1991 Audi 90 Motor Oil

Essential 1991 Audi 90 Motor Oil

FRAM – 20W-50 Conventional Motor Oil, Reliable Engine Protection, 1 Quart (Part No.F650)

20W-50 Conventional Motor Oil, Reliable Engine Protection, 1 Quart

from

$6.49
FRAM Engine Oil SAE 20W-50 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 20W-50 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 20W-50 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.
  • High-Quality Conventional Base Stocks: FRAM Engine Oil SAE 20W-50 utilizes a blend of high-quality conventional base stocks for reliable engine protection.
  • Versatile Compatibility: Suitable for modern gas-direct engines (GDI), turbo gas-direct engines (TGDI), and older carbureted or normally fuel-injected gasoline engine designs.
  • Meets Industry Standards: Complies with API SP, SN Plus, SN, SM, and ILSAC GF-6A, GF-5, and earlier API and ILSAC Service Categories.
  • Broad Operating Range: Designed to provide reliable engine protection across a broad range of operating conditions.
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Castrol – EDGE Euro Car 5W-40 A3/B4 Full Synthetic Engine Oil 5 Quart (Part No.15B6FE)

EDGE Euro Car 5W-40 A3/B4 Full Synthetic Engine Oil 5 Quart

from

$37.99
CASTROL EDGE Euro Car 5W-40 A3/B4 Full Synthetic Motor Oil is a high-performance motor oil that is designed to provide superior engine protection and performance. This full-synthetic motor oil is optimized to deliver 40% better performance than other synthetic oils and is recommended by leading auto manufacturers. It provides engine protection for the entire drain interval and meets API CF/SN, ACEA A3/B4, BMW LL 01, MB Approval 229.5/226.5, and VW 502 00/505 00 specifications. This motor oil is 10x stronger against high-temperature oil thickening and helps improve fuel economy. It is formulated for the latest technology, high-output engines that operate at extreme temperatures and covers European OEM gasoline specifications for BMW, Mercedes-Benz, Porsche, and VW/Audi.

Product Features:
  • Optimized to deliver 40% better performance than required by acea standards
  • Recommended by world leading auto manufacturers
  • Engine protection for the entire drain interval even under extreme pressure of high output engines
  • Meets api cf/sn, acea a3/b4, bmw ll 01, mb approval 229.3/229.5, porsche a40, vw 502 00/505 00, renault rn 0700/0710
  • 10x stronger against high temperature oil thickening vs. industry standards(seq iiih vs api sn plus limits)
  • Helps improve fuel economy
  • Exceeds: acea a3/b4. api sn/cf, bmw longlife-01, mb-approval 229.3, porsche a40, vw 502 00 / 505 00
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Castrol – GTX 20W-50 Conventional Motor Oil: Helps Protect Against Sludge Build Up, 1 Quart (Part No.151A8E)

GTX 20W-50 Conventional Motor Oil: Helps Protect Against Sludge Build Up, 1 Quart

from

$9.99
Castrol® GTX® is a premium conventional motor oil that has been helping to extend engine life for over 50 years. It continues to innovate to meet the needs of consumers and vehicle manufacturers and remains among the most trusted brands 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 not addressed, 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.

Product Features:
  • Premium quality base oils and anti-wear additives to help extend the life of your engine
  • Advanced protection against viscosity and thermal breakdown
  • Superior protection against engine sludge (when tested in engines with a high level of sludge)
  • Helps minimize oil consumption
  • Meets ILSAC GF-6 specs
  • Superior Performance: Exceeds tough industry standards in protecting against new oil splatter formation, providing superior performance and reliability.
  • Versatile Use: Suitable for a variety of driving conditions including heavy traffic, poor fuel quality, and harsh environments, making it a versatile choice for many vehicles.
  • High-Quality Composition: This conventional motor oil with SAE weight 20W-50 offers robust protection and performance, maintaining engine health and efficiency.
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FRAM – Conventional 10W30 Engine Oil with Low-Speed Pre-Ignition Control – 5 Qt (Part No.F630-5QT)

Conventional 10W30 Engine Oil with Low-Speed Pre-Ignition Control - 5 Qt

from

$25.99
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.
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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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Castrol – GTX High Mileage 5W-20 Synthetic Blend Engine Oil: 5 Quart (Part No.1597C4)

