Part number lookup
421-03-21103 Replacement Parts
Cross-reference and compare 3 replacement listings for OEM / aftermarket part number 421-03-21103. Use the product cards below to review price, availability, and fitment before ordering.
3 Matching Products
ReferenceWater Tank Engine Radiator 421-03-21103 for Komatsu Wheel Loader WA470-3 WA450-3$6,213.34
KomatsuEmergency Steering Pump 704-30-34110 For Komatsu Wheel Loader WA400-1-A WA420-1 WA420-3$1,480.47
KomatsuRing 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$51.00Part Numbers and Cross References
Applications and Fitment Summary
- Part Number
- reference only:
- Komatsu Wheel Loader WA400-1-A WA420-1 WA420-3 Emergency Steering Pump 704-30-34110
Frequently Asked Questions
What parts replace OEM number 421-03-21103?
This page lists 3 replacement listings indexed under 421-03-21103. Compare cross references, applications, and pricing before ordering.
How do I confirm fitment for 421-03-21103?
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 421-03-21103 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.