Part number lookup

WA400-5 Replacement Parts

Cross-reference and compare 10 replacement listings for OEM / aftermarket part number WA400-5. Use this part-number page — not a generic equipment or brand hub — to review price, availability, and fitment before ordering.

10 Matching Products

6741-61-1530 Water Pump for Komatsu Engine 6D114 PC300-7 PC360-7 WA380-5 WA400-5Komatsu6741-61-1530 Water Pump for Komatsu Engine 6D114 PC300-7 PC360-7 WA380-5 WA400-5$189.63Element Assy 569-15-51730 for Komatsu WA500-6 WA480-6 WA480-5L WA480-5 WA470-6 WA470-5KomatsuElement Assy 569-15-51730 for Komatsu WA500-6 WA480-6 WA480-5L WA480-5 WA470-6 WA470-5$293.81Flange Bearing 421-20-15122 421-20-15123 for Komatsu Loader WA400-1 WA400-5 WA430-6 WA420-3 WA450-1 WA470-1 WA480-6 WF450-3KomatsuFlange Bearing 421-20-15122 421-20-15123 for Komatsu Loader WA400-1 WA400-5 WA430-6 WA420-3 WA450-1 WA470-1 WA480-6 WF450-3$958.00Hydraulic Filter 569-15-51720 for Komatsu WA450-5L WA430-6E0 WA430-6 WA430-5 WA400-5 WA380-6 WA380-5 Wheel LoaderKomatsuHydraulic Filter 569-15-51720 for Komatsu WA450-5L WA430-6E0 WA430-6 WA430-5 WA400-5 WA380-6 WA380-5 Wheel Loader$678.85Hydraulic Pump 705-33-26540 for Komatsu WA300-3A WA320-3 WA380-5 WA400-5 WA430-5 LoaderKomatsuHydraulic Pump 705-33-26540 for Komatsu WA300-3A WA320-3 WA380-5 WA400-5 WA430-5 Loader$1,011.30Hydraulic Pump 705-55-33080 For Komatsu Wheel Loader WA400-5 WA400-5L WA380-5 WA380-5LKomatsuHydraulic Pump 705-55-33080 For Komatsu Wheel Loader WA400-5 WA400-5L WA380-5 WA380-5L$2,412.05Hydraulic Pump Main Relief Valve 421-43-27460 for Komatsu Loader WA380 WA900 WA420 WA800 Compactor WF550 WF650T Dozer WD500 WD600KomatsuHydraulic Pump Main Relief Valve 421-43-27460 for Komatsu Loader WA380 WA900 WA420 WA800 Compactor WF550 WF650T Dozer WD500 WD600$91.00Oil Cooler 4230331321 for Komatsu WA380-5 WA400-5 HD465-7R HD605-7E0 HD605-7RKomatsuOil Cooler 4230331321 for Komatsu WA380-5 WA400-5 HD465-7R HD605-7E0 HD605-7R$1,305.07Planet Carrier 423-22-32662 for Komatsu Wheel Loader WA380-5 WA380-6 WA430-5 WA400-5 WA380-7 WA380-8KomatsuPlanet Carrier 423-22-32662 for Komatsu Wheel Loader WA380-5 WA380-6 WA430-5 WA400-5 WA380-7 WA380-8$1,625.00Universal Joint Assembly 423-20-32621 for Komatsu Wheel Loader WA380-5 WA380-6 WA380-7 WA380-8 WA400-5 WA430-5 WA430-6KomatsuUniversal Joint Assembly 423-20-32621 for Komatsu Wheel Loader WA380-5 WA380-6 WA380-7 WA380-8 WA400-5 WA430-5 WA430-6$164.00

Part Numbers and Cross References

6741-61-1530PC300-7PC360-7WA380-5WA400-5569-15-51730WA480-6WA480-5LWA480-5WA470-6WA470-5WA450-6-W1WA450-6WA450-5LWA430-6E0WA430-6421-20-15122421-20-15123WA400-3AWA400-3A-SWA400-3A-SNWA400-3-HWA400-3-XWA400-5LWA420-1LCWA420-3WA420-3CS569-15-51720WA430-5WA380-6A36001-UPH60266A42001-UPA41001-UP705-33-26540WA300-3AWA300-3A-SNWA300-3A-XWA320-3WA320-3MCWA380-5LWA380-5-SNWA380-5-TN705-55-3308060001-UP70001-UPH50051WA400-5H50051A52001-UP421-43-27460WA430-5-SNWA450-3WA450-3AWA450-3A-S4230331321A40001-UP423-22-32662423-22-32660WA380-7423-20-32621HM300-2WA380-8WA380-8E0

