Part number lookup

WA420-3 Replacement Parts

Cross-reference and compare 18 replacement listings for OEM / aftermarket part number WA420-3. Use this part-number page — not a generic equipment or brand hub — to review price, availability, and fitment before ordering.

18 Matching Products

Hydraulic Pump 705-34-29540 SAR28 for Komatsu Wheel Loader WA400-3 WA420-3 WA500-3KomatsuHydraulic Pump 705-34-29540 SAR28 for Komatsu Wheel Loader WA400-3 WA420-3 WA500-3$1,292.21Water Tank Engine Radiator 423-03-21111 for Komatsu Wheel Loader WA350-3A WA380-3 WA400-3 WA420-3ReferenceWater Tank Engine Radiator 423-03-21111 for Komatsu Wheel Loader WA350-3A WA380-3 WA400-3 WA420-3$5,749.96Emergency 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$1,480.47Flange 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$958.00Gear 714-07-13541 for Komatsu Loader WA400-3A WA400-3-H WA420-3CS WA450-3-H WA470-3 WF450-3 WF450T-3KomatsuGear 714-07-13541 for Komatsu Loader WA400-3A WA400-3-H WA420-3CS WA450-3-H WA470-3 WF450-3 WF450T-3$10,028.00Hydraulic Filter 419-15-16930 for Komatsu WA380-3 WA320-3 WA420-3 WA470-3 WA180-3 WA250-3 WA120-3L WA200-3 WF450-3KomatsuHydraulic Filter 419-15-16930 for Komatsu WA380-3 WA320-3 WA420-3 WA470-3 WA180-3 WA250-3 WA120-3L WA200-3 WF450-3$33.00Hydraulic Filter 419-15-16930 for Komatsu WA380-3 WA320-3 WA420-3 WA470-3 WA180-3 WA250-3 WA120-3L WA200-3 WF450-3KomatsuHydraulic Filter 419-15-16930 for Komatsu WA380-3 WA320-3 WA420-3 WA470-3 WA180-3 WA250-3 WA120-3L WA200-3 WF450-3$33.00Hydraulic Pump 705-12-35240 For Komatsu Wheel Loader WA400-3A WA400-3-H WA420-3 WA420-DZ-3KomatsuHydraulic Pump 705-12-35240 For Komatsu Wheel Loader WA400-3A WA400-3-H WA420-3 WA420-DZ-3$1,151.75Hydraulic Pump 705-22-40090(SAR100) for Komatsu Wheel Loader WA420-3-X WA420-3 WA420-3MC WA400-3KomatsuHydraulic Pump 705-22-40090(SAR100) for Komatsu Wheel Loader WA420-3-X WA420-3 WA420-3MC WA400-3$970.00Hydraulic Pump 705-52-30390 For Komatsu Wheel Loader WA420-3 WA400-3KomatsuHydraulic Pump 705-52-30390 For Komatsu Wheel Loader WA420-3 WA400-3$1,609.35Hydraulic Pump 705-52-30550 For Komatsu Wheel Loader WA420-3 WA420-3CS WA420-DZ-3KomatsuHydraulic Pump 705-52-30550 For Komatsu Wheel Loader WA420-3 WA420-3CS WA420-DZ-3$1,416.34Hydraulic 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$91.00Pressure Switch 421-43-22922 for Komatsu Wheel Loaders WA380-3 WA420-3 WA470-3 WA500-3 WA600-3 WA700-3 WA800-3 WA900-3Wa380-3Pressure Switch 421-43-22922 for Komatsu Wheel Loaders WA380-3 WA420-3 WA470-3 WA500-3 WA600-3 WA700-3 WA800-3 WA900-3$190.53Ring Seal 714-08-19220 for Komatsu Loader WA420-3 WA450-3 WA450L-3L WA470-3 Compactor WF450-3 WF450T-3 Crane LW250-5 HM300-1 GD555-3 GD655-3KomatsuRing Seal 714-08-19220 for Komatsu Loader WA420-3 WA450-3 WA450L-3L WA470-3 Compactor WF450-3 WF450T-3 Crane LW250-5 HM300-1 GD555-3 GD655-3$51.00Steering and Switch Pump 705-52-30560 For Komatsu Wheel Loader WA420-3 WA420-3CS WA420-DZ-3KomatsuSteering and Switch Pump 705-52-30560 For Komatsu Wheel Loader WA420-3 WA420-3CS WA420-DZ-3$1,424.49Switch 419-06-21121 for Komatsu Loader WA380-3 WA420-3 WA500-3 WA600-3 WA700-3 WA800-3 Dozer WD600-3 WD900-3KomatsuSwitch 419-06-21121 for Komatsu Loader WA380-3 WA420-3 WA500-3 WA600-3 WA700-3 WA800-3 Dozer WD600-3 WD900-3$141.41Turbo WH1E Turbocharger 6742-01-5000 6742-29-8202 CU3802675 For Komatsu Wheel Loader WA420-3 Engine 6D114-1KomatsuTurbo WH1E Turbocharger 6742-01-5000 6742-29-8202 CU3802675 For Komatsu Wheel Loader WA420-3 Engine 6D114-1$468.68Water Tank Radiator Core 424-03-D1220 424-03-21221 for Komatsu Loader WA380-3 WA420-3KomatsuWater Tank Radiator Core 424-03-D1220 424-03-21221 for Komatsu Loader WA380-3 WA420-3$2,669.00