GTX High Mileage 5W-20 Synthetic Blend Engine 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)
  • Part synthetic oil: GTX High Mileage Engine Oil is a part synthetic oil that provides extra protection for older vehicles, making it an ideal choice for high mileage engines.
  • Protects against sludge, wear and burn-off: This synthetic blend engine oil helps extend the life of your engine by protecting against sludge, wear and burn-off, ensuring that your engine runs smoothly for longer.
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Castrol – EDGE 5W-20 Full Synthetic Engine Oil 1 Quart (Part No.152C82)

EDGE 5W-20 Full Synthetic Engine Oil 1 Quart

from

$11.99
CASTROL EDGE 5W-20 Full Synthetic Motor Oil 1 Quart is the perfect choice for drivers who want the best engine performance. This oil is Castrol’s strongest oil, formulated with Fluid TITANIUM Technology, which provides maximum sludge protection, wear protection, and engine performance. It is 3X stronger against viscosity breakdown than traditional oils, 10X better in high-temperature performance, and 6X better in wear protection. This oil meets API SP/SN PLUS, ILSAC GF-6, ACEA A1/B1, and other industry standards. It is a full synthetic oil with an SAE weight of 5W-20, which means it is suitable for use in most modern engines. With Castrol EDGE, you can 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, acea c5, gm dexos1 gen 2, meets ford wss-m2c960-a1 and wss-m2c945-b1, meets engine test requirements of chrysler ms 6395
  • Syntec Power Technology: The reformulated EDGE Engine Oil with Syntec Power Technology provides even better performance, making it the perfect choice for drivers who demand the best from their engines.
  • Full Synthetic Oil Composition: The oil composition of EDGE Engine Oil is full synthetic, providing superior protection against sludge buildup and wear, ensuring maximum engine performance.
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Castrol – EDGE 5W-20 Advanced Full Synthetic Motor Oil: 5 Quart (Part No.15B9AD)

EDGE 5W-20 Advanced Full Synthetic Motor Oil: 5 Quart

from

$37.99
Castrol EDGE with Fluid TITANIUM Technology is Castrol’s strongest oil and the natural choice for drivers who want the best combination of sludge protection, wear protection and maximum engine performance. Unlock maximum performance with every drive. Today’s engines are smaller, more powerful and under more pressure than ever before. Castrol EDGE has been engineered to withstand the stress of modern engines and provides 10X better high temperature performance than the latest industry standard. Did you know that friction can waste up to 10% of an engine’s performance? Increased demands placed on the engine to deliver power and fuel efficiency create intense friction between critical engine parts. Castrol EDGE transforms its structure under pressure to keep metal apart and reduce friction for maximum engine performance and delivers 6X better wear protection than required by the latest Sequence IVA test limits.

Product Features:
  • 3X Stronger against viscosity breakdown than leading full synthetic (Based on Kurt Orbahn test in 5W-30 grade)
  • 10X Better High Temperature performance (As measured in Sequence IIIH engine test vs. API SP test limit)
  • 6X Better Wear Protection
  • 1.4X Better Sludge Protection (As measured in Sequence VH engine test vs. API SP test limit)
  • Advanced Fluid TITANIUM Technology: Castrol EDGE with Fluid TITANIUM Technology transforms its structure under pressure to keep metal parts apart and reduce friction, ensuring maximum engine performance.
  • Full Synthetic Composition: As a full synthetic motor oil, Castrol EDGE 5W-20 offers enhanced performance and protection compared to conventional oils.
  • Optimal for Modern Engines: Designed to meet the demands of today’s smaller, more powerful engines, ensuring they run smoothly and efficiently under intense conditions.
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FRAM – Full Synthetic 5W-30 dexos 1 Gen 3 Motor Oil: 1 Quart (Part No.F930)

