1991 Chevrolet G20 Motor Oil

Essential 1991 Chevrolet G20 Motor Oil

Castrol – EDGE High Mileage 10W-30 Advanced Full Synthetic Engine Oil: 5 Qt (Part No.15906F)

EDGE High Mileage 10W-30 Advanced Full Synthetic Engine Oil: 5 Qt

from

$38.99
Castrol EDGE High Mileage with Fluid TITANIUM Technology is the natural choice for drivers who demand maximum performance from their high mileage cars, which often operate at extreme temperatures. Castrol EDGE High Mileage provides up to 10X better high temperature performance than the latest industry standard to ensure optimal protection and oil flow over the drive cycle. As your car ages, it can lose performance and efficiency and is also more prone to catalytic converter failure. Castrol EDGE High Mileage is liquid engineered with Phosphorous Replacement Technology to reduce harmful phosphorus to protect the catalytic converter and preserve the life of your emission system. Castrol EDGE High Mileage helps your car defy its miles and extend maximum performance.

Product Features:
  • Patented phosphorus replacement technology to help extend the life of your emission system
  • 10x better high temperature performance (as measured in sequence iiih engine test vs. api sp test limit)
  • 6x better wear protection (as measured in latest sequence iva engine test)
  • 1.4x better sludge protection (as measured in sequence vh engine test vs. api sp test limit)
  • Maximum Performance: Castrol EDGE High Mileage Engine Oil is designed to provide maximum performance for high mileage cars that often operate at extreme temperatures.
  • Improved High Temperature Performance: With up to 10X better high temperature performance than the latest industry standard, Castrol EDGE High Mileage Engine Oil ensures optimal protection and oil flow over the drive cycle.
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Valvoline – Advanced Full Synthetic 5W-30 Engine Oil: Maximizes Engine Life, 1 Quart (Part No.VV955)

Advanced Full Synthetic 5W-30 Engine Oil: Maximizes Engine Life, 1 Quart

from

$11.49
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
  • Superior engine protection: Valvoline SynPower Full Synthetic Engine Oil provides superior protection against engine sludge and varnish, ensuring your engine stays clean and running smoothly.
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Quaker State – Full Synthetic 10W-30 Motor Oil 5 Quart (Part No.550046201)

Full Synthetic 10W-30 Motor Oil 5 Quart

from

$35.99
Quaker State Full Synthetic 10W-30 motor oil delivers strong engine performance and protection against deposits between oil changes. It’s designed to protect today’s sophisticated engines, including modern turbocharged engines. Quaker State Full Synthetic motor oil is the best of the Quaker State portfolio. It can be used in both new and older vehicles, especially high performance vehicles such as sports cars, SUVs, trucks, and minivans. Additionally, Quaker State Full Synthetic 10W-30 is compatible with biofuels ranging from E10 to E85 and is suitable for hybrid engines. It provides high resistance to oxidation, keeping the oil fresher for longer, and it reduces friction to maximize horsepower in your vehicle (compared to Quaker State conventional and synthetic blend motor oils). It exceeds the requirements of the following industry specifications: API SP-Resource Conserving and all previous categories; ILSAC GF-6a and all previous ILSAC Standards. Quaker State Full Synthetic 10W-30 motor oil meets the specifications for: Chrysler MS-6395; GM 6094M. For a full list of equipment approvals and recommendations, please consult your local Quaker State Technical Help Desk and always consult your owner’s manual.

Product Features:
  • Full synthetic 10W-30 motor oil provides strong engine performance and protection against deposits between oil changes
  • Provides improved fuel economy (based on the latest industry standard)
  • Designed to provide more performance with superior lubrication flow and pumpability at high and low temperatures (compared to Quaker State conventional and synthetic blend motor oils).
  • Formulated with high resistance to oxidation, keeping the oil fresher for longer.
  • Reduces friction to maximize horsepower (compared to Quaker State conventional and synthetic blend motor oils)
  • Maintains required viscosity from start to finish, providing optimal protection
  • Suitable for all car, SUV, light van, truck gasoline and turbocharged engines; under all driving conditions.
  • Compatible with biofuels ranging from E10 to E85 and suitable for hybrid vehicles.
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FRAM – 10W-30 Full Synthetic Motor Oil, Ultimate Protection, 5 Quarts (Part No.F940-5QT)

10W-30 Full Synthetic Motor Oil, Ultimate Protection, 5 Quarts

from

$27.99
FRAM Engine Oil Full Synthetic SAE 10W-30 is a full synthetic motor oil blended with high  quality synthetic base stocks and the latest additive technology to provide the ultimate protection  for your engine. Specifically formulated for the rigorous environment of gas-direct engine (GDI)  and turbo gas-direct engine (TGDI) designs as well as providing increased protection for  carbureted or normally fuel injected engines. FRAM Engine Oil Full Synthetic SAE 10W-30  contains additive technology designed to prevent low-speed pre-ignition (LSPI). LSPI can lead  to pre-mature engine failure and is a major concern of the automotive industry for vehicles  employing GDI or TGDI technology. This oil also provides increased wear protection, oxidation  and shear stability over previous oil categories.

