Starter Motor Yanmar 4LH / 4LHA series

Description

New starter motor for the Yanmar 4LH and 4LHA series marine diesel engines. This version is 12V / 2.5kW with a 15-tooth pinion and planetary reduction, and fits the original mounting flange (spigot diameter 95 mm).

✔️ New part, no core exchange required
✔️ Direct 1-to-1 replacement for the original Yanmar starter motor
✔️ Correct tooth count, power output, and voltage for the 4LH / 4LHA series

Technical specifications

• Voltage: 12V
• Power output: 2.5 kW
• Spigot diameter: 95 mm
• Pinion teeth: 15
• Reduction type: planetary
• Mounting holes: 2
• Position: +45°
• Rotation: clockwise (CW)
• Type: new

Suitable for

Yanmar

• 4LH-DTE
• 4LH-DTZ
• 4LH-HTE
• 4LH-STE
• 4LH-TE
• 4LHA-DTE(P)
• 4LHA-DTZE(P)
• 4LHA-HTE(P)
• 4LHA-HTZE(P)
• 4LHA-STE(P)
• 4LHA-STZE(P)

Please note:

The 4LH / 4LHA series has multiple starter motor variants with differing tooth counts or power ratings. This version (15 teeth, 2.5 kW, planetary reduction) is specifically for the engine codes listed above. In doubt? Count the number of teeth on the pinion of your old starter motor or send us your engine nameplate before ordering.

OEM reference

• For ref.: Yanmar 121254-77010, 121254-77011, 121254-77012, 121254-77019