Full Synthetic 5W-30 dexos 1 Gen 3 Motor Oil: 1 Quart

from

$7.49
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 dexos®1 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 dexos®1 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.
  • Ultimate Engine Protection: FRAM Engine Oil Full Synthetic SAE 5W-30 meets stringent API: SP, SN, SM, SL, SJ, GM dexos«1 Gen 3, and ILSAC GF-6A specifications, ensuring top-tier protection for your engine.
  • Advanced Additive Technology: Specifically formulated to prevent low-speed pre-ignition (LSPI), a major concern for vehicles with gas-direct engine (GDI) and turbo gas-direct engine (TGDI) designs, reducing the risk of premature engine failure.
  • Enhanced Wear Protection: Provides increased wear protection, oxidation, and shear stability over previous oil categories, extending the life of your engine.
  • Versatile Compatibility: Suitable for use in carbureted, normally fuel-injected engines, and the rigorous environment of GDI and TGDI engines, offering broad application versatility.
  • Fully Licensed GM dexos«1 Gen 3: This oil is a fully licensed GM dexos«1 Gen 3 motor oil, ensuring it meets the high standards set by General Motors for optimal engine performance.
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FRAM – 5W20 High Milage Conventional Motor Oil, Helps Restore Seal Condition, 1 Quart (Part No.F662)

5W20 High Milage Conventional Motor Oil, Helps Restore Seal Condition, 1 Quart

from

$6.49
FRAM Conventional High Mileage 5W20 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 5W20 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 5W20 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.
  • Specially formulated for high mileage engines: FRAM High Mileage 5W20 1 QT is designed with enhanced additives to help reduce leaks and oil consumption in worn or higher mileage engines, making it an ideal choice for vehicles with over 75,000 miles.
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Mobil Super – 10W-30 Full Synthetic Motor Oil, 1 Quart (Part No.27737)

10W-30 Full Synthetic Motor Oil, 1 Quart

from

$8.49
Mobil Super Synthetic 10W-30 full synthetic motor oils are engineered to provide outstanding engine protection in a wide variety of weather and driving conditions. Mobil Super helps to protect critical engine parts across a broad range of temperatures (up to 400 degrees Fahrenheit) without oxidative oil thickening and oil breakdown. Mobil Super Synthetic oils are specially formulated to help protect engines of all ages, and allows easy starting and rapid oil circulation during cold starts to protect critical engine parts. Meets or exceeds the latest industry specifications and API SN resource conserving. For our ultimate in performance and protection, consider our Mobil 1 motor oils, a family of advanced full synthetic engine oil.

Product Features:
  • Full synthetic motor oil engineered to provide outstanding engine protection for vehicles of all ages in a wide variety of weather and driving conditions
  • Helps to protect critical engine parts across a broad range of temperatures (up to 400 degrees F) without oxidative oil thickening and oil breakdown
  • Specially formulated to help easy starting and rapid oil circulation during cold starts to protect critical engine parts
  • Helps to control oil consumption and loss and provides protection beyond our conventional-synthetic blended products
  • Meets or exceeds the latest industry specifications and API SN resource conserving
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Castrol – GTX High Mileage 5W-30 Synthetic Blend Engine Oil: 5 Quart (Part No.15980E)

GTX High Mileage 5W-30 Synthetic Blend Engine 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)
  • Provides extra protection for older vehicles: Castrol GTX High Mileage Engine Oil is specifically designed to provide extra protection for high mileage engines, helping to extend the life of your vehicle.
  • Synthetic blend composition: This engine oil is a synthetic blend, combining the benefits of both conventional and synthetic oils to provide superior protection against sludge, wear, and burn-off.
See More

Castrol – EDGE Euro Car 5W-40 A3/B4 Full Synthetic Engine Oil 1 Quart (Part No.152C7E)

EDGE Euro Car 5W-40 A3/B4 Full Synthetic Engine Oil 1 Quart

from

$12.49
CASTROL EDGE Euro Car 5W-40 A3/B4 Full Synthetic Motor Oil is a high-performance engine oil that is specifically designed for the latest technology, high output engines that operate at extreme temperatures. This full-synthetic motor oil is formulated to deliver 40% better performance than other motor oils, and it is recommended by world-leading auto manufacturers. It provides engine protection for the entire drain interval and meets API CF/SN, ACEA A3/B4, BMW LL 01, MB Approval 229.5/226.5, and Porsche A40 specifications. This motor oil is Porsche-approved except for Cayenne V6 and MB-Approved 229.5. It transforms under pressure, increasing film strength to prevent oil breakdown and reduce friction to unlock maximum performance. This fluid covers European OEM gasoline specifications for BMW, Mercedes-Benz, Porsche, and VW/Audi.

