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{"title":"KCQZ Bulldozer Hydraulic Pump 720-2M-00081 For D31 D37 Bulldozers Construction","imgUrl":"https:\/\/img.chinax.com\/nimg\/06\/e4\/901623627dbad31778804c1db56e-200x200-1\/kcqz_bulldozer_hydraulic_pump_720_2m_00081_for_d31_d37_bulldozers_construction_machinery.jpg","attrs":{"Certification":"CE","Machinery Test Report":"Provided","Payment Terms":"T\/T,Western Union","Warranty":"6 Months"}}
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{"title":"708-1T-00540 Hydraulic Fan Pump Assembly For Komatsu D51EX-22 D51PX-22 Bulldozer","imgUrl":"https:\/\/img.chinax.com\/nimg\/6b\/1e\/c591a9c79c3ba74c6197f6835765-200x200-1\/708_1t_00540_hydraulic_fan_pump_assembly_for_komatsu_d51ex_22_d51px_22_bulldozer.jpg","attrs":{"Supply Ability":"1000","Flowrate":"50-200 liters per minute","Material":"High-grade steel","Brand Name":"KCQZ"}}
{"title":"708-1S-00460 Hydraulic Fan Pump For Komatsu D65EX-16 D65PX-16 Bulldozer","imgUrl":"https:\/\/img.chinax.com\/nimg\/26\/b7\/3f643bcf3fe2bd05e6527728dae2-200x200-1\/708_1s_00460_hydraulic_fan_pump_for_komatsu_d65ex_16_d65px_16_bulldozer.jpg","attrs":{"Supply Ability":"1000","Productivity":"2000pcs","Model Number":"708-1S-00460","After Warranty Service":"Video technical support"}}
{"title":"Flange Mount Bulldozer Hydraulic Pump 708-1S-00290 High Strength Steel","imgUrl":"https:\/\/img.chinax.com\/nimg\/4d\/35\/774442f1fee20b5d9b3bca054bbc-200x200-1\/flange_mount_bulldozer_hydraulic_pump_708_1s_00290_high_strength_steel.jpg","attrs":{"Supply Ability":"30 items per day","Seal type":"Nitrile rubber seals","Efficiency":"Above 90%","Model Number":"708-1S-00290"}}
Premium 708-1S-00390 Hydraulic Fan Pump For PC D375A-6 Bulldozer. Direct Replacement, 6-Month Warranty, Fast Global Shipping. OEM Quality Cooling Fan Pump Assembly.
Product Overview
The 708-1S-00390 is a high-performance axial piston hydraulic fan pump designed specifically for Komatsu D375A-6 series bulldozers. As a core component of the engine cooling system, it delivers stable hydraulic flow to drive the cooling fan, precisely regulating engine operating temperature under heavy-duty, high-temperature mining and earthmoving conditions.
This aftermarket replacement pump is manufactured to original OEM specifications, with fully interchangeable mounting dimensions, port sizes and performance parameters. It eliminates the need for modification during installation, directly replacing the failed original fan pump to restore your dozer's cooling performance and avoid engine overheating failures.
Key Functions & Applications
Drives the engine cooling fan via hydraulic power transmission
Adjusts fan speed automatically with hydraulic pressure changes
Maintains optimal engine temperature during long-hour heavy load operations
Widely used in construction, mining, quarry and road building D375A-6 dozer fleets
Quality Control
Every 708-1S-00390 fan pump undergoes strict factory testing including pressure test, flow test, seal leak test and load simulation test before packaging. We use high-strength cast iron housing, wear-resistant copper alloy valve plate and precision-machined piston assembly to ensure long service life even in harsh working conditions.
Direct OEM Replacement:1:1 matches original Komatsu part 708-1S-00390, plug-and-play installation
Heavy-Duty Construction:Cast iron housing + precision piston components, built for mining & construction environments
Wide Compatibility:Fits Komatsu D375A-6 / D375A-6R bulldozer cooling system, replaces 708-1W-00690
Quality Guaranteed:100% tested before shipping, ISO9001 certified, 6 months warranty
Fast Global Delivery:Stock available in China warehouse, ships within 48 hours, DHL/FedEx/DDP door-to-door supported
Specification
Details
Part Number
708-1S-00390 / 7081S00390 / 7081S-00390
Product Name
Hydraulic Cooling Fan Pump Assembly
Compatible Brand
For Komatsu
Fit Models
D375A-6, D375A-6R Bulldozer
Pump Type
Axial Piston Pump
Mounting Type
Direct bolt-on mounting
Rated Flow
90-130 L/min
Working Pressure
10-15 bar (145-218 PSI)
Operating Temperature Range
-20°C to +100°C
Housing Material
High Strength Steel
Condition
100% Brand New Aftermarket
Gross Weight
Approx. 16 kg / 35.3 lbs
Certification
CE
Warranty
6 Months
Place of Origin
Guangdong, China
Compatible Machine Models
Komatsu D375A-6 Crawler Dozer
Komatsu D375A-6R Bulldozer
Cross Reference Part Numbers
708-1S-00390 (Original part number)
708-1W-00690 (Interchangeable replacement)
7081S00390 (No-hyphen format)
Q: Is this pump compatible with my Komatsu D375A-6?
A: Yes, this 708-1S-00390 fan pump is a direct replacement for Komatsu D375A-6 and D375A-6R bulldozers, fully matching the original installation dimensions.
Q: What is the warranty period?
A: We provide a 6-month warranty for this product from the date of delivery, covering manufacturing defects and quality issues under normal use.
Q: How long is the delivery time?
A: For in-stock items, we ship within 48 hours. International express delivery (DHL/FedEx/UPS) usually takes 3-7 working days to most countries. Sea freight and air freight options are also available for bulk orders.
Q: Do you accept sample orders?
A: Yes, we support sample order of 1 piece for quality testing.
Q: What payment methods do you accept?
A: We accept T/T bank transfer, PayPal, credit card,
Chuanzaki Hydraulic
Professional Manufacturer of Hydraulic Pump Replacement Parts for Construction Machinery
Chuanzaki Hydraulic is a professional manufacturer specializing in hydraulic pump replacement parts for construction machinery. We operate our own manufacturing facility and focus exclusive...
Chuanzaki Hydraulic
Professional Manufacturer of Hydraulic Pump Replacement Parts for Construction Machinery
Chuanzaki Hydraulic is a professional manufacturer specializing in hydraulic pump replacement parts for construction machinery. We operate our own manufacturing facility and focus exclusive...
