Cum mins 6L K2 4089758 4089759 Gasket Kit for Komatsu PC450-7 Zoomlion ZE520E Excavator

Our premium Cum mins 6L K2 Gasket Kit (OE: 4089758, 4089759, 4086758, 4025107) is engineered to meet Cum mins OEM standards, crafted with high-quality multi-layer metal (MLS) and high-purity graphite composite materials (graphite purity ≥98%). It is specifically designed for heavy-duty excavators equipped with Cum mins 6L K2/6L 8.9L inline 6-cylinder turbocharged diesel engines, delivering exceptional sealing performance, heat resistance up to 230℃/446℉, and durability.

• Dual Material Options: Metal MLS for high-pressure heavy-duty mining use; High-purity graphite composite (≥98% purity) for optimal conformity, fitting both new and older 6L K2 engine models
• Perfect Fit: Precisely manufactured to match Cum mins 6L K2 engine dimensions (114mm*145mm bore&stroke), 100% compatible with Komatsu PC450-7, Zoomlion ZE520E excavators
• Superior Sealing: Leak-free performance for combustion chambers, oil and coolant systems, maintaining optimal engine compression (16.8:1) and preventing costly engine damage
• Heavy-Duty Durability: Withstands harsh construction and mining environments, heat resistance up to 230℃, pressure resistance up to 1800 psi, ensuring long service life for 8.9L 6L K2 engines
• Easy Installation: Direct Cum mins OEM replacement, no modifications needed, saving time and labor costs for engine repair and overhaul projects
• Complete OE Cross-Reference: Multiple compatible OE numbers, convenient for customers to match original Cum mins parts and place orders quickly

100% compatible with:

• Cum mins 6L K2, 6L 8.9L Inline 6-Cylinder Turbocharged Diesel Engines (8.9L displacement, 114mm*145mm bore&stroke, 250-280kW rated power)
• Komatsu PC450-7, PC400-7, PC360-7, PC350-7 Excavators
• Zoomlion ZE520E, ZE480E; Shantui 933D, 942D; XCMG XE360D, XE305D Excavators
• LiuGong 936E; Lonking CDM6250; Cater pillar 330D Excavators (equipped with Cum mins 6L K2 engine)
• Heavy Construction Machinery, Mining Trucks, Quarry Equipment (equipped with Cum mins 6L K2 engine)

Every Cum mins 6L K2 Gasket Kit undergoes strict quality control checks, including dimension verification (±0.02mm tolerance), heat resistance testing, pressure testing (1200 psi), and sealing performance testing, ensuring consistent performance and leak-free operation.

Compliant with ISO 9001 and TS 16949 standards, it is a trusted choice for professional mechanics, excavator fleet operators and repair shops worldwide, meeting Cum mins OEM specifications for perfect fit and long-lasting durability.