Product Features:
  • Outstanding thermal and oxidation stability
  • Excellent sludge and varnish protection
  • Faster oil flow at start-up
  • Volatility: Lowers oil vaporization and consumption at extreme conditions
  • ALWAYS REFER TO YOUR VEHICLES OPERATING MANUAL TO SELECT THE CORRECT GRADE OIL FOR YOUR ENGINE.
  • Ultimate Engine Protection: FRAM Engine Oil Full Synthetic SAE 10W-30 is formulated with high-quality synthetic base stocks and the latest additive technology to provide the ultimate protection for your engine.
  • Advanced LSPI Prevention: Contains additive technology specifically designed to prevent low-speed pre-ignition (LSPI), a major concern for vehicles with gas-direct injection (GDI) and turbo gas-direct injection (TGDI) engines.
  • Enhanced Wear Protection: Offers increased wear protection, ensuring your engine components remain in optimal condition even under rigorous driving conditions.
  • Versatile Engine Compatibility: Suitable for a wide range of engines, including GDI, TGDI, carbureted, and normally fuel-injected engines, making it a versatile choice for various vehicle types.
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FRAM – 30W Small Engine 30W Conventional Oil: 1 Quart (Part No.463-32)

30W Small Engine 30W Conventional Oil: 1 Quart

from

$7.29
30W Small Engine 30W Conventional Oil: 1 Quart

FRAM – Conventional 10W40 Engine Oil with Low-Speed Pre-Ignition Control – 5 Qt (Part No.F640-5QT)

Conventional 10W40 Engine Oil with Low-Speed Pre-Ignition Control - 5 Qt

from

$25.99
FRAM Engine Oil SAE 10W-40 engine oil utilizes high-quality base stocks and a robustï additive system to provide reliable engine protection across a broad range of operatingï 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 engineï designs. FRAM Engine Oil SAE 10W-40 contains additive technology designed to preventï low-speed pre-ignition (LSPI) while also providing increased wear protection, oxidation andï shear stability over previous oil categories. The FRAM Engine Oil SAE 10W-40 meets theï requirements for API SP, SN Plus, SN, SM and earlier API Service Categories.

Product Features:
  • Low-speed pre-ignition control
  • Chain wear protection
  • Piston cleanliness
  • Turbo-compatibility
  • 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.
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FRAM – Full Synthetic High Mileage 10W-30 Motor Oil: 5 Quart (Part No.F943-5QT)

Full Synthetic High Mileage 10W-30 Motor Oil: 5 Quart

from

$28.99
FRAM Full Synthetic High Mileage SAE 10W-30 is a full synthetic motor oil blended with high quality synthetic base stocks and and enhanced additives that meet the stringent API: SP, SN, SM, SL, SJ, and ILSAC GF-6A specifications while reducing leaks and oil consumption in worn or higher mileage engines. Formulated with synthetic base stocks, this oil offers increased oxidation inhibition performance as well as increased high and low temperature performance when compared against conventional oils. The FRAM Full Synthetic High Mileage SAE 10W-30 is formulated to help clean out sludge buildup and keep engines running clean and with increased efficiency and power. Specially designed for engines with over 75,000 miles, the FRAM Full Synthetic High Mileage SAE 10W-30 provides the ultimate protection for your higher mileage engine. Specifically formulated for the rigorous environment of gas-direct engine (GDI) and turbo gas-direct engine (TGDI) designs as well as providing increased protection for carbureted or normally fuel injected engines. FRAM Full Synthetic High Mileage SAE 10W-30 contains additive technology designed to prevent low-speed pre-ignition (LSPI). LSPI can lead to pre-mature engine failure and is a major concern of the automotive industry for vehicles employing GDI or TGDI technology. This oil also provides increased wear protection, oxidation and shear stability for higher mileage vehicles over previous oil categories.

