Talked to a friend today at a wrecker. Gave me the following interchange.

Cherokee '86-90 4-150 (2.5L, VIN "H")
Commanche '86-90 4-150 (2.5L, VIN "H")
Premier '88-89 4-150 (2.5L, VIN "H")
Wagoneer '86-87 4-150 (2.5L, VIN "H")
Wrangler '87-90 4-150 (2.5L, VIN "H")

Hope this helps.

Dave
66 GMC- father /son project with the "GMC KID"
36 Chevy PU- 4x4 lifetime project
64 Skylark- wife says its hers