Kobelco SK380 SK400 SK450 6WG1 QSB6.7 QSL9 China Manufacturer Engine Overhaul Repair Kit Factory Piston Liner Kit Ring main bearing valve guide gasket kit Cylinder Block Cylinder Head assy Supplier

Complete Kobelco SK380/SK400/SK450 Multi-Engine Overhaul Kit

Premium Restoration Solution for Super-Large Excavator Series

Product Overview
As a professional China manufacturer, we provide complete engine overhaul solutions for Kobelco SK380, SK400, and SK450 super-large excavators with triple engine compatibility. Our comprehensive kit delivers all essential components for professional engine rebuilding and performance restoration across this super-sized excavator series.

Complete Kit Components:

• Piston & Liner Kit - Super-duty construction for multiple engine types

• Piston Ring Set - Complete high-performance sealing system

• Bearing System - Main bearings & connecting rod bearings

• Valve Train - Valve guides & complete valve assembly

• Sealing Package - Full gasket kit for complete reassembly

• Core Assemblies - Cylinder block & cylinder head

Quality Certification:
✓ OEM Standards - Precision manufacturing to original specifications
✓ Premium Materials - High-strength alloys for maximum durability
✓ Triple-Engine Compatibility - Guaranteed perfect fit for 6WG1, QSB6.7, and QSL9 engines
✓ Multi-Model Support - Covers three super-large excavator models
✓ Complete Solution - All components from single source

Technical Specifications:

• Machine Models: Kobelco SK380, SK400, SK450 Super-Large Excavators

• Engine Compatibility: 6WG1, QSB6.7, QSL9

• Application: Complete Engine Overhaul

• Quality Standard: ISO 9001 Certified

Applications:
• Super-large excavator engine overhaul
• Heavy mining equipment maintenance
• Major construction projects
• Fleet maintenance programs
• Performance restoration services

Manufacturing Advantages:

1. Factory Direct Pricing - Competitive manufacturing costs

2. Triple-Engine Support - Covers three different engine types

3. Multi-Model Coverage - Supports three super-sized excavator models

4. Technical Support - Professional engineering assistance

Production Capability
Our advanced manufacturing facility specializes in super-large mining equipment engine components, utilizing state-of-the-art CNC machining technology and comprehensive quality management systems.