This page lists 16 cooling system parts for the 1949 Allard J1, across 3 part types, covering both the 3.6L 221cid V8 and the 3.9L 239cid V8. Every part shows its brand, manufacturer part number and fitment notes.
On the 1949 Allard J1, 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. All 16 listed parts are Coolant / Antifreeze (11 parts), Thermostat / Thermostat Housing / Water Outlet Seal (3 parts) and Water Pump Gasket (2 parts).
The 1949 Allard J1 was sold with both the 3.6L 221cid V8 and the 3.9L 239cid V8. 11 parts fit every engine; the other 5 are engine-specific. Each part shows which engine(s) it fits.
The most listed brands for 1949 Allard J1 cooling system parts are PEAK (7 parts), VALVOLINE (2 parts) and FEL-PRO (2 parts), plus 4 more brands. Quality grades include Standard Replacement, Economy and Premium.
3 parts on this 1949 Allard J1 page carry a "Popular" badge — the source catalog's flag for options frequently chosen for this vehicle — including FVP GREEN5050GAL (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 |
|---|---|---|---|---|
| PEAK Fits: all 1949 J1 engines | BQA1GAL | 🇺🇸 US | Blue Mountain Long LifeAll Vehicle | View on Amazon |
| VALVOLINE Fits: all 1949 J1 engines | 719009 | 🇺🇸 US | Multi-Vehicle Yellow1 Gallon | View on Amazon |
Premium
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PEAK Fits: all 1949 J1 engines | PKP1GAL | 🇺🇸 US | All Vehicles Antifreeze1 Gallon | View on Amazon |
| PEAK Fits: all 1949 J1 engines | PXA1GAL | 🇺🇸 US | Global Lifetime1 Gallon | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FVP Popular Fits: all 1949 J1 engines | GREEN5050GAL | 🇺🇸 US | Low Silicate Blend1 Gallon | View on Amazon |
| PRESTONE Popular Fits: all 1949 J1 engines | AF3300 | 🇺🇸 US | Prime Conventional Green 1 Gallon | View on Amazon |
| VALVOLINE Popular Fits: all 1949 J1 engines | ZX001 | 🇺🇸 US | Original Green1 Gallon | View on Amazon |
| PEAK Fits: all 1949 J1 engines | BMA1GAL | 🇺🇸 US | Blue Mountain Conventional Green1 Gallon | View on Amazon |
| PEAK Fits: all 1949 J1 engines | RUA1GAL | 🇺🇸 US | Conventional Green1 Gallon | View on Amazon |
| PEAK Fits: all 1949 J1 engines | FFA1GAL | 🇺🇸 US | Full Force Conventional Green1 Gallon | View on Amazon |
| PEAK Fits: all 1949 J1 engines | SEP1GAL | 🇺🇸 US | Sierra Conventional Green Concentrate Low Toxic Option1 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.
11 Coolant / Antifreeze parts for the 1949 Allard J1 come from 4 brands — PEAK, VALVOLINE, FVP and 1 other brand. The "Popular" part is FVP GREEN5050GAL. Every part fits both the 3.6L 221cid V8 and the 3.9L 239cid V8.
The Economy section lists 2 options from PEAK and VALVOLINE — the catalog's value-priced group. PEAK BQA1GAL is listed in this group.
In the Premium grade, PEAK supplies 2 parts: a step above OE specification in materials, tolerances or warranty terms. A representative part number is PEAK PKP1GAL.
In the Standard Replacement grade, PEAK, FVP, PRESTONE and 1 other brand supply 7 parts: built to original-equipment specification. A representative part number is FVP GREEN5050GAL.
Thermostat / Thermostat Housing / Water Outlet Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FEL-PRO Fits: 3.9L 239cid V8 | 35067 | 🇺🇸 US | 1-13/16 (In) Inside DiameterWater Outlet Seal | View on Amazon |
| MAHLE / CLEVITE Fits: 3.9L 239cid V8 | C24109 | 🇺🇸 US | PaperUniversal Type | View on Amazon |
| VICTOR REINZ Fits: 3.9L 239cid V8 | 711352100 | 🇺🇸 US | 1-13/16 IN I.D.Water Outlet Seal | 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.
3 Thermostat / Thermostat Housing / Water Outlet Seal parts for the 1949 Allard J1 come from 3 brands — FEL-PRO, MAHLE / CLEVITE and VICTOR REINZ.
This group includes FEL-PRO 35067, MAHLE / CLEVITE C24109 and VICTOR REINZ 711352100.
Water Pump Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FEL-PRO Fits: 3.9L 239cid V8 | 2972 | 🇺🇸 US | To Block | View on Amazon |
| VICTOR REINZ Fits: 3.9L 239cid V8 | 711383100 | 🇺🇸 US | View on Amazon |
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.
2 Water Pump Gasket parts for the 1949 Allard J1 come from 2 brands — FEL-PRO and VICTOR REINZ.
This group includes FEL-PRO 2972 and VICTOR REINZ 711383100.
Buying Cooling System Parts for a 1949 Allard J1
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.
- Match the engine first. Some cooling system parts fit every engine; others are engine-specific. Each row shows which engine(s) it fits.
- 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 / Thermostat Housing / Water Outlet Seal .
Frequently Asked Questions
How many cooling system parts fit the 1949 Allard J1?
Our catalog currently lists 16 cooling system parts for the 1949 Allard J1 across 3 subcategories and 7 brands, covering both the 3.6L 221cid V8 and the 3.9L 239cid V8. Each part is matched to the engine(s) it fits.
Do cooling system parts differ between 1949 Allard J1 engines?
Some do. 11 parts fit every engine; the other 5 are engine-specific. Each row (and the filter at the top) shows which. If you're unsure which engine you have, check the emissions label under the hood or the 8th character of your VIN.
What are the signs of cooling system problems on a 1949 Allard J1?
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 1949 Allard J1 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 1949 Allard J1?
First match the engine — each row shows which engine(s) the part fits. 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 1949 Allard J1
Cooling System Parts for Other Allard J1 Years
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