YTM 12V/11T/3.0KW starter motor 70024277/31791096/5256155/428000-6800 replacement parts

Every YTM starter motor is developed to the original equipment standard. Installation dimensions and internal components are produced and processed on OEM-standard machining centers, ensuring full interchangeability with the original part.

• Grease: Gearbox and drive gear use German-imported lubricating oil rated to military high/low temperature standards (−50°C to 230°C).
• Bearings: Domestic first-tier brand deep groove ball bearings combined with INA needle roller bearings imported from the United States.
• Copper: Stator coil bare copper wire and armature pure copper enameled wire meet international OEM standards, withstanding temperatures up to 230°C.
• Steel: Stator casing made from fine-drawn seamless steel tube; drive gear produced via 20# steel cold chamber forging process.
• Aluminum: All aluminum components manufactured from international-standard ADC12 alloy.
• One-Way Gear: Songer system standard quality for dependable engagement.
• Relay: Taiwan Songer imported relay with integrated chip to prevent burning.
• Generator Core: Silicon steel sheet construction for effective magnetic field performance.
• Enameled Wire: F-grade 180°C high-temperature wire sourced from major domestic manufacturers (Xiandeng, Great Wall).
• Insulation Material: 350°C high-temperature resistance with inner fiber and outer rubber hose, insulating paper, and Valeo unified parameter platform.
• Rotor: Claw pole and rigid ring design; brushless motors add magnetic steel to improve low-speed performance through technological innovation.
• Electronic Components: Supplied by four major domestic manufacturers (Xuzhou Yunyi, Xuzhou Xiangyue, Ningbo Chewang, Shanghai Changbo).
• Testing: 100% production, warehouse, and factory testing. Each motor is validated on OEM-standard “DV” testing equipment provided by the DV testing platform company of North America, Canada.