4HG1T Main Bearing & Connecting Rod Bearing 0.50 8-97045802-2 8-97045912-2 for Isuzu Engine Parts

Product Details

Product Overview

This premium undersize engine bearing set is specifically designed for the Isuzu 4HG1T diesel engine. The set includes both main bearings and connecting rod bearings, precision manufactured to an undersize of 0.50mm (0.50 OS) to restore engine clearances during rebuild or overhaul. These bearings are critical components for ensuring proper crankshaft support and connecting rod alignment in heavy-duty applications.

Identified by OEM part numbers 8-97045802-2 (main bearing) and 8-97045912-2 (connecting rod bearing), this set is an ideal replacement for Isuzu 4HG1T engines commonly found in construction, industrial, agricultural, and marine equipment. As a direct fitment component, it provides the reliability required for demanding operational environments.

Key Features & Benefits

• Precision Undersize Fitment: Manufactured to a 0.50mm undersize specification, allowing for proper clearance restoration when the crankshaft has been ground down during engine rebuild.
• OEM-Spec Dimensions: Produced to match original Isuzu factory specifications, ensuring correct oil clearance and load distribution for extended engine life.
• Durable Bearing Material: Constructed from high-strength steel-backed material with a lead-bronze or aluminum alloy lining for excellent fatigue resistance and wear characteristics.
• Complete Set Solution: Includes both main bearings and connecting rod bearings in one package, simplifying procurement for engine rebuilders and parts distributors.
• Verified Quality Control: Each bearing set undergoes outgoing inspection with video documentation available, providing traceability and quality assurance for B2B buyers.
• Versatile Application: Suitable for a wide range of equipment types including construction machinery, industrial engines, agricultural tractors, generator sets, and marine propulsion systems.

Technical Specifications

OEM Cross-Reference

This bearing set replaces the following Isuzu genuine part numbers:

• Main Bearing: 8-97045802-2
• Connecting Rod Bearing: 8-97045912-2

Note: These are direct OEM replacement numbers. Always verify the exact part number required for your specific engine application before ordering.

Compatibility

This bearing set is specifically designed for the Isuzu 4HG1T diesel engine. It is commonly used for the following equipment types:

• Construction Machinery: Excavators, wheel loaders, bulldozers
• Industrial Equipment: Forklifts, compressors, pumps
• Agricultural Machinery: Tractors, harvesters, irrigation pumps
• Power Generation: Generator sets (gensets)
• Marine Applications: Work boats, fishing vessels, auxiliary engines
• Material Handling: Cranes, telehandlers, reach stackers

Compatibility is based on engine model only. Vehicle/equipment model fitment may vary; please confirm your engine model and bearing size requirements before purchase.

Global Supply & Distribution

We ship this product worldwide from our distribution center in Guangdong, China, offering reliable logistics solutions to meet international B2B demands. Our supply chain is optimized for fast delivery to major ports and industrial centers across:

• North America: Los Angeles, Houston, New York, Toronto, Vancouver
• Europe: Rotterdam, Hamburg, Antwerp, Felixstowe, Gdansk
• Asia-Pacific: Singapore, Dubai, Shanghai, Busan, Sydney
• Middle East & Africa: Jebel Ali, Dammam, Mombasa, Durban
• Latin America: Santos, Callao, Manzanillo, Buenos Aires

With extensive export experience and compliance with international trade standards, we ensure smooth customs clearance and documentation for all shipments. Bulk orders and consolidated shipping are available for volume buyers.

Quality Assurance

Each bearing set is manufactured under strict quality control protocols to ensure dimensional accuracy and material integrity. Our quality assurance process includes:

• Machinery Test Report: Provided with each shipment, documenting dimensional checks and material composition analysis.
• Video Outgoing Inspection: Available upon request, showing the actual product being inspected before packaging.
• 6-Month Warranty: Covers manufacturing defects in materials and workmanship.
• After-Sales Support: Online technical support available for fitment and installation inquiries.

FAQ

Q1: How do I verify that these 0.50mm undersize bearings are correct for my engine rebuild?

These bearings are designed for use when the crankshaft has been ground down by 0.50mm (0.50 OS). You must measure your crankshaft journal diameters after grinding to confirm they are within the undersize specification. If your crankshaft has been ground to a different undersize (e.g., 0.25mm or 1.00mm), you will need the corresponding bearing set. Always consult your engine service manual for clearance specifications.

Q2: Can these bearings be installed without special tools?

While basic hand tools can be used for installation, we recommend using a bearing seating tool or a soft-faced mallet to avoid damaging the bearing shells. Proper alignment is critical—ensure the bearing tangs are correctly seated in the connecting rod or main bearing bore. Do not mix upper and lower bearing shells if they are marked differently. Always lubricate bearings with clean engine oil during assembly.

Q3: What maintenance practices extend the life of these bearings?

Regular oil changes using the correct viscosity grade (typically 15W-40 for the 4HG1T) are essential. Maintain proper oil pressure—low oil pressure can cause bearing failure. Always use high-quality oil filters and replace them during each oil change. During engine operation, avoid prolonged idling and ensure the cooling system maintains proper operating temperatures to prevent oil degradation and bearing wear.