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11986542290 V Belt for Komatsu 3D78AE3B 3D84N2C 4D88E3B Engine PC251 PC407

11986542290 V Belt for Komatsu 3D78AE3B 3D84N2C 4D88E3B Engine PC251 PC407

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$44.09
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This V-Belt is a replacement belt compatible with Komatsu engines 3D78AE-3B, 3D84N-2C, 4D88E-3B and machines PC25-1, PC40-7 and matches OEM Part# 119865-42290.
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I needed a forklift part and wasn’t sure which one fit. They asked for the model and serial number, got back to me quickly, and made sure I ordered the right one. Really helpful.

Randy W. — Verified customer

Product Overview

This V-Belt is a crucial component for Komatsu engine driven equipment. It transmits power from the engine to various accessories, ensuring reliable operation. Designed for heavy-duty use, this V-Belt matches OEM specifications for Komatsu models.

Key Features & Performance

  • High tensile strength for demanding applications
  • Oil and heat resistant rubber compound
  • Precise length ensures proper tension
  • Durable construction reduces wear and extends service life
  • Direct replacement for OEM part 119865-42290

Fitment & Compatibility

  • Komatsu Engine 3D78AE-3B
  • Komatsu Engine 3D84N-2C
  • Komatsu Engine 4D88E-3B
  • Komatsu Machine PC25-1
  • Komatsu Machine PC40-7

Common Uses

  • Power transmission in Komatsu construction equipment
  • Driving alternators, water pumps, and fans
  • Excavator and bulldozer engine systems
  • Generator and compressor applications

Technical Specifications

  • Part Number(s): 119865-42290
  • Type: V-Belt

Frequently Asked Questions

Q: What is the length of this V-Belt? A: The exact length is not specified, but this OEM belt matches the original specifications for the listed Komatsu models.

Q: Can this belt be used on a Komatsu PC25-1? A: Yes, it is listed as compatible with the PC25-1 machine.

Product appearance and specifications may vary slightly by batch. Compatibility may vary by serial number. Verify fitment before purchase.

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