Below you will find the best synthetic oil for a 2018 Ford FLEX. 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 2018 Flex
| 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 Flex's engine! | With filter 6 quarts After refill check oil level. |
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| XL 5W-30 Synthetic Motor Oil | Protect your Flex with the best synthetic oil! Amsoil backs up all claims with proof! Support American Oil! | With filter 6 quarts After refill check oil level. |
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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 2018 Ford Flex 3.5L. 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 6 quarts After refill check oil level. |
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Recommended oil filters for my 2018 Flex
| Product Name | Product Description | Product |
|---|---|---|
| AMSOIL Ea Oil Filters | Give your 2018 Ford Flex protection for 25,000 miles/one year, whichever comes first, for normal driving condtiions or 15,000 miles/one year, whichever comes first for severe conditions. |
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Recommended transmission fluids for my 2018 Flex
| Product Name | Note | Capacities | Product Description | Product |
|---|---|---|---|---|
| Signature Series Fuel-Efficient Synthetic Automatic Transmission Fluid | Automatic Transmission Fluid |
6 speed 6F55 Total Fill 11.6 quarts | If a lighter viscosity is needed then this automatic transmission fluid provides top-notch protection! Recommended for Toyota, Ford, and General Motors transmissions. You will get the same awesome protection as Amsoil's Signature Series Multi-Vehicle automatic transmission fluid. Also recommended for vehicles that need GM DEXRON® VI, Ford MERCON® LV and SP, Honda DW-1, Nissan Matic-S, and Toyota WS fluid specifications. |
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| OE Fuel-Efficient Synthetic Automatic Transmission Fluid | Automatic Transmission Fluid |
6 speed 6F55 Total Fill 11.6 quarts | Outstanding protection and resists varnish! Change interval based on your Flex owner's manual. |
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Differential for my Ford Flex
| Product Name | Note | Capacities | Product Description | Product |
|---|---|---|---|---|
| SEVERE GEAR® 80W-90 | (1) Use SAE 80W-90 meeting Ford specification WSP-M2C197-A | AWD Rear 2.3 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. |
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| SEVERE GEAR® 75W-90 | (1) Use SAE 80W-90 meeting Ford specification WSP-M2C197-A | AWD Rear 2.3 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. |
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| SEVERE GEAR® 75W-110 | (1) Use SAE 80W-90 meeting Ford specification WSP-M2C197-A | AWD Rear 2.3 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. |
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| SEVERE GEAR® 75W-140 | (1) Use SAE 75W-140 synthetic rear axle lubricant. Motorcraft P/N XY-75W140-QL; Ford specification WSL-M2C192-A | PTU 1.1 pints | Made for high-demand situations, heavy trailer towing and hauling, great for off-road enthusiasts who demand more, commercial settings and racing enthusiasts. Protects gears and bearings from damage. Superior protection and beats out any regular gear oil. Recommended for many different vehicles. Trust Amsoil to protect your equipment and engine. Made in the USA! |
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Recommended coolants for my Ford Flex
| Product Name | Product Description | Capacities | Product |
|---|---|---|---|
| Passenger Car & Light Truck Antifreeze & Coolant | maximum protection for your 2018 Ford Flex under extreme temperatures and operating conditions! Lasts up to 150,000 miles or five years! (whichever comes first) |
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| Low Toxicity Antifreeze and Engine Coolant | Lasts in your 2018 Ford Flex for up to 150,000 miles or five years! (whichever comes first). Biodegradable! |
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Protect your car or truck from extreme hot and cold temperatures! If you live in a cold climate or endure snow and cold winters, then Amsoil is technologically engineered to get you going with awesome protection because synthetic oil will flow better to protect metal engine parts. If you use your car for Uber or Lyft and drive many miles for many hours then Amsoil is the best synthetic oil for you because it doesn't break down in extreme heat and high temperatures protecting your engine with awesome lubrication. Be sure to protect your transmission also. we have synthetic transmission fluid for your vehicle on this page as well the transmission capacity for your car or truck.
