil Super has 15 percent extra cleaning additives to help prevent the formation of sludge and deposits when compared to Mobil conventional motor oil. Helps to get your engine cleaner, conserve viscosity for easier cold starting, and provide outstanding engine wear protection under a variety of operating conditions. Meets or exceeds the requirements of: API SN, SM, SL, API SN Plus.

Product Features:

• Mobil Super Synthetic Blend motor oil 10W-30 works to protect your engine from sludge and deposits for up to 5,000 miles
• Helps to keep your engine clean with 15 percent extra cleaning additives, preventing sludge and deposit formation
• Works to provide outstanding engine wear protection under a variety of operating conditions
• Enhanced formulation (vs. Mobil basic conventional oil) helps to conserves oil viscosity for easier cold starting
• Recommended for gasoline cars and light-duty trucks

Introducing the ultimate protection for vehicles with more than 75,000 miles: Valvoline Extended Protection Full Synthetic High Mileage Motor Oil with Ultra MaxLife Technology. Engineered to maximize engine life, it’s 10x stronger against oil breakdown and provides 50% better wear protection than industry standards. The new formulation combines Valvoline’s premium full synthetic with Ultra MaxLife Technology featuring seal conditioners to rejuvenate aging seals and prevent oil leaks. The result is our best performing motor oil ever for high mileage vehicles. It helps prevent engine breakdown in extreme operating conditions and is proven to protect high-mileage motors against wear, friction, heat, and deposits – the leading causes of expensive repairs. After 75,000 miles, your engine is ready for greater protection. Upgrade to Valvoline Extended Protection Full Synthetic High Mileage with Ultra MaxLife Technology and keep your car on the road for years to come.

Product Features:

• Our best performing high-mileage engine oil is formulated with ultra maxlife technology, the ultimate protection for vehicles with more than 75,000 miles
• Valvoline extended protection full synthetic high mileage engine oil is designed with premium seal conditioners to treat and prevent oil leaks
• 10x stronger against oil breakdown and 50% greater wear protection than industry standards
• Enhanced wear additives and friction-fighting agents to safeguard critical engine components
• Maximizes engine life: Valvoline Extended Protection Full Synthetic High Mileage Engine Oil is engineered to maximize engine life, providing superior wear protection and preventing expensive repairs.
• Ultra MaxLife Technology: The new formulation combines Valvoline’s premium full synthetic with Ultra MaxLife Technology featuring seal conditioners to rejuvenate aging seals and prevent oil leaks.

FRAM Engine Oil SAE 10W-30 utilizes a blend of high-quality conventional base stocks coupled with a robust additive system to provide reliable engine protection across a broad range of operating conditions. Specifically formulated for use in modern gas-direct engines (GDI) and turbo gas-direct engines (TGDI) as well as older carbureted or normally fuel injected gasoline engine designs. FRAM Engine Oil SAE 5W-30 contains additive technology designed to prevent low-speed pre-ignition (LSPI) while also providing increased wear protection, oxidation and shear stability over previous oil categories. FRAM Engine Oil SAE 10W-30 meets the requirements for API SP, SN Plus, SN, SM and ILSAC GF-6A, GF-5 and earlier API and ILSAC Service Categories.

Product Features:

• Low-speed pre-ignition control
• Chain wear protection
• Piston cleanliness
• Turbo-compatibility
• Always refer to your vehicles operating manual to select the correct grade oil for your engine.
• Suitable for modern engines: Specifically formulated for use in modern gas-direct engines (GDI) and turbo gas-direct engines (TGDI) as well as older carbureted or normally fuel injected gasoline engine designs.

Pennzoil Platinum High Mileage SAE 5W-30 is a full synthetic motor oil that 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. Because it is made from natural gas, the 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 high mileage portfolio. As your car ages, leaks may develop and cause higher oil consumption and oil burn off, potentially causing your engine to need frequent top-offs. Pennzoil Platinum High Mileage motor oil is enhanced with an excellent combination of special conditioning seal agents and additives to help stop leaks from seals and reduce the oil consumption that is typical of older and worn engines. Our full synthetic high mileage motor oil also protects engines from loss of horsepower, offers excellent performance in extreme temperatures, provides unsurpassed wear protection, and protection against abnormal combustion phenomenon like low-speed pre-ignition observed in modern turbocharged gasoline direct injection (TGDI) engines. Pennzoil Platinum High Mileage SAE 5W-30 is also engineered to help keep engines clean by gently lifting deposits and keeping them away from critical moving engine parts. In fact, it keeps pistons up to 50% cleaner than the toughest industry standards.

