Piston Kit – 1239961H91

For buyers searching by part number or engine application, this page identifies Piston Kit 1239961H91 and the Komatsu compatibility data supplied for it. Review the full list before ordering, especially where model suffixes or combined application codes are shown.

Komatsu Fitment Overview

Catalog data currently associates this product with 7 listed Komatsu engine/application references. Examples include S6D170-1, S6D170E/SA6D170E/SAA6D170E-2, SA6D170-1, with the complete list provided below.

Compatible Engines / Applications

• S6D170-1
• S6D170E/SA6D170E/SAA6D170E-2
• SA6D170-1
• SA6D170-A-1T
• SA8V170-1
• SA12V170-1
• SA12V170E-2A

Product Details

• Item: Piston Kit
• Part Number: 1239961H91
• Brand / Application Reference: Komatsu
• Catalog Specification: As stated in the product name
• Listed Applications: 7

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

The most reliable fitment check is an exact part-number match combined with matching application data. Confirm 1239961H91 against the original component, parts manual, or service record before purchase.