2017 International Durastar Cooling System Parts

This table covers the engine coolants and antifreeze formulations specified for this cooling system. Typical signs include a rising temperature gauge, rusty or sludged coolant, or a heater that blows cold. Use the chemistry named in the notes. Mixing silicate, OAT and HOAT formulas can gel in the radiator. Read more

13 Coolant / Antifreeze parts for the 2017 International Durastar come from 3 brands — PRESTONE, VALVOLINE and PEAK. The "Popular" part is PRESTONE AF3100. 8 parts fit every engine; the other 5 are engine-specific.

In the Compatible With All Colors grade, PRESTONE supplies 1 part: grouped under the catalog's "Compatible With All Colors" designation — the notes column spells out what sets them apart. A representative part number is PRESTONE AF3055.

The Economy section lists 2 options from PRESTONE and VALVOLINE — the catalog's value-priced group. PRESTONE AF3100 is listed in this group.

In the Heavy Duty grade, PRESTONE, VALVOLINE and PEAK supply 7 parts: rated for severe service. A representative part number is VALVOLINE ZXG051.

In the Premium grade, PRESTONE supplies 2 parts: a step above OE specification in materials, tolerances or warranty terms. A representative part number is PRESTONE AF2100.

In the Standard Replacement grade, VALVOLINE supplies 1 part: built to original-equipment specification. A representative part number is VALVOLINE 861399.

This table covers the Coolant Level sensors. Typical signs include a warning lamp, a stored code, or a reading that drops out when the harness is wiggled. Inspect the connector and ground before replacing the sensor — wiring faults are often condemned as bad sensors. Read more

4 Coolant Level Sensor parts for the 2017 International Durastar come from 2 brands — GPD and DORMAN.

Part numbers include DORMAN 9047550, GPD 1816403 and GPD 1816610, among others listed above.

This table covers the overflow / expansion tanks that hold extra coolant. Read more

4 Coolant Reservoir parts are listed for the 2017 International Durastar, from DORMAN, GPD and SKP.

Part numbers include DORMAN 6035147, DORMAN 6035104 and GPD 2421015, among others listed above.

This table covers the caps on the overflow / expansion tank. Typical signs include a leak at the neck, a cap that will not hold pressure, or a missing tether. Match the pressure rating or thread in the notes — radiator, reservoir and fuel caps are not interchangeable. Read more

2 Coolant Reservoir Cap parts are listed for the 2017 International Durastar, from GATES and MOTORAD. 1 part fits every engine; the other 1 is engine-specific.

Listed part numbers: GATES 31405 and MOTORAD T39.

This table covers the adapters used to pressure-test this cooling system. Read more

2 Cooling System Tester Adapter parts for the 2017 International Durastar come from GATES.

Part numbers include GATES 31379 and GATES 31410.

This table covers the Hose clamps. Read more

This group shows a single part: DORMAN 9044000.

This table covers the intercoolers that cool turbo or supercharger charge air. Read more

5 Intercooler parts for the 2017 International Durastar come from 2 brands — GPD and SPECTRA PREMIUM. 2 parts fit every engine; the other 3 are engine-specific.

Part numbers include GPD 2711609, GPD 2711610 and GPD 2711527, among others listed above.

This table covers the Intercooler Air Hose pipes. Read more

6 Intercooler Air Hose / Pipe parts for the 2017 International Durastar come from 2 brands — CONTINENTAL and GATES.

Listed part numbers: CONTINENTAL 57512, CONTINENTAL 57513 and CONTINENTAL 57504, plus the other parts above.

This table covers the radiators that dump engine heat to airflow through the core. Typical signs include overheating in traffic, a wet core, or coolant that disappears with no puddle. Replace the cap if it cannot hold the rated pressure, and bleed the system after the swap. Read more

3 Radiator parts for the 2017 International Durastar come from 2 brands — GPD and SPECTRA PREMIUM.

This group includes GPD 9282784, GPD 9282643 and SPECTRA PREMIUM 20013534.

This table covers the upper, lower and connecting hoses between radiator, engine and reservoir. Typical signs include swelling, cracks, a soft spot, or a leak at a clamp. Replace adjacent aged hoses while the system is drained — they share the same heat cycle. Read more

3 Radiator Hose parts are listed for the 2017 International Durastar, from GATES and DAYCO.

This group includes DAYCO 70025, GATES 51547 and GATES 51548.

This table covers the thermostats that open the coolant circuit at the specified temperature. Typical signs include slow warm-up, a gauge that climbs in traffic, or heat that never quite arrives. Replace the housing gasket with the thermostat and bleed the system so a trapped air pocket does not cook the new part. Read more

7 Thermostat parts are listed for the 2017 International Durastar, from MOTORAD, GATES, CALORSTAT and 1 other brand.

The Heavy Duty section: 1 option from GATES. GATES 34308 is listed in this group.

The Standard Replacement section: 2 options from MOTORAD. MOTORAD 407160 is listed in this group.

4 ungrouped parts are not assigned to a grade, with the same engine-level match.

This group includes GATES 34308, MOTORAD 407160 and MOTORAD 407180 and the remaining parts above.

This table covers the pumps that circulate coolant through the block and radiator. Typical signs include coolant at the weep hole, pulley play, or a growl from the front of the engine. Replace the thermostat and refill with the specified coolant whenever the pump comes off. Read more

13 Water Pump parts are listed for the 2017 International Durastar, from FVP, GATES, US MOTOR WORKS and 4 other brands. GATES 43570HD carries the "Popular" badge.

Economy: 1 part, from FVP. A representative part number is FVP US69NX.

In the High Volume / Pressure grade, GATES, FVP and US MOTOR WORKS supply 4 parts: grouped under the catalog's "High Volume / Pressure" designation — the notes column spells out what sets them apart. A representative part number is GATES 43570HD.

The Standard Replacement section: 3 options from MELLING, DAYCO and GMB. MELLING MWP521 is listed in this group.

5 ungrouped parts are not assigned to a grade, with the same engine-level match.