This page lists 9 cooling system parts for the 1946 Daimler DB18, across 1 part type, covering the 2.5L 154cid L6 engine. Every part shows its brand, manufacturer part number and fitment notes.
On the 1946 Daimler DB18, 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.
The 1946 Daimler DB18 came with a single engine, the 2.5L 154cid L6, and every part is verified against it.
3 brands supply cooling system parts for the 1946 Daimler DB18, led by FVP (6 parts), VALVOLINE (2 parts) and PRESTONE (1 part). Quality grades include Standard Replacement, Economy and Heavy Duty.
A "Popular" badge means the source catalog flagged the part as frequently chosen for the 1946 Daimler DB18. 2 parts have it, including VALVOLINE ZXG051 (Coolant / Antifreeze) and PRESTONE AF3300 (Coolant / Antifreeze). Each part number opens a page with 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 are listed for the 1946 Daimler DB18, from FVP, 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 1 option from VALVOLINE — rated for severe service. VALVOLINE ZXG051 is listed in this group.
The Standard Replacement section lists 4 options from FVP and PRESTONE — built to original-equipment specification. PRESTONE AF3300 is listed in this group.
3 ungrouped parts are not assigned to a grade, with the same engine-level match.
Part numbers include VALVOLINE ZXG051, VALVOLINE 719009 and PRESTONE AF3300, among others listed above.
Buying Cooling System Parts for a 1946 Daimler DB18
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 2.5L 154cid 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 Daimler DB18?
Our catalog currently lists 9 cooling system parts for the 1946 Daimler DB18 across 1 subcategory and 3 brands, covering the 2.5L 154cid L6 engine. Each part is matched to the engine(s) it fits.
What are the signs of cooling system problems on a 1946 Daimler DB18?
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 Daimler DB18 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 Daimler DB18?
Every part on this page is matched to the 2.5L 154cid 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 Daimler DB18
Cooling System Parts for Other Daimler DB18 Years
Switch vehicle or jump to a subcategory
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.