Drive Belts & Kits

Drive Belt Automatic Tensioners

Drive Belt Idler & Tensioner Pulleys

Harmonic Balancers OEM Replacement

Harmonic Balancers Performance & Kits

Harmonic Balancers Engine Specific

Heater Tap Control Valves

Hose Air Intake

Hose Heater/Blanking Caps

Overrunning Alternator Pulleys

Radiator Caps Automotive

Radiator Coolant Tanks

Thermostats, Gaskets & Outlets

Thermostats Passenger Cars Thermostats Heavy Duty Thermostat gaskets Water Outlets

Timing Belt & Kits

Timing Chain Kits

Timing Belt - Hydraulic Automatic Tensioners (HAT)

Thermostats Heavy Duty

Dayco offers competitively priced, innovative and well-designed thermostats to fit the needs of today's Heavy Duty diesel engines.

Click on a column heading to sort the items in the list

Part number	Temperature	Flange to base	Flange diameter	Height	Vent valve
DT208A	82°C	82mm	97mm		46mm
DT217M	80°C	43mm	92mm		55mm
DT218C	71°C	26mm	67mm		43mm
DT219A	82°C	0mm	0mm		0mm
DT227A	82°C	32mm	68mm		43mm
DT228A	82°C	0mm	81mm		0mm
DT229C	71°C	0mm	81mm		0mm
DT230D	88°C	0mm	81mm		0mm
DT231A	82°C		73mm
DT232C	71°C	0mm	72.5mm
DT233E	77°C	0mm	72.8mm		0mm
DT234D	88°C	0mm	72.8mm		0mm
DT235A	82°C	34mm	43.4mm		28.8mm
DT236A	82°C	0mm	72.8mm		41mm
DT237D	88°C	0mm	73.6mm		0mm
DT242A	82°C	0mm	110mm		0mm
DT252A	82°C	43mm	82mm		27.2mm
DT253H	85°C	25.5mm	53.8mm		0mm
DT254A	82°C	32.3mm	53.8mm		28.29mm
DT271A	82°C	33.8mm	53.8mm		28mm
DT272A	82°C	32mm	53.8mm		28mm