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STM3521 Marine
Thermostaat 71°C Thermostate 71°C
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OEM interchange
Same component rebadged by another engine marque — often the same part at a different dealer counter.
| Equivalent P/N | Brand | Description | Source | Confidence |
|---|---|---|---|---|
| 30L46-04600 | Mitsubishi | Additional Mitsubishi L3E thermostat part number; note=verify against STM3521 spec | yemparts.com Mitsubishi L3E thermostat listing | likely |
| MM433-54801 | Mitsubishi | Mitsubishi L3E thermostat; Vetus STM3521 used on M2 and M3 (L2E/L3E base); note=verify opening temp matches 71C | shop4trac.com / tracpartz.com — thermostat listed for Mitsubishi L3E and cross-listed with Vetus M2/M3 | likely |