The 1949 Austin A40 has 10 cooling system parts with verified fitment on this page — 1 part type and 4 brands, covering the 1.2L 73cid L4 engine. Each part includes a manufacturer part number and application notes.
The cooling system system on the 1949 Austin A40 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 1.2L 73cid L4 — the only engine offered in the 1949 Austin A40.
The most listed brands for 1949 Austin A40 cooling system parts are PEAK (7 parts), VALVOLINE (1 part) and FVP (1 part), plus 1 more brand. Quality grades include Standard Replacement, Economy and Premium.
2 parts on this 1949 Austin A40 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 | BQA1GAL | 🇺🇸 US | Blue Mountain Long LifeAll Vehicle | View on Amazon |
| VALVOLINE | 719009 | 🇺🇸 US | Multi-Vehicle Yellow1 Gallon | View on Amazon |
Premium
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PEAK | PKP1GAL | 🇺🇸 US | All Vehicles Antifreeze1 Gallon | View on Amazon |
| PEAK | PXA1GAL | 🇺🇸 US | Global Lifetime1 Gallon | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FVP Popular | GREEN5050GAL | 🇺🇸 US | Low Silicate Blend1 Gallon | View on Amazon |
| PRESTONE Popular | AF3300 | 🇺🇸 US | Prime Conventional Green 1 Gallon | View on Amazon |
| PEAK | BMA1GAL | 🇺🇸 US | Blue Mountain Conventional Green1 Gallon | View on Amazon |
| PEAK | RUA1GAL | 🇺🇸 US | Conventional Green1 Gallon | View on Amazon |
| PEAK | FFA1GAL | 🇺🇸 US | Full Force Conventional Green1 Gallon | View on Amazon |
| PEAK | 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.
10 Coolant / Antifreeze parts for the 1949 Austin A40 come from 4 brands — PEAK, VALVOLINE, FVP and 1 other brand. The "Popular" part is FVP GREEN5050GAL.
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 and PRESTONE supply 6 parts: built to original-equipment specification. A representative part number is FVP GREEN5050GAL.
Buying Cooling System Parts for a 1949 Austin A40
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 1.2L 73cid L4 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 1949 Austin A40?
Our catalog currently lists 10 cooling system parts for the 1949 Austin A40 across 1 subcategory and 4 brands, covering the 1.2L 73cid L4 engine. Each part is matched to the engine(s) it fits.
What are the signs of cooling system problems on a 1949 Austin A40?
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 Austin A40 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 Austin A40?
Every part on this page is matched to the 1.2L 73cid L4 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 1949 Austin A40
Cooling System Parts for Other Austin A40 Years
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