2017 Freightliner MT 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

12 Coolant / Antifreeze parts for the 2017 Freightliner MT come from 3 brands — PRESTONE, VALVOLINE and PEAK. The "Popular" part is PRESTONE AF3100. Every part fits both the 6.0L V8 and the 6.7L 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 1 option from PRESTONE — 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 hard pipes and extra hoses in the coolant circuit. Read more

3 Coolant Hose / Pipe parts for the 2017 Freightliner MT come from 3 brands — CONTINENTAL, DAYCO and GATES.

Part numbers include CONTINENTAL 65039, DAYCO 80245GL and GATES 26239.

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 2017 Freightliner MT come from GPD.

Listed part numbers: GPD 1816403 and GPD 1816610.

This table covers the Intercooler Air Hose pipes. Read more

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

This group includes CONTINENTAL 57512 and GATES 26201.

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

2 Radiator parts for the 2017 Freightliner MT come from SPECTRA PREMIUM. Every part fits both the 6.0L V8 and the 6.7L L6 DIESEL Turbocharged.

Part numbers include SPECTRA PREMIUM 20011737 and SPECTRA PREMIUM 20011737P.

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

12 Radiator Hose parts are listed for the 2017 Freightliner MT, from GATES, DAYCO, ACDELCO and 1 other brand. DAYCO 70577 carries the "Popular" badge.

The Standard Replacement section: 4 options from GATES, DAYCO and ACDELCO. DAYCO 70577 is listed in this group.

The Universal Hose (Straight, Bulk) section lists 2 options from GATES and CONTINENTAL — grouped under the catalog's "Universal Hose (Straight, Bulk)" designation — the notes column spells out what sets them apart. GATES 24232 is listed in this group.

6 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

8 Thermostat parts are listed for the 2017 Freightliner MT, from GATES, MOTORAD and CALORSTAT. GATES 34198 carries the "Popular" badge.

The Heavy Duty section: 1 option from GATES. GATES 34198S is listed in this group.

The Standard Replacement section: 4 options from MOTORAD, GATES and CALORSTAT. GATES 34198 is listed in this group.

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

Listed part numbers: GATES 34198, GATES 34198S and CALORSTAT TH713082J, plus the other 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

15 Water Pump parts are listed for the 2017 Freightliner MT, from US MOTOR WORKS, FVP, GMB and 4 other brands. US MOTOR WORKS US6009 carries the "Popular" badge.

Economy: 5 parts, from US MOTOR WORKS, FVP and SKP. A representative part number is US MOTOR WORKS US6009.

In the High Volume / Pressure grade, FVP, GATES and US MOTOR WORKS supply 3 parts: grouped under the catalog's "High Volume / Pressure" designation — the notes column spells out what sets them apart. A representative part number is FVP US7123H.

The Standard Replacement section: 7 options from GMB, DAYCO, MELLING and 1 other brand. DAYCO DP1000 is listed in this group.