Below you will find the best synthetic oil for a 1991 Porsche 911. Maximize your vehicle's potential with 100% full synthetic oil that is made in the USA! For more than the past 50 years, AMSOIL has perfected the art of maximizing efficiency and engine life. The advanced synthetic formulas deliver superior protection from heat, friction, and wear, keeping engines as good as new for miles. Upgrade to AMSOIL today and experience better performance, reliability, and reduced oil consumption. Click add to cart for more details. Sign up as a preferred customer and get discounts and more! The oil type, capacity and oil filter (if available) are listed below and verified for accuracy. Upgrade now!
Recommended oil for my 1991 911
| Product Name | Product Description | Capacities | Product |
|---|---|---|---|
| SAE 5W-40 MS Synthetic European Motor Oil | Amsoil is high technology oil and leaves the competition behind! Get the best for your 911. | With filter 9.9 quarts Add 6.1 liters (6.5 qt). Run the engine at idle and add another 3.0 liters (3.2 qt). With engine warm and running check the reservoir dipstick. Do not fill to MAX level. Oil level must be between the MIN and MAX gradients. Draining time is 20 minutes. |
AFLQT-EA
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| SAE 5W-40 FS Synthetic European Motor Oil | Our European Car Formula Synthetic Motor Oil provides superior performance and protection for your 1991 Porsche. It meets a wide variety of specifications and approved by various manufacturers. European Car Formula has a broad range of viscosities and different levels of emissions system protection so that sensitive emissions systems operating efficiently. Follow drain intervals recommended by your manufacturer or as stated in the vehicle's manual. | With filter 9.9 quarts Add 6.1 liters (6.5 qt). Run the engine at idle and add another 3.0 liters (3.2 qt). With engine warm and running check the reservoir dipstick. Do not fill to MAX level. Oil level must be between the MIN and MAX gradients. Draining time is 20 minutes. |
EFMQT-EA
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| SAE 0W-40 FS Synthetic European Motor Oil | Our European Car Formula Synthetic Motor Oil provides awesome performance and protection for your 1991 Porsche. It meets a wide variety of specs and approved by various manufacturers. European Car Formula has a broad range of viscosities and different levels of emissions system protection so that sensitive emissions systems operating efficiently. Follow drain intervals recommended by the manufacturer or check your owner's manual. | With filter 9.9 quarts Add 6.1 liters (6.5 qt). Run the engine at idle and add another 3.0 liters (3.2 qt). With engine warm and running check the reservoir dipstick. Do not fill to MAX level. Oil level must be between the MIN and MAX gradients. Draining time is 20 minutes. |
EFOQT-EA
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Recommended oil filters for my 1991 911
| Product Name | Product Description | Product |
|---|---|---|
| MANN-FILTERS Oil Filters | MANN-FILTER filters for your 1991 Porsche 911 will remove dirt, dust, carbon deposits and soot. Should be changed as recommended by Porsche. |
W71922-EA
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Recommended transmission fluids for my 1991 911
| Product Name | Note | Capacities | Product Description | Product |
|---|---|---|---|---|
| SEVERE GEAR® 75W-90 | Manual Transmission Fluid |
G50/52 (5-SPD) 7.8 pints | This special formula is made for harsh operating conditions that pick-up trucks endure. Also top-notch protection for SUVs, heavy equipment, and other heavy-duty vehicles. Made in the USA. |
SVGPK-EA
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| SEVERE GEAR® 75W-110 | Manual Transmission Fluid |
G50/52 (5-SPD) 7.8 pints | This is a fantastic lubricant for towing trailers, heavy duty hauling, off road driving/4x4, commercial applications, and for race enthusiasts. This severe gear lube will protect bearings, gears from friction and exceeds performance of any regular gear oil out there! Keep your truck or vehicle out of the shop and avoid costly repairs with this made in the USA lube. |
SVTPK-EA
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| SEVERE GEAR® 80W-90 | Manual Transmission Fluid |
