This page lists 25 cooling system parts for the 2019 Freightliner Columbia, across 6 part types, covering the 14.9L L6 DIESEL Turbocharged engine. Every part shows its brand, manufacturer part number and fitment notes.
On the 2019 Freightliner Columbia, the cooling system system keeps operating temperature in the narrow band the engine was designed for, from radiator and water pump to thermostat and hoses. Most of the listed parts are Coolant / Antifreeze (8 parts), Thermostat (6 parts) and Water Pump (4 parts). The other 3 part types cover the remaining 7 parts.
The 2019 Freightliner Columbia came with a single engine, the 14.9L L6 DIESEL Turbocharged, and every part is verified against it.
10 brands supply cooling system parts for the 2019 Freightliner Columbia, led by VALVOLINE (5 parts), MOTORAD (4 parts) and PRESTONE (3 parts), plus 7 more brands. Quality grades include Heavy Duty, Standard Replacement and Economy.
A "Popular" badge means the source catalog flagged the part as frequently chosen for the 2019 Freightliner Columbia. 4 parts have it, including VALVOLINE ZXG051 (Coolant / Antifreeze) and MOTORAD 406160 (Thermostat). Each part number opens a page with every vehicle that part fits.
Coolant / Antifreeze
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VALVOLINE | 719009 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Multi-Vehicle Yellow1 Gallon | View on Amazon |
Heavy Duty
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VALVOLINE Popular | ZXG051 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | G05 Yellow1 Gallon | View on Amazon |
| PRESTONE | AFC10000 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Command ESi PrechargedPurple | View on Amazon |
| PRESTONE | AFC13000 | 🇲🇽 MX | Command COR-Guard Nitrite Free-Noat Extended Life CoolantRed | View on Amazon |
| PRESTONE | AFC12100 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Command Nitrite Free Extended Life CoolantYellow Nitrite Free OAT | View on Amazon |
| VALVOLINE | 846439 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | HD Nitrite Free Extended Life Yellow1 Gallon | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VALVOLINE Popular | ZX001 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Original Green1 Gallon | View on Amazon |
| VALVOLINE | 861399 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | G40 Pink1 Gallon | View on Amazon |
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.
8 Coolant / Antifreeze parts are listed for the 2019 Freightliner Columbia, from VALVOLINE and PRESTONE. VALVOLINE ZXG051 carries the "Popular" badge.
In the Economy grade, VALVOLINE supplies 1 part: the catalog's value-priced group. A representative part number is VALVOLINE 719009.
The Heavy Duty section lists 5 options from PRESTONE and VALVOLINE — rated for severe service. VALVOLINE ZXG051 is listed in this group.
The Standard Replacement section lists 2 options from VALVOLINE — built to original-equipment specification. VALVOLINE ZX001 is listed in this group.
Part numbers include VALVOLINE ZXG051, VALVOLINE 719009 and PRESTONE AFC10000, among others listed above.
Coolant Filter
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DONALDSON | P550867 | 🇲🇽 MX | Outer Diameter: 93 mm (3.66")Length: 147 mm (5.79") | View on Amazon |
| DONALDSON | P550866 | 🇲🇽 MX | Coolant filter, spin-On SCA plus | View on Amazon |
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.
DONALDSON supplies both parts for the 2019 Freightliner Columbia.
Listed part numbers: DONALDSON P550867 and DONALDSON P550866.
Intercooler
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GPD | 2711465 | 🇲🇽 MX | with 4 IN Inletwith 4 IN Outlet | View on Amazon |
| SPECTRA PREMIUM | 44011709 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Charge Air Coolers | View on Amazon |
| SPECTRA PREMIUM | 44011715 | 🇲🇽 MX | Charge Air Coolers | View on Amazon |
This table covers the intercoolers that cool turbo or supercharger charge air.
3 Intercooler parts are listed for the 2019 Freightliner Columbia, from SPECTRA PREMIUM and GPD.
This group includes GPD 2711465, SPECTRA PREMIUM 44011709 and SPECTRA PREMIUM 44011715.