Product Features:
  • Faster oil flow at start-up
  • Fuel efficiency gains over heavier grade oils
  • Reduces oil cumsumption
  • Excellent sludge and varnish protection
  • Slows engine leaks
  • Outstanding thermal and oxidation stability
  • Lowers oil vaporization and consumption at extreme conditions
  • ALWAYS REFER TO YOUR VEHICLES OPERATING MANUAL TO SELECT THE CORRECT GRADE OIL FOR YOUR ENGINE.
  • Engine Cleaning and Efficiency: Helps clean out sludge buildup, keeping engines running clean with increased efficiency and power, ideal for engines with over 75,000 miles.
  • Advanced LSPI Prevention: Contains additive technology designed to prevent low-speed pre-ignition (LSPI), a major concern for vehicles with gas-direct engine (GDI) and turbo gas-direct engine (TGDI) designs.
  • Comprehensive Engine Protection: Provides increased wear protection, oxidation, and shear stability for higher mileage vehicles, meeting stringent API: SP, SN, SM, SL, SJ, and ILSAC GF-6A specifications.
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FRAM – 15W40 Conventional Heavy Duty Diesel Engine Oil, 1 Gallon (Part No.F645-1G)

15W40 Conventional Heavy Duty Diesel Engine Oil, 1 Gallon

from

$19.99
FRAM Heavy Duty 15W-40 Diesel Oil is premium high performance diesel engine oil utilizing the latest in engine oil additive technology to offer the ultimate protection of your engine. Designed to meet or exceed the latest OEM and API CK-4 requirements, it is also backwards compatible to previous OEM and API specifications such as CJ-4, CI-4, CI-4+, and CH-4. STP 15W-40 Diesel Oil carries the API SN classification for use in gasoline engines and is an excellent choice for operators with mixed fleets. The FRAM HD 15W-40 diesel oil is specially designed to protect EGR/Low-Emission Diesel Engines while maximizing the durability of Diesel Particulate Filters (DPF’s).

Product Features:
  • High soot handling
  • Improved sludge control
  • Excellent component protection for corrosion and wear
  • Superior oxidation stability
  • Shear stable formulation
  • One oil for mixed Fleets
  • Exceptional oil consumption control.
  • ALWAYS REFER TO YOUR VEHICLES OPERATING MANUAL TO SELECT THE CORRECT GRADE OIL FOR YOUR ENGINE.
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Quaker State – Full Synthetic 10W-30 Motor Oil 1 Quart (Part No.550046199)

Full Synthetic 10W-30 Motor Oil 1 Quart

from

$8.49
Quaker State Full Synthetic 10W-30 motor oil delivers strong engine performance and protection against deposits between oil changes. It’s designed to protect today’s sophisticated engines, including modern turbocharged engines. Quaker State Full Synthetic motor oil is the best of the Quaker State portfolio. It can be used in both new and older vehicles, especially high performance vehicles such as sports cars, SUVs, trucks, and minivans. Additionally, Quaker State Full Synthetic 10W-30 is compatible with biofuels ranging from E10 to E85 and is suitable for hybrid engines. It provides high resistance to oxidation, keeping the oil fresher for longer, and it reduces friction to maximize horsepower in your vehicle (compared to Quaker State conventional and synthetic blend motor oils). It exceeds the requirements of the following industry specifications: API SP-Resource Conserving and all previous categories; ILSAC GF-6a and all previous ILSAC Standards. Quaker State Full Synthetic 10W-30 motor oil meets the specifications for: Chrysler MS-6395; GM 6094M. For a full list of equipment approvals and recommendations, please consult your local Quaker State Technical Help Desk and always consult your owner’s manual.

Product Features:
  • Full synthetic 10W-30 motor oil provides strong engine performance and protection against deposits between oil changes
  • Provides improved fuel economy (based on the latest industry standard)
  • Designed to provide more performance with superior lubrication flow and pumpability at high and low temperatures (compared to Quaker State conventional and synthetic blend motor oils).
  • Formulated with high resistance to oxidation, keeping the oil fresher for longer.
  • Reduces friction to maximize horsepower (compared to Quaker State conventional and synthetic blend motor oils)
  • Maintains required viscosity from start to finish, providing optimal protection
  • Suitable for all car, SUV, light van, truck gasoline and turbocharged engines; under all driving conditions.
  • Compatible with biofuels ranging from E10 to E85 and suitable for hybrid vehicles.
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Castrol – EDGE Extended Performance Full Synthetic 5W30 Motor Oil 1 Quart (Part No.15D47E)

EDGE Extended Performance Full Synthetic 5W30 Motor Oil 1 Quart

from

$13.49
Castrol® EDGE® Extended Performance is Castrol’s most advanced full synthetic motor oil. It provides ultimate performance and the strength to enable an extended drain of 20,000 miles or a full year (whichever comes first).

