GTS101 / 13H7508 THERMOSTAT.
Thermostat with bypass blanking plate so that when the thermostat opens at 82oC it cuts off the bypass outlet.
First fitted to the Leyland 344 and Leyland 384 that had the 4 bolt thermostat housing. Then fitted to all 4/98 and 6/98 engines.
82oC (180oF) - for temperate climates
or use BBU5149 74oC (165oF) for hot climates.