Valve Spring in & Ex – 1W4259

Looking up the correct valve spring in & ex starts with the exact catalog number. This product is listed as 1W4259 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 1 listed Komatsu engine/application: S6D105-1.

Compatible Engines / Applications

• S6D105-1

Product Details

• Item: Valve Spring in & Ex
• Part Number: 1W4259
• Brand / Application Reference: Komatsu
• Catalog Specification: As stated in the product name
• Listed Applications: 1

Service and Replacement Notes

Pistons, rings, liners, and sleeves are internal-engine components where application and size details are critical. Match the exact part number and any size reference in the item name, then verify the complete engine/application code. Components from related engine families may not be interchangeable.

Before Ordering

Fitment should be confirmed before purchase. Match part number 1W4259 first, then compare the complete engine/application code to your equipment or service documentation. Contact your parts source for verification when the original number is unavailable.