Product Features:
  • Approved and Licensed Specifications include: API SP/SN PLUS, ILSAC GF-6, GM dexos1 Gen 2, ACEA A5/B5, ACEA C2, Ford WSS-M2C961-A1, Meets engine test performance of Chrysler MS-6395 and MS-13340
  • 10X Better High Temperature Performance (Seq IIIH test vs. API SP limit)
  • 6X Better Wear Protection (Based on Seq IVA vs. latest test limit)
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FRAM – Full Synthetic 5W-30 Dexos1 Gen 3 Engine Oil: 5 Quart (Part No.F930-5QT)

Full Synthetic 5W-30 Dexos1 Gen 3 Engine Oil: 5 Quart

from

$27.99
FRAM Engine Oil Full Synthetic SAE 5W-30 is a full synthetic motor oil blended with high quality synthetic base stocks and the latest additive technology to meet the stringent API: SP, SN, SM, SL, SJ, GM dexos1 Gen 3 and ILSAC GF-6A specifications to provide the ultimate protection for your engine. Specifically formulated for the rigorous environment of gas-direct engine (GDI) and turbo gas-direct engine (TGDI) designs as well as providing increased protection for carbureted or normally fuel injected engines. FRAM Engine Oil Full Synthetic SAE 5W-30 contains additive technology designed to prevent low-speed pre-ignition (LSPI). LSPI can lead to pre-mature engine failure and is a major concern of the automotive industry for vehicles employing GDI or TGDI technology. This oil also provides increased wear protection, oxidation and shear stability over previous oil categories. FRAM Engine Oil Full Synthetic SAE 5W-30 and is a fully licensed GM dexos1 Gen 3 motor oil.

Product Features:
  • Faster oil flow at start-up
  • Fuel efficiency gains over heavier grade oils
  • Excellent sludge and varnish protection
  • Outstanding thermal and oxidation stability
  • Lowers oil vaporization and consumption at extreme conditions
  • Always refer to your vehicles operating manual to select the correct grade oil for your engine.
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Mobil Delvac – 1300 Super Heavy Duty Synthetic Blend Diesel Engine Oil 15W-40, 5 Gallons (Part No.44823)

1300 Super Heavy Duty Synthetic Blend Diesel Engine Oil 15W-40, 5 Gallons

from

$108.99
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. (1) 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) (2) 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. ( (1) Results may vary based on vehicle/engine condition, driving, and environmental conditions. Consult OEM or ExxonMobil before implementing extended ODIs. (2) 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 (1)
  • 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: 121605
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Castrol – EDGE High Mileage 5W-30 Full Synthetic Engine Oil 1 Quart (Part No.15979F)

EDGE High Mileage 5W-30 Full Synthetic Engine Oil 1 Quart

from

$12.99
CASTROL EDGE High Mileage 5W-30 Full Synthetic Motor Oil 1 Quart is the perfect choice for vehicles with over 75K miles. It is formulated with Fluid Titanium Technology that provides 10X better high-temperature performance and 6X better wear protection. The oil is designed with Phosphorus Replacement Technology that preserves the catalytic converter and the emission system. It meets API SP/SN PLUS, ILSAC GF-6, GM dexos1 Gen 2, and other OEM specifications. Castrol EDGE High Mileage is a full synthetic motor oil that offers superior performance and protection for high mileage engines. It is available in different grades, including 5W-20, 5W-30, and 10W-30. Try Castrol EDGE High Mileage today and extend the life of your engine.

Product Features:
  • 10x better high temperature performance – as measured in seq iiih engine test vs. api sp limit
  • 6x better wear protection – as measured in seq iva test vs. latest test limit
  • From the makers of the No. 1 high mileage brand
  • Meets api sp/sn plus, ilsac gf-6, gm dexos1 gen 2, meets ford wss-m2c961-a1 and wss-m2c946-b1, meets engine test requirements of chrysler ms 6395 and 13340
  • Castrol edge offers engine oils that meet oem specification approvals or licenses that cover over 97.3% of the us car parc.
  • Available in the following grades: 5w-20, 5w-30, 10w-30, and 10w-40
  • Try castrol edge high mileage today
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Castrol – GTX 10W-30 High Mileage Synthetic Blend Motor Oil: 5 Quart (Part No.1597B0)