Product Features:
  • Optimized to deliver 40% better performance than required by acea standards
  • Recommended by world leading auto manufacturers
  • Engine protection for the entire drain interval even under extreme pressure of high output engines
  • Meets api cf/sn, acea a3/b4, bmw ll 01, mb approval 229.3/229.5, porsche a40, vw 502 00/505 00, renault rn 0700/0710
  • Porsche-approved except cayenne v6; mb-approval 229.3
  • SYNTEC Technology: The reformulated EDGE Engine Oil features SYNTEC Technology, which enhances its performance and provides even better protection for your engine.
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Castrol – Conventional 10W-40 Engine Oil – 5 Qt – Helps Extend Engine Life (Part No.15982E)

Conventional 10W-40 Engine Oil - 5 Qt - Helps Extend Engine Life

from

$31.99
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
  • Unsurpassed thermal breakdown protection: GTX Engine Oil, 10W-40 provides superior protection against thermal breakdown, ensuring that your engine stays protected even under extreme temperatures.
  • Prevents harmful sludge build-up: GTX Engine Oil, 10W-40 is specially engineered to prevent the build-up of harmful sludge, which can rob your engine of its power and ultimately its life.
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Castrol – EDGE 5W-30 Advanced Full Synthetic Engine Oil: 5 Quart (Part No.1598B1)

EDGE 5W-30 Advanced Full Synthetic Engine Oil: 5 Quart

from

$37.99
Castrol EDGE with Fluid TITANIUM Technology is Castrol’s strongest oil and the natural choice for drivers who want the best combination of sludge protection, wear protection and maximum engine performance. Unlock maximum performance with every drive. Today’s engines are smaller, more powerful and under more pressure than ever before. Castrol EDGE has been engineered to withstand the stress of modern engines and provides 10X better high temperature performance than the latest industry standard. Did you know that friction can waste up to 10% of an engine’s performance? Increased demands placed on the engine to deliver power and fuel efficiency create intense friction between critical engine parts. Castrol EDGE transforms its structure under pressure to keep metal apart and reduce friction for maximum engine performance and delivers 6X better wear protection than required by the latest Sequence IVA test limits.

Product Features:
  • 3x stronger against viscosity breakdown than leading full synthetic (based on kurt orbahn test in 5W-30 grade)
  • 10x better high temperature performance (as measured in sequence iiih engine test vs. api sp test limit)
  • 6x better wear protection
  • 1.4x better sludge protection (as measured in sequence vh engine test vs. api sp test limit)
  • Full Synthetic Oil Composition: Castrol EDGE w/SPT Engine Oil is a full synthetic oil that contains new powerful dispersant molecules, providing superior engine protection and performance.
  • Strongest Oil: Castrol EDGE with Fluid TITANIUM Technology is Castrol’s strongest oil, providing the best combination of sludge protection, wear protection, and maximum engine performance.
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LIQUI MOLY – HighTech Full Synthetic 5W-40 Engine Oil: Gas & Diesel, Reduces Oil And Fuel Consumption, 5 Liter (Part No.2332)

HighTech Full Synthetic 5W-40 Engine Oil: Gas & Diesel, Reduces Oil And Fuel Consumption, 5 Liter

from

$49.99
Liqui Moly’s Leichtlauf High Tech 5W-40 is a fully synthetic, premium low-friction engine oil for all-season use in gasoline and diesel engines without diesel particulate filters (DPF). The combination of innovative base oils – based on synthesis technology and the latest additive technology – guarantees an engine oil that reduces oil and fuel consumption and that ensures fast lubrication of the engine. Depending on the manufacturer instructions, oil change intervals of up to 40,000 km are possible. Ideally suited for modern gasoline and diesel engines with multi-valve technology, turbocharger and with or without charge air cooling. Especially suitable where there are long intervals between changes and heavy duty engine requirements.

