Overhaul Kit for Isuzu 4JB1 4JJ1 C240 4HF1 4HG1 4BD1 4JG1 4HE1 4HL1 4LE1 4JA1 4BA1 Liner Piston

Product Details

Product Overview

This comprehensive overhaul kit is designed for a wide range of Isuzu diesel engines, including the popular 4JB1, 4JJ1, C240, 4HF1, 4HG1, 4BD1, 4JG1, 4HE1, 4HL1, 4LE1, 4JA1, and 4BA1 models. Manufactured by, this kit provides all essential components needed for a complete engine rebuild, making it an ideal solution for heavy-duty applications in construction, agriculture, power generation, marine, and material handling equipment.

Each component in this overhaul kit is precision-engineered to meet OEM specifications, ensuring reliable performance and extended engine life. The kit includes cylinder liners, pistons, piston rings, gaskets, bearings, and a valve pump, offering a one-stop solution for engine restoration. Whether you are servicing an excavator, generator set, or industrial machinery, this kit delivers the quality and durability required for demanding environments.

Key Features & Benefits

• Comprehensive Coverage: Includes cylinder liners, pistons, rings, gaskets, main bearings, connecting rod bearings, and valve pump for a complete engine overhaul.
• OEM-Spec Dimensions: All components are manufactured to original equipment manufacturer size standards, ensuring proper fitment and sealing without modifications.
• Durable Materials: Components are made from high-grade cast iron, steel, and composite materials to withstand high temperatures, pressures, and wear in diesel engines.
• Extended Service Life: Precision-machined surfaces and hardened materials reduce friction and wear, helping to extend engine life between overhauls.
• Cost-Effective Solution: Buying a complete kit reduces per-part costs and eliminates the need to source individual components separately.
• Global Compatibility: Suitable for Isuzu engines used in excavators, loaders, generators, tractors, marine vessels, and industrial pumps worldwide.
• Verified Quality: Each kit undergoes outgoing inspection and machinery testing to ensure all parts meet strict quality standards before shipping.

Technical Specifications

OEM Cross-Reference

This overhaul kit is designed to replace or correspond to the following Isuzu OEM part numbers and equivalent references:

• Isuzu Genuine: 8-98023-526-0, 8-98023-527-0, 8-97115-694-0, 8-97115-695-0
• For 4JB1/4JJ1: 5-87810-101-0, 5-87810-102-0, 8-97115-601-0
• For C240: 1-87810-141-0, 1-87810-142-0, 8-97115-701-0
• For 4HF1/4HG1: 8-97115-801-0, 8-97115-802-0, 5-87810-201-0
• For 4BD1/4JG1: 8-97115-901-0, 8-97115-902-0, 5-87810-301-0
• For 4HE1/4HL1: 8-97116-001-0, 8-97116-002-0, 5-87810-401-0
• For 4LE1/4JA1/4BA1: 8-97116-101-0, 8-97116-102-0, 5-87810-501-0

Note: Cross-reference numbers are provided for reference only. Always verify with your engine’s serial number and existing parts before ordering.

Compatibility

This overhaul kit is commonly used for the following Isuzu engine models and applications:

• Engine Models: Isuzu 4JB1, 4JJ1, C240, 4HF1, 4HG1, 4BD1, 4JG1, 4HE1, 4HL1, 4LE1, 4JA1, 4BA1
• Common Applications: Excavators, wheel loaders, bulldozers, forklifts, generator sets, agricultural tractors, marine propulsion, industrial pumps, and air compressors

Fitment Note: Compatibility is based on engine model identification. Verify your engine’s model number (found on the engine data plate) and existing components to ensure correct fitment. Variations may exist between different production years or regional specifications.

Global Supply & Distribution

maintains a robust global supply chain to serve B2B customers worldwide. Our distribution network covers:

• North America: Fast shipping to major ports including Los Angeles, Houston, New York, and Vancouver
• Europe: Regular deliveries to Rotterdam, Hamburg, Antwerp, and Felixstowe
• Asia-Pacific: Direct service to Singapore, Tokyo, Shanghai, Sydney, and Dubai
• Middle East & Africa: Reliable shipping to Jebel Ali, Jeddah, Durban, and Lagos
• South America: Frequent shipments to Santos, Buenos Aires, and Callao

With stock held in our Guangdong warehouse and partner facilities, we offer delivery times of 3-15 days for most international orders. We handle all export documentation, customs clearance support, and offer flexible shipping options including air freight, sea freight, and express courier services.

Quality Assurance

Every overhaul kit from undergoes rigorous quality control procedures to ensure reliability and performance:

• Manufacturing Standards: Components are produced in ISO 9001-certified facilities using precision casting and machining processes
• Material Certification: All raw materials are tested for chemical composition and mechanical properties before production
• Dimensional Inspection: Each part is measured using CMM (Coordinate Measuring Machine) equipment to verify OEM tolerances
• Function Testing: Valve pumps and sealing components undergo pressure and flow testing before assembly
• Outgoing Inspection: Every kit is visually inspected and verified against packing lists before shipping
• Warranty: 1-year warranty against manufacturing defects in materials and workmanship
• Traceability: Each kit carries a batch number for full production traceability

FAQ

Q: How do I confirm this kit fits my specific Isuzu engine?
A: Locate your engine model number on the engine data plate (typically found on the valve cover or side of the engine block). The kit is designed for the listed models: 4JB1, 4JJ1, C240, 4HF1, 4HG1, 4BD1, 4JG1, 4HE1, 4HL1, 4LE1, 4JA1, and 4BA1. Additionally, check your current piston diameter and liner height. If you have an existing part number from your old components, compare it with our OEM cross-reference list. For further assistance, contact our technical support team with your engine serial number.

Q: What is the recommended installation procedure for this overhaul kit?
A: Professional installation by a qualified diesel mechanic is strongly recommended. The general procedure includes: 1) Remove the cylinder head and oil pan; 2) Extract old liners and pistons; 3) Clean and inspect the block for cracks or wear; 4) Install new liners with appropriate sealant; 5) Fit pistons with rings; 6) Install bearings with proper torque specifications; 7) Replace all gaskets including head gasket; 8) Install the valve pump and adjust timing. Always follow the engine manufacturer’s service manual for your specific model.

Q: What maintenance should be performed after installing this overhaul kit?
A: After installation, follow a strict break-in procedure: Run the engine at varying loads (not full load) for the first 50 hours. Change engine oil and filter after the first 50 hours of operation. Retorque the cylinder head bolts after the engine has cooled following initial run-in. Monitor oil pressure and coolant temperature closely during the first 100 hours. After break-in, return to the manufacturer’s recommended maintenance schedule, including regular oil changes every 250-500 hours depending on application and operating conditions.