Part number lookup

WA400-1 Replacement Parts

Cross-reference and compare 10 replacement listings for OEM / aftermarket part number WA400-1. Use this part-number page — not a generic equipment or brand hub — to review price, availability, and fitment before ordering.

10 Matching Products

Hydraulic Gear Pump 705-11-35090 705-11-35010 For Komatsu Wheel Loader 538 542 WA350-1 WA380-1 WA400-1 WA420-1KomatsuHydraulic Gear Pump 705-11-35090 705-11-35010 For Komatsu Wheel Loader 538 542 WA350-1 WA380-1 WA400-1 WA420-1$981.38Hydraulic Gear Pump 705-56-34240 for Komatsu Wheel Loaders WA400-1WheelHydraulic Gear Pump 705-56-34240 for Komatsu Wheel Loaders WA400-1$2,093.80Brake Plate 566-33-4123 for Komatsu Loader WA400-1 WA420-1 WA450-1 WA500-1 WA500-6 WA600-1 WA600-3KomatsuBrake Plate 566-33-4123 for Komatsu Loader WA400-1 WA420-1 WA450-1 WA500-1 WA500-6 WA600-1 WA600-3$48.00Emergency Steering Pump 704-30-34110 For Komatsu Wheel Loader WA400-1-A WA420-1 WA420-3KomatsuEmergency Steering Pump 704-30-34110 For Komatsu Wheel Loader WA400-1-A WA420-1 WA420-3$1,480.47Floating Seal 170-27-00113 for Komatsu Loader WA350-1 WA400-1 WA470-1 Excavator PC200-6 PC220-6 PC300-6 PC300-7 PC360-7KomatsuFloating Seal 170-27-00113 for Komatsu Loader WA350-1 WA400-1 WA470-1 Excavator PC200-6 PC220-6 PC300-6 PC300-7 PC360-7$119.00Floating Seal 421-33-00020 for Komatsu Loader WA400-1 WA420-1 WA450-3 WA600-1 WA600-3 WA600-6 Dozer WD600-3 WD600-1KomatsuFloating Seal 421-33-00020 for Komatsu Loader WA400-1 WA420-1 WA450-3 WA600-1 WA600-3 WA600-6 Dozer WD600-3 WD600-1$144.00Hydraulic Pump 705-12-38211 For Komatsu Wheel Loader WA400-1 WA380-1 WA420-1KomatsuHydraulic Pump 705-12-38211 For Komatsu Wheel Loader WA400-1 WA380-1 WA420-1$1,189.40Oil Pump 6136-52-1100 for Komatsu Engine 6D105 Excavator PC200-3 PC200-5 Wheel Loader WA200-1 WA320-1 WA350-1 WA380-1KomatsuOil Pump 6136-52-1100 for Komatsu Engine 6D105 Excavator PC200-3 PC200-5 Wheel Loader WA200-1 WA320-1 WA350-1 WA380-1$377.37Torqflow Transmisson Pump 705-11-33011 For Komatsu Wheel Loader WA350-1 WA380-1 WA400-1 WA420-1KomatsuTorqflow Transmisson Pump 705-11-33011 For Komatsu Wheel Loader WA350-1 WA380-1 WA400-1 WA420-1$538.33Water Tank Engine Radiator 424-03-11102 for Komatsu WA420-1 WA400-1 Wheel LoaderKomatsuWater Tank Engine Radiator 424-03-11102 for Komatsu WA420-1 WA400-1 Wheel Loader$4,188.66

Part Numbers and Cross References

705-11-35090705-11-35010WA350-1WA380-1WA380-1LCWA400-1WA420-1WA420-1LCC003101-UPC004101-UP705-56-34240566-33-4123WA450-1WA470-1WA500-1WA500-1LWA500-1LCWA500-1LEWA500-6WA500-6RWA600-1704-30-34110WA400-1-AWA420-3WA450-1-AWA450-3A-TWWA450L-3WA470-1L10001-UPWA450-3-H170-27-00110170-27-00111170-27-00113170-27-00114170-27-00115170-27-12513D95S-1D95S-2WA420-3LWA420-3MC421-33-00020421-33-00021WA450-3WA470-3WA600-1LWA600-1LCWA600-1LE705-12-38211A25001-UP6136-52-11006D105S6D105S6D110SA6D110PC200-5WA320-16D105-1BB705-11-33011424-03-11102