Product Features:
  • All season use reliable at high and low temperatures
  • Suited for modern gasoline and diesel engines with multivalve technology, turbocharger and with or without charge air cooling
  • An engine oil that reduces oil and fuel consumption
  • Ensures fast lubrication of the engine
  • Made in germany
  • Low-friction formula: Leichtlauf LIQUI-MOLY Synthetic Engine Oil 5W-40 is a premium, fully synthetic engine oil that reduces oil and fuel consumption, thanks to its low-friction formula.
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Castrol – EDGE Euro Car 5W-30 C3 Full Synthetic Engine Oil 1 Quart (Part No.154BC4)

EDGE Euro Car 5W-30 C3 Full Synthetic Engine Oil 1 Quart

from

$12.49
CASTROL EDGE Euro Car 5W-30 C3 Full Synthetic Motor Oil is a high-performance engine oil that is designed to provide superior protection to the latest technology, high output engines that operate at extreme temperatures. This full-synthetic motor oil is formulated to transform under pressure, increasing film strength to prevent oil breakdown and reduce friction to unlock maximum performance. It is optimized to deliver 40% better performance than other motor oils and is recommended by world-leading auto manufacturers. This motor oil provides engine protection for the entire drain interval and meets API CF/SN, ACEA A3/B4, ACEA C3, GM dexos2 specifications. It is suitable for European OEM diesel specifications for Mercedes-Benz and VW/Audi. This motor oil was formerly known as Castrol SLX and is available in a 1-quart container.

Product Features:
  • Optimized to deliver 40% better performance than required by acea standards
  • Recommended by world leading auto manufacturers
  • Engine protection for the entire drain interval even under extreme pressure of high output engines
  • Meets api cf/sn, acea a3/b4, acea c3, gm dexos2, mb approval 229.31/229.51, vw 505 00/505 01, renault rn 0700/0710
  • Formerly known as castrol slx
  • Syntec Power Technology: The reformulated EDGE Engine Oil now features Syntec Power Technology, which enhances its performance even further.
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FRAM – 5 Qt Conventional 5W20 Engine Oil with Low-Speed Pre-Ignition Control (Part No.F610-5QT)

5 Qt Conventional 5W20 Engine Oil with Low-Speed Pre-Ignition Control

from

$25.99
FRAM Engine Oil SAE 5W-20 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-20 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-20 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 5W20 5 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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FRAM – Conventional 20W50 Engine Oil – Low-Speed Pre-Ignition Control – 5 Qt (Part No.F650-5QT)

Conventional 20W50 Engine Oil - Low-Speed Pre-Ignition Control - 5 Qt

from

$25.99
FRAM Engine Oil SAE 20W-50 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 20W-50 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 20W-50 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 20W50 5 QT utilizes a blend of high-quality conventional base stocks and a robust additive system to provide reliable engine protection across a broad range of operating conditions.
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Valvoline – European Vehicle Full Synthetic 5W-40 Engine Oil: For Gasoline & Diesel Engines, 5 Quart (Part No.881166)

European Vehicle Full Synthetic 5W-40 Engine Oil: For Gasoline & Diesel Engines, 5 Quart

from

$35.99
European engines need a premium motor oil designed to help them last. Valvoline European Vehicle Full Synthetic Motor Oil. It’s the motor oil specially developed to extend the life of European-made gasoline and diesel engines. Our exclusive formula uses top wear additives, premium antioxidants and added detergents to fight wear, resist oil breakdown and defend against deposits better than industry standards. Its exceptional range of temperature protection ensures your engine will be defended when the weather and road conditions get tough. This superior level of protection makes it the best choice for most Audi, BMW, Mercedes-Benz, Porsche, and VW vehicles. Engineered with ingenuity, tested with tenacity, and proven with purpose, our formula was innovated in America with a century and a half of hands-on experience from the original motor oil brand.

Product Features:
  • Advanced protection in european vehicles agains the four main causes of engine breakdown: wear friction heat and deposits
  • Extra wear protection vs. industry and oem standards with advanced anti-wear additives
  • Superior performance for european gasoline and diesel engines
  • Exceptional high/low temperature protection defends your engine no matter the climate or driving conditions
  • Meets or exceeds all requirements of api sp, acea a3/b3, a3/b4, mb 229.5, 229.3, &226.5, vw 50200/50500 & 50501, bmw ll-01 & ll-14fe+, porche a40, volvo 95200356, renault rn0700 & rn0710, psa b71 2296, and chrysler ms-12633/ ms-10725
  • Premium Protection: Valvoline European Vehicle Full Synthetic Engine Oil is specially designed to extend the life of European-made gasoline and diesel engines, providing premium protection against wear, oil breakdown, and deposits better than industry sta
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FRAM – 40W-HD Conventional Motor Oil, Reduces Engine Wear, 1 Quart (Part No.F540)

