1991 Audi 90 Oil and Lubricants

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.

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.

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.

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.

30W Small Engine 30W Conventional Oil: 1 Quart

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
• Engine Life Extension: Castrol« GTX« has been helping to extend engine life for over 50 years, making it one of the most trusted motor oil brands today.
• Conventional Oil Composition: As a premium conventional motor oil, Castrol« GTX« meets the needs of both consumers and vehicle manufacturers.
• Superior Performance: Exceeds tough industry standards by protecting against new oil splatter formation, ensuring optimal engine performance.
• Versatile SAE Weight: With an SAE oil weight of 10W-40, Castrol« GTX« is suitable for a wide range of vehicles, providing reliable protection and performance.

Mobil Super 10W-40 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. (Or your vehicle’s OEM recommended oil change interval, whichever is longer. Some limitations apply, see Mobil Super Limited Warranty: https://www.mobil.com/en/lubricants/for-personal-vehicles/our-products/mobil-limited-warranties/mobil-super-limited-warranty)

Product Features:

• Mobil Super synthetic blend motor oil 10W-40 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
• Manufacturer Part Number: 124402

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.

FRAM Engine Oil Full Synthetic SAE 5W-20 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 2 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-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 over previous oil categories. FRAM Engine Oil Full Synthetic SAE 5W-20 and is a fully licensed GM dexos®1 Gen 2 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-20 meets stringent API: SP, SN, SM, SL, SJ, GM dexos«1 Gen 2, 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 GDI and TGDI engines, thereby reducing the risk of pre-mature engine failure.
• Versatile Compatibility: Suitable for gas-direct engine (GDI), turbo gas-direct engine (TGDI), carbureted, and normally fuel-injected engines, making it a versatile choice for various engine types.
• Fully Licensed GM dexos«1 Gen 2: This oil is fully licensed as GM dexos«1 Gen 2 motor oil, ensuring it meets the high standards required by General Motors for optimal engine performance.

Febi stands for Solutions Made in Germany and is one of the leading manufacturers and suppliers of car and truck spare parts in the independent aftermarket.

Product Features:

• Original Febi spare parts
• Proven OE: Febi fulfills all eligibility requirements
• High driving comfort through the use of perfectly matched materials and impeccable design

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

Product Features:

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