Part number lookup
421-03-21103 Replacement Parts
Cross-reference and compare 5 replacement listings for OEM / aftermarket part number 421-03-21103. Use the product cards below to review price, availability, and fitment before ordering.
5 Matching Products
Part Numbers and Cross References
421-03-21103WA470-3WA450-3WA450-3A-TNWA450-3-HWA450-3AWA450L-3WA470-DZ-3709-12-13100709-12-13101709-12-13102WA450LWA47053001-UPLOADERSWA450-3-H63001-UPLOADERSWA450-3MCA31001-UPLOADERSWA450L-3714-07-13541WA400-3A-SWA400-3A-SNWA400-3-HWA400-3-XWA420-3WA420-3CSWA420-3LWA420-3MCWA420-3-X705-52-40130WF450-3WA450-3A-S50001-52999WA450-3-X421-43-27460WA380-5LWA380-5-SNWA380-5-TNWA400-5WA400-5LWA430-5WA430-5-SN
Applications and Fitment Summary
- Part Number
- reference only:
- 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 Wheel Loader WA450-3 WF450-3 WA470-3 Hydraulic Pump 705-52-40130
- 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
Frequently Asked Questions
What parts replace OEM number 421-03-21103?
This page lists 5 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.




