Depends on what it is, and whether it's mineral, semi-synthetic, or full synthetic. There isn't one oil which is used universally for all transfer cases. For the most part, you can expect to pay $4 - $10 per quart, depending on what exactly it is.
1 quart
2 litres
Steve's at $1.66 a quart. If the quality of the oil is the same, that's a better buy. You would save $1.08 a case. Go nuts.
two qt.
how do you check the oil for the front transfer case on a 1990 Toyota four runner
The transfer case uses ATF.
The cost of a quart of oil will depend on the brand of oil. A store brand of oil will cost under $2 dollars. A name brand oil can cost anywhere from $2.50 to $4.00 per quart.
About 2/3 of a quart of oil.
The transfer case for a 1977 Ford F-150 typically requires about 2 quarts of gear oil. It's important to use the appropriate type of oil, usually a GL-4 or GL-5 rated gear oil, depending on the specific transfer case model. Always check the owner's manual for the exact specifications and ensure the transfer case is filled to the proper level for optimal performance.
yes
Kalf a quart
one quart