Cummins camshaft 3938163 China manufacturer supplier Cummins QSC8.3 ISCE8.3 engine parts

◆ Product Overview
A high-precision, heavy-duty camshaft engineered for the advanced Cummins QSC8.3 and ISCE8.3 series of industrial and electronic diesel engines. This critical component from a certified China manufacturer serves as a direct replacement for OEM part number 3938163. Designed to restore exact valve timing and engine performance, it provides an OEM-equivalent solution for major overhauls and rebuilds in demanding applications such as construction machinery, industrial power generation, and heavy-duty commercial vehicles.

◆ Manufacturer Information
✓ Manufacturer Type: China Modern Industrial Engine Parts Specialist
✓ Certification: ISO 9001:2015, IATF 16949 Certified
✓ Specialization: Cummins QSC/ISC Series Engine Components
✓ Supply Model: Factory Direct to Global Construction, Industrial & Transportation Markets

◆ Part Number & Application
✓ OEM Part Number: 3938163
✓ Engine Models: Cummins QSC8.3, ISCE8.3 Diesel Engines
✓ Application: Complete Engine Overhaul & Major Rebuild
✓ Primary Use: Construction Equipment (Excavators, Loaders), Industrial Generator Sets, Heavy-Duty Trucks, Marine Auxiliary Engines

◆ Product Specifications
✓ Product Type: Heavy-Duty Engine Camshaft
✓ Condition: 100% New, Factory Direct Quality
✓ Manufacturer Origin: China Precision CNC Manufacturing
✓ OEM Reference: Direct Replacement for Cummins QSC8.3 / ISCE8.3 Specifications
✓ Key Feature: Precision-ground to meet the specific torque and power characteristics required by both industrial and electronic engine variants

◆ Manufacturing Advantages
✓ QSC/ISC Platform Expertise: Specialized knowledge of the cam profiles and hardening requirements for Cummins' robust 8.3-liter platform, used in both mechanical and electronic configurations.
✓ Precision Grinding Technology: Utilizes advanced CNC cam grinding equipment to replicate exact OEM lobe profiles for optimal valve timing, power output, and fuel efficiency.
✓ Material & Heat Treatment: Manufactured from high-grade alloy steel with precise induction hardening on lobes and journals for exceptional wear resistance in high-stress, high-hour applications.
✓ Rigorous Quality Control: 100% inspection of critical dimensions ensures perfect fitment, correct timing, and smooth engine operation.
✓ Multi-Application Validation: Products are validated for reliability in diverse sectors from construction sites to power plants.

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

◆ Supply Chain Management
✓ Production Capacity: Dedicated precision line for modern industrial engine components.
✓ Lead Time: 45-55 days for precision grinding and hardening processes.
✓ Minimum Order: Competitive MOQ for industrial, construction, and transportation parts distributors.
✓ Packaging: Custom protective packaging to prevent damage to precision-ground surfaces.
✓ Logistics: Efficient global shipping to key industrial and equipment hubs.

◆ Technical Support Services
✓ Detailed application guide for QSC8.3 and ISCE8.3 engine models.
✓ Installation guidelines including timing procedure and bearing clearance specifications.

◆ Market Applications
✓ Construction Equipment Service: Essential for overhauling engines in excavators, loaders, and cranes powered by the QSC8.3.
✓ Power Generation Industry: Critical component for generator set engine rebuilds.
✓ Heavy-Duty Vehicle Maintenance: Key part for truck and bus engine overhauls.