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Fan pump / auxiliary cooling piston pump designed for Hitachi excavators ZAX870-5G, ZAX870-5B, and ZX670LC-5G. This pump supports the auxiliary cooling circuit, ensuring stable hydraulic fan operation and reliable thermal management under demanding working conditions.
Part numbers: YA00011362 | 4700708 | 9313598
Common Failures
Fan stops running: Solenoid failure, worn valve plate, piston seizure.
Abnormal noise & vibration: Damaged bearing, spline wear, air ingestion.
Oil leakage: Worn oil seal, housing crack, seal failure.
Purchase Tips
Distinguish this fan pump from the main hydraulic pump YB60000246.
Verify solenoid connector, mounting flange, and port size before ordering.
Choose a new pump for heavy mining applications; remanufactured units are suitable for temporary use.
Flush the hydraulic circuit and replace the filter before installation.
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Trading Company,Manufacturer
Year Established:
2017
Total Annual:
$1 Million -US$5 Million
Employee Number:
80~100
Ecer Certification:
Verified Supplier
Guangzhou Kawo Construction Machinery Co., Ltd.
Company Profile
Professional Excavator Hydraulic Products Manufacturer & Service Provider
Founded in 2017, Guangzhou Kawo Construction Machinery Co., Ltd. is a professional manufacturer and service provider specializing in excavator hydraulic produ... Guangzhou Kawo Construction Machinery Co., Ltd.
Company Profile
Professional Excavator Hydraulic Products Manufacturer & Service Provider
Founded in 2017, Guangzhou Kawo Construction Machinery Co., Ltd. is a professional manufacturer and service provider specializing in excavator hydraulic produ...