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 Kit Contents

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	80.5mm	100mm	128mm	46mm
DT217M	80°C	43mm	92mm		55mm
DT218C	71°C	30mm	67mm	55.5mm	43.5mm
DT219A	82°C	33mm	72.5mm	81.5mm	15mm
DT227A	82°C	35.5mm	73mm	63mm	43mm
DT228A	82°C	30.5mm	82mm	77mm	32.5mm
DT229C	71°C	30.5mm	81.5mm	77mm	32mm
DT230D	88°C	0mm	81mm		0mm
DT231A	82°C	32mm	73mm	81.5mm	31.5mm
DT232C	71°C	39mm	73mm	88mm	14.5mm
DT233E	77°C	34mm	73mm	81.5mm	32.5mm
DT234D	88°C	35mm	73mm	81mm	32mm
DT235A	82°C	39mm	43.5mm	58.5mm	29mm
DT236A	82°C	30mm	73mm	91.5mm	41mm
DT237D	88°C	33.5mm	73mm	81mm	33mm
DT242A	82°C	0mm	110mm	82mm	0mm
DT252A	82°C	49.5mm	82mm	75mm	28mm
DT253H	85°C	25.5mm	56mm	43.5mm
DT254A	82°C	49mm	56mm	73.5mm	28.5mm
DT271A	82°C	34.5mm	60mm	56mm	28.5mm
DT272A	82°C	34mm	56mm	53.5mm	28.5mm