The 1940 Fargo FJ1 Pickup has 13 cooling system parts with verified fitment on this page — 2 part types and 6 brands, covering the 3.3L 201cid L6 engine. Each part includes a manufacturer part number and application notes.
On the 1940 Fargo FJ1 Pickup, 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 13 listed parts are Coolant / Antifreeze (11 parts) and Thermostat / Thermostat Housing / Water Outlet Seal (2 parts).
Every part on this page is matched to the 3.3L 201cid L6 — the only engine offered in the 1940 Fargo FJ1 Pickup.
The most listed brands for 1940 Fargo FJ1 Pickup cooling system parts are PEAK (7 parts), PRESTONE (2 parts) and VALVOLINE (1 part), plus 3 more brands. Quality grades include Standard Replacement, Economy and Premium.
3 parts on this 1940 Fargo FJ1 Pickup page carry a "Popular" badge — the source catalog's flag for options frequently chosen for this vehicle — including VALVOLINE 719009 (Coolant / Antifreeze) and FVP GREEN5050GAL (Coolant / Antifreeze). Click any part number to see every vehicle that part fits.
Coolant / Antifreeze
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VALVOLINE Popular | 719009 | 🇺🇸 US | Multi-Vehicle Yellow1 Gallon | View on Amazon |
| PEAK | BQA1GAL | 🇺🇸 US 🇨🇦 CA | Blue Mountain Long LifeAll Vehicle | View on Amazon |
Heavy Duty
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PRESTONE | AFC12100 | 🇺🇸 US 🇨🇦 CA | Command Nitrite Free Extended Life CoolantYellow Nitrite Free OAT | View on Amazon |
Premium
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PEAK | PKP1GAL | 🇺🇸 US 🇨🇦 CA | All Vehicles Antifreeze1 Gallon | View on Amazon |
| PEAK | PXA1GAL | 🇺🇸 US 🇨🇦 CA | 1 GallonGlobal Lifetime | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FVP Popular | GREEN5050GAL | 🇺🇸 US 🇨🇦 CA | Low Silicate Blend1 Gallon | View on Amazon |
| PRESTONE Popular | AF3300 | 🇺🇸 US 🇨🇦 CA | Prime Conventional Green 1 Gallon | View on Amazon |
| PEAK | BMA1GAL | 🇺🇸 US 🇨🇦 CA | Blue Mountain Conventional Green1 Gallon | View on Amazon |
| PEAK | RUA1GAL | 🇺🇸 US 🇨🇦 CA | Conventional Green1 Gallon | View on Amazon |
| PEAK | FFA1GAL | 🇺🇸 US 🇨🇦 CA | Full Force Conventional Green1 Gallon | View on Amazon |
| PEAK | SEP1GAL | 🇺🇸 US 🇨🇦 CA | 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 1940 Fargo FJ1 Pickup come from 4 brands — PEAK, PRESTONE, VALVOLINE and 1 other brand. The "Popular" part is VALVOLINE 719009.
The Economy section lists 2 options from VALVOLINE and PEAK — the catalog's value-priced group. VALVOLINE 719009 is listed in this group.
In the Heavy Duty grade, PRESTONE supplies 1 part: rated for severe service. A representative part number is PRESTONE AFC12100.
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 and PRESTONE supply 6 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 | 35063 | 🇺🇸 US | 2-1/2 (In) Inside DiameterWater Outlet Seal | View on Amazon |
| VICTOR REINZ | 711353100 | 🇺🇸 US | 2-1/2 IN I.D.with 2 Bolt Holes | 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.
2 Thermostat / Thermostat Housing / Water Outlet Seal parts for the 1940 Fargo FJ1 Pickup come from 2 brands — FEL-PRO and VICTOR REINZ.
Listed part numbers: FEL-PRO 35063 and VICTOR REINZ 711353100.
Buying Cooling System Parts for a 1940 Fargo FJ1 Pickup
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 3.3L 201cid 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 and Thermostat / Thermostat Housing / Water Outlet Seal .
Frequently Asked Questions
How many cooling system parts fit the 1940 Fargo FJ1 Pickup?
Our catalog currently lists 13 cooling system parts for the 1940 Fargo FJ1 Pickup across 2 subcategories and 6 brands, covering the 3.3L 201cid L6 engine. Each part is matched to the engine(s) it fits.
What are the signs of cooling system problems on a 1940 Fargo FJ1 Pickup?
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 1940 Fargo FJ1 Pickup 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 1940 Fargo FJ1 Pickup?
Every part on this page is matched to the 3.3L 201cid 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 1940 Fargo FJ1 Pickup
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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.