Z602 D902 Main And Connecting Rod Bearing 1g460-23953 1g460-23963 15861-22314 Bush 1g460-23472 For

Product Details

Product Overview

This comprehensive bearing set is specifically designed for the Kubota Z602 and D902 diesel engines, commonly found in compact tractors, mini excavators, and turf mowers. The kit includes main bearings, connecting rod bearings, and a camshaft bush, ensuring a complete overhaul solution for the engine’s rotating assembly.

The set comprises critical part numbers: 1G460-23953 (Main Bearing), 1G460-23963 (Connecting Rod Bearing), and 15861-22314 / 1G460-23472 (Bush). These components are manufactured to OEM size specifications, providing a direct replacement for worn or damaged bearings. This bearing set is essential for restoring proper oil clearance and preventing catastrophic engine failure in Kubota power units.

Key Features & Benefits

• Complete Engine Kit: Includes both main bearings, connecting rod bearings, and the necessary camshaft bush for a comprehensive bottom-end rebuild.
• OEM Standard Dimensions: Manufactured to exact original equipment specifications for reliable fitment without modification, ensuring proper oil film clearance.
• High Load Capacity: Designed to withstand the high compression and torque demands of Kubota’s industrial diesel engines, reducing wear under heavy loads.
• Precision Machining: Tri-metal or bi-metal layers provide excellent fatigue resistance and embedability for contaminants, extending service life.
• Corrosion Protection: Anti-corrosion coating protects the bearings during storage and initial engine operation, ensuring long-term reliability.
• Direct Replacement: Each bearing is marked with the correct part number (1G460-23953, 1G460-23963) for easy identification during installation, eliminating fitment guesswork.

Technical Specifications

OEM Cross-Reference

This bearing set directly replaces the following original Kubota part numbers. Please verify your engine’s specific requirements before ordering.

• Main Bearing: Kubota 1G460-23953
• Connecting Rod Bearing: Kubota 1G460-23963
• Camshaft Bush: Kubota 15861-22314, Kubota 1G460-23472

Note: This is a standard size set. If your crankshaft has been ground, you may require an undersize bearing set (e.g., 0.25mm or 0.50mm).

Compatibility

This bearing set is specifically engineered for the Kubota Z602 and Kubota D902 diesel engines. These engines are commonly used for powering:

• Kubota Compact Tractors: Models such as the B, BX, and L series that utilize the D902 engine.
• Kubota Mini Excavators: Small excavator models like the K008 and KX series.
• Kubota Zero-Turn Mowers: Commercial and residential mowers requiring the Z602 or D902 power plant.
• Industrial Equipment: Generators, pumps, and other stationary equipment powered by these Kubota blocks.

Important Fitment Notice: Compatibility is based on the engine model, not the specific vehicle chassis number. Always cross-reference your engine serial number and existing bearing part numbers to ensure correct fitment.

Global Supply & Distribution

We supply these critical engine components to a global network of workshops, parts distributors, and equipment owners. Our distribution capabilities ensure fast and reliable delivery to major industrial centers worldwide.

• North America: Stock available for fast shipping to the USA, Canada, and Mexico.
• Europe: Efficient logistics to the UK, Germany, France, Netherlands, and Poland.
• Asia-Pacific: Direct supply to Japan, Australia, New Zealand, and Southeast Asian markets.
• Middle East & Africa: Reliable shipping to UAE, Saudi Arabia, South Africa, and Kenya.

We offer flexible shipping options including air freight (DHL, FedEx, UPS) for urgent breakdowns and sea freight for bulk orders. All shipments are properly packaged with tamper-evident seals to prevent damage during transit.

Quality Assurance

Every bearing set undergoes rigorous quality control to meet the demands of heavy-duty diesel applications.

• Manufacturing Standards: Produced in ISO 9001 certified facilities using advanced precision grinding and boring techniques.
• Material Certification: Raw materials are sourced from approved steel and alloy suppliers, with batch traceability.
• Testing: Each batch is tested for hardness, crush height, wall thickness, and surface finish. Machinery Test Reports and Video Outgoing Inspection are provided upon request.
• Warranty: Covered by a 6-month warranty against manufacturing defects in material and workmanship under normal operating conditions.

FAQ

Q: How do I know if I need standard size or undersize bearings for my D902 engine?

A: Standard size bearings are used when the crankshaft journals are within OEM specifications (unworn). If the crankshaft has been reground, you will need undersize bearings (typically 0.25mm or 0.50mm). Measure the journal diameter with a micrometer to confirm. If the journal shows scoring or is out of round, it must be ground and matched with the appropriate undersize bearing.

Q: Can I install these bearings without special tools?

A: While experienced mechanics can install main and rod bearings with standard hand tools, we recommend using a torque wrench and plastigage. The main bearing caps and connecting rod caps must be torqued to the specific factory specifications for the Z602/D902. Plastigage should be used to verify oil clearance (typically 0.03-0.07mm). Over-tightening or misalignment can lead to bearing seizure. Professional installation is advised for best results.

Q: Does this set include the thrust washers for the main bearing?

A: This specific set (1G460-23953/1G460-23963) includes the main bearing shells and rod bearing shells. The camshaft bush (15861-22314) is included, but you should verify if your engine uses separate thrust washers for the crankshaft end-play. We recommend checking your engine’s parts diagram to confirm if additional thrust washers are required for a complete rebuild.