OEM-specification Komatsu Electrical Component. Part number 600-311-3722. Compatible with D51EX/PX, D61EX, D61PX, D65EX, D65PX, D65WX, FRONT, GD555, GD655, GD675, PC160, PC190, PC200, PC200LL, PC220, PC220LL, PC240, PC270, PC290, PC300, PC300HD, PC308, PC350, PC350HD, PC360, PC390. Fits: PC3008M06D1
Always verify with serial number before ordering.
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Disconnect main battery before working on electrical components. Use dielectric grease on all connector pins. Check ground connections — most electrical faults trace to poor grounds. Test with multimeter before installing new parts.
Always consult the OEM service manual for model-specific torque values and procedures. WhatsApp our technical team if you need fitment guidance.