Recmar Honda BF4.5-BF15 Thermostat 52C 19300-881-761 18-3627
REC19300-881-761
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Recmar Honda Small-Outboard Thermostat
52°C / 122°F | Replaces 19300-881-761
Aftermarket thermostat for selected Honda four-stroke outboards that use the 19300-881-761 thermostat assembly. The application spans several legacy small-engine model codes, so the full model suffix and parts diagram must be checked.
Key Features
- 52°C (122°F) opening specification
- For selected Honda small four-stroke outboards
- Direct replacement for the listed thermostat assembly
- Aftermarket Recmar part; not genuine Honda
- Thermostat only unless additional items are shown
Technical Specs
| Part type | Cooling-system thermostat |
| Opening temperature | 52°C / 122°F |
| Engine type | Honda four-stroke outboard |
| Supply type | Aftermarket Recmar |
| 4Boats SKU | REC19300-881-761 |
Compatibility / Fitment Guide
| Engine / system | Application | Fitment condition |
|---|---|---|
| Honda BF4.5 / BF5 / BF6 | BF4.5B, BF5A/BF5D, BF6A/B | Parts diagram must specify 19300-881-761 |
| Honda BF8 / BF9.9 / BF15 | BF8A/B/C, BF9.9A/B, BF15A/B | Confirm complete model suffix and thermostat reference |
| Legacy Honda model codes | BF50F (5 hp), BF75E/F (7.5 hp), BF100E/F (10 hp) | Do not interpret the numeric code as modern horsepower |
Not a universal Honda BF-series thermostat. Later BF models, different suffixes and higher-output engines may use a different opening temperature, diameter or gasket. A gasket is not included unless visible in the product images.
Part Number Cross Reference
| Honda | 19300-881-761; 19300881761 |
| Sierra | 18-3627 |
| Recmar / 4Boats SKU | REC19300-881-761 |
Cross-reference numbers identify compatible service applications; they do not make this aftermarket Recmar part a genuine OEM component.
Frequently Asked Questions
Is this a MerCruiser thermostat?
No. 19300-881-761 is a Honda outboard reference.
Does BF50F mean 50 hp?
No. In this legacy Honda code it identifies a 5 hp family.
Will it fit every BF15?
No. Check the full model suffix and parts diagram because Honda used different thermostats across BF15 generations.
Is a gasket included?
Only the thermostat is specified; order the correct gasket separately unless it is clearly shown.
Before ordering: match 19300-881-761 in the parts diagram and confirm the complete Honda model suffix.
For the products under £150 the shipping is £6.99.
Free delivery for most items over £150.
