High Quality Diesel Engine Part V28 VT28 VTA28 Main Bearing Set AR4220 for

Keywords: AR4220 main bearing set, V28 VT28 VTA28 crankshaft main bearing kit, diesel engine main bearing shell, excavator engine spare parts, heavy‑duty construction machinery bearing, aftermarket replacement bearing set

Product Overview

Main Bearing Set Part No.AR4220 is complete crankshaft main bearing kit for V28, VT28, VTA28 diesel engines, widely applied on excavators and heavy‑duty construction machinery. It bears large radial load of crankshaft during engine operation, forms stable lubricating oil film and reduces friction loss between crankshaft and engine cylinder block. This replacement bearing set resolves common engine faults including abnormal knocking noise, metal rattling, low oil pressure and bearing burnout 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

• Premium bimetallic alloy material, stable load‑bearing and anti‑friction performance under heavy‑duty working conditions.
• Precise machining size, good fitting performance to maintain stable lubricating oil film.
• Excellent surface treatment, resist scratch and alloy layer peeling, prolong service life.
• Perfect direct‑fit installation, suitable for V28 VT28 VTA28 engine overhaul and maintenance work.
• Effectively eliminate abnormal knocking and low oil pressure problems caused by worn original bearings.

Application Scope

Fit Equipment: Excavators and heavy‑duty machinery equipped with V28, VT28, VTA28 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.