2021 Freightliner Sprinter 2500 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

16 Coolant / Antifreeze parts for the 2021 Freightliner Sprinter 2500 come from 4 brands — PRESTONE, PEAK, VALVOLINE and 1 other brand. The "Popular" part is PRESTONE AF3100. 15 parts fit every engine; the other 1 is 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 3 options from PRESTONE, VALVOLINE and PEAK — the catalog's value-priced group. PRESTONE AF3100 is listed in this group.

In the Heavy Duty grade, PEAK and PRESTONE supply 2 parts: rated for severe service. A representative part number is PEAK FXA1GAL.

In the Premium grade, PRESTONE and PEAK supply 4 parts: a step above OE specification in materials, tolerances or warranty terms. A representative part number is PRESTONE AF2100.

In the Standard Replacement grade, PENTOSIN, VALVOLINE and PEAK supply 6 parts: built to original-equipment specification. A representative part number is VALVOLINE 861399.

This table covers the hard pipes and extra hoses in the coolant circuit. Read more

3 Coolant Hose / Pipe parts for the 2021 Freightliner Sprinter 2500 come from REIN.

This group includes REIN CHE0975, REIN CHE0891 and REIN CHE0889.

This table covers the seals at the Coolant Hose / Pipe. 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

ELRING supplies both parts for the 2021 Freightliner Sprinter 2500.

Listed part numbers: ELRING 284350 and ELRING 738760.

This table covers the seals at the Coolant Hose Connector / Flange. 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

One part is listed for the 2021 Freightliner Sprinter 2500 — ELRING 540890.

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

One part is listed for the 2021 Freightliner Sprinter 2500 — REIN CPE0029P.

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

This group shows a single part: GPD 2711574.

This table covers the Intercooler Air Hose pipes. Read more

This group shows a single part: REIN TCH0330.

This table covers the Radiator Fan clutches. Typical signs include slip at highway speed, chatter on takeoff, or a pedal that stays low. Resurface or replace the flywheel with the clutch — a heat-checked flywheel wastes the new disc. Read more

2 Radiator Fan Clutch parts for the 2021 Freightliner Sprinter 2500 come from 2 brands — FOUR SEASONS and HAYDEN.

Part numbers include FOUR SEASONS 46104 and HAYDEN 8302.

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

4 Radiator Hose parts are listed for the 2021 Freightliner Sprinter 2500, from DAYCO and REIN.

Listed part numbers: DAYCO 72838, DAYCO 72814 and REIN CHR0713, plus the other 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

2 Thermostat parts are listed for the 2021 Freightliner Sprinter 2500, from DORMAN and MOTORAD.

Economy: 1 part, from DORMAN. A representative part number is DORMAN 9025850.

The Standard Replacement section: 1 option from MOTORAD. MOTORAD 623189 is listed in this group.

This group includes DORMAN 9025850 and MOTORAD 623189.

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

7 Water Pump parts are listed for the 2021 Freightliner Sprinter 2500, from GMB, FVP, REIN and 2 other brands. GMB 1204400 carries the "Popular" badge.

Economy: 2 parts, from REIN and SKP. A representative part number is REIN WPA0531.

The Standard Replacement section: 5 options from GMB, FVP and DAYCO. GMB 1204400 is listed in this group.

Listed part numbers: GMB 1204400, REIN WPA0531 and SKP SK1473080, plus the other parts above.

This table covers the gaskets between the water pump and the block or housing. Typical signs include seepage at the joint, a burnt-oil smell, or a leak that appears only after a long drive. Clean both flanges and torque in the sequence the notes or the manual call for. Read more

This group shows a single part: ELRING 540880.