GTX 10W-30 High Mileage Synthetic Blend Motor Oil: 5 Quart

from

$30.99
Castrol GTX High Mileage motor oil is the leading consumer high-mileage brand. You won’t need to worry about using a high mileage oil or synthetic because this is both. It’s a synthetic blend engine oil that helps extend the life of your engine by protecting against sludge, wear and burn-off and also liquid engineered to protect your emission system. One of the leading causes of ‘check engine’ lights coming on in high mileage cars is actually catalytic converter failure, which can be caused by phosphorous in engine oil. While phosphorous is present in all engine oils for its ability to reduce wear, it is effectively poisonous to catalytic converters. Castrol GTX High Mileage Motor Oil is liquid engineered with Phosphorous Replacement Technology to replace some of the phosphorous with an advanced additive that maintains robust wear protection. When you want to extend the life of your high mileage engine and emission system and find out how many miles you can go on a high-mileage oil, there is no better choice than Castrol GTX High Mileage Motor Oil.

Product Features:
  • Phosphorus Replacement Technology to help extend the life of the emission system
  • Superior dispersancy that fights sludge build up
  • Exceptional oil burn-off protection exceeding industry standards (Based on API and ACEA volatility specifications)
  • Improved fuel economy (In 5W-20, 5W-30 and 10W-30 grades versus industry specifications)
  • Synthetic Blend Composition: Castrol GTX High Mileage Motor Oil is a synthetic blend, offering the benefits of both conventional and synthetic oils for superior engine protection.
  • Extended Engine Life: Designed to protect against sludge, wear, and burn-off, this motor oil helps extend the life of high mileage engines.
  • Optimal Viscosity: With an SAE oil weight of 10W-30, this motor oil provides excellent performance in a wide range of temperatures, ensuring reliable engine protection.
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FRAM – Conventional Heavy Duty 15W-40 Motor Oil: 1 Quart (Part No.F645)

Conventional Heavy Duty 15W-40 Motor Oil: 1 Quart

from

$6.99
FRAM Heavy Duty 15W-40 Diesel Oil is premium high performance diesel engine oil utilizing the latest in engine oil additive technology to offer the ultimate protection of your engine. Designed to meet or exceed the latest OEM and API CK-4 requirements, it is also backwards compatible to previous OEM and API specifications such as CJ-4, CI-4, CI-4+, and CH-4. STP 15W-40 Diesel Oil carries the API SN classification for use in gasoline engines and is an excellent choice for operators with mixed fleets. The FRAM HD 15W-40 diesel oil is specially designed to protect EGR/Low-Emission Diesel Engines while maximizing the durability of Diesel Particulate Filters (DPF’s).

Product Features:
  • High soot handling
  • Improved sludge control
  • Excellent component protection for corrosion and wear
  • Superior oxidation stability
  • Shear stable formulation
  • One oil for mixed Fleets
  • Exceptional oil consumption control.
  • ALWAYS REFER TO YOUR VEHICLES OPERATING MANUAL TO SELECT THE CORRECT GRADE OIL FOR YOUR ENGINE.
See More

Castrol – EDGE High Mileage 5W-30 Advanced Full Synthetic Engine Oil: 5 Qt (Part No.15906E)

EDGE High Mileage 5W-30 Advanced Full Synthetic Engine Oil: 5 Qt

from

$38.99
Castrol EDGE High Mileage with Fluid TITANIUM Technology is the natural choice for drivers who demand maximum performance from their high mileage cars, which often operate at extreme temperatures. Castrol EDGE High Mileage provides up to 10X better high temperature performance than the latest industry standard to ensure optimal protection and oil flow over the drive cycle. As your car ages, it can lose performance and efficiency and is also more prone to catalytic converter failure. Castrol EDGE High Mileage is liquid engineered with Phosphorous Replacement Technology to reduce harmful phosphorus to protect the catalytic converter and preserve the life of your emission system. Castrol EDGE High Mileage helps your car defy its miles and extend maximum performance.

Product Features:
  • Patented phosphorus replacement technology to help extend the life of your emission system
  • 10x better high temperature performance (as measured in sequence iiih engine test vs. api sp test limit)
  • 6x better wear protection (as measured in latest sequence iva engine test)
  • 1.4x better sludge protection (as measured in sequence vh engine test vs. api sp test limit)
  • Maximum Performance: Castrol EDGE High Mileage with Fluid TITANIUM Technology is designed to provide maximum performance for high mileage cars, even in extreme temperatures.
  • Protects Catalytic Converter: Castrol EDGE High Mileage is liquid engineered with Phosphorous Replacement Technology to reduce harmful phosphorus, protecting the catalytic converter and preserving the life of your emission system.
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Mobil 1 – Advanced Full Synthetic Engine Oil 10W-30 – 5 Quart (Part No.44898)

Advanced Full Synthetic Engine Oil 10W-30 - 5 Quart

from

$37.99
Mobil 1 advanced full synthetic motor oil 10W-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 10W-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 Americas leading synthetic motor oil brand at retail(4), 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 July 1, 2023.)

