2017 Freightliner XC 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 2017 Freightliner XC come from 3 brands — PRESTONE, VALVOLINE and PEAK. The "Popular" part is PRESTONE AF3100. Every part fits both the 14.9L L6 DIESEL Turbocharged 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, PEAK, PRESTONE and VALVOLINE supply 8 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 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

2 Coolant Filter parts for the 2017 Freightliner XC come from WIX.

This group includes WIX 24113 and WIX 24112.

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 XC come from GPD.

Listed part numbers: GPD 1816403 and GPD 1816610.

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

This group shows a single part: SPECTRA PREMIUM 44011743.

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

This group shows a single part: SPECTRA PREMIUM 20011519.

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

5 Radiator Hose parts are listed for the 2017 Freightliner XC, from GATES, ACDELCO and DAYCO. GATES 21194 carries the "Popular" badge.

Part numbers include GATES 21194, ACDELCO 20125S and DAYCO 70920, among others listed 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

10 Thermostat parts are listed for the 2017 Freightliner XC, from MOTORAD, CALORSTAT and GATES. CALORSTAT TH713082J carries the "Popular" badge. 3 parts fit every engine; the other 7 are engine-specific.

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

2 Thermostat / Thermostat Housing / Water Outlet Seal parts for the 2017 Freightliner XC come from DAYTON.

Listed part numbers: 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

15 Water Pump parts are listed for the 2017 Freightliner XC, from US MOTOR WORKS, GMB, FVP and 2 other brands. US MOTOR WORKS US932 carries the "Popular" badge.

Economy: 3 parts, from FVP and US MOTOR WORKS. A representative part number is US MOTOR WORKS US932.

In the High Volume / Pressure grade, FVP and US MOTOR WORKS supply 2 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: 6 options from GMB, MELLING and DAYCO. GMB 1962230 is listed in this group.

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