Spider & Bearing Kit – 421-20-12620

This listing is for Spider & Bearing Kit, part number 421-20-12620, referenced for the Komatsu engines and applications shown below. The part number is retained exactly so buyers can compare it directly with an existing component, parts book, or service record.

Komatsu Fitment Overview

Catalog data currently associates this product with 1 listed Komatsu engine/application: Multiple Applications.

Compatible Engines / Applications

• Multiple Applications

Product Details

• Item: Spider & Bearing Kit
• Part Number: 421-20-12620
• Brand / Application Reference: Komatsu
• Catalog Specification: As stated in the product name
• Listed Applications: 1

Service and Replacement Notes

Bottom-end components require precise identification. Match the stated bearing or metal size, whether the listing is a pair or a set, and the complete application code. This helps prevent ordering a dimensionally different component that may share a similar catalog description.

Before Ordering

Before ordering, compare 421-20-12620 with the number on the original part or with trusted service information. Also verify the full engine or machine designation, including suffixes, series codes, and size references where applicable.