G50/52 (5-SPD) 7.8 pints | This lube is made to exceed the requirements of equipment and all vehicles that require SAE 80W-90 viscosity. It is made with synthetic base oils and top additives without adding any wax. Amsoil Severe Gear is solid against thermal breakdown. Will give you awesome protection for bearings and gears and tough against heat which will help extend the life of your equipment and avoid costly repairs. Made in the U.S.A. |
AGLPK-EA
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| Signature Series Multi-Vehicle Synthetic Automatic Transmission Fluid | Automatic Transmission Fluid |
4 speed 4HP22HL Total Fill 9.5 quarts 3.2 quarts Initial Fill | Amsoil's Signature Series Multi-Vehicle Synthetic automatic transmission fluid is made to blow the doors off any regular or conventional ATF fluids on the market and our oil surpasses the performance needs of most vehicles. Protect your transmission and avoid costly repairs. This fluid has an advanced formula to give awesome top-notch protection under harsh operating conditions. Transmission repairs are expensive so protect your vehicle with this great fluid! |
ATFPK-EA
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| OE Multi-Vehicle Synthetic Automatic Transmission Fluid | Automatic Transmission Fluid |
4 speed 4HP22HL Total Fill 9.5 quarts 3.2 quarts Initial Fill | Outsanding protection and resists varnish! Change interval based on your 911's recommendation. |
OTFQT-EA
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Differential for my Porsche 911
| Product Name | Note | Capacities | Product Description | Product |
|---|---|---|---|---|
| SEVERE GEAR® 75W-90 |
AWD Front 2.5 pints Front differential is for 4WD models only.
With AT Rear 1.9 pints Final drive for Automatic transmission only. |
This special formula is made for harsh operating conditions that pick-up trucks endure. Also top-notch protection for SUVs, heavy equipment, and other heavy-duty vehicles. Made in the USA. |
SVGPK-EA
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|
| SEVERE GEAR® 75W-110 |
AWD Front 2.5 pints Front differential is for 4WD models only.
With AT Rear 1.9 pints Final drive for Automatic transmission only. |
This is a fantastic lubricant for towing trailers, heavy duty hauling, off road driving/4x4, commercial applications, and for race enthusiasts. This severe gear lube will protect bearings, gears from friction and exceeds performance of any regular gear oil out there! Keep your truck or vehicle out of the shop and avoid costly repairs with this made in the USA lube. |
SVTPK-EA
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|
| SEVERE GEAR® 80W-90 |
AWD Front 2.5 pints Front differential is for 4WD models only.
With AT Rear 1.9 pints Final drive for Automatic transmission only. |
This lube is made to exceed the requirements of equipment and all vehicles that require SAE 80W-90 viscosity. It is made with synthetic base oils and top additives without adding any wax. Amsoil Severe Gear is solid against thermal breakdown. Will give you awesome protection for bearings and gears and tough against heat which will help extend the life of your equipment and avoid costly repairs. Made in the U.S.A. |
AGLPK-EA
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Recommended coolants for my Porsche 911
| Product Name | Product Description | Capacities | Product |
|---|---|---|---|
| Passenger Car & Light Truck Antifreeze & Coolant | maximum protection for your 1991 Porsche 911 under extreme temperatures and operating conditions! Lasts up to 150,000 miles or five years! (whichever comes first) |
ANTPC1G-EA
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|
| Low Toxicity Antifreeze and Engine Coolant | Lasts in your 1991 Porsche 911 for up to 150,000 miles or five years! (whichever comes first). Biodegradable! |
ANT1G-EA
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Thank you for visiting our page where you will find the recommended oil for your Porsche 911. Amsoil offers awesome products such as synthetic engine oil, filters, transmission fluid, and environmentally friendly coolants for your Porsche 911. Amsoil is proudly made in the USA and will give you outstanding protection. No other synthetic can prove that they are better which was a challenge issued by Amsoil when it comes to protecting your engine which results in saving money on repairs and spending time on the things you like to do since you wont be waiting for hours at a shop to change your oil as Amsoil lasts for up to a year!
