Spektrum SPMXSMH1 Motor Heatsink — 3660
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The Spektrum® SPMXSMH1 Motor Heatsink is designed for 3660 size brushless motors, providing passive cooling to reduce operating temperatures during hard runs. Keeping your motor cooler extends winding and bearing life, helps maintain consistent power output under sustained load, and reduces the risk of thermal shutdown during long bashing or racing sessions. A simple, effective upgrade for any 3660 motor installation where heat buildup is a concern — particularly in high-current applications or warm weather running conditions.
Key Features
- Part Number: SPMXSMH1
- Spektrum motor heatsink
- Compatible Motor Size: 3660
- Passive cooling — no moving parts or wiring required
- Reduces motor operating temperature during hard runs
Compatibility
- 3660 size brushless motors — verify fitment with your specific motor before purchasing
Benefits
- Reduces motor operating temperature to extend winding and bearing life
- Helps maintain consistent power output under sustained high-current load
- Reduces risk of thermal shutdown during long bashing or racing sessions
- Passive design — no wiring or moving parts, zero maintenance
- Simple upgrade for any 3660 motor installation in high-heat applications
Quick Take
Running your 3660 motor hard and feeling the heat? The Spektrum SPMXSMH1 heatsink bolts on and pulls heat away from your motor passively — cooler temps, longer motor life, and fewer thermal shutdowns on long runs.