T-STAT KIT, 142 MERC CARB

1981 Up Standard Cooling with cast iron housing (Not for EFI engines)
5.7L GM IB, Beg B522506 End B525981.
5.7 GM Ski, Beg A338553 End B514626.
Mercruiser T-stat 59137Make sure to use the Mercruiser style thermostat and not an automotive style. If you use an automotive style it will cause the engine to run very cool on the guage but your exhaust manifold’s will be very hot.Bin Number (ISBN):0700