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Mitsubishi S3Q2 31C94-35011 31C01-02100 Gasket Kit for Cater pillar 303C CR 303.5C Excavator

1 SET
MOQ
$15-¥20
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Mitsubishi S3Q2 31C94-35011 31C01-02100 Gasket Kit for Cater pillar 303C CR 303.5C Excavator
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Features
Specifications
Product Type: Full Engine Overhaul Gasket Kit For Mitsubishi S3Q2/S3Q2-T Engine (Multi-Material Options)
Engine Compatibility: Mitsubishi S3Q2, S3Q2-T 1.879L Inline 3-Cylinder Water-Cooled Diesel Engine
Excavator Models: Cater Pillar 303C CR, 303.5C CR, 303.5D, 303.5D CR; Terex Schaeff Mini Excavators
OE Numbers: 31C9430011, 31C94-35011, 31C9430010, 31C94-35010, 31B01-23200, 31B94-01090
Function: Comprehensive Engine Sealing, Leak Prevention, Compression Maintenance, Engine Overhaul & Repair
Material: Graphite, Multi-Layer Steel (MLS), Non-Asbestos Composite, Anti-Corrosion/Oil-Resistant Coating
Quality: ISO 9001, QS 9000 Certified, OEM Equivalent
Application: Light To Medium-Duty Excavator Engine Repair, Rebuild (Construction, Agriculture, Light Mining)
Basic Infomation
Place of Origin: CHINA
Brand Name: Mitsubishi
Certification: ISO 9001
Model Number: Mitsubishi S3Q2
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: Western Union,T/T,D/P
Supply Ability: 10000pcs / week
Product Description
Mitsubishi S3Q2 31C94-35011 31C01-02100 Gasket Kit for Cater pillar 303C CR 303.5C Excavator
Our premium Mitsubishi S3Q2 gasket kit (OE: 31C9430011, 31C94-35011) is engineered to meet OEM standards, available in graphite, metal (MLS), and non-asbestos options. It is specifically designed for Cater pillar 303C CR, 303.5C CR, 303.5D, 303.5D CR mini excavators equipped with Mitsubishi S3Q2/S3Q2-T 1.879L 3-cylinder water-cooled diesel engines, effectively preventing oil, coolant, and combustion gas leaks, maintaining optimal engine compression, and withstanding harsh light to heavy-duty operating environments (construction, agriculture, light mining).
Key Specifications
Feature Details
Brand Mitsubishi
Engine Model S3Q2, S3Q2-T (1.879L Inline 3-Cylinder 4-Stroke Water-Cooled Diesel Engine, Indirect Injection)
OE Numbers 31C9430011, 31C94-35011 (supersedes 31C9430010, 31C94-35010, 31B01-23200, 31B94-01090)
Gasket Kit Type Full Engine Overhaul Gasket Kit (Including Cylinder Head Gasket, Valve Cover Gasket, Oil Pan Gasket, O-Rings, Crankshaft Seals, etc.)
Material Graphite, Multi-Layer Steel (MLS), Non-Asbestos Composite; all with anti-corrosion, oil-resistant coating, heat-resistant up to 200℃/392℉
Engine Displacement 1.879L (114.7 cubic inches)
Cylinder Bore & Stroke 88mm * 103mm (3.46in * 4.06in)
Application Cater pillar 303C CR, 303.5C CR, 303.5D, 303.5D CR Mini Excavators; Terex Schaeff Mini Excavators (equipped with Mitsubishi S3Q2/S3Q2-T engine)
Function Comprehensive engine sealing, prevents oil/coolant/combustion gas leaks, maintains compression, supports engine overhaul and repair
Quality Standard ISO 9001, TS 16949 Certified, OEM Equivalent
Packaging Neutral Shrink-wrapped + Corrugated Carton (moisture-proof, customizable packaging available for bulk orders)
MOQ 1 Piece (bulk order with discount available)
Lead Time 2-5 Business Days (10-25 days for bulk orders)
Warranty 12 Months
Product Overview
The Mitsubishi S3Q2 gasket kit (OE: 31C9430011, 31C94-35011) is a high-performance sealing solution specifically designed for Cater  pillar mini excavators powered by Mitsubishi S3Q2/S3Q2-T 1.879L diesel engines. Available in multiple premium material options, it meets strict OEM standards and offers exceptional durability, heat resistance, and sealing performance for light to heavy-duty operations. As a direct replacement for OEM parts, it requires no modifications and includes all necessary gaskets for full engine overhaul, saving time for mechanics and equipment owners during installation.
Key Benefits
  • Multiple Material Options: Graphite, MLS metal, and non-asbestos variants to fit different operating conditions and equipment requirements
  • Perfect Fit: Precisely manufactured to match Mitsubishi S3Q2/S3Q2-T engine dimensions, 100% compatible with Cater pillar 303C CR/303.5C CR/303.5D/303.5D CR excavators
  • Superior Sealing: Tight, leak-free sealing for combustion chamber, oil, and coolant systems, maintaining optimal engine compression and performance
  • Durable & Reliable: High-quality materials with anti-corrosion and oil-resistant coating, heat-resistant up to 200℃, suitable for long-term heavy-duty use
  • Easy Installation: Direct drop-in replacement, no modifications needed, saving time and labor costs for engine repair and overhaul
Compatibility
  • Mitsubishi S3Q2, S3Q2-T 1.879L Inline 3-Cylinder 4-Stroke Water-Cooled Diesel Engine
  • Cater pillar 303C CR, 303.5C CR, 303.5D, 303.5D CR Mini Excavators
  • Terex Schaeff Mini Excavators (equipped with Mitsubishi S3Q2/S3Q2-T engine)
Quality Assurance
Every Mitsubishi S3Q2 gasket kit undergoes strict quality control checks, including dimension verification, heat resistance testing, and sealing performance testing, to ensure consistent performance and leak-free operation. Compliant with ISO 9001 and TS 16949 standards, all variants are made of premium materials to resist high temperatures, corrosion, and oil damage, making it a trusted choice for professional mechanics, excavator fleet operators, and machinery repair shops worldwide.
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