Part Numbers and Cross References

705-34-29540WA400-3A-SWA400-3-XWA400-3-HWA420-3WA400-3AWA500-3WF550T-3WF550T-3DWF550T-3AWF550-3DWF450T-3423-03-21111WA350-3AWA380-3WA400-360001-6299950001-52999WA380-DZ-3No.10580WA380-3L704-30-34110WA400-1-AWA420-1WA450-1-AWA450-3A-TWWA450L-3WA470-1WA470-1LWA400-110001-UPWA450-3-H421-20-15122421-20-15123WA400-3A-SNWA400-5WA400-5LWA420-1LCWA420-3CS714-07-13541WA420-3LWA420-3MCWA420-3-XWA450-3WA450-3A419-15-16930WA470-3WA320-3WA100-3-HWWA100-3-XWA120L-3WA150-3-XWA120-3WA100-3-HWA200-3705-12-35240WA420-DZ-353001-UP63001-UP705-22-40090D475A-3-HDWA420-3AWY705-22-40090705-52-30390705-52-3055015055-UPR50001-UPNo.10001421-43-27460WA380-5LWA380-5-SNWA380-5-TNWA430-5WA430-5-SNWA450-3A-S421-43-2292216338-UP25233-UP50001-UPWA600-3WA600-3DWA700-3714-08-19220WA450-3LWA450-3LLWA450-3MC705-52-30560419-06-21121WA300L-3WA900L-36742-01-50006742-29-8202CU3-80-267567422-8202353672335367243802692SA6D114-1AA21271827-UP424-03-21221424-03-D1220WA250-6WA270-5WA270-7WA320-5WA320-6WA320-7WY424-03-D1220

