OEM-specification CAT Fan Belt. Part number 389-1590-9l-1126. Compatible with CAT Engine C2 4 Excavator 304E 305 5E 305E 306 304E2 304 5E2 306E2.
Always verify with serial number before ordering.
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Inspect mating surfaces for wear before fitting. Use torque specs from service manual. Replace gaskets and seals as a set — reusing compressed gaskets causes oil leaks. Clean all oil passages with compressed air.
Always consult the OEM service manual for model-specific torque values and procedures. WhatsApp our technical team if you need fitment guidance.