Product Features:

• Full synthetic 5W-30 engine oil made from natural gas, not crude, using Pennzoil’s patented gas-to-liquid PurePlus Technology
• Designed for for vehicles with over 75,000 miles
• Pennzoil Platinum High Mileage 5W-30 keeps pistons up to 45% cleaner than the toughest industry standard (Based on Sequence IIIH results)
• No other leading high mileage motor oil provides better protection from friction (Based on Sequence IVA wear test using SAE 5W-30)
• Formulated to deliver less oil burn off than high mileage motor oils made from crude oil
• Helps protect engines from loss of horsepower
• Provides faster low-temperature oil flow and protects in extreme heat
• Enhanced Leak Protection: Contains special conditioning seal agents and additives designed to help stop leaks and reduce oil consumption in older and worn engines.
• Superior Engine Cleanliness: Keeps engines clean by gently lifting deposits and keeping them away from critical moving engine parts, maintaining pistons up to 50% cleaner than the toughest industry standards.
• Unsurpassed Wear Protection: Offers excellent performance in extreme temperatures and provides protection against abnormal combustion phenomena like low-speed pre-ignition in modern turbocharged gasoline direct injection (TGDI) engines.

FRAM Conventional High Mileage 10W30 Engine Oil is specially designed with enhanced  additives to help reduce leaks and oil consumption in worn or higher mileage engines. This oil is formulated to help clean out sludge buildup and keep engines running clean and with  increased efficiency and power. They are specially designed for engines with over 75,000 miles. FRAM Conventional High Mileage 10W30 Engine Oil will protect domestic and imported vehicles and equipment powered with either gasoline or light duty diesel engines – even those that are turbo charged or super-charged. This high-quality oil is specifically formulated to meet or exceed  all new car manufacturers’ warranty requirements as well as the stringent industry standards API  SP/CF, and 10W30 grade will also meet or exceed the ILSAC GF-6A Resource Conserving Service Category.

Product Features:

• Formulated with a unique combination of premium base oils and an enhanced additive system
• Provides increased protection in higher mileage engines
• Helps restore seal condition to reduce oil consumption
• Increases protection against high temperature deposits and ring sticking
• ALWAYS REFER TO YOUR VEHICLES OPERATING MANUAL TO SELECT THE CORRECT GRADE OIL FOR YOUR ENGINE.
• Sludge Cleanup and Engine Efficiency: Formulated to help clean out sludge buildup, keeping engines running clean with increased efficiency and power.
• Versatile Compatibility: Protects domestic and imported vehicles and equipment powered by gasoline or light-duty diesel engines, including turbocharged and supercharged engines.
• Meets Stringent Standards: Formulated to meet or exceed all new car manufacturers’ warranty requirements and stringent industry standards API SP/CF, and ILSAC GF-6A Resource Conserving Service Category.

Sludge can block your engine’s vital oilways like cholesterol and if untreated, can rob an engine of its power and ultimately its life. Castrol GTX is a premium conventional motor oil that has been helping to extend engine life for over 50 years. It has evolved to meet the needs of consumers and vehicle manufacturers since 1968 and continues to innovate and remain a trusted brand today. Severe driving conditions such as heavy traffic, poor fuel quality, harsh driving conditions and exceeding oil change intervals can all cause the build-up of a thick, tar like substance called sludge. If untreated, it can rob a car’s engine of its power and ultimately its life. GTX is specially engineered to prevent harmful build-up of sludge while protecting against new oil splatter formation better than tough industry standards. Help Extend the Life of Your Engine with Castrol GTX.

Product Features:

• Superior protection against engine sludge (When tested in engines with a high level of sludge)
• Advanced protection against viscosity and thermal breakdown
• Premium quality base oils and anti-wear additives to help extend the life of your engine
• Helps minimize oil consumption
• Proven Longevity: With over 50 years of innovation and trust, Castrol GTX helps extend the life of your engine by protecting against new oil splatter formation better than tough industry standards.
• Adaptable to Severe Conditions: Designed to perform under severe driving conditions such as heavy traffic, poor fuel quality, and harsh driving environments, ensuring your engine remains powerful and reliable.
• Premium Conventional Oil: As a premium conventional motor oil, Castrol GTX meets the needs of both consumers and vehicle manufacturers, providing reliable performance and protection.
• Optimal Viscosity: Featuring an SAE oil weight of 10W-30, Castrol GTX offers optimal viscosity for a wide range of temperatures, ensuring smooth engine operation and protection.

Valvoline High Performance Synthetic Gear Oil is the thermally stabile extreme pressure lubricant that offers outstanding protection for gearboxes and differentials in passenger cars, light trucks, and sport utility vehicles. Combined with high quality synthetic base oils, our formula’s superior additives help reliably safeguard against severe temperatures, shock loads, foaming, scuffing, scouring, corrosion and pitting in high load, high torque and high horsepower conditions. Can be used in conventional and limited slip hypoid differentials where GL-5 is specified as well as non-synchronized manual transmissions that require GL-4. Protect your gears with Valvoline, the #1 gear oil brand.

