OEM-specification Komatsu Wiper Arm. Part number 426-54-15233. Compatible with Komatsu D31Ex 21 D37Ex 21 D37Px 21 D39Ex 21 Wa100 1 Wa120 1 Wa250 1 Wa320 1 Wa470 3 Wa70 1.
Always verify with serial number before ordering.
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Clean mating surfaces before fitting cab seals to prevent air and water ingress. Use correct adhesive for glass bonding — structural automotive adhesive, not silicone. Check wiring harness routing when replacing doors or panels.
Always consult the OEM service manual for model-specific torque values and procedures. WhatsApp our technical team if you need fitment guidance.