40-0009051 Water tube, For G3400, D 3400 G 2300, D2300 series Hercules engines. In line radiator tee/access point for block heaters or coolant level swith 287218-00 This will be items 20

This will be items 20 and 21 in the Lister Petter drawing

the replacement thermostat uses a rubber seal at the flange and a slightly smaller control spring

RD-50 and the RD-90 screeners

This will be items 12 and 13 on the Lister Petter drawing

0 L General Motors engines

40-0009051 Water tube, For G3400, D 3400 G 2300, D2300 series Hercules engines. In line radiator tee/access point for block heaters or coolant level swith 287218-00 This will be items 2040 0009051 Tee to access the coolant system on any model of engine whether for a Hercules engine or any other brand of engine. The O. D. of the tube is 2 inches and the small threaded outlet is 1 2 inch NPT This is a adaptive hose product that can be used in any application, doesn't have to be only a engine purpose.