Product Features:

• HIGH PERFORMANCE EXTREME-PRESSURE ADDITIVES HELP MINIMIZE WEAR in high pressure and high temperature conditions
• EXCEPTIONAL HIGH AND LOW TEMPERATURE PROTECTION can easily handle both winter and summer conditions for dependable coverage and protection year-round
• REDUCES CHATTERING AND PROTECTS GEAR TEETH from oxidation, rust, and wear
• FIGHTS CORROSION AND RUST with emulsifying agents and safeguards against impurities, oxidation and thermal breakdown
• SUPERIOR ADDITIVES help reliably safeguard against severe temperatures, shock loads, foaming, scuffing, scouring, corrosion and pitting in high load, high torque and high horsepower conditions

Pennzoil Ultra PlatinumTM Full Synthetic motor oil is made from natural gas, not crude. It is one of the best full synthetic motor oils in our portfolio. Made for extreme performance, Pennzoil Ultra Platinum outperforms conventional oils in terms of low temperature performance and volatility control. Our full synthetic motor oils are uniquely engineered from our revolutionary PurePlusTM Technology which is a patented process that converts pure natural gas into a high quality, full synthetic base oil. Because it is made from natural gas, the high- quality base oil 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 Ultra Platinum far exceeds the most stringent car manufacturer requirements for cleanliness and protection (based on ILSAC GF-6, dexos1 and Ferrari approvals), and is suitable for all car, SUV, light van, truck gasoline and turbocharged engines; under all driving conditions.

Product Features:

• Full synthetic 5W-30 engine oil made from natural gas, not crude, using Pennzoil’s patented gas-to-liquid PurePlus Technology
• No other leading motor oil provides better wear protection for your engine (Based on Sequence IVA wear test using SAE 5W-30)
• Helps protect engines from loss of power and provides better fuel economy-drive on average an extra 550 miles per year (versus a dirty engine)
• Keeps pistons dramatically cleaner than required by the toughest industry standards (Based on ILSAC GF-6 and Sequence IIIH piston deposit test using SAE 5W-30)
• Delivers unsurpassed sludge protection to help keep high-performance and luxury car engines as close as possible to factory clean (Based on Sequence VH Sludge Test using SAE 5W-20)
• Formulated to provide faster low-temperature oil flow and protection in extreme heat
• Pennzoil is the first motor oil made from natural gas, not crude- PurePlus Technology converts pure natural gas into high-quality, full-synthetic base oil that’s crystal clear and contains fewer impurities than other traditional and synthetic motor oils
• Suitable for all car, SUV, light van, truck gasoline and turbocharged engines; under all driving conditions.
• Extreme Performance: Designed for extreme performance, this motor oil outperforms conventional oils in low temperature performance and volatility control, ensuring optimal engine protection and efficiency.
• Exceeds Stringent Requirements: Pennzoil Ultra Platinum exceeds the most stringent car manufacturer requirements for cleanliness and protection, meeting ILSAC GF-6, dexos1, and Ferrari approvals.
• Extends Engine Life: The advanced additive technology combined with the high-quality base oil helps extend engine life, providing superior protection and performance.

Quaker State Full Synthetic Motor Oil SAE 5W-30 contains the most powerful formulation in the Quaker State portfolio. This product offers superior resistance to thermal and viscosity breakdown compared to Quaker State Synthetic Blend Motor Oil. As the engine temperature increases, the heat activated shear stable viscosity modifiers work to maintain oil film thickness that is necessary to prevent engine parts from metal on metal contact which helps extend engine life. This motor oil maintains its viscosity from start to finish, which means it stays in the grade specified by the car manufacturer throughout the recommended oil drain interval. The product also contains special detergents and dispersant additives that are designed to neutralize the harmful acids generated by the combustion process. This helps prevent the formation of sludge and deposits from forming on crucial engine parts. These properties of Quaker State Ultimate Durability full synthetic motor oil make it reliable and suitable for use in high performance vehicles such as sport cars, SUVs, trucks and minivans. It is compatible with biofuels, ranging from E10 to E85 and suitable for hybrid vehicles.

