About this product
Experience the next generation of sensored motor performance with the Hobbywing EzRun 3665SD 4000KV Black G3. This advanced brushless motor delivers a significant leap forward in efficiency and power output, with a 3% overall efficiency increase and 5% higher maximum output compared to its predecessor. The upgraded sensored cable interface and enhanced sensored mode provide superior motor temperature protection, making it the perfect match for the EzRun MAX10 G2 ESC as part of your radio controlled car setup.
Built for durability and precision, this Hobbywing motor features high-precision Hall sensor components that ensure accurate rotor position output and excellent throttle control for demanding manoeuvres. The IP-67 waterproof system guarantees all-weather protection, whether you’re tackling mud, sand, snow, or water. A modular detachable design makes maintenance straightforward, helping to extend the motor’s lifespan. Ideal for 1/10th scale on-road and off-road applications, this RC car parts solution combines reliable performance with the quality you’d expect from Hobbywing’s UK range of RC hobby equipment.
- 4000KV sensored brushless motor with enhanced G3 performance
- 3% efficiency increase and 5% higher maximum output power
- High-precision Hall sensors for superior throttle linearity
- IP-67 waterproof and dustproof certification
- Modular design for easy maintenance and prolonged lifespan
- Compatible with 2-3S LiPo batteries; 297.2g weight

Etronix 14awg Silicone Wire Orange (100cm)
Rlaarlo Front Upper Suspension Arm Set - Part Number R11050
Etronix Aluminium Fan Cover 30x30mm
Rlaarlo AM-X12 High Performance RC Car (Orange)
Team Associated Pro4 Sc10 RTR General Tire Brushless Truck
Etronix 60cm 22awg Futaba Twisted Extension Wire
Etronix Photon 2.1W Combo W/9.0R 4350Kv Motor/45A Esc
Etronix Pulse GFSK Ex2 Sport 2.4ghz Wheel 2ch Radio System
Hobbywing Ezrun 1/6th Sl 4985-1250kv Motor (Black)
Rlaarlo Rog1 Alloy Front Shock Tower - Part Number R16017
Etronix JST in Series Cable
Etronix Li-Po Regulator 7.4v 5a W/Casing 20x14x49mm
Etronix Low Profile 4.0mm Male Gold Connector (2) for Right Angle
Etronix Photon 2.1w 45amp Esc Brushless FTX Spec (With Short Wire/Connectors)
Associated Caster Block Bush (Offset) B5/B5m/B64/B64d
Etronix Xt30 Charging Cable
Etronix Deans Plug (1 Male/ 1 Female)
Etronix Deans to Xt-60 One-Piece Adaptor Plug
Etronix JST Female Connector to 3.5mm(w/ Housing) Plug
Associated 3x21mm Shock Shaft (2)
Associated Cr12 Screws M2x10mm BHCS
Etronix Male Deans to 3.5mm Connector Adaptor