4B3.9 Head Bolt Kit – KMP4D102HBK

Looking up the correct 4b3.9 head bolt kit starts with the exact catalog number. This product is listed as KMP4D102HBK and is associated with the Komatsu engine/application data below. Use both the number and the full application designation when checking fitment.

Komatsu Fitment Overview

Catalog data currently associates this product with 8 listed Komatsu engine/application references. Examples include 4D130-1 & S4D130-1, 6D125-1, S6D105-1, with the complete list provided below.

Compatible Engines / Applications

• 4D130-1 & S4D130-1
• 6D125-1
• S6D105-1
• S6D108-1
• S6D110-1
• S6D125-1
• SA6D110-1
• SA6D125-1

Product Details

• Item: 4B3.9 Head Bolt Kit
• Part Number: KMP4D102HBK
• Brand / Application Reference: Komatsu
• Catalog Specification: As stated in the product name
• Listed Applications: 8

Service and Replacement Notes

Engine and equipment hardware should be matched by exact catalog reference because thread, length, grade, and application can differ even when the part appears similar. Confirm the listed part number and application before ordering.

Before Ordering

Before ordering, compare KMP4D102HBK 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.