Thermostat
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOTORAD Popular | 406160 | 🇲🇽 MX | Includes Seal | View on Amazon |
| MOTORAD Popular | 406190 | 🇲🇽 MX | Includes Seal | View on Amazon |
| CALORSTAT | THS1910582 | 🇲🇽 MX | PerformanceDoes Not Include Seal | View on Amazon |
| CALORSTAT | THS1910588 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Does not include seal | View on Amazon |
| MOTORAD | 407825 | 🇲🇽 MX | 225 Degrees Ffor Engine Oil Cooler System | View on Amazon |
| MOTORAD | 406180 | 🇲🇽 MX | Includes Seal | View on Amazon |
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.
6 Thermostat parts for the 2019 Freightliner Columbia come from 2 brands — MOTORAD and CALORSTAT. The "Popular" part is MOTORAD 406160.
This group includes MOTORAD 406160, MOTORAD 406190 and CALORSTAT THS1910582 and the remaining parts above.
Thermostat / Thermostat Housing / Water Outlet Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DAYTON | 6745008G | 🇲🇽 MX | Housing To Cylinder HeadEngine Code ISX 15.0 | View on Amazon |
| DAYTON | 6745003G | 🇲🇽 MX | Housing To FlangeEngine Code ISX 15.0 | View on Amazon |
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.
DAYTON supplies both parts for the 2019 Freightliner Columbia.
Listed part numbers: DAYTON 6745008G and DAYTON 6745003G.
Water Pump
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FVP | 1962230 | 🇲🇽 MX | Engine Code ISXwithout Water Pump Housing | View on Amazon |
| FVP | 1962230AH | 🇲🇽 MX | Engine Code ISXTwo-Piece Pump | View on Amazon |
| GMB | 1962230 | 🇲🇽 MX | Engine Code ISXwithout Water Pump Housing | View on Amazon |
| GMB | 1962230AH | 🇲🇽 MX | Engine Code ISXTwo-Piece Pump | View on Amazon |
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.
4 Water Pump parts for the 2019 Freightliner Columbia come from 2 brands — FVP and GMB.
Listed part numbers: FVP 1962230 and FVP 1962230AH, plus the other parts above.
Buying Cooling System Parts for a 2019 Freightliner Columbia
On this vehicle, the cooling system system keeps operating temperature in the narrow band the engine was designed for, from radiator and water pump to thermostat and hoses.
- Confirm you have the 14.9L L6 DIESEL Turbocharged engine — every part on this page is matched to it.
- Read the notes on each row for position, trim and spec qualifiers before you order.
- Where labor overlaps, replace the thermostat and refill with fresh coolant whenever you change a water pump or radiator; original hoses on an older vehicle are on borrowed time.
- Cross-reference the manufacturer part number against your old part or a service-manual listing.
Start with the largest groups on this page: Coolant / Antifreeze and Thermostat .
Frequently Asked Questions
How many cooling system parts fit the 2019 Freightliner Columbia?
Our catalog currently lists 25 cooling system parts for the 2019 Freightliner Columbia across 6 subcategories and 10 brands, covering the 14.9L L6 DIESEL Turbocharged engine. Each part is matched to the engine(s) it fits.
What are the signs of cooling system problems on a 2019 Freightliner Columbia?
Common symptoms include a rising temperature gauge in traffic, sweet-smelling steam, crusty deposits around hose clamps, or a heater that blows cold. If you notice any of these, identify the affected subcategory above and cross-reference the part numbers listed.
What should I replace at the same time?
Where labor overlaps, replace the thermostat and refill with fresh coolant whenever you change a water pump or radiator; original hoses on an older vehicle are on borrowed time.
What do the market flags (US, CA, MX) on each part mean?
They show the market for which the manufacturer published application data for that part — where the vehicle was first sold, not where the part was made. If your 2019 Freightliner Columbia was originally sold in the US, the safest choice is a part marked for the US market.
How do I make sure a part fits my 2019 Freightliner Columbia?
Every part on this page is matched to the 14.9L L6 DIESEL Turbocharged engine. Then replace coolant with the exact specification the manufacturer calls for — mixing chemistries can gel and block small passages. The notes column carries position and trim qualifiers where they apply.
Other Parts for the 2019 Freightliner Columbia
Cooling System Parts for Other Freightliner Columbia Years
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Manufacturer names, model designations and part numbers are used for identification and fitment reference only. AutoFactsDB is an independent catalog and is not affiliated with, endorsed by, or sponsored by any vehicle manufacturer displayed on this page.