40W-HD Conventional Motor Oil, Reduces Engine Wear, 1 Quart

from

$6.49
FRAM Engine Oil SAE 40 is single grade or straight-viscosity motor oil that meets the stringent API SP, SN Plus / SN, SM, SL & CF specifications.. It contains a balanced blend of high VI base stocks and an advanced additive package to deliver superior performance. It is designed to provide thermal and oxidation stability, deposit control, anti-wear protection, corrosion protection and improved pumpability. FRAM Engine Oil SAE 40 may be used in turbo-charged or naturally aspirated foreign and domestic engines recommending straight weight API SP/CF quality oil. This motor oil exceeds the stringent lubricating performance requirements of American, European, Korean, Japanese and other worldwide engine manufacturers where straight weight engine oil is recommended.

Product Features:
  • Reduces Engine Wear
  • Turbo Approved
  • ALWAYS REFER TO YOUR VEHICLES OPERATING MANUAL TO SELECT THE CORRECT GRADE OIL FOR YOUR ENGINE
  • Superior Performance: FRAM Engine Oil SAE 40 features a balanced blend of high VI base stocks and an advanced additive package, ensuring top-notch performance for your engine.
  • Thermal and Oxidation Stability: Designed to provide excellent thermal and oxidation stability, this motor oil helps maintain engine efficiency and longevity.
  • Comprehensive Protection: Offers deposit control, anti-wear protection, and corrosion protection, safeguarding your engine against common wear and tear.
  • Meets Stringent Specifications: Exceeds the lubricating performance requirements of American, European, Korean, Japanese, and other worldwide engine manufacturers, ensuring reliability and peace of mind.
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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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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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Pentosin – HP 5W-30 Synthetic Engine Oil meets service class API SL/CL (Part No.8043107)

HP 5W-30 Synthetic Engine Oil meets service class API SL/CL

from

$31.99
Pentosin HP 5W-30 Synthetic Motor Oil is a high-performance engine oil that is fully synthetic and designed for modern vehicles with extended oil service intervals. It is suitable for use in both gasoline and diesel engines, including those with turbochargers, as well as non-turbocharged vehicles that require 5W-30 oil. This all-season motor oil offers excellent protection against motor oil sludge and fuel deposits, and it contains special friction modifiers that help to reduce engine wear and tear. Pentosin HP 5W-30 is formulated for long service life intervals, making it an ideal choice for drivers who want to keep their engines running smoothly and efficiently. It meets service class API SL/CL and is a standard full synthetic oil.

Product Features:
  • An all- season engine oil offering great protection against harsh start-up conditions and extreme temperature changes.
  • Formulated for long service life intervals.
  • Reduces engine oil sludge and fuel deposits.
  • Contains special friction modifiers which help the engine run smoothly and improve fuel economy.
  • Fully Synthetic Composition: PENTO HP 5W-30 1L is a fully synthetic engine oil, providing superior protection and performance for your vehicle’s engine.
  • High Performance Formula: This engine oil is specifically designed for high performance vehicles with extended oil service intervals, ensuring optimal engine performance and longevity.
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Mobil Super – 10W-30 Synthetic Blend Motor Oil, 1 Quart (Part No.97025)

10W-30 Synthetic Blend Motor Oil, 1 Quart

from

$5.89
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
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Castrol – GTX Magnatec 10W-30 Synthetic Blend Motor Oil (1 Quart) (Part No.15B0B4)

GTX Magnatec 10W-30 Synthetic Blend Motor Oil (1 Quart)

from

$9.49
The intelligent molecules in Castrol GTX MAGNATEC are what set it apart from other engine oils. These ultra-refined molecular components cling to the engine throughout all driving conditions, even when the engine is off. When the engine stops, oil drains back to the sump, but the intelligent molecules in Castrol GTX MAGNATEC don’t. They cling to critical engine parts like a magnet, providing an extra layer of protection from the start and throughout warm-up. Only Castrol GTX Magnatec is uniquely formulated to provide instant protection from the moment of start.

