4TNV88 Crankshaft Main Bearing & Con Rod Bearing for Yanmar 4D86 STD/0.25

Keywords: 4TNV88 main bearing, 4D86 conrod bearing, Yanmar 4TNV88 crankshaft bearing set, excavator diesel engine spare parts

🔹Product Overview

This crankshaft main bearing and connecting rod bearing set is specially designed for Yanmar 4TNV88 / 4D86 diesel engine, available in STD and 0.25 oversize. The bearing serves as friction reduction component between crankshaft, engine block and connecting rod. It can effectively reduce wear, support crankshaft operation, and is widely used for engine overhaul and maintenance of excavators and small construction machinery.

🔹Detailed Specifications

🔹Key Features & Advantages

✅ High-performance bimetallic alloy material, good load-bearing capacity and anti-fatigue property, stable under continuous high-load operation.

✅ Precise machining, good surface smoothness, low friction coefficient, effectively reduce crankshaft abrasion.

✅ Multiple size options including STD and 0.25 oversize, meet different engine repair requirements.

✅ Strict quality control, dimensional consistency, easy installation and direct replacement for old bearings.

✅ Good anti-corrosion and oil retention performance, adapt to harsh working conditions of construction machinery.

🔹Application Scope

• Suitable for Yanmar 4TNV88 and 4D86 diesel engines, widely fitted on mini excavators, small loaders and engineering equipment.
• Used for engine overhaul, replacing worn main bearing and connecting rod bearing.
• Ideal spare parts for machinery repair shops and engine rebuild service.

🔹Our Company Advantage

We are professional supplier of excavator and diesel engine spare parts, supply a full range of engine components.

• Strict quality inspection before delivery to guarantee product quality.
• Support customized orders and small batch trial orders, offer competitive factory price and fast reply for your inquiry.
• Complete product catalogue covering multiple excavator and engine models, one-stop purchasing service for various spare parts.
• Rich export experience, familiar with international trade requirements for construction machinery parts.

🔹Packaging & Shipping

• Packed with independent plastic inner packaging and export carton box to avoid scratch and damage during transportation.
• We can ship goods by sea, air or international express according to customer requirements. Fast delivery time after receiving deposit.

🔹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.