Product Features:
  • Mobil 1 advanced full-synthetic engine oil 10w-30 utilizes Mobil 1’s 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
  • 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: 122326
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Shell – T6 15W-40 Full Synthetic Heavy Duty Engine Oil, 1 Gallon (Part No.550050467)

T6 15W-40 Full Synthetic Heavy Duty Engine Oil, 1 Gallon

from

$34.99
The viscosity grade that we know our customers prefer and trust1, now available in a full synthetic product. Shell Rotella® T6 15W-40 Heavy Duty Engine Oil is a full synthetic product formulated for improved hard working protection.

Product Features:
  • Strong oxidation resistance in the new Volvo T-13 test, controls harmful acid build up, and easily exceeds the API CK-4 limits for oxidation and viscosity increase.
  • Improved oxidation resistance helps prevent deposits in the engine, maintain cleanliness, and prevent acid buildup, which can cause corrosive wear in the engine.
  • Excellent oil consumption control, through lower oil volatility in the Noack test compared to conventional Shell Rotella® T4 15W-40. Lower Volatility = Lower Oil Consumption.
  • Improved copper corrosion protection and lead corrosion protection, with an average of 50% more wear protection than required by API industry wear tests.
  • Better cold cranking properties and low temperature pumpability at -15°C compared to conventional and semi-synthetic Shell Rotella® 15W-40 products means that it reaches critical engine parts faster in colder temperatures, to minimize wear and make hard w
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Valvoline – Premium Blue One Solution GEN2 Conventional 15W-40 Engine Oil: Endorsed by Cummins, 1 Gallon (Part No.773780)

Premium Blue One Solution GEN2 Conventional 15W-40 Engine Oil: Endorsed by Cummins, 1 Gallon

from

$24.99
When the going gets tough, the tough get Valvoline Premium Blue. This premium heavy duty engine oil features proprietary One Solution GEN2 Technology designed to protect hardworking diesel, gasoline and natural gas engines in both on-highway and off-highway applications. Our patented, formula is engineered to outperform: resisting oxidation, deposits, corrosion and wear better than industry standards. No wonder it’s The Only One exclusively endorsed and recommended by Cummins for both on road and off highway applications. It’s specially formulated for faster and safer cold starts and has enhanced thermal properties for hot weather operations to help ensure year-round performance. Plus, extended drain intervals reduce oil changes so your engine can work longer between downtime.

Product Features:
  • EXCELLENT WEAR PROTECTION IN HEAVY DUTY APPLICATIONS that can take a toll on critical internal moving parts
  • RESISTS OXIDATION AND FIGHTS DEPOSITS with high quality base oils and special inhibitors
  • PROTECTS DURING COLD START UPS WHILE CONTROLING SOOT as heavy-duty equipment can sit idle for extended periods of time
  • PROPRIETARY ONE SOLUTION GEN2 TECHNOLOGY designed to protect hardworking diesel, gasoline and natural gas engines in both on-highway and off-highway applications
  • UNIQUE 5,000 MILES OIL DRAINS EXTENSION in Cummins X15/X12 engines when average is 7mpg or higher
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FRAM – Conventional 5W30 Engine Oil with Low-Speed Pre-Ignition Control – 1 Qt (Part No.F620)

Conventional 5W30 Engine Oil with Low-Speed Pre-Ignition Control - 1 Qt

from

$6.49
FRAM Engine Oil SAE 5W-30 utilizes a blend of high-quality conventional and synthetic 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 5W-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.
  • Reliable engine protection: FRAM Conventional Oil 5W30 1 QT utilizes a blend of high-quality conventional and synthetic base stocks coupled with a robust additive system to provide reliable engine protection across a broad range of operating conditions.
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Castrol – GTX High Mileage Synthetic Blend 10W-30 Motor Oil: Helps Protect Emission Systems, 1 Quart (Part No.149D6C)

GTX High Mileage Synthetic Blend 10W-30 Motor Oil: Helps Protect Emission Systems, 1 Quart

from

$10.49
Castrol® GTX® High Mileage motor oil is the leading consumer high-mileage brand. It’s a synthetic blend motor oil that helps extend the life of your engine by protecting against sludge, wear and burn-off. Castrol GTX High Mileage is also engineered to protect your emission system. One of the leading causes of ‘check engine’ lights coming on in high mileage cars is catalytic converter failure, which can be caused by phosphorous in engine oil. While phosphorous is present in all engine oils for its ability to reduce wear, it is effectively poisonous to catalytic converters. Castrol GTX High Mileage is formulated with Phosphorous Replacement Technology to replace some of the phosphorous with an advanced additive that maintains robust wear protection. When you want to extend the life of your high mileage engine and emission system, there is no better choice than Castrol GTX High Mileage.

