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  • 320C Engine Rebuild Kit Piston Ring Liner Bearing and Gasket Set for CAT 3066 Mitsubishi S6K S6KT Complete Overhauling Kit
  • 320C Engine Rebuild Kit Piston Ring Liner Bearing and Gasket Set for CAT 3066 Mitsubishi S6K S6KT Complete Overhauling Kit
  • 320C Engine Rebuild Kit Piston Ring Liner Bearing and Gasket Set for CAT 3066 Mitsubishi S6K S6KT Complete Overhauling Kit
  • 320C Engine Rebuild Kit Piston Ring Liner Bearing and Gasket Set for CAT 3066 Mitsubishi S6K S6KT Complete Overhauling Kit
  • 320C Engine Rebuild Kit Piston Ring Liner Bearing and Gasket Set for CAT 3066 Mitsubishi S6K S6KT Complete Overhauling Kit
  • 320C Engine Rebuild Kit Piston Ring Liner Bearing and Gasket Set for CAT 3066 Mitsubishi S6K S6KT Complete Overhauling Kit
320C Engine Rebuild Kit Piston Ring Liner Bearing and Gasket Set for CAT 3066 Mitsubishi S6K S6KT Complete Overhauling Kit

320C Engine Rebuild Kit Piston Ring Liner Bearing and Gasket Set for CAT 3066 Mitsubishi S6K S6KT Complete Overhauling Kit

  • 2 - 19 Sets
    $359.10
  • 20 - 49 Sets
    $341.20
  • >= 50 Sets
    $322.80

Customization:

Customized logo（Min.Order: 200 pieces）
Customized packaging（Min.Order: 200 pieces）
Graphic customization（Min.Order: 200 pieces）
View product details

320C Engine Rebuild Kit Piston Ring Liner Bearing and Gasket Set for CAT 3066 Mitsubishi S6K S6KT Complete Overhauling Kit

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Engine Rebuilding & Overhaul: Provides essential components like pistons, piston rings, cylinder liners, bearings, and gaskets to fully rebuild or overhaul diesel engines (CAT 3066, Mitsubishi S6K/S6KT).
  • Sealing & Performance Maintenance: Includes high-quality gaskets and seals to ensure combustion chamber integrity, reduce oil leakage, and optimize engine efficiency.

Key features

  • 1. Corrosion-Resistant Materials for Enhanced Durability

    • With corrosion-resistant steel and aluminum components, you can ensure long-lasting durability in harsh diesel engine environments. ~30% longer lifespan than standard rebuild kits*

  • 2. Organized Packaging for Streamlined Installation

    • With neatly organized packaging and labeled components, you can quickly identify and retrieve parts during engine overhauls. 50% faster part retrieval compared to disorganized kits*

  • 3. High-Pressure Tolerance for Extreme Conditions

    • With high-pressure resistant piston rings and cylinder liners, you can handle extreme diesel engine pressures (up to 2000 PSI). Outperforms industry-standard kits in heavy-duty applications*

  • 4. Customizable Fit for Multiple Engine Models

    • With adaptable components (e.g., variable piston sizes and cylinder liners), you can seamlessly overhaul CAT 3066 and Mitsubishi S6K/S6KT engines. Compatible with over 5 engine configurations*

  • 5. Eco-Friendly Certifications for Compliance

    • With RoHS certification and EPR Germany Packing compliance, you can meet strict environmental regulations while ensuring sustainable packaging practices. Reduces hazardous substance exposure by 90% compared to non-certified kits*

Product details

320C Engine Rebuild Kit Piston Ring Liner Bearing and Gasket Set for CAT 3066 Mitsubishi S6K S6KT Complete Overhauling Kit

The 320C Engine Rebuild Kit is a comprehensive overhaul solution for diesel engines, featuring high-quality pistons, rings, liners, bearings, and gaskets. Designed for CAT 3066 and Mitsubishi S6K/S6KT engines, this kit ensures durability and precision with certifications like EPR_Germany_Packing and RoHS. Backed by a 1.5-year warranty, it caters to professional mechanics and heavy-duty engine repair needs.

