Recmar Mercury 70-125HP 120°F Thermostat Kit 803061T1
REC803061T1
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Regular price£19.42
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Mercury / Mariner 70–125HP Thermostat Kit
120°F | 3- and 4-cylinder two-stroke outboards
Aftermarket Recmar 120°F thermostat service kit corresponding to Mercury 803061T1 for selected 70–125hp two-stroke outboards.
VERIFY BEFORE ORDERING: This is an outboard kit, not a generic MerCruiser kit. Match the two-stroke engine model, serial number and 803061T1 parts-book reference.
Key Features
- 120°F thermostat service kit
- Selected Mercury/Mariner 70–125hp two-strokes
- Three- and four-cylinder engine families
- Aftermarket Recmar replacement
- Associated with Sierra 18-3569 / thermostat 18-3549
Technical Specs
| Part type | Outboard thermostat service kit |
| Opening rating | 120°F / approx. 49°C |
| Engine type | Two-stroke outboard |
| Common catalogue era | 1987 and newer (verify serial) |
| 4Boats SKU | REC803061T1 |
Compatibility / Fitment Guide
| Engine group | Verified models | Checks / quantity |
|---|---|---|
| Mercury / Mariner 70–90hp | Selected L3/L4 two-stroke engines using 803061T1 | Verify serial and cylinder configuration. |
| Mercury / Mariner 100–125hp | Selected 3-/4-cylinder two-stroke engines using the same kit | Not for every V6 or FourStroke engine. |
| Reference match | 803061T1; commonly catalogued 1987-on | Year alone is insufficient. |
Final fitment check: Confirm 803061T1 in the serial-specific outboard cooling-system diagram.
Part Number Cross Reference
| Mercury / Mariner | 803061T1 |
| Sierra | 18-3569; thermostat 18-3549 |
| GLM / Mallory | GLM 13124 / 13120; Mallory 9-43155 / 9-43014 |
| Recmar / 4Boats | REC803061T1 |
Frequently Asked Questions
Is this for MerCruiser?
The verified fitment is Mercury/Mariner two-stroke outboards.
What temperature is it?
120°F, approximately 49°C.
Does it fit all 70–125hp engines?
No. Serial and parts reference must match.
Use the exact kit components and torque values shown in the engine service manual.
For the products under £150 the shipping is £6.99.
Free delivery for most items over £150.
