New Arrival Diesel Engine Parts K50 Main Bearing Set 3018211

Keywords: 3018211 main bearing set, K50 crankshaft main bearing kit, diesel engine main bearing shell, excavator engine spare parts, construction machinery engine bearing, aftermarket replacement bearing set

Product Overview

Main Bearing Set Part No.3018211 is complete crankshaft main bearing set with thrust washer for K50 diesel engine, widely applied on excavators and heavy‑duty construction machinery. It supports crankshaft radial load, bears axial thrust force, forms stable lubricating oil film and reduces friction loss during engine running. This replacement bearing set resolves typical engine faults including abnormal knocking noise, metal rattling, low oil pressure, crankshaft axial movement and bearing melting caused by original bearing wear, surface scratch and alloy layer peeling. Each main bearing set undergoes strict material test and dimensional tolerance inspection before shipment.

Detailed Specifications

Key Features & Advantages

• ✅ High‑quality bimetallic alloy material, excellent load‑bearing and anti‑friction performance under heavy‑duty working conditions.
• ✅ High‑precision standard size machining dimension, perfect fitting tolerance to maintain stable lubricating oil film.
• ✅ Good wear‑resistance and anti‑spalling property, effectively prevent crankshaft journal scratch damage.
• ✅ Matching thrust washer controls crankshaft axial clearance, avoids axial displacement failure.
• ✅ Reliable surface treatment, extend service life of crankshaft and related engine components.
• ✅ Direct replacement installation, ideal for K50 engine overhaul and maintenance projects.
• ✅ Effectively eliminate abnormal knocking and low oil pressure troubles caused by damaged original bearings.

Application Scope

Fit Equipment: Excavators and heavy‑duty machinery equipped with K50 diesel engine ‑ Widely applied for engine repair workshops and routine equipment maintenance projects.

Our Company Advantage

• We are professional supplier of full‑range construction machinery spare parts, supplying engine parts, hydraulic parts, electrical parts, seal kits and complete overhaul kits.
• Large ready stock for various machinery spare parts
• Factory‑direct wholesale competitive price
• Mixed‑order & one‑stop spare‑parts procurement supported
• Professional part‑number matching technical support service

Packaging & Shipping

• Neutral export carton box with shock‑proof inner packing, avoid scratch and collision during long‑distance transportation
• Multiple shipping options: sea freight, air freight, international express for small trial orders
• Export documents such as 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