Technical specifications

FeatureSpecificationApplication Scenario
MaterialHigh-strength steel/aluminum alloyWithstands extreme thermal and mechanical stress in diesel engines.
CertificationsEPR_Germany_Packing, RoHSEnsures compliance with EU environmental and safety standards.
CompatibilityCAT 3066, Mitsubishi S6K/S6KTUniversal fit for specified engine models, reducing downtime during overhauls.
Warranty1.5 years (parts + labor)Peace of mind for professional repair operations.
Piston RingsHeat-resistant steel with low frictionPrevents oil leakage and optimizes combustion efficiency.
Cylinder LinersBoron-treated steelEnhances wear resistance in high-pressure diesel applications.

Customization guide

Adjustable piston sizes (⌀85–⌀105mm) and cylinder liner thicknesses (2.5–4.0mm) to meet engine-specific rebuild requirements. Custom gasket sets can be tailored for non-standard cylinder head configurations.

Get inspired

Whether overhauling a CAT 3066 excavator engine or servicing a Mitsubishi S6K generator, this kit provides the precision and reliability needed for professional-grade repairs. Its modular design ensures quick part replacement, minimizing operational delays.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Material DurabilityStandard steelHigh-carbon steel (+15%)Alloy steel (+30%)*
Compatibility Range2 engine models5+ engine modelsCross-brand universal
Seal EfficiencyStandard siliconeHeat-resistant EPDMChemical-resistant Viton
Installation Time10 hours8 hours (+20% faster)6.5 hours (+35% faster)

Supplier's note

  1. Technical Breakthroughs:

    • Alloy Steel in Pro Model: 30% stronger than base materials, enabling use in mining and construction equipment with extreme load cycles.
    • EPR Compliance: Reduces environmental impact through recyclable packaging, aligning with EU regulations.
    • Viton Seals: Triple the chemical resistance of standard silicone, safeguarding against harsh engine fluids.

  2. Version Selection Guide:

    • Base Model: Ideal for occasional repair shops handling common CAT/Mitsubishi engines.
    • Advanced Model: Preferred by fleet maintenance teams needing broader compatibility and faster installation (20% quicker than Base).
    • Pro Model: Essential for heavy-duty applications like mining or marine engines, where Pro’s alloy steel and Viton seals ensure longevity in corrosive environments.

Example Use Case: The Pro version’s chemical-resistant Viton seals, combined with alloy steel pistons, enable safe handling of sulfur-rich diesel fuels—common in offshore drilling—while maintaining peak efficiency.

Frequently asked questions

  • Which rebuild kit suits CAT 3066 or Mitsubishi S6K diesel engines?

  • How do I maintain piston rings and cylinder liners for longevity?

  • Steel vs Aluminum: Which material is better for engine parts?

  • Can I customize the kit for a non-listed engine model?

  • Are the materials RoHS/EPR-certified for environmental compliance?

  • What components are included in the complete overhaul kit?

  • Is this rebuild kit suitable for heavy-duty professional use?

  • What warranty coverage does the rebuild kit provide?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
PistonsEngine overhauls for CAT/Mitsubishi diesel enginesHigh-strength forged aluminum (ASTM A380) ▲▲ over industry-standard cast aluminumEnhanced durability, lighter weight (RoHS-compliant materials)Higher cost than standard pistons
Piston RingsSealing combustion chambers in high-pressure diesel engines0.05mm gap tolerance (ISO 3335) ▲▲ over industry standard 0.1mmReduced oil consumption, improved efficiencyRequires precision installation tools (risk of misalignment)
Cylinder LinersPreventing cylinder wear in heavy-duty enginesBoron nitride coating (SAE J1203) ▲ for wear resistance (100,000+ cycles tested)Longer engine lifespan, reduced downtimeComplex machining needed (not DIY-friendly)
BearingsSupporting crankshaft rotation in high-load applicationsSilver-plated copper (ASTM B287) ▲▲ over steel (50% lower friction coefficient)Lower friction, better heat dissipation (ISO 5599-compliant)Prone to corrosion without proper lubrication
GasketsSealing engine block and cylinder head interfacesMulti-layer steel (MLS) with 15% nickel alloy (ISO 14582) ▲High thermal stability (up to 1200°C), reusableCostlier than standard rubber gaskets (EN 13500 compliance)
Overhaul KitComprehensive engine rebuilds for professional mechanicsCustom Fit (ISO 286-2) ▲▲ for CAT/Mitsubishi models + 1.5-year warranty (▲ over industry 1 year)Reduced downtime, full coverage (EPR Germany-compliant packaging)Higher upfront cost compared to individual parts (requires skilled labor)

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