Fan clutch part #
Chevy 4.6l v6 w AC works on Discos if you make the holes a tad bigger on fan. You can also get standard duty if you don't want them running full time.
Kragen etc.: Hayden 2786 (heavy-duty),
Ready-Aire 4858R (heavy-duty), Imperial 215158 (severe-duty)
NAPA: TEM 271312 (severe-duty)
AutoZone: includes hardware
Torqflo 922744 (heavy-duty), 922786 (severe-duty)
All - reverse rotation (serpentine belt!).