12V 1.1KW 9T Starter Motor 5X3911023 for Pointer Golf

Overview of the 5X3911023 Starter Motor

The 5X3911023 is a 12V, 1.1 kW starter motor supplied for Pointer Golf. A reduction gearset between motor and pinion keeps the body compact while still delivering the cranking torque the engine needs.

The starter carries the full cranking current through its brushes and solenoid contact, so every start costs a little material. That is why the unit is normally replaced once, at the end of a long service life, rather than repaired repeatedly.

Specification Summary

• Rated voltage: 12V
• Rated output: 1.1 kW
• Pinion: 9 teeth
• Type: reduction gear starter with pre-engaged solenoid
• Application: Pointer Golf
• Net weight: approximately 3.05 kg
• Condition: new, direct replacement for the original unit

A 12V 1.1 kW rating is the output the motor can hold while cranking, not a peak figure. It is sized so the engine reaches starting speed on the first or second revolution, which is what makes a healthy start feel immediate.

The drive end housing is cast aluminium and carries the pinion bearing, so the pinion stays square to the ring gear when the motor delivers full torque.

Reference Numbers and Cross References

The following OEM and aftermarket references are listed for this unit:

• 5X3911023
• F000AL0502
• 30206N
• F000AL0507
• STV4651ZL
• STR4623
• 442205
• CVS081001
• CVS081228
• SD6RA49
• SD6RA50
• STB4651RD
• STV4651BA
• STV4651LC
• 377911023D
• 17177N

Where the label on the old starter has corroded, compare the pinion teeth, the mounting flange and the terminal bracket with the photographs before ordering. The number on the original unit is the reliable identifier. This starter is listed with 16 references in total.

Matching the Unit to the Vehicle

The unit is listed for Pointer Golf. Because manufacturers changed starter suppliers during the production run, the safest check is the number stamped on the starter body, not the model year alone. The 5X3911023 ships with its solenoid fitted, so no parts have to be transferred from the old unit.

When ordering for a fleet, quote the starter number from each vehicle rather than a single model reference; mixed build dates are common and the starter changed with them.

Common Failure Patterns

Most failures start at the solenoid contact. Each start switches the full cranking current through a copper disc, and after thousands of cycles that disc pits and burns. The result is the familiar single click with no rotation, or a delay before the motor turns.

Heat is the underlying cause in most cases. The starter sits close to the exhaust, and after a hot shutdown the solenoid winding and brush plate soak in heat with no airflow. Resin hardens, springs lose tension and the contact oxidises. For the 5X3911023, the practical check is the number stamped on the housing.

Symptoms of a Failing Starter

• Cranking that sounds normal but takes longer than it used to
• Several attempts needed before the motor engages
• Black carbon dust inside the drive end housing
• Voltage dip that dims the lights during cranking
• Starter that responds to a tap on the housing but not to the key alone

Rule out the simple causes first: battery capacity under load, corroded terminals and the signal wire at the solenoid. A starter that clicks with a known-good battery and a clean signal circuit has an internal contact fault. For the 5X3911023, the practical check is the number stamped on the housing.

Checks Before Installation

• Battery capacity under load, not just open-circuit voltage
• Terminal clamps and the main cable lug for corrosion or heat marks
• Earth strap between engine and chassis
• Ring gear teeth, visible through the starter aperture
• Key switch and signal wire voltage at the solenoid terminal

Most comebacks after a starter replacement trace back to something that was not checked before the unit went on: a tired battery, a corroded earth or a chipped ring gear. Ten minutes with a multimeter and a torch prevents the second repair.

Installation Notes

Isolate the battery, mark the terminal positions, then disconnect the main cable and the signal wire. Clean around the mounting flange before the starter is withdrawn so dirt does not fall into the bell housing.

Inspect the ring gear teeth and the mounting face, then fit the replacement and torque the bolts evenly. Reconnect the main cable and signal wire, crank the engine for a moment and listen for clean engagement without a screech or grind. On Pointer Golf installations, access to the 5X3911023 usually decides how long the job takes.

Quality Control and Supply from Hejian Nuojin Auto Parts Co., Ltd.

Hejian Nuojin Auto Parts Co., Ltd. manufactures starter and alternator components for the aftermarket. Every unit is bench tested for no-load current draw, solenoid pull-in and release voltage, pinion throw and running noise before packing.

Standard references are held as spot goods, volume orders are delivered in around 30 days, and every unit carries a one-year warranty against manufacturing defects.

Frequently Asked Questions

Is a 12V and a 24V starter interchangeable?

No. The voltage rating must match the vehicle system; fitting the wrong unit will damage the starter and the wiring.

Does the starter need any maintenance?

No routine maintenance is required. Keeping the battery, terminals and earth connections clean is what extends starter life in practice.

Why does the starter work cold but fail when hot?

Heat raises solenoid resistance and reduces brush spring pressure. Both effects build up gradually and appear first on a hot restart.

Can the solenoid be replaced on its own?

Yes, when the motor tests well and only the contact has burnt. On a starter with high mileage the complete unit is usually better value, because the brushes and pinion are close behind.