Premium 708-1S-00390 Hydraulic Fan Pump For PC D375A-6 Bulldozer

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,