2015 International Prostar 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

15 Coolant / Antifreeze parts are listed for the 2015 International Prostar, from PRESTONE, VALVOLINE and PEAK. PRESTONE AF3100 carries the "Popular" badge. 12 parts fit every engine; the other 3 are engine-specific.

The Compatible With All Colors section lists 1 option from PRESTONE — grouped under the catalog's "Compatible With All Colors" designation — the notes column spells out what sets them apart. PRESTONE AF3055 is listed in this group.

In the Economy grade, PRESTONE and VALVOLINE supply 2 parts: the catalog's value-priced group. A representative part number is PRESTONE AF3100.

The Heavy Duty section lists 10 options from VALVOLINE, PEAK and PRESTONE — rated for severe service. VALVOLINE ZXG051 is listed in this group.

The Premium section lists 2 options from PRESTONE — a step above OE specification in materials, tolerances or warranty terms. PRESTONE AF2100 is listed in this group.

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

9 Coolant Filter parts are listed for the 2015 International Prostar, from WIX, HASTINGS / BALDWIN, DONALDSON and 1 other brand. WIX 24113 carries the "Popular" badge.

Listed part numbers: WIX 24113, WIX 24112 and DONALDSON P550867, plus the other parts above.

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

6 Coolant Reservoir parts for the 2015 International Prostar come from 3 brands — GPD, DORMAN and SKP.

This group includes DORMAN 6035247, DORMAN 6035105 and GPD 2421013 and the remaining parts 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

3 Coolant Reservoir Cap parts for the 2015 International Prostar come from 3 brands — DORMAN, GATES and MOTORAD. 2 parts fit every engine; the other 1 is engine-specific.

Listed part numbers: DORMAN 9025102, GATES 31405 and MOTORAD T39.

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

4 Cooling System Tester Adapter parts are listed for the 2015 International Prostar, from GATES and MOTORAD.

Listed part numbers: GATES 31379, GATES 31410 and MOTORAD 3132, plus the other parts above.

This table covers the Hose clamps. Read more

One part is listed for the 2015 International Prostar — DORMAN 9044000.

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

7 Intercooler parts are listed for the 2015 International Prostar, from GPD, OSC and SPECTRA PREMIUM. SPECTRA PREMIUM 44013529 carries the "Popular" badge. 5 parts fit every engine; the other 2 are engine-specific.

Part numbers include SPECTRA PREMIUM 44013529, GPD 2711500 and GPD 2711615, among others listed above.

This table covers the Intercooler Air Hose pipes. Read more

4 Intercooler Air Hose / Pipe parts are listed for the 2015 International Prostar, from CONTINENTAL and GATES.

Part numbers include CONTINENTAL 57504, CONTINENTAL 57513 and GATES 26200, among others listed 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

9 Radiator parts are listed for the 2015 International Prostar, from GPD, LILAND GLOBAL, ULTRA-POWER and 1 other brand. LILAND GLOBAL 3000805AA carries the "Popular" badge. All of them fit every engine offered in the 2015 Prostar.

Economy: 6 parts, from GPD and ULTRA-POWER. A representative part number is GPD 9282762.

In the Premium (All Aluminum Construction) grade, LILAND GLOBAL supplies 1 part: a step above OE specification in materials, tolerances or warranty terms. A representative part number is LILAND GLOBAL 3000805AA.

The Standard Replacement section lists 1 option from SPECTRA PREMIUM — built to original-equipment specification. SPECTRA PREMIUM 20013561P is listed in this group.

1 ungrouped part is not assigned to a grade, with the same engine-level match.

Listed part numbers: LILAND GLOBAL 3000805AA, GPD 9282762 and GPD 9282763, plus the other parts above.

This table covers the caps that hold system pressure at the radiator or reservoir neck. 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 Radiator Cap parts are listed for the 2015 International Prostar, from GATES and MOTORAD.

Listed part numbers: GATES 31567 and MOTORAD 100410.

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

8 Radiator Hose parts for the 2015 International Prostar come from 4 brands — CONTINENTAL, GATES, DAYCO and 1 other brand.

Standard Replacement: 2 parts, from CONTINENTAL and GATES. A representative part number is CONTINENTAL 62631.

In the Universal Hose (Straight, Bulk) grade, ACDELCO and GATES supply 2 parts: grouped under the catalog's "Universal Hose (Straight, Bulk)" designation — the notes column spells out what sets them apart. A representative part number is ACDELCO 31064.

4 further parts sit outside the graded sections, with the same engine-level match.

This group includes CONTINENTAL 62631, GATES 51546 and ACDELCO 31064 and the remaining parts above.

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

12 Thermostat parts for the 2015 International Prostar come from 3 brands — MOTORAD, CALORSTAT and GATES. The "Popular" part is GATES 34148.

Heavy Duty: 3 parts, from GATES. A representative part number is GATES 34148.

Standard Replacement: 7 parts, from MOTORAD and CALORSTAT. A representative part number is CALORSTAT THS1910582.

2 further parts sit outside the graded sections, with the same engine-level match.

This table covers the seals at the thermostat housing and water outlet. Typical signs include a wet housing, a drip after sitting, or fluid flung off a rotating shaft. Fix the surface the seal rides on. A new seal on a grooved shaft will leak again. Read more

DAYTON supplies both parts for the 2015 International Prostar.

This group includes DAYTON 6745008G and DAYTON 6745003G.

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 for the 2015 International Prostar come from 6 brands — US MOTOR WORKS, GMB, FVP and 3 other brands. The "Popular" part is US MOTOR WORKS US932.

The Economy section: 3 options from FVP and US MOTOR WORKS. US MOTOR WORKS US932 is listed in this group.

The High Volume / Pressure section lists 1 option from GATES — grouped under the catalog's "High Volume / Pressure" designation — the notes column spells out what sets them apart. GATES 45052HD is listed in this group.

Standard Replacement: 4 parts, from GMB and DAYCO. A representative part number is GMB 1962230.

5 further parts sit outside the graded sections, with the same engine-level match.