V1903 Main Bearing and Connecting Rod Bearing 1A091-23482 17311-22312 for Kubota Engine Parts

Product Details

Product Overview

This precision-engineered set includes both the main bearing and connecting rod bearing specifically designed for the Kubota V1903 diesel engine. The kit contains OEM cross-reference part numbers 1A091-23482 and 17311-22312, ensuring accurate identification and fitment for your engine overhaul or maintenance project.

Manufactured to OEM size specifications, these bearings are commonly used in a wide range of heavy equipment applications including excavators, forklifts, bulldozers, and agricultural machinery powered by the Kubota V1903 engine. Each bearing is produced with strict quality control measures to deliver reliable performance in demanding working conditions.

Key Features & Benefits

• Precision Fitment – Manufactured to exact OEM specifications for the Kubota V1903 engine, ensuring proper clearance and oil film retention during operation
• Durable Material Composition – Constructed from high-grade bearing material with excellent fatigue resistance and wear characteristics for extended service life
• Complete Bearing Set – Includes both main bearings (1A091-23482) and connecting rod bearings (17311-22312) for a comprehensive engine rebuild solution
• OEM Size Accuracy – Maintains factory-standard dimensions without requiring undersized or oversized machining during installation
• Versatile Application – Suitable for various heavy equipment types including construction, agricultural, and material handling machinery
• Cost-Effective Solution – Provides reliable aftermarket performance at competitive pricing compared to genuine OEM parts
• Easy Identification – Clear part number markings for quick verification against your engine specifications

Technical Specifications

OEM Cross-Reference

This bearing set directly replaces the following Kubota OEM part numbers:

• Main Bearing: 1A091-23482
• Connecting Rod Bearing: 17311-22312

These part numbers correspond to genuine Kubota V1903 engine components. Always verify your existing part numbers against these references before ordering.

Compatibility

This bearing set is commonly used for the following applications:

• Engine: Kubota V1903 4-cylinder diesel engine
• Equipment Types: Excavators, forklifts, bulldozers, loaders, tractors, agricultural machinery, and industrial equipment
• Vehicle Applications: Bus, truck, and other commercial vehicles equipped with the V1903 powerplant

Note: Fitment verification with your specific equipment model is recommended before purchase. This product is designed for the V1903 engine block and may not be compatible with other Kubota engine variants.

Global Supply & Distribution

We offer worldwide shipping to support international B2B buyers in the heavy equipment and engine parts industry. Our distribution network covers major markets including North America, Europe, Asia-Pacific, the Middle East, Africa, and South America.

We maintain stock levels for fast delivery to major ports and industrial centers. Typical shipping times range from 7-15 business days for air freight and 20-35 days for sea freight, depending on destination. Our export documentation supports smooth customs clearance and international trade compliance.

Quality Assurance

Every bearing set undergoes rigorous quality control procedures before shipment. Our manufacturing facility in Guangdong, China follows ISO-compliant production standards to ensure consistent dimensional accuracy and material quality.

We provide video outgoing inspection and machinery test reports upon request, allowing you to verify product quality before shipment. Each set comes with a 6-month warranty against manufacturing defects, giving you confidence in your engine rebuild investment.

Our bearings are manufactured using precision grinding and finishing processes to achieve the tight tolerances required for proper engine operation and oil clearance specifications.

FAQ

Q: Will these bearings fit my Kubota V1903 engine without modification?
A: These bearings are manufactured to OEM standard size specifications for the Kubota V1903 engine. They should fit without modification if your crankshaft journals are within factory wear limits. We recommend measuring your crankshaft journal diameters and comparing them to factory specifications before installation. If significant wear is present, undersized bearings may be required.

Q: Do I need to replace both main bearings and connecting rod bearings together?
A: While it is possible to replace only one set, we strongly recommend replacing both main and connecting rod bearings simultaneously during any engine rebuild or major service. This ensures even wear distribution, consistent oil clearance, and optimal engine performance. The set includes both types for this reason.

Q: What is the proper installation procedure for these bearings?
A: Installation requires careful attention to cleanliness, proper lubrication during assembly, and correct torque specifications for main bearing caps and connecting rod bolts. Always refer to the Kubota V1903 service manual for exact procedures, torque values, and oil clearance specifications. We recommend using plastigage to verify bearing clearance after installation. If you require technical documentation, please contact our support team for assistance.