Applications and Fitment Summary

  • Part Number
  • Komatsu Wheel Loader 538 542 WA350-1 WA380-1 WA400-1 WA420-1 Hydraulic Gear Pump 705-11-35090 705-11-35010
  • Komatsu Wheel Loader Models: 538 542,WA350-1,WA380-1,WA380-1LC,WA400-1,WA420-1,WA420-1LC Details: 538 S/N U003001-U003100 C003101-UP WHEEL LOADERS 542 S/N U004001-U004100 C004101-UP WHEEL LOADERS WA350-1 S/N 10001-UP (For North America) WHEEL LOADERS WA350-1 S/N 10001-UP (Overseas Version) WHEEL LOADERS WA350-1 S/N 10001-UP WHEEL LOADERS WA380-1 S/N 10001-UP WHEEL LOADERS WA380-1LC S/N A45001-UP WHEEL LOADERS WA400-1 S/N 10001-UP (Overseas Version) WHEEL LOADERS WA400-1 S/N 10001-UP WHEEL LOADERS WA420-1 S/N 10001-UP WHEEL LOADERS WA420-1LC S/N A25001-UP WHEEL LOADERS
  • Komatsu · Fit For Komatsu WA350-1 WA400-1 WA380-1 WA350-1 WA420-1
  • Komatsu · KOMATSU
  • Wheel Loaders WA400-1
  • Komatsu · Komatsu Wheel Loaders WA400-1
  • Komatsu · s: Fit For Komatsu Loader: 558, 568, WA400-1, WA420-1, WA450-1, WA470-1, WA500-1, WA500-1L, WA500-1LC, WA500-1LE, WA500-6, WA500-6R, WA600-1, WA600-1H, WA600-1L, WA600-1LC, WA600-1LE, WA600-3, WA600-3D, WA600-3LK Fit For Komatsu Truck: HD205-3, HD255-5, HD255-5EO, HD320-3, HD325-3, HD325-5, HD325-6, HD325-6W, HD325-7, HD325-7R, HD325-8, HD325-8E0, HD405-6, HD405-7, HD405-7R, HD405-8, HD405-8E0, HM350-1, HM350-1L, HM350-2, HM350-2R, HM400-1, HM400-1L, HM400-2, HM400-2R, HM400-3, HM400-3M0, HM400-3R, HM400-5, HM400-5E0 Fit For Komatsu Dozer: WD600-1, WD600-1H, WD600-3 Fit For Komatsu Compactor: WF600T-1, WF650T-3
  • Komatsu Wheel Loader WA400-1-A WA420-1 WA420-3 Emergency Steering Pump 704-30-34110
  • Komatsu Wheel Loader WA400-1 WA380-1 WA420-1 Hydraulic Pump 705-12-38211
  • Komatsu Wheel Loader WA350-1 WA380-1 WA400-1 WA420-1 Torqflow Transmisson Pump 705-11-33011

Frequently Asked Questions

What parts replace OEM number WA400-1?

This page lists 10 replacement listings indexed under WA400-1. Compare cross references, applications, and pricing before ordering.

How do I confirm fitment for WA400-1?

Match the stamped part number first, then verify machine model, engine code, serial number, mounting points, and photos of your old part before checkout.

Can I request a quote if WA400-1 is not an exact match?

Yes. Use the fitment inquiry form with your machine plate, engine model, and photos. Support can review alternatives or cross references.

Confirm fitment & quote details

Send machine details and nameplate photos before ordering high-risk or quote-only parts.