Product Features:
  • Phosphorus Replacement Technology to help extend the life of the emission system
  • Superior dispersancy that fights sludge build up
  • Exceptional oil burn-off protection exceeding industry standards (based on API and ACEA volatility specifications)
  • Seal conditioners to help reduce leaks
  • Advanced additives that minimize engine wear
  • Improved fuel economy (in 5W-20, 5W-30 and 10W-30 grades versus industry specifications)
  • Meets or exceeds API SP/SN PLUS/SN and ILSAC GF-6 specs
  • Engine Longevity: Castrol GTX High Mileage motor oil is specifically designed to extend the life of high mileage engines by protecting against sludge, wear, and burn-off.
  • Emission System Protection: Engineered to safeguard your emission system, this motor oil helps prevent catalytic converter failure, a common cause of ‘check engine’ lights in high mileage vehicles.
  • Synthetic Blend Composition: This 10W-30 synthetic blend motor oil offers superior performance and protection compared to conventional oils, making it ideal for high mileage engines.
  • Trusted Brand: As a leading consumer high-mileage brand, Castrol GTX High Mileage provides reliable and effective engine protection, ensuring your vehicle runs smoothly for longer.
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Castrol – EDGE 10W-30 Full Synthetic Motor Oil, 5 Quart (Part No.1598B6)

EDGE 10W-30 Full Synthetic Motor Oil, 5 Quart

from

$37.99
Castrol EDGE 10W-30 Full Synthetic Motor Oil is Castrol’s strongest oil, ideal for drivers seeking the best in sludge protection, wear protection, and maximum engine performance. This oil is 3X stronger against viscosity breakdown than the leading full synthetic, 10X better in high-temperature performance, and offers 6X better wear protection. It meets API SP/SN PLUS, ILSAC GF-6, ACEA A1/B1, GM 6094M, and 4718M standards, and fulfills the engine test requirements of Chrysler MS 6395, ensuring top-tier performance and reliability. Unlock maximum performance with every drive.

Product Features:
  • 3X Stronger against viscosity breakdown than the leading full synthetic – Based on Kurt Orbahn test in 5W-30 grade
  • 10X Better High Temperature performance – As measured in Seq IIIH engine test vs. API SP limit
  • 6X Better Wear Protection – As measured in Seq IVA test vs. latest test limit
  • Meets API SP/SN PLUS, ILSAC GF-6, ACEA A1/B1, GM 6094M and 4718M, Meets engine test requirements of Chrysler MS 6395
  • Advanced Fluid TITANIUM Technology: Incorporates Fluid TITANIUM Technology, making it Castrol’s strongest oil for drivers who demand the best in sludge protection, wear protection, and maximum engine performance.
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Valvoline – Daily Protection 5W-30 Synthetic Blend Motor Oil, Easy Pour 5 Quart (Part No.881159)

Daily Protection 5W-30 Synthetic Blend Motor Oil, Easy Pour 5 Quart

from

$29.99
Valvoline Daily Protection Motor Oil is specially formulated to exceed industry standards for wear, deposit and sludge protection to help keep engines running like new. Developed with high quality additives and premium base oils, it’s designed to flow easily at cold temperatures, reducing wear at startup and providing added protection against motor oil breakdown in tough conditions. For enhanced fuel efficiency, choose Daily Protection Synthetic Blend 5W-20 or 5W-30. Developed with low-friction technology to support strong fuel economy.

Product Features:
  • Extra wear protection designed to help keep automotive engine parts like new
  • Added detergents help protect against sludge and deposits
  • High quality additives resist motor oil breakdown in tough conditions
  • Low-friction formula supports strong fuel efficiency
  • Premium formulation flows easily at low temperatures reducing wear at start-up
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Valvoline – High Mileage with MaxLife Technology Synthetic Blend 10W-30 Engine Oil: Maximize Engine Life, 1 Quart (Part No.797976)

High Mileage with MaxLife Technology Synthetic Blend 10W-30 Engine Oil: Maximize Engine Life, 1 Quart

from

$9.99
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 High Mileage Synthetic Blend Engine Oil is specially designed for engines with over 75,000 miles, providing greater protection and maximizing engine life.
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Mobil Delvac – 1300 Super 15W-40 Synthetic Blend Heavy Duty Diesel Engine Oil, 1 Gallon (Part No.44819)

