The OEM motorcraft alternator in my focus lasted 14 years and its replacement, a Remy, lasted 6. If the difference in price between OEM and aftermarket isn't too big, and you plan on keeping the car for more than 5 more yrs, I'd go with the OEM.
I run motorcraft in my mustang and have zero complaints.
switched to motorcraft filter runs like a champ.
Oem Motorcraft plugs are always my go-to. They generally last around 80k miles.
Penzoil ultra platinum with a Motorcraft oil filter.
My feeling is pick any reputable fully synthetic oil and stick to it. Make sure to change more sooner than later.
But my feeling is the filter makes all the difference some of those OE spec aftermarket are not as much OE spec. The Motorcraft filter has specific bypass valves that allow optimal oil pressure when you need it. This is crucial for a healthy 5.0 coyote motor.
298992 miles on factory fuel pump....
Never had a problem. OE pump still in it when I sold it.
Has anyone tried the Motorcraft SP594 plugs? They supercede from the SP542, which is said to be a 1 step colder plug for our cars. Currently running NGK 6510s but i think i got a "fake" set as i paid like $30 from Amazon for them. The SP594s I can get for $41 from Ford... so anyone have good results?
I’ve had a Motorcraft thermostat fail after 100mi on my Ford
The Motorcraft gold coolant that Ford used from the factory had silicates in it. It became a problem with the 6.0 because of the high temps of the EGR cooler, silicates turn to sand which clogs the EGR cooler which restricts flow of coolant to oil cooler which causes both to fail.
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