OEM-specification CAT Electrical Component. Part number 4W9972. Compatible with 120H, 120H ES, 120H NA, 135H, 135H NA, 3114, 3116, 3126, 3508, 3508B, 3512, 3512B, 3516, 3516B, 414E, 416, 416B, 416C, 416D, 416E, 416F, 420D, 420E, 420F, 422E, 422F, 424D, 426B, 426C, 428, 428B, 428C.
Always verify with serial number before ordering.
Parts Trading Company · Mumbai, Est. 1956 · Same-day dispatch · Ships worldwide · GST invoice included
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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.