6D110 S6D110 SA6D110 Cylinder Liner 6138-21-2210 6138-21-2220 for Komatsu Engine Repair Parts

Product Details

Product Overview

This high-quality cylinder liner is engineered specifically for the Komatsu 6D110, S6D110, and SA6D110 diesel engine series. Manufactured to meet stringent OEM specifications, these liners (part numbers 6138-21-2210 and 6138-21-2220) are essential components for engine overhauls and repairs in heavy-duty equipment.

Designed to restore compression and oil control, this cylinder liner provides a precision-fit solution for worn or damaged engine blocks. It is commonly used in Komatsu construction machinery, industrial generators, and agricultural equipment where reliable engine performance is critical. The liner is supplied as a direct replacement part, ensuring seamless integration during the rebuilding process.

Key Features & Benefits

• Precision Engineering: Manufactured to OEM size specifications (6138-21-2210 / 6138-21-2220) for exact fitment in 6D110 series engines.
• Durable Construction: Made from high-grade cast iron with hardened wear surfaces to withstand extreme combustion pressures and temperatures.
• Improved Oil Control: Honed cylinder bore surface ensures optimal piston ring sealing, reducing oil consumption and blow-by.
• Corrosion Resistance: Special anti-corrosion coating protects the liner exterior during storage and operation in humid or marine environments.
• 100% Inspected: Each liner undergoes dimensional checks and pressure testing to guarantee consistent wall thickness and roundness.
• Cost-Effective Solution: Premium aftermarket quality at a fraction of the dealer price, backed by a 6-month warranty against manufacturing defects.

Technical Specifications

OEM Cross-Reference

This cylinder liner directly replaces the following OEM part numbers:

• Komatsu Original: 6138-21-2210, 6138-21-2220
• Alternative References: 6D110-21-22100, S6D110-21-22200 (may vary by market)

Note: Always verify your engine’s serial number and existing part number before ordering to ensure correct compatibility.

Compatibility

This cylinder liner is designed for use in the following Komatsu diesel engine models:

• Engine Series: 6D110, S6D110, SA6D110
• Common Applications: Komatsu bulldozers (D60, D65 series), excavators (PC200-6), wheel loaders, and industrial power units.

Compatibility is inferred based on standard engine specifications. Please confirm with your equipment’s parts manual or consult a technician for exact fitment verification.

Global Supply & Distribution

We maintain a robust global supply chain to serve international B2B buyers across all major markets:

• North America: Fast shipping to ports in Los Angeles, Houston, New York, Vancouver, and Toronto.
• Europe: Regular deliveries to Rotterdam, Hamburg, Antwerp, and Felixstowe.
• Asia-Pacific: Direct shipments to Singapore, Shanghai, Tokyo, Sydney, and Dubai.
• Middle East & Africa: Quick logistics to Jebel Ali, Jeddah, Durban, and Lagos.

With our export experience spanning over 50 countries, we offer flexible shipping options including air freight, sea freight, and express courier. Bulk orders are consolidated for cost-effective delivery to industrial zones and distribution centers worldwide.

Quality Assurance

Every cylinder liner undergoes rigorous quality control procedures to meet international standards:

• Manufacturing: Produced in ISO 9001-certified facilities using precision casting and CNC machining.
• Testing: 100% dimensional inspection with CMM (Coordinate Measuring Machine) and surface roughness testing.
• Certification: Machinery Test Report and Video Outgoing Inspection provided with each shipment.
• Warranty: 6-month warranty against material defects and workmanship errors. Post-warranty online technical support is available.

FAQ

Q1: How do I confirm if the 6138-21-2210 liner fits my Komatsu engine?
A: Check the engine model plate on your equipment. This liner is specifically designed for 6D110, S6D110, and SA6D110 engines. For absolute certainty, remove an existing liner and measure its outer diameter, height, and flange thickness. Alternatively, provide us with your engine serial number, and we can cross-reference it against our database.

Q2: Can these liners be installed without removing the engine from the machine?
A: In most cases, cylinder liner replacement requires removing the cylinder head and oil pan. For in-frame overhauls, the liners can be installed while the engine remains in the chassis. However, we recommend a full engine rebuild if the crankshaft or bearings show signs of wear. Always follow the Komatsu service manual for proper installation procedures using a liner press tool.

Q3: What is the recommended maintenance after installing new cylinder liners?
A: After installation, perform a break-in period of 50 hours at varying loads (avoid sustained high RPM). Change the engine oil and filter after the break-in to remove any metallic particles from the bedding process. Monitor coolant temperature and oil pressure closely during the first 100 hours. We also recommend using a high-quality diesel engine oil with the correct API rating for your climate.