Valve Guide – 66890

This listing is for Valve Guide, part number 66890, 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 3 listed Komatsu engine/application references. Examples include N855-1, NT855-1, NTA855-1.

Compatible Engines / Applications

• N855-1
• NT855-1
• NTA855-1

Product Details

• Item: Valve Guide
• Part Number: 66890
• Brand / Application Reference: Komatsu
• Catalog Specification: As stated in the product name
• Listed Applications: 3

Service and Replacement Notes

Cylinder-head and valvetrain components can vary by engine revision and application. Match the exact part number and full engine/application designation before ordering. Related engines may use components that appear similar but are not interchangeable.

Before Ordering

The most reliable fitment check is an exact part-number match combined with matching application data. Confirm 66890 against the original component, parts manual, or service record before purchase.