Applications and Fitment Summary

  • Komatsu · Komatsu Engine 6D114 PC300-7 PC360-7 WA380-5 WA400-5
  • Part Number
  • Komatsu · s: Fit For Komatsu Loader: WA400-1, WA400-3A, WA400-3A-S, WA400-3A-SN, WA400-3-H, WA400-3-X, WA400-5, WA400-5L, WA420-1LC, WA420-3, WA420-3CS, WA420-3L, WA420-3MC, WA420-DZ-3, WA430-5, WA430-5-SN, WA430-6, WA430-6E0, WA450-1, WA450-2, WA450-3, WA450-3A, WA450-3A-S, WA450-3A-TN, WA450-3-H, WA450-3L, WA450-3MC, WA450-3-X, WA450-5L, WA450-6, WA450-6-W1, WA450L-3, WA470-1, WA470-3, WA470-5, WA470-6, WA470-6R, WA470-7, WA470-8, WA470-8E0, WA470-DZ-3, WA475-10E0, WA480-5, WA480-5L, WA480-6, WA480-8, WA480-8E0, WF450-3, WF450T-1, WF450T-1A, WF450T-3
  • Komatsu · Komatsu WA320-3 WA380-5 WA430-5 WA400-5 WA380-5L WA400-5L WA320-3MC WA300-3A-X WA300-3A
  • Komatsu · s: Komatsu Wheel Loader: WA300-3A, WA300-3A-SN, WA300-3A-X, WA320-3, WA320-3MC, WA380-5, WA380-5L, WA380-5-SN, WA380-5-TN, WA400-5, WA400-5L, WA430-5
  • Komatsu Wheel Loader WA400-5 WA400-5L WA380-5 WA380-5L Hydraulic Pump 705-55-33080
  • Komatsu · WA380-5 S/N 60001-UP WA380-5 S/N 60001-UP (Overseas Version) WA380-5-TN S/N 60001-UP WA380-5-SN S/N 60001-UP WA400-5 S/N 70001-UP WA380-5 S/N H50051 - Up WA400-5 S/N WA400-5H50051 - Up WA380-5L S/N A52001-UP WA400-5L S/N A40001-UP
  • Komatsu · s: Komatsu Wheel Loader: WA400-5, WA400-5L, WA380-5, WA380-5L
  • Komatsu · s: Fit For Komatsu Loader: WA380-5, WA380-5L, WA380-5-SN, WA380-5-TN, WA400-5, WA400-5L, WA420-3, WA430-5, WA430-5-SN, WA450-3, WA450-3A, WA450-3A-S, WA450-3A-TN, WA450-3-H, WA450-3L, WA450-3MC, WA450-3-X, WA450-5L, WA450L-3, WA470-3, WA470-5, WA470-DZ-3, WA480-5, WA480-5L, WA500-3, WA500-3H, WA500-3L, WA500-3LK, WA500-6, WA500-6R, WA600-3, WA600-3D, WA600-3LK, WA600-6, WA600-6R, WA700-3, WA700-3L, WA800-3, WA800-3E0, WA800-3LC, WA800L-3, WA900-3, WA900-3E0, WA900-3LC, WA900L-3 Fit For Komatsu Dozer: WD500-3, WD600-3, WD600-6, WD900-3 Fit For Komatsu Compactor: WF450-3, WF450T-3, WF550-3D, WF550T-3, WF550T-3A, WF550T-3D, WF650T-3
  • Komatsu · s: Fit for Komatsu Wheel Loader: WA380-5, WA380-6, WA380-5-TN, WA380-5-SN, WA430-5, WA430-6, WA430-5-SN, WA400-5, WA380-7, WA430-6E0, WA380-5L, WA400-5L, WA380Z-6, WA380-8, WA380-8E0
  • Komatsu · s: Fit for following models: Komatsu Dump Truck: HM300-1L, HM300-2, HM300TN-1 Komatsu Motor Grader: GD535-5 Komatsu Wheel Loader: WA380-5, WA380-5L, WA380-5-SN, WA380-5-TN, WA380-6, WA380-7, WA380-8, WA380-8E0, WA400-5, WA400-5L, WA430-5, WA430-5-SN, WA430-6, WA430-6E0

Frequently Asked Questions

What parts replace OEM number WA400-5?

This page lists 10 replacement listings indexed under WA400-5. Compare cross references, applications, and pricing before ordering.

How do I confirm fitment for WA400-5?

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 WA400-5 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.