Cum mins QSB5.9 3977063 3978517 Gasket Kit for Case Komatsu PC200-7/8 Excavator for Cum mins Engine Parts

1 SET
MOQ
$6-$16
Price
Cum mins QSB5.9 3977063 3978517 Gasket Kit for Case Komatsu PC200-7/8 Excavator for Cum mins Engine Parts
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Features
Specifications
Product Type: Head Gasket For Cum Mins QSB5.9 Engine
Engine Compatibility: Cum Mins QSB5.9
Excavator Models: Komatsu PC200-7/8, Doosan DH220-7, Hyundai R210-7/R220-7
OE Numbers: 3977063, 3978517, 3945803
Material: MLX Multi-Layer Steel With Viton Coating
Function: Combustion Chamber Sealing, Leak Prevention
Quality: ISO 9001 Certified, OEM Equivalent
Application: Heavy-Duty Excavator Engine Repair & Rebuild
Basic Infomation
Place of Origin: CHINA
Brand Name: Cum mins
Certification: ISO 9001
Model Number: QSB5.9
Payment & Shipping Terms
Packaging Details: Inner: Airtight PE bag + desiccant + EPE foam protection, corrugated carton (custom marks available)
Delivery Time: Ships in 24h (1-7 days max)
Payment Terms: T/T,Western Union,D/P
Supply Ability: 10000pcs / week
Product Description
Cum mins QSB5.9 3977063 3978517 Gasket Kit for Case Komatsu PC200-7/8 Excavator
Premium Cum mins QSB5.9 head gasket (OE: 3977063, 3978517) engineered to meet OEM specifications, providing perfect fit and reliable sealing performance for Case Komatsu PC220-7/8 Excavator equipped with Cum mins QSB5.9 engines.
Product Specifications
Brand Cum mins
Engine Model QSB5.9
OE Numbers 3977063 (supersedes 3978517, 3945803)
Gasket Type Cylinder Head Gasket
Material MLX Multi-Layer Stainless Steel with Viton Coating (heat-resistant to 250℃/482℉)
Compressed Thickness 0.060"-0.068"
Bore Size 4.02" (125mm)
Layer Quantity 5 Layers
Application Case Komatsu PC200-7/8 Excavator
Quality Standard ISO 9001 Certified, OEM Equivalent
Warranty 6 Months
Product Overview
High-performance sealing solution designed for Case Komatsu PC200-7/8 Excavator. Crafted with MLX multi-layer stainless steel and Viton coating, it withstands high temperatures, high pressure, and harsh working conditions, delivering superior sealing performance and durability that meets or exceeds OEM standards.
Key Benefits
  • Perfect Fit: Precisely manufactured to match exact dimensions of Cum mins QSB5.9 engines, direct replacement with no modifications needed
  • Superior Sealing: Viton coating and multi-layer steel structure prevent oil, coolant, and combustion gas leaks, no sealants required
  • Durable & Heat-Resistant: Withstands up to 250℃/482℉, resists corrosion and shearing force, suitable for heavy-duty excavator operations
  • Cost-Effective: OEM-quality performance at competitive price, reduces maintenance frequency and replacement costs
  • Easy Installation: Direct drop-in replacement, saves time for mechanics and equipment owners
Compatibility
  • Cum mins QSB5.9 Diesel Engines
  • Case Komatsu PC200-7/8 Excavator
  • Case Doosan DH220-7 Excavator
  • Case Hyundai R210-7/R220-7 Excavator
Quality Assurance
Every Cum mins QSB5.9 head gasket undergoes strict quality control checks, including dimension verification, compressibility testing, and heat resistance testing, to ensure consistent performance, leak-free operation, and compliance with ISO 9001 standards.
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Get in touch with us
Contact Person : Yu
Tel : 86 13570910096
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