2018 Freightliner B2 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 2018 Freightliner B2 come from 3 brands — PRESTONE, VALVOLINE and PEAK. The "Popular" part is PRESTONE AF3100. 10 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 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 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

This group shows a single part: HASTINGS / BALDWIN WC8.

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 2018 Freightliner B2 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 2018 Freightliner B2 come from GATES.

This group includes GATES 26200 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

4 Radiator parts for the 2018 Freightliner B2 come from 2 brands — GPD and LILAND GLOBAL. Every part fits all 3 engine options (6.0L V8, 6.7L L6 DIESEL Turbocharged and 6.7L L6 Turbocharged).

The Economy section: 2 options from GPD. GPD 9282673 is listed in this group.

The Premium (All Aluminum Construction) section lists 2 options from LILAND GLOBAL — a step above OE specification in materials, tolerances or warranty terms. LILAND GLOBAL 2001019AA is listed in this group.

Listed part numbers: GPD 9282673, GPD 9282674 and LILAND GLOBAL 2001019AA, 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

GATES supplies both parts for the 2018 Freightliner B2.

The Standard Replacement section: 1 option from GATES. GATES 52168 is listed in this group.

The Universal Hose (Straight, Bulk) section lists 1 option from GATES — 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.

This group includes GATES 52168 and GATES 24232.

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

5 Thermostat parts are listed for the 2018 Freightliner B2, from MOTORAD, CALORSTAT and GATES. 1 part fits every engine; the other 4 are engine-specific.

This group includes CALORSTAT TH713082J, GATES 33915 and MOTORAD 400995 and the remaining 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

12 Water Pump parts are listed for the 2018 Freightliner B2, from US MOTOR WORKS, FVP, GMB and 3 other brands. US MOTOR WORKS US6009 carries the "Popular" badge.

Economy: 4 parts, from US MOTOR WORKS and FVP. 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: 5 options from GMB, DAYCO and MELLING. DAYCO DP172 is listed in this group.