Product Features:

• Quaker State Ultimate Durability is our most powerful formulation, providing extreme engine performance and protection against deposits, which allows your engine to operate at maximum horsepower
• No leading synthetic motor oil provides better protection from friction-related wear when compared to industry standard Sequence IVA engine test results
• Helps protect against the effects of low-speed pre-ignition (LSPI) in modern turbocharged engines.
• Provides excellent protection against the formation of sludge and other harmful deposits when compared to Quaker State Synthetic Blend Motor Oil
• Superior lubrication flow and pumpability at high and low temperatures when compared to Quaker State Synthetic Blend Motor Oil

Whatever you are driving, wherever you are going, you can trust your car to get you there when you use Mobil 1 advanced full-synthetic motor oil 5W-30. Mobil 1 advanced synthetic motor oil utilizes Mobil 1s signature Triple Action Formula to deliver outstanding engine performance, protection, and cleanliness to vehicles of all ages. Specialty components in synthetic oil extend engine life by reducing the friction that causes deposits and sludge buildup , keeping critical engine parts clean and protected for up to 10,000 miles between oil changes. (1) This technologically advanced motor oil formulation provides 10X (2) better internal engine heat protection than industry standards (up to 500 degrees Fahrenheit), as well as exceptional low-temperature protection (to -30 degrees Fahrenheit) , bringing quick cold-weather starting and ultra-fast protection to your engine. 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 cars, SUVs, light vans, and light trucks , including those with high-performance, turbocharged, supercharged, multi-valve, or fuel-injected engines. Mobil 1 is Americas#1 selling synthetic motor oil brand at retail, (3) 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) Based on Seq IIIH vs industry limits. (3) Source: The NPD Group/ Retail Tracking Service/ Dollar Sales/ PCMO full-synthetic/ 52 weeks ending July 1, 2023)

Product Features:

• Mobil 1 advanced full-synthetic motor oil 5W-30 utilizes Mobil 1s signature Triple Action Formula to deliver outstanding engine performance, protection, and cleanliness.
• 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
• 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 -30 degrees F)
• Manufacturer Part Number: 125222

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.

Product Features:

• Engineered to provide a high-quality base oil using our revolutionary PurePlus gas-to-liquid technology in combination with a high performance additive system
• Helps protect against the effects of low speed pre-ignition (LSPI) in modern turbocharged engines
• Provides better fuel economy which helps you drive an extra 550 miles per year vs a dirty engine
• Offers unsurpassed wear protection by keeping engine parts from coming into contact
• Delivers outstanding piston cleanliness, keeping pistons up to 50% cleaner than required by the toughest industry standards (based on Sequence IIIH engine test results)
• Specifications, Approvals and Recommendations: FCA MS-6395, Chrysler MS-13340; Ford WSS-M2C946-B1; GM dexos1TM Gen 2; HONDA/ACURA HTO-06; Volvo
• Exceeds the requirements of the following industry specifications: API SN PLUS, API SN-RC and all previous categories; ILSAC GF-5; ACEA A1/B1
• 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 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.

Product Features:

• Provides better fuel economy-drive on average an extra 550 miles per year (versus a dirty engine)
• Pennzoil Platinum 5W-30 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.
• High Purity Base Oil: Contains 99.5% pure base oil with fewer impurities compared to oils made from crude oil, ensuring superior engine performance and protection.
• Advanced Additive Technology: Combines high-quality base oil with advanced additives to create one of the best formulations in the Pennzoil portfolio.
• Meets GM’s dexos 1 Gen 2 Specifications: Licensed and meets the vehicle warranty requirements of GM’s dexos 1 Gen 2 specifications, suitable for modern engine technologies.

Valvoline High Performance Synthetic Gear Oil is the thermally stabile extreme pressure lubricant that offers outstanding protection for gearboxes and differentials in passenger cars, light trucks, and sport utility vehicles. Combined with high quality synthetic base oils, our formula’s superior additives help reliably safeguard against severe temperatures, shock loads, foaming, scuffing, scouring, corrosion and pitting in high load, high torque and high horsepower conditions. Can be used in conventional and limited slip hypoid differentials where GL-5 is specified as well as non-synchronized manual transmissions that require GL-4. Protect your gears with Valvoline, the #1 gear oil brand.

Product Features:

• HIGH PERFORMANCE EXTREME-PRESSURE ADDITIVES HELP MINIMIZE WEAR in high pressure and high temperature conditions
• EXCEPTIONAL HIGH AND LOW TEMPERATURE PROTECTION can easily handle both winter and summer conditions for dependable coverage and protection year-round
• REDUCES CHATTERING AND PROTECTS GEAR TEETH from oxidation, rust, and wear
• FIGHTS CORROSION AND RUST with emulsifying agents and safeguards against impurities, oxidation and thermal breakdown
• SUPERIOR ADDITIVES help reliably safeguard against severe temperatures, shock loads, foaming, scuffing, scouring, corrosion and pitting in high load, high torque and high horsepower conditions