1300 Super 15W-40 Synthetic Blend Heavy Duty Diesel Engine Oil, 1 Gallon

from

$23.99
Mobil Delvac 15W-40 are extra high performance diesel engine oils that help extend engine life in the most severe on And off-highway applications while delivering outstanding performance in modern, high-output, low-emission engines including those with Exhaust Gas Recirculation And Aftertreatment Systems with Diesel Particulate Filters And Diesel Oxidation Catalysts. Fully backwards compatible, Mobil Delvac will also deliver the same exceptional performance in older conventional engines. As a result, they meet or exceed the requirements of the API CJ-4, CI-4 PLUS And CH-4 service categories as well as key Original Equipment Manufacture requirements for 2007 engines.

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: 122492
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Castrol – GTX 10W-30 Conventional Motor Oil, Helps Extend Engine Life, 5 Quart (Part No.15B7AA)

GTX 10W-30 Conventional Motor Oil, Helps Extend Engine Life, 5 Quart

from

$29.99
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.
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FRAM – 10W-40 High Mileage Conventional Motor Oil, Helps Reduce Leaks, 5 Quart (Part No.F670-5QT)

10W-40 High Mileage Conventional Motor Oil, Helps Reduce Leaks, 5 Quart

from

$25.99
FRAM Conventional High Mileage 10W40 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 10W40 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.

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.
  • Engine Cleaning and Efficiency: Formulated to help clean out sludge buildup, keeping engines running clean with increased efficiency and power.
  • Versatile Protection: Suitable for 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.
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Mobil 1 – Extended Performance 5W-30 Full Synthetic Motor Oil, 1 Quart (Part No.14976)

Extended Performance 5W-30 Full Synthetic Motor Oil, 1 Quart

from

$12.99
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®.
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1991 Chevrolet G20 Motor Oil

Maybe you’re in the middle of a full rebuild of that 1991 Chevrolet G20. Maybe you just need a couple of Motor Oil. Either way, Advance Auto Parts has 66 different Motor Oil in our inventory ranging from $5.89 to $108.99. That means you can find the exact parts or products you need to keep that 1991 Chevrolet G20 running smoothly.

Motor Oil are only as good as their brand. We stock 8 different brands to make sure you have plenty of trusted parts to choose from for your 1991 Chevrolet G20. Mobil Oil, Castrol, and Fram are just some of the brands we stock. Search for brands you know or compare prices and reviews to help you decide!

We know you’ll find the perfect Motor Oil for your 1991 Chevrolet G20, but don’t take our word for it – read our customer ratings and reviews and buy with confidence. Out of the 55,501 reviews in this category, some of the top rated parts include Advanced Full Synthetic 5W-30 Engine Oil: Maximizes Engine Life, 1 Quart with 4.9 stars and GTX High Mileage Synthetic Blend 5W-30 Engine Oil: Helps Protect Emission Systems, 1 Quart with 4.8 stars.

So if you’re in the market for aftermarket Motor Oil to keep your 1991 Chevrolet G20 rolling for years to come, look no further. Shop online and have your products shipped direct to your door, or pick up at the nearest Advance Auto Parts location today!

Motor Oil Brands To Make Your 1991 Chevrolet G20 Last

Simple repair, complete replacement, or a full rebuild. No matter the job, your 1991 Chevrolet G20 demands trusted brand parts and products to keep it running. Many trusted brands of Motor Oil make up Advance Auto Parts’ inventory, and all are ready to help make your G20 the best it can be. Be sure to browse some of our top Motor Oil brands and parts.

FAQs for 1991 Chevrolet G20 Motor Oil

What are the most purchased Motor Oil for the 1991 Chevrolet G20?

Out of 66 Motor Oil for the 1991 Chevrolet G20, the most popular in our inventory are:
Full Synthetic 5W-30 Dexos1 Gen 3 Engine Oil: 5 Quart
from $27.99
This product is not rated
Full Synthetic 5W-30 Dexos1 Gen 3 Engine Oil: 5 Quart
Engine Oil

What are the top-rated 1991 Chevrolet G20 Motor Oil?

Top-rated Motor Oil for your 1991 Chevrolet G20 based on customer reviews/ratings are:
T6 15W-40 Full Synthetic Heavy Duty Engine Oil, 1 Gallon
from $34.99
(478)
T6 15W-40 Full Synthetic Heavy Duty Engine Oil, 1 Gallon
“Great price”