Komatsu Parts Catalog
Find Komatsu parts by equipment type, full machine model and assembly. Browse verified diagrams and parts lists, check serial applicability, and select parts to buy or request a quote.
Available catalog sections
This is a partial release. Only verified assemblies are listed; check the serial and configuration on each page.
More machine models and assemblies will be added as their diagrams and applicability are verified.
Using Komatsu Parts Catalog
Use the WQC Parts Komatsu parts catalog to identify aftermarket replacement parts through equipment type, model family, full machine series, system and assembly. The published collection includes excavator and wheel-loader catalogs, with separate pages retaining model and serial applicability.
Starting with the exact machine helps distinguish engine applications, undercarriage variants and work-equipment configurations. Assembly pages provide reference diagrams, part numbers, descriptions and quantities so you can compare the listed information before selecting components.
Where a store match is available, inspect the product listing and add selected parts to the cart. For quote items, select the part references and quantities needed and prepare a quote request. This is a growing catalog of published sections, not a declaration of complete book coverage or universal compatibility.