3701200FA 12V 2.8kW 9T Starter Motor OEM Starter Assembly for JAC 1040 N56 HFC4DA1 Diesel

The Starter Motor with OEM number 3701200FA is a direct-fit replacement starter assembly for JAC 1040 and N56 light trucks equipped with the HFC4DA1 series diesel engine. This starter converts electrical energy from the battery into mechanical rotation to crank the engine during starting.

Working Principle: When the ignition key is turned to start, the starter solenoid engages the pinion gear with the engine flywheel ring gear. The starter motor then rotates the flywheel, cranking the engine until it fires and runs. The pinion then disengages. A failing starter causes slow cranking, clicking sounds, or no-crank conditions.

• ✓OEM Number: 3701200FA — confirmed across multiple independent suppliers
• ✓Part Name: Starter Motor / Starter Assembly — confirmed in English, Russian, and Spanish listings
• ✓Vehicle Compatibility: JAC 1040 / 1040S / N56 — confirmed
• ✓Engine Compatibility: HFC4DA1 series diesel — confirmed
• ✓Voltage: 12V — confirmed
• ✓Power: 2.8 kW — confirmed by 南昌富亿达电机 and Robexmaq
• ✓Pinion Teeth: 9T — confirmed by 南昌富亿达电机 and Robexmaq
• ✓Rotation: CW (clockwise) — per 南昌富亿达电机
• ✓Mounting: 2 bolts M12, 120 mm distance, 95 mm flange diameter — per Robexmaq
• ⚠Pending: Weight, dimensions, solenoid current draw — not specified in available sources
• ⚠Pending: Bench test data (cranking RPM, torque, durability) — recommend supplying your own test report
• ⚠Pending: Installation success rate — recommend providing repair order statistics
• ℹNote: One supplier lists this starter “with air compressor” — verify if your application requires this configuration

• Slow or labored cranking (engine turns over slowly)
• Single “click” sound when turning key, no crank
• Repeated clicking (solenoid chatter)
• Grinding noise during cranking (pinion not engaging properly)
• Starter continues running after engine starts

1. Disconnect the battery negative cable.
2. Raise the vehicle and secure it on stands.
3. Disconnect the electrical connections from the starter (B+ cable, solenoid wire).
4. Remove the mounting bolts (2× M12, 120 mm spacing).
5. Remove the old starter. Inspect the flywheel ring gear for damaged teeth.
6. Install the new starter. Torque the mounting bolts per OEM spec (⚠ torque spec pending — verify against JAC manual).
7. Reconnect the electrical connections. Ensure terminals are clean and tight.
8. Reconnect the battery. Test cranking operation.

The starter is not a routine maintenance item. Inspect the battery and connections at every service. Replace the starter when cranking becomes slow, clicking occurs, or a no-crank condition develops. Avoid prolonged cranking (maximum 10–15 seconds) to prevent starter overheating.

• Neutral carton or customized packaging available
• Suitable for: wholesale distributors, electrical repair workshops, and JAC parts suppliers
• MOQ: 2 pcs (per one supplier listing)
• Samples available for quality verification