2021 Freightliner 114SD 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

11 Coolant / Antifreeze parts are listed for the 2021 Freightliner 114SD, from PRESTONE, PEAK and VALVOLINE. PRESTONE AF3100 carries the "Popular" badge. 9 parts fit every engine; the other 2 are engine-specific.

The Compatible With All Colors section lists 1 option from PRESTONE — grouped under the catalog's "Compatible With All Colors" designation — the notes column spells out what sets them apart. PRESTONE AF3055 is listed in this group.

In the Economy grade, PRESTONE supplies 1 part: the catalog's value-priced group. A representative part number is PRESTONE AF3100.

The Heavy Duty section lists 6 options from PRESTONE, PEAK and VALVOLINE — rated for severe service. PEAK FCA1GAL is listed in this group.

The Premium section lists 2 options from PRESTONE — a step above OE specification in materials, tolerances or warranty terms. PRESTONE AF2100 is listed in this group.

The Standard Replacement section lists 1 option from VALVOLINE — built to original-equipment specification. VALVOLINE 861399 is listed in this group.

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 are listed for the 2021 Freightliner 114SD, from DONALDSON, HASTINGS / BALDWIN and WIX.

Listed part numbers: DONALDSON P551008, DONALDSON P554685 and HASTINGS / BALDWIN WC23, plus the other parts above.

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

6 Coolant Hose / Pipe parts are listed for the 2021 Freightliner 114SD, from CONTINENTAL and ACDELCO.

The Standard Replacement section: 2 options from CONTINENTAL. CONTINENTAL 57513 is listed in this group.

The Universal Hose (Straight, Bulk) section lists 1 option from ACDELCO — grouped under the catalog's "Universal Hose (Straight, Bulk)" designation — the notes column spells out what sets them apart. ACDELCO 30164 is listed in this group.

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

Listed part numbers: CONTINENTAL 57513, CONTINENTAL 57514 and ACDELCO 30164, plus the other parts above.

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

3 Intercooler parts are listed for the 2021 Freightliner 114SD, from SPECTRA PREMIUM and GPD.

This group includes GPD 2711526, SPECTRA PREMIUM 44011727 and SPECTRA PREMIUM 44011747.

This table covers the Intercooler Air Hose pipes. Read more

5 Intercooler Air Hose / Pipe parts are listed for the 2021 Freightliner 114SD, from GATES and CONTINENTAL.

Listed part numbers: CONTINENTAL 57513, CONTINENTAL 57514 and GATES 26203, 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

SPECTRA PREMIUM supplies both parts for the 2021 Freightliner 114SD. All of them fit every engine offered in the 2021 114SD.

Listed part numbers: SPECTRA PREMIUM 20011733 and SPECTRA PREMIUM 20011733P.

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

14 Radiator Hose parts for the 2021 Freightliner 114SD come from 2 brands — GATES and ACDELCO. The "Popular" part is GATES 21194.

Standard Replacement: 4 parts, from GATES and ACDELCO. A representative part number is GATES 21194.

Universal Hose (Straight, Bulk): 6 parts, from GATES and ACDELCO. A representative part number is GATES 24232.

4 further parts sit outside the graded sections, 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

18 Thermostat parts for the 2021 Freightliner 114SD come from 3 brands — MOTORAD, CALORSTAT and GATES. The "Popular" part is GATES 34148.

Heavy Duty: 2 parts, from GATES. A representative part number is GATES 34148.

Standard Replacement: 8 parts, from MOTORAD and CALORSTAT. A representative part number is MOTORAD 406190.

8 further parts sit outside the graded sections, 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

One part is listed for the 2021 Freightliner 114SD — 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

2 Water Pump parts for the 2021 Freightliner 114SD come from 2 brands — GATES and DAYCO.

The High Volume / Pressure section lists 1 option from GATES — grouped under the catalog's "High Volume / Pressure" designation — the notes column spells out what sets them apart. GATES 44057HD is listed in this group.

Standard Replacement: 1 part, from DAYCO. A representative part number is DAYCO DP783.

Part numbers include GATES 44057HD and DAYCO DP783.

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

One part is listed for the 2021 Freightliner 114SD — ELRING 004010.