Yes the pump and fuel sending unit are the same for the 15 gal and 20 gallon setup
So what is the question about your 1991 Wrangler horn?
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The 1991 Wrangler had 15 inch wheels, the bolt pattern was 5X4.5
Not exactly. The body styles are different. A 1991 Jeep Wrangler is a YJ as a 1999 is a TJ. t
A 1991 Jeep Wrangler uses DOT 3 brake fluid.
no
No, they are a different bolt pattern.
Yes, 1986 to 1995 tops are interchangeable!
The correct factory tire size for a 1991 Jeep Wrangler is 235/75 R 15.
A 1991 Jeep Wrangler six cylinder holds six quarts of 10W30.
You did not say if 4 or 6 cylinder. But the thermostat is supposed to control the temp by when it opens to allow coolant to flow. I think stock was 195 degree F and that is what I have in my 1991 4.0L and the gauge registers around that.
Yes those are the same model of wrangler, the top will fit just fine.