Mitsubishi 34309-09051 3430909051 Crankshaft Bearing for S6K Diesel Excavator Engine Parts

Mitsubishi 34309-09051 Crankshaft Bearing (cross reference 3430909051), also known as Main Bearings, is a precision-engineered half-shell bearing specifically designed for the Mitsubishi S6K diesel engine. As a professional supplier of Excavator Engine Parts, we provide reliable Mitsubishi Parts that support the crankshaft with stable oil film clearance and protect the engine under continuous heavy-load operation.

Key Features

• Precision-machined half-shell design ensures accurate fitment on the crankshaft main journals of Mitsubishi S6K engines
• Steel-backed aluminum alloy construction delivers excellent wear resistance and high load capacity
• Strict dimensional tolerance control maintains stable oil film clearance for smooth engine operation
• Direct replacement for part numbers 34309-09051 / 3430909051
• Anti-corrosion surface treatment extends service life in demanding working conditions
• Ideal for excavator diesel engines and heavy-duty construction equipment

Specifications

Applications

These Mitsubishi main bearings are widely applied in S6K diesel engines installed on excavators, wheel loaders and other construction machinery. During engine overhaul, replacing the Crankshaft Bearing set restores correct crankshaft support and oil clearance, reducing friction and preventing premature engine wear.

Why Choose Us

• Strict quality control from material selection to finished product inspection
• Consistent supply of Mitsubishi Parts for excavator engine maintenance
• Professional support team helps confirm fitment before ordering
• Export-grade packaging protects bearings during long-distance shipping

For more Excavator Engine Parts and Mitsubishi Parts, please contact us with your engine model and part number. We are glad to offer the right Main Bearings solution for your equipment.