Below you will find the best synthetic oil for a 1991 Mercury COUGAR. 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 Cougar
| Product Name | Product Description | Capacities | Product |
|---|---|---|---|
| Signature Series 5W-30 Synthetic Motor Oil | Save time and money and costly repairs at the auto shop! Amsoil has your back! Bullet proof your Cougar's engine! | With filter 4.5 quarts After refill check oil level. |
ASLQT-EA
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| XL 5W-30 Synthetic Motor Oil | Protect your Cougar with the best synthetic oil! Amsoil backs up all claims with proof! Support American Oil! | With filter 4.5 quarts After refill check oil level. |
XLFQT-EA
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| OE 5W-30 Synthetic Motor Oil | AMSOIL OE Synthetic Motor Oil is specially made for the extended oil change intervals recommended for your 1991 Mercury Cougar 3.8L. It has advanced synthetic technology that resists chemical breakdown for maximum wear protection for your vehicle which is well beyond the traditional 3,000-mile oil change interval. | With filter 4.5 quarts After refill check oil level. |
OEFQT-EA
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Recommended oil filters for my 1991 Cougar
| Product Name | Product Description | Product |
|---|---|---|
| AMSOIL Ea Oil Filters | Use this oil filter with Amsoil synthetic oil! Recommended for 25,000 miles/one year, whichever comes first, for normal driving conditions or 15,000 miles/one year, whichever comes first for severe conditions. Protect your 1991 Mercury Cougar and enjoy longer service intervals while reducing engine wear with this filter! |
EAO34-EA
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| WIX Oil Filter | Wix oil filters for your 1991 Mercury Cougar have extended OEM recommendations which match the drain intervals of AMSOIL XL synthetic motor oil which is 12k or 1 year, whichever is first. |
51516-EA
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| WIX Crankcase Filter | This is a WIX crankcase filter for your 1991 Mercury Cougar. |
46976-EA
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Recommended transmission fluids for my 1991 Cougar
| Product Name | Note | Capacities | Product Description | Product |
|---|---|---|---|---|
| Signature Series Multi-Vehicle Synthetic Automatic Transmission Fluid | Automatic Transmission Fluid (1) This specification has been updated from Mercon to Mercon V per TSB 06-14-4 |
4 speed AOD Total Fill 12.3 quarts 3 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 (1) This specification has been updated from Mercon to Mercon V per TSB 06-14-4 |
4 speed AOD Total Fill 12.3 quarts 3 quarts Initial Fill | Outsanding protection and resists varnish! Change interval based on your Cougar's recommendation. |
OTFQT-EA
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| Torque-Drive® Synthetic Automatic Transmission Fluid | Automatic Transmission Fluid (1) This specification has been updated from Mercon to Mercon V per TSB 06-14-4 |
4 speed AOD Total Fill 12.3 quarts 3 quarts Initial Fill | Awesome protection under extreme temperature! Protect heavy-duty transmissions with this made in the USA oil. Follow the service interval in your owner's manual. Protect your Mercury. |
ATD1G-EA
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Differential for my Mercury Cougar
| Product Name | Note | Capacities | Product Description | Product |
|---|---|---|---|---|
| SEVERE GEAR® 80W-90 | (1) Identification: see upper left differential tag, code on plate at driver's door. |
With 7.5 RG Rear 3 pints Fill to no more than 1/4 to 9/16 inch below fill plug hole.
With 8.8 RG Rear 3.2 pints Fill to no more than 1/4 to 9/16 inch below fill plug hole. |
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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| SEVERE GEAR® 75W-90 | (1) Identification: see upper left differential tag, code on plate at driver's door. |
With 7.5 RG Rear 3 pints Fill to no more than 1/4 to 9/16 inch below fill plug hole.
With 8.8 RG Rear 3.2 pints Fill to no more than 1/4 to 9/16 inch below fill plug hole. |
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 | (1) Identification: see upper left differential tag, code on plate at driver's door. |
With 7.5 RG Rear 3 pints Fill to no more than 1/4 to 9/16 inch below fill plug hole.
With 8.8 RG Rear 3.2 pints Fill to no more than 1/4 to 9/16 inch below fill plug hole. |
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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Recommended coolants for my Mercury Cougar
| Product Name | Product Description | Capacities | Product |
|---|---|---|---|
| Passenger Car & Light Truck Antifreeze & Coolant | maximum protection for your 1991 Mercury Cougar 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 Mercury Cougar for up to 150,000 miles or five years! (whichever comes first). Biodegradable! |
ANT1G-EA
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Are you tired of constantly maintaining all your family's vehicles? We've got some good news for you! Synthetic oil by Amsoil can save you time in the long run. Unlike conventional oils, synthetic oils last longer and reduce the need for frequent oil changes. This means more time enjoying your vehicles and less time spent on maintenance! Plus, Amsoil synthetic oils provide superior wear protection for your engine, helping to prevent costly repairs. Say goodbye to conventional oil and switch to Amsoil synthetic oil to save time and hassle. Bonus tip! Change all the oils in the same week so that you do not have to worry about it for a while and all of your vehicles have the same oil change date! Thank you for visiting our site!
