Any brand of WD40 oil will work.
where is the fill port on a 2004 ford explorer rear end
No you can not, It will burn the rear end up. You must use 80W90 gear oil only.
In the Mustang of that year having a 6.75 in. rear end in it you would need 2.5 pints of gear oil. This is 90 wt. oil. If you have a 7.50 in. rear end, you would need 3.5 pints of the 90wt oil.
Yes, there is oil in "the rear end" . This is a planetary gear train to allow the rear wheels to rotate at correct speeds while the vehicle is turning. Oil is very necessary in these and is usually 80-90 weight.
80W90 gear oil.
SAE 90
yes
Hypoid Gear Oil 80/90
rear end lub is 90 weight oil. the kind is a personal preference.
85W90 Gear oil.
NO Rear bearings are lubricated with the rear end / gear oil.