V‑Belt 04120‑21759 For Komatsu Engine 4D105 6D125 6D95L 4D94

Keywords: 04120‑21759, V‑Belt, Komatsu V‑belt, 04120‑21759 fan belt, 4D105 engine belt, 6D125 spare parts, diesel engine V belt, excavator engine rubber belt, construction machinery replacement belt

🔹Product Overview

This V‑Belt Part No.04120‑21759 is an important power transmission rubber component specially designed for Komatsu diesel engine 4D105, 6D125, 6D95L, 4D94. It transfers rotational power to drive fan, water pump and alternator, ensuring normal heat dissipation and power‑supply of the whole engine. Our aftermarket V‑belt is manufactured with high‑strength rubber composite material, strictly produced according to OEM dimension standard. It features excellent wear‑resistance, anti‑crack and heat‑resistant performance, keeps stable transmission under heavy‑load, high‑temperature construction working conditions. It is a reliable replacement spare part for engine routine maintenance and overhaul.

🔹Detailed Specifications

🔹Key Features & Advantages

• Strict OEM Size Standard Accurate perimeter, width and tooth profile, perfect fit for original pulley, no modification required for installation.
• High‑Strength Composite Rubber Material Good heat‑resistant, oil‑resistant and anti‑aging property, adapt to high‑temperature engine compartment environment.
• Excellent Tensile & Wear‑Resistant Performance Hard to stretch and deform under long‑time high‑speed running, reduce slipping phenomenon during operation.
• Stable Power Transmission Uniform force bearing, low noise, effectively extend service life of fan, water pump and alternator accessories.
• Easy Installation & Direct Replacement Light‑weight structure, convenient for on‑site mechanic disassembly and replacement, shorten machine downtime.

🔹Application Scope

Compatible Equipment List:

• Fit Engine: Komatsu 4D105, 6D125, 6D95L, 4D94
• Widely used for Komatsu excavators, wheel loaders and other construction machinery equipped with above engines

🔹Our Company Advantage

We are professional supplier of full‑range excavator & diesel engine spare parts, supplying various engine belts, hoses, filters, seals, engine overhaul kits, electrical parts and other construction machinery replacement components.

• Large ready stock for various engine spare parts
• Factory direct wholesale competitive price
• Mixed‑order & one‑stop spare‑parts procurement supported
• Professional part‑number matching technical support service

🔹Packaging & Shipping

• Independent inner package, avoid extrusion and scratch during transit
• Outer export carton for safe land and sea transportation
• Multiple shipping selections: sea freight, air freight, international express for small trial orders
• Export documents including Commercial Invoice, Packing List can be provided

🔹Contact Us

If you need more excavator spare parts or other construction machinery replacement components, please send your parts list to us. We will offer our best quotation for you quickly.