Product Features:
  • Cling to critical engine parts when the oil drains down
  • Add a layer of protection during warm-up and beyond
  • Dramatically reduce engine wear
  • Leave critical engine parts 4X smoother
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Castrol – 1 Qt Full Synthetic 5W-20 Engine Oil – 3X Stronger Against Viscosity Breakdown (Part No.15B743)

1 Qt Full Synthetic 5W-20 Engine Oil - 3X Stronger Against Viscosity Breakdown

from

$9.99
Castrol Ultraclean synthetic blend engine oil is our cleanest GTX ever. Environmental factors such as poor fuel quality, hot weather and stop-start driving conditions can lead to the buildup of sludge that can reduce engine life, power and fuel economy. Castrol Ultraclean has a double-action formula proven to clean away the sludge that can block engine oilways and helps prevent new sludge formation from occurring. In fact, it provides up to 1.4X better sludge protection than is demanded by the latest industry standard (as measured in the Sequence VH Sludge test vs. API SP test limits). No other oil keeps engines cleaner.

Product Features:
  • Premium-quality base oils and anti-wear additives that help extend the life of your engine
  • 1.4x superior sludge protection compared to tough industry standards, as measured in the sequence vh sludge test vs. api sp test limits
  • Advanced protection against viscosity and thermal breakdown
  • Superior protection against high-temperature deposits
  • Meets or exceeds api sp/sn plus/sn, ilsac gf-6 and latest ford specs
  • Unsurpassed thermal breakdown protection: GTX Engine Oil, 5W-20 provides superior protection against thermal breakdown, ensuring that your engine stays protected even under extreme temperatures.
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FRAM – Full Synthetic High Mileage 5W-20 Motor Oil: 1 Quart (Part No.F923)

Full Synthetic High Mileage 5W-20 Motor Oil: 1 Quart

from

$7.99
FRAM Full Synthetic High Mileage SAE 5W-20 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 5W-20 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 5W-20 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 5W-20 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.
  • Protection for Advanced Engine Designs: Specifically designed for gas-direct engine (GDI) and turbo gas-direct engine (TGDI) designs, providing increased protection and preventing low-speed pre-ignition (LSPI) which can lead to premature engine failure.
  • Increased Wear Protection and Stability: Provides increased wear protection, oxidation, and shear stability for higher mileage vehicles, ensuring long-lasting engine performance and reliability.
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1991 Audi 90 Motor Oil

Maybe you’re in the middle of a full rebuild of that 1991 Audi 90. Maybe you just need a couple of Motor Oil. Either way, Advance Auto Parts has 78 different Motor Oil in our inventory ranging from $6.49 to $114.99. That means you can find the exact parts or products you need to keep that 1991 Audi 90 running smoothly.

Motor Oil are only as good as their brand. We stock 6 different brands to make sure you have plenty of trusted parts to choose from for your 1991 Audi 90. Castrol, Fram, and Pentosin 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 Audi 90, but don’t take our word for it – read our customer ratings and reviews and buy with confidence. Out of the 13,060 reviews in this category, some of the top rated parts include EDGE 5W-30 Advanced Full Synthetic Motor Oil: 1 Quart with 4.9 stars and High Mileage with MaxLife Technology Synthetic Blend 10W-30 Motor Oil: Maximize Engine Life, 5 Quart with 4.8 stars.

So if you’re in the market for aftermarket Motor Oil to keep your 1991 Audi 90 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 Audi 90 Last

Simple repair, complete replacement, or a full rebuild. No matter the job, your 1991 Audi 90 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 90 the best it can be. Be sure to browse some of our top Motor Oil brands and parts.

FAQs for 1991 Audi 90 Motor Oil

What are the most purchased Motor Oil for the 1991 Audi 90?

Out of 78 Motor Oil for the 1991 Audi 90, 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 Audi 90 Motor Oil?

Top-rated Motor Oil for your 1991 Audi 90 based on customer reviews/ratings are:
EDGE 5W-30 Advanced Full Synthetic Motor Oil: 1 Quart
from $11.99
(442)
EDGE 5W-30 Advanced Full Synthetic Motor Oil: 1 Quart
“all my cars”