2017 Freightliner M2 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

14 Coolant / Antifreeze parts for the 2017 Freightliner M2 come from 3 brands — PRESTONE, VALVOLINE and PEAK. The "Popular" part is PRESTONE AF3100. 12 parts fit every engine; the other 2 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 2 parts: 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

4 Coolant Filter parts for the 2017 Freightliner M2 come from 3 brands — HASTINGS / BALDWIN, DONALDSON and WIX.

Part numbers include DONALDSON P551008, HASTINGS / BALDWIN P5092 and HASTINGS / BALDWIN WC16, among others listed above.

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

3 Coolant Level Sensor parts for the 2017 Freightliner M2 come from GPD.

Listed part numbers: GPD 1816403, GPD 1816610 and GPD 1816611.

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

8 Coolant Reservoir parts are listed for the 2017 Freightliner M2, from DORMAN, GPD, MAHLE / CLEVITE and 1 other brand. DORMAN 6035202 carries the "Popular" badge.

Listed part numbers: DORMAN 6035202, DORMAN 6035207 and DORMAN 6035203, plus the other 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

One part is listed for the 2017 Freightliner M2 — MOTORAD T46.

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

2 Cooling System Tester Adapter parts for the 2017 Freightliner M2 come from MOTORAD.

Listed part numbers: MOTORAD 3128 and MOTORAD 3127.

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

8 Intercooler parts for the 2017 Freightliner M2 come from 2 brands — GPD and SPECTRA PREMIUM. 1 part fits every engine; the other 7 are engine-specific.

Part numbers include GPD 2711526, GPD 2711597 and GPD 2711652, among others listed above.

This table covers the Intercooler Air Hose pipes. Read more

5 Intercooler Air Hose / Pipe parts for the 2017 Freightliner M2 come from 2 brands — CONTINENTAL and GATES.

Listed part numbers: CONTINENTAL 57513, CONTINENTAL 57514 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

16 Radiator parts for the 2017 Freightliner M2 come from 3 brands — GPD, SPECTRA PREMIUM and UAC. The "Popular" part is SPECTRA PREMIUM 20011743P.

The Economy section: 5 options from GPD. GPD 9282655 is listed in this group.

Standard Replacement: 6 parts, from SPECTRA PREMIUM and UAC. A representative part number is SPECTRA PREMIUM 20011743P.

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

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

5 Radiator Cap parts for the 2017 Freightliner M2 come from 3 brands — MOTORAD, CALORSTAT and SKP. The "Popular" part is MOTORAD T20.

Listed part numbers: MOTORAD T20, CALORSTAT RC0049 and MOTORAD MRD506, plus the other parts above.

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

23 Radiator Hose parts are listed for the 2017 Freightliner M2, from GATES, ACDELCO, DAYCO and 1 other brand. GATES 24047 carries the "Popular" badge.

The Standard Replacement section: 7 options from GATES, ACDELCO and DAYCO. GATES 24047 is listed in this group.

The Universal Hose (Straight, Bulk) section lists 4 options from GATES and ACDELCO — grouped under the catalog's "Universal Hose (Straight, Bulk)" designation — the notes column spells out what sets them apart. GATES 24240 is listed in this group.

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

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

14 Thermostat parts are listed for the 2017 Freightliner M2, from CALORSTAT, MOTORAD and GATES. GATES 34308 carries the "Popular" badge.

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

The Standard Replacement section: 6 options from CALORSTAT and MOTORAD. CALORSTAT TH713082J is listed in this group.

7 ungrouped parts are not assigned to a grade, 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

This group shows a single part: ELRING 004030.

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

22 Water Pump parts are listed for the 2017 Freightliner M2, from FVP, US MOTOR WORKS, GMB and 6 other brands. GATES 44057HD carries the "Popular" badge.

Economy: 3 parts, from FVP and WJB / INMOTION PARTS. A representative part number is FVP US0401.

In the High Volume / Pressure grade, GATES, FVP and US MOTOR WORKS supply 5 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 44057HD.

The Standard Replacement section: 6 options from GMB, DAYCO and MELLING. DAYCO DP1000 is listed in this group.

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

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 004010.