751-40982 Thermostat 190.0 F, Used on the Lister Petter LPW/S/T series engines. LV1 Marine engines use the newer

Marine engines use the newer style housing (750-49090) which has a fitting on top to bleed off any trapped air in the system

But the difference was the distance between the pump and the cooler

201-30461 Decompression lever used on the T series engines

You can tell when someone purchased the pump and not the kit because they use a hodge podge of fitting

NSN part number

751-40982 Thermostat 190.0 F, Used on the Lister Petter LPW/S/T series engines. LV1 Marine engines use the newer751 40983 Lister Petter Thermostat 190. 0 F. Used on all LPW and LPWS series engines except builds 18, 74, 79, 84, 89, 102, 177, and 384, LPW4 build 84. All LPWT4 builds except 89, 374, 379, and 384. This will be item number 21 in the Lister Petter drawing