129100-52100 Fuel Lift Pump for Komatsu 3D84 3D78N 3D84E 4D84E

Product Overview

This aftermarket replacement fuel lift pump is intended for the listed Komatsu engine applications and cross-references part number 129100-52100. A fuel lift pump moves fuel from the supply side toward the engine fuel system to support normal fuel delivery.

Key Features & Performance

• Supports fuel transfer within the engine fuel system.
• Designed for use when servicing or replacing the corresponding fuel lift pump.
• Cross-references Komatsu part number 129100-52100.
• Associated with the listed Komatsu engine model applications.

Fitment & Compatibility

• for Komatsu 3D84 applications
• for Komatsu 3D78N applications
• for Komatsu 3D84E applications
• for Komatsu 4D84E applications
• for Komatsu 4D84 applications
• for Komatsu 4D88E applications
• for Komatsu S3D84 applications

Common Uses

• Replacing a worn, damaged, or malfunctioning fuel lift pump.
• Routine maintenance of the engine fuel supply system.
• Servicing fuel delivery components associated with the listed engine applications.

Technical Specifications

• Product Type: Fuel Lift Pump
• Part Number(s): 129100-52100
• Engine Application(s): Komatsu 3D84, 3D78N, 3D84E, 4D84E, 4D84, 4D88E, S3D84

Frequently Asked Questions

Q: What does a fuel lift pump do? A: A fuel lift pump transfers fuel from the supply side toward the engine fuel system to support normal fuel delivery.

Q: How should fitment be verified? A: Compare the complete part number 129100-52100 and the complete equipment or engine model designation with the existing component and application information before purchase.

This is an aftermarket replacement part and is not represented as genuine or original equipment. Product appearance and specifications may vary slightly by batch. Compatibility may vary by serial number, model year, or existing part number. Verify fitment before purchase.