9 Cooling system parts are listed for the 1946 Humber Pullman, in 1 part type, covering the 4.1L 249cid L6 engine. Each one has a brand, a manufacturer part number and notes that say where it fits.
On the 1946 Humber Pullman, 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. Every listed part is Coolant / Antifreeze.
Every part on this page is matched to the 4.1L 249cid L6 — the only engine offered in the 1946 Humber Pullman.
The most listed brands for 1946 Humber Pullman cooling system parts are FVP (6 parts), VALVOLINE (2 parts) and PRESTONE (1 part). Quality grades include Standard Replacement, Economy and Heavy Duty.
2 parts on this 1946 Humber Pullman page carry a "Popular" badge — the source catalog's flag for options frequently chosen for this vehicle — including VALVOLINE ZXG051 (Coolant / Antifreeze) and PRESTONE AF3300 (Coolant / Antifreeze). Click any part number to see every vehicle that part fits.
Coolant / Antifreeze
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VALVOLINE | 719009 | 🇺🇸 US | Multi-Vehicle Yellow1 Gallon | View on Amazon |
Heavy Duty
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VALVOLINE Popular | ZXG051 | 🇺🇸 US | G05 Yellow1 Gallon | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PRESTONE Popular | AF3300 | 🇺🇸 US | Prime Conventional Green 1 Gallon | View on Amazon |
| FVP | GREEN5050GAL | 🇺🇸 US | Low Silicate Blend1 Gallon | View on Amazon |
| FVP | FMGRN5050GL | 🇺🇸 US | Green Antifreeze+CoolantConventional Low Silcate | View on Amazon |
| FVP | FVPGREENGAL | 🇺🇸 US | Green Antifreeze+CoolantConventional Low Silcate | View on Amazon |
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FVP | FMGRN5050GLF | 🇺🇸 US | Green Antifreeze+CoolantConventional Low Silcate | View on Amazon |
| FVP | FVPGREENGALF | 🇺🇸 US | Green Antifreeze+CoolantConventional Low Silcate | View on Amazon |
| FVP | GREEN55GALF | 🇺🇸 US | Low Silicate Concentrate 1/55 GAL | 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.
9 Coolant / Antifreeze parts for the 1946 Humber Pullman come from 3 brands — FVP, VALVOLINE and PRESTONE. The "Popular" part is VALVOLINE ZXG051.
The Economy section lists 1 option from VALVOLINE — the catalog's value-priced group. VALVOLINE 719009 is listed in this group.
In the Heavy Duty grade, VALVOLINE supplies 1 part: rated for severe service. A representative part number is VALVOLINE ZXG051.
In the Standard Replacement grade, FVP and PRESTONE supply 4 parts: built to original-equipment specification. A representative part number is PRESTONE AF3300.
3 further parts sit outside the graded sections, with the same engine-level match.
This group includes VALVOLINE ZXG051, VALVOLINE 719009 and PRESTONE AF3300 and the remaining parts above.
Buying Cooling System Parts for a 1946 Humber Pullman
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 4.1L 249cid L6 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 .
Frequently Asked Questions
How many cooling system parts fit the 1946 Humber Pullman?
Our catalog currently lists 9 cooling system parts for the 1946 Humber Pullman across 1 subcategory and 3 brands, covering the 4.1L 249cid L6 engine. Each part is matched to the engine(s) it fits.
What are the signs of cooling system problems on a 1946 Humber Pullman?
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 1946 Humber Pullman 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 1946 Humber Pullman?
Every part on this page is matched to the 4.1L 249cid L6 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 1946 Humber Pullman
Cooling System Parts for Other Humber Pullman Years
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