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Product Details
Product Overview
This high-quality L3C piston assembly, identified by part number MM437601, is a critical repair component for Mitsubishi diesel engines. Designed for direct replacement, this piston with pin ensures reliable performance in demanding applications, including construction, industrial, agricultural, genset, marine, and material handling equipment. The part is manufactured to OEM size specifications, guaranteeing a precise fit and restoring engine compression and power output.
Manufactured under strict quality controls, this piston is suitable for overhauling or rebuilding Mitsubishi L3C series engines. While fitment should always be verified against your specific engine serial number and existing component measurements, this part represents a cost-effective and reliable solution for restoring engine integrity. Each unit is individually inspected to meet rigorous standards before shipment.
Key Features & Benefits
Precise Fitment: Manufactured to OEM size standards for the Mitsubishi L3C engine, minimizing installation time and ensuring proper clearance.
Complete Assembly: Includes the piston and wrist pin (MM437601) as a matched set, eliminating the need for separate sourcing and reducing the risk of compatibility issues.
Durable Construction: Built from high-grade materials to withstand the thermal and mechanical stresses of diesel combustion, promoting long service life.
Rigorous Testing: Each batch undergoes machinery test reporting and video outgoing inspection to verify dimensional accuracy and surface quality.
Versatile Application: Suitable for a wide range of equipment powered by the Mitsubishi L3C diesel engine, from compact excavators to generator sets.
Global Availability: Stocked and shipped from our distribution centers to support urgent repair needs for international buyers.
Technical Specifications
Specification
Detail
Part Number
MM437601
Product Type
Piston with Pin
Engine Model
L3C
Engine Type
Diesel
Size
OEM Size (Standard)
Material
High-grade Cast Alloy
Weight
Approx. 1 kg (per unit)
Warranty
6 Months
Place of Origin
Guangdong, China
Packing
Plastic Bag, Box, Carton
OEM Service
Available
OEM Cross-Reference
This piston assembly (MM437601) is a direct replacement for the following original equipment manufacturer part numbers. Cross-reference your existing part before ordering to ensure compatibility.
Mitsubishi OEM: MM437601
Alternative Reference: L3C Piston Assembly
Note: This list is provided as a reference guide. For absolute fitment confirmation, please consult your engine parts manual or contact our technical support team with your engine serial number.
Compatibility
This piston with pin is commonly used for the following applications. Fitment is based on the engine model rather than specific vehicle years.
Engine Model: Mitsubishi L3C Diesel Engine
Equipment Types: Commonly used in construction machinery (mini excavators), industrial engines, agricultural tractors, generator sets, marine auxiliary engines, and forklifts.
Important: Always verify that your engine is a Mitsubishi L3C model before purchasing. This part is designed for standard bore size applications.
Global Supply & Distribution
We serve a global network of B2B buyers, including parts distributors, repair shops, and equipment dealers. Our logistics network enables efficient shipping to major industrial centers worldwide.
Markets Served: North America (USA, Canada, Mexico), Europe (Germany, UK, Netherlands, France), Asia-Pacific (Australia, Japan, Singapore, Indonesia), Middle East (UAE, Saudi Arabia), and South America (Brazil, Chile).
Shipping Options: Express (DHL, FedEx, UPS) for urgent needs, Air Freight for larger orders, and Sea Freight (FCL/LCL) for bulk shipments to major ports like Los Angeles, Rotterdam, Shanghai, and Jebel Ali.
Trade Compliance: Experienced in international export documentation and customs clearance. We provide all necessary paperwork (Commercial Invoice, Packing List, Certificate of Origin) to facilitate smooth importation.
Quality Assurance
Every piston assembly is produced in ISO-certified facilities with strict adherence to quality management systems. Our commitment to quality is backed by:
Manufacturing Standards: Components are machined to precise tolerances using advanced CNC equipment.
Inspection: Each unit undergoes dimensional checks and visual inspection. Video Outgoing Inspection reports are available upon request.
Testing: Machinery test reports are provided to validate performance characteristics.
Warranty: We offer a 6-month warranty against manufacturing defects, providing peace of mind for your inventory investment.
FAQ
Q: How do I confirm that this MM437601 piston fits my specific Mitsubishi engine? A: First, verify your engine model is L3C. Check the existing piston stamping or your engine parts manual for the OEM part number. If your engine is an L3C and requires a standard-size piston, this part is likely a direct match. For absolute certainty, measure the cylinder bore diameter and compare it to the standard specification for the L3C engine. If you have the old piston, measure its diameter and confirm it matches standard size.
Q: Does this piston come with piston rings and a circlip? A: This product listing is for the piston assembly with the wrist pin (MM437601) only. Piston rings and circlips are typically sold separately. We recommend using new piston rings and circlips during any engine rebuild. Please check our store for compatible ring sets for the L3C engine or contact us for a complete overhaul kit recommendation.
Q: What is the recommended installation procedure for this piston? A: Standard diesel engine rebuilding procedures should be followed. Ensure the cylinