Isuzu camshaft 9841277974 98412-77974 China manufacturer supplier Isuzu 4JB1 engine parts

◆ Product Overview
A high-precision camshaft engineered for the legendary Isuzu 4JB1 series of compact, high-reliability diesel engines. This critical component from a certified China manufacturer serves as a direct replacement for OEM part numbers 98412-77974 and 9841277974. Designed to restore exact valve timing and engine efficiency, it provides an OEM-equivalent solution for major overhauls and rebuilds in light commercial vehicles, industrial equipment, and generator sets worldwide.

◆ Manufacturer Information
✓ Manufacturer Type: China Compact Diesel Engine Parts Specialist
✓ Certification: ISO 9001:2015, IATF 16949 Certified
✓ Specialization: Isuzu 4JB Series Engine Components
✓ Supply Model: Factory Direct to Global Automotive & Industrial Markets

◆ Part Number & Application
✓ OEM Part Numbers: 98412-77974 / 9841277974
✓ Engine Model: Isuzu 4JB1 Diesel Engine
✓ Application: Complete Engine Overhaul & Major Rebuild
✓ Primary Use: Isuzu N-Series Trucks (NPR, NQR), Light Buses, Industrial Generators, Agricultural Machinery

◆ Product Specifications
✓ Product Type: High-Precision Engine Camshaft
✓ Condition: 100% New, Factory Direct Quality
✓ Manufacturer Origin: China Precision CNC Manufacturing
✓ OEM Reference: Direct Replacement for Isuzu 4JB1 Specifications
✓ Key Feature: Precision-ground to restore original valve lift, duration, and fuel economy characteristics

◆ Manufacturing Advantages
✓ 4JB1 Engine Expertise: Specialized knowledge of the Isuzu 4JB1 engine's cam profiles, a cornerstone of global light-duty diesel power.
✓ Precision Grinding Technology: Utilizes advanced CNC cam grinding equipment to replicate exact OEM lobe profiles for optimal performance and longevity.
✓ Material & Heat Treatment: Manufactured from high-grade alloy steel with precise induction hardening on lobes and journals for excellent wear resistance in high-mileage applications.
✓ Rigorous Quality Control: 100% inspection of critical dimensions ensures perfect fitment and correct engine timing.
✓ High-Volume Reliability: Production processes are optimized for the consistent quality demanded by the vast 4JB1 aftermarket.

◆ Quality Assurance Process
✓ Material certification from accredited suppliers of camshaft-grade steel.
✓ Full-profile inspection using optical comparators and CMM against OEM master specifications.
✓ Hardness testing to verify proper heat treatment depth on all lobes and bearing journals.
✓ Surface finish analysis to ensure proper lubrication and reduced friction.
✓ Straightness and run-out verification for smooth engine operation.

◆ Supply Chain Management
✓ Production Capacity: High-volume precision line for this globally popular engine component.
✓ Lead Time: 40-50 days for precision grinding and hardening processes.
✓ Minimum Order: Competitive MOQ for automotive and industrial parts distributors.
✓ Packaging: Custom protective packaging to prevent damage to precision-ground surfaces.
✓ Logistics: Efficient global shipping to automotive and industrial equipment hubs.

◆ Technical Support Services
✓ Clear application guide for the 4JB1 engine model.
✓ Installation guidelines including timing gear alignment procedures.

◆ Market Applications
✓ Light Truck & Van Repair: Essential for overhauling engines in Isuzu NPR/NQR and similar delivery vehicles.
✓ Industrial Generator Set Service: Critical component for 4JB1-powered generator rebuilds.
✓ Global Isuzu Parts Distributors: Fundamental inventory item for one of the world's most common diesel engines.