4376517 Main Bearing Kit For QSK23 Diesel Engine

Keywords: 4376517, Main Bearing Kit, Crankshaft Main Bearing Set, QSK23 Main Bearing, QSK Engine Parts, Generator Engine Spare Parts, Heavy‑Duty Engine Bearing, Aftermarket Replacement Bearing Kit

Product Overview

4376517 main bearing kit is a core friction‑reducing overhaul component specially designed for QSK23 diesel engine. It is installed between engine crankshaft and engine block, supporting crankshaft rotation, bearing huge dynamic load generated during engine operation, forming stable lubricating oil film to reduce metal friction and protect crankshaft journal from wear damage. Our aftermarket main bearing kit is strictly manufactured according to OEM technical requirements, adopting high‑performance bimetallic alloy material with precise surface treatment. It features high load‑bearing capacity, excellent anti‑fatigue and wear‑resistant performance, stable operation for generator set, mining machinery and heavy‑duty construction equipment under long‑time heavy‑load conditions. It is reliable replacement spare part for QSK23 engine overhaul and rebuild.

Detailed Specifications

Key Features & Advantages

• Full OEM Dimension Compliance Every bearing piece strictly follows original drawing size, perfect fit for QSK23 engine, direct installation without extra machining.
• High‑Strength Bimetallic Alloy Material Premium bearing alloy layer, outstanding pressure‑resistance and anti‑fatigue property, adapt to heavy‑impact working environment.
• Fine Surface Finishing Process Smooth working surface keeps complete oil film, effectively lower friction loss, extend service life of crankshaft and engine block.
• Excellent Adaptability For Severe Conditions Resist high temperature, engine oil corrosion and frequent load fluctuation, ideal for generator and mining equipment continuous running.
• Rigorous Pre‑Shipment Inspection Complete kit undergoes dimension check and appearance screening to exclude deformed or defective bearing pieces.

Application Scope

Compatible Equipment List: ‑ Generator sets, mining machinery, large construction machinery equipped with QSK23 diesel engine

Our Company Advantage

We are professional supplier of full‑range heavy‑duty diesel engine spare parts, supplying main bearing kits, connecting rod bearings, piston kits, cylinder liners and other engine rebuild components. ‑ Large ready stock for various heavy‑duty engine bearing kits ‑ Factory direct wholesale competitive price ‑ Mixed‑order & one‑stop spare‑parts procurement supported ‑ Professional part‑number matching technical support service

Packaging & Shipping

‑ Inner independent protective package to avoid scratch and deformation during transportation ‑ Outer reinforced export carton for long‑distance sea and land 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 diesel engine spare parts or other construction machinery replacement components, please send your parts list to us. We will offer our best quotation for you quickly.