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STM3521
Vetus OEM part number
STM3521 — Affiliate Parts Search
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Aftermarket equivalents cross-ref
Different part numbers claimed interchangeable by third-party sources — not OEM, verify before ordering.
| Equivalent P/N | Brand | Description | Source | Confidence |
|---|---|---|---|---|
| 30L46-04600 | Mitsubishi | Additional Mitsubishi L3E thermostat part number; note=verify against STM3521 spec | link | likely |
| MM433-54801 | Mitsubishi | Mitsubishi L3E thermostat; Vetus STM3521 used on M2 and M3 (L2E/L3E base); note=verify opening temp matches 71C | link | likely |