2021 International MV 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 2021 International MV come from 3 brands — PRESTONE, VALVOLINE and PEAK. The "Popular" part is PRESTONE AF3100. Every part fits both the 6.7L L6 DIESEL Turbocharged and the 8.9L L6 DIESEL Turbocharged.

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 ZX001.

This table covers the Coolant filters. Typical signs include restricted flow — long cranking, weak airflow, or dirty fluid after a short interval. Seat the new filter so it cannot bypass, and use the grade the notes call for. Read more

This group shows a single part: HASTINGS / BALDWIN LOPRI.

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

2 Coolant Level Sensor parts for the 2021 International MV come from GPD.

This group includes GPD 1816403 and GPD 1816610.

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

One part is listed for the 2021 International MV — GPD 2421038.

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 2021 International MV, from GATES and MOTORAD. All of them fit every engine offered in the 2021 MV.

Listed part numbers: GATES 31405 and MOTORAD T39.

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

2 Intercooler parts for the 2021 International MV come from GPD. Every part fits both the 6.7L L6 DIESEL Turbocharged and the 8.9L L6 DIESEL Turbocharged.

Part numbers include GPD 2711608 and GPD 2711630.

This table covers the Intercooler Air Hose pipes. Read more

5 Intercooler Air Hose / Pipe parts for the 2021 International MV come from 2 brands — CONTINENTAL and GATES. 1 part fits every engine; the other 4 are engine-specific.

Listed part numbers: CONTINENTAL 57456, CONTINENTAL 57512 and CONTINENTAL 57513, 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 2021 International MV come from 2 brands — GPD and SPECTRA PREMIUM.

The Economy section: 1 option from GPD. GPD 9282784 is listed in this group.

Standard Replacement: 1 part, from SPECTRA PREMIUM. A representative part number is SPECTRA PREMIUM 20013534.

1 further part sits outside the graded sections, with the same engine-level match.

Part numbers include GPD 9282784 and SPECTRA PREMIUM 20013534, among others listed above.

This table covers the brackets that mount the Radiator Fan Clutch Bearing. Typical signs include a cracked mount, a rattle, or a bracket that no longer holds alignment. Confirm position in the notes. Many brackets look alike and bolt to different corners. Read more

This group shows a single part: GATES FB1019.

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

One part is listed for the 2021 International MV — GATES 51547.

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

8 Thermostat parts are listed for the 2021 International MV, from MOTORAD, GATES, CALORSTAT and 1 other brand. CALORSTAT TH713082J carries the "Popular" badge.

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

The Standard Replacement section: 3 options from MOTORAD and CALORSTAT. CALORSTAT TH713082J is listed in this group.

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

Part numbers include CALORSTAT TH713082J, GATES 34308 and MOTORAD 407160, among others listed 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

One part is listed for the 2021 International MV — DAYCO DP1732.