Applications and Fitment Summary

  • Part Number
  • Komatsu · s: Komatsu Wheel Loader: WA400-3A-S, WA400-3-X, WA400-3-H, WA420-3, WA400-3A, WA500-3, WF550T-3, WF550T-3D, WF550T-3A, WF550-3D, WF450T-3, WA420-3, WA500-3L, WA420-3MC, WA500-3LK
  • Komatsu · s: Komatsu Wheel Loader
  • reference only:
  • Komatsu Wheel Loader WA400-1-A WA420-1 WA420-3 Emergency Steering Pump 704-30-34110
  • 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 · s: Fit For Komatsu Loader: WA400-3A, WA400-3A-S, WA400-3A-SN, WA400-3-H, WA400-3-X, WA420-3, WA420-3CS, WA420-3L, WA420-3MC, WA420-3-X, WA450-3, WA450-3A, WA450-3A-S, WA450-3A-TN, WA450-3A-TW, WA450-3-H, WA450-3L, WA450-3LL, WA450-3MC, WA450-3-X, WA450L-3, WA470-3, WA470-3-X, WF450-3, WF450-3-D, WF450T-3, WF450T-3-D
  • Komatsu · s: Fit for Komatsu Wheel Loader: WA380-3, WA420-3, WA470-3, WA320-3, WA380-DZ-3, WA100-3-HW, WA100-3-X, WA120L-3, WA150-3-X, WA120-3, WA100-3-H, WA200-3, WA200-3-SN, WA200-3-XW, WA200-3-X, WA200-1, WA180-3, WA150-3-SN, WA150-3, WA250L-3, WA250-3, WA250-3-SN, WA250-1, WA350-3A-S, WA320-3CS, WA320-1, WA300L-3, WA300-3A, WA300-3CS, WA300-1, WA300-3A-XW, WA300-3A-X, WA300-3A-SN, WA400-3A-S, WA400-3-X, WA350-3-X, WA350-3A, WA350-3-H, WA350-3A-SN, WA350-3A-SW, WA450-3-H, WA450-3A, WA450-3, WA450-3A-TN, WA450-3A-S, WA400-3-H, WA420-3CS, WA400-3A, WA400-3A-SN, WA450-3-X, WA450L-3, WF450-3, WA420-DZ-3, WA470-DZ-3, WA320, WF450T-3, 532, WA450-3MC, WA380-3MC, WA420-3L, WA420-3MC, WA450-3L, WA380-3L, WA320-3MC, WA320-3L, WA320-1LC, WA120-3MC, WA120-3L, WA180PT-3MC, WA180-3L, WA180-3MC, WA180PT-3L, WA250-1LC, WA250-3L, WA250-3MC, WA250PT-3MC, WA250PT-3L
  • Komatsu Wheel Loader WA400-3A WA400-3-H WA420-3 WA420-DZ-3 Hydraulic Pump 705-12-35240
  • Komatsu Wheel Loader Models: WA400-3A,WA400-3A-S,WA400-3A-SN,WA400-3-H,WA400-3-X,WA420-3,WA420-3MC,WA420-DZ-3 Details: WA400-3A S/N 53001-UP WHEEL LOADERS WA400-3A-S S/N 50001-52999 WHEEL LOADERS WA400-3A-SN S/N 53001-UP WHEEL LOADERS WA400-3-H S/N 63001-UP WHEEL LOADERS WA400-3-X S/N 60001-62999 WHEEL LOADERS WA420-3 S/N 15055-UP WHEEL LOADERS WA420-3 S/N 50001-52999 (Overseas Version) WHEEL LOADERS WA420-3 S/N 53001-UP (Overseas Version) WHEEL LOADERS WA420-3 S/N WA420H30051-30296 WHEEL LOADERS WA420-3MC S/N A31001-UP WHEEL LOADERS WA420-DZ-3 Serial No.10001 and up WHEEL LOADERS
  • Komatsu Wheel Loader WA420-3 WA400-3 Hydraulic Pump 705-52-30390
  • Komatsu Wheel Loader WA420-3 WA420-3CS WA420-DZ-3 Hydraulic Pump 705-52-30550
  • 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
  • WA380-3 S/N 16338-UP WA420-3 S/N 15055-UP WA470-3 S/N 25233-UP WA500-3 S/N 50001-UP WA600-3 S/N 50001-UP WA600-3D S/N 50001-UP WA700-3 S/N 50001-UP WA700-3 S/N 50001-UP WA700-3 S/N 50001-UP WA800-3 S/N 50001-UP WA800-3LC S/N A50001-UP WA800L-3 S/N 52001-UP WA900-3 S/N 50001-UP WA900-3LC S/N A50001-UP WA900L-3 S/N 52001-UP WD600-3 S/N 50001-UP WD900-3 S/N 50001-UP
  • Komatsu Wheel Loader WA420-3 Engine 6D114-1 Turbo WH1E Turbocharger 6742-01-5000 6742-29-8202 CU3802675
  • Model: WA420-3 Engine: SA6D114-1AA Details: WA420-3 S/N 15055-UP SA6D114-1AA S/N 21271827-UP » » WA420-3CS S/N R50001-UP (For Turkey) WA420-DZ-3 Serial No.10001 and up

Frequently Asked Questions

What parts replace OEM number WA420-3?

This page lists 18 replacement listings indexed under WA420-3. Compare cross references, applications, and pricing before ordering.

How do I confirm fitment for WA420-3?

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 WA420-3 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.

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