be2010b100002a

Coolant thermostat

Type be · topic 20.10 · version 0101 · 2020-01-15

Applies to: Engine 372.9 Engine 374.9 Engine 376.9 Engine 377.9 Engine 386.9

Where it sits

Function group 1 Engine › 20 Engine cooling system › 20.10 Coolant pump, coolant thermostat — Series 372 (models 9**) · Series 374 (models 9**) · Series 376 (models 9**) · Series 386 (models 9**)

EinPAS 15 Engine › 15.25 Engine cooling system › 15.25.30 Pump/thermostat/preheater — Series 372 (models 9**) · Series 374 (models 9**) · Series 376 (models 9**) · Series 386 (models 9**)

Also applies to engines/gearboxes: 377 9**

BE20.10-B-1000-02A

Coolant thermostat



Engine	372.9
Engine	374.9
Engine	376.9
Engine	377.9
Engine	386.9

Coolant thermostat

Number	Designation			Engine 374.905/907/908/950/951/952/953/978/979/985/986/987/988/989/990	Engine 372.9, 376.90/93/94/95/98/99
BE20.10-B-1001-02A	Nominal temperature and beginning of opening	Nominal	°C	83	83
		Beginning of opening	°C	81...85	81...85
BE20.10-B-1002-02A	Primary valve	Maximum opening	°C	95	95
		Minimum course	mm	8	8
BE20.10-B-1003-02A	Short-circuit valve	Totally closed	°C	92	92
		Stroke	mm	6...7,5	6...7,5

Coolant thermostat

Number	Designation			Engine 377.9 (except 377.987)	Engine 376.962/964
BE20.10-B-1001-02A	Nominal temperature and beginning of opening	Nominal	°C	83	83
		Beginning of opening	°C	81...85	81...85
BE20.10-B-1002-02A	Primary valve	Maximum opening	°C	95	95
		Minimum course	mm	8	8
BE20.10-B-1003-02A	Short-circuit valve	Totally closed	°C	92	92
		Stroke	mm	6...7,5	6...7,5

Coolant thermostat

Number	Designation			Engine 374.976/977/991/992/993/996, 377.987	Engine 374.980/981/982/984, 376.919/92/968/969/97
BE20.10-B-1001-02A	Nominal temperature and beginning of opening	Nominal	°C	86	79
		Beginning of opening	°C	84...86	77...81
BE20.10-B-1002-02A	Primary valve	Maximum opening	°C	95	94
		Minimum course	mm	8	8
BE20.10-B-1003-02A	Short-circuit valve	Totally closed	°C	92	91
		Stroke	mm	6...7,5	6...7,5

Coolant thermostat

Number	Designation			Engine 386.9
BE20.10-B-1001-02A	Nominal temperature and beginning of opening	Nominal	°C	71
		Beginning of opening	°C	69...73
BE20.10-B-1002-02A	Primary valve	Maximum opening	°C	85
		Minimum course	mm	8
BE20.10-B-1003-02A	Short-circuit valve	Totally closed	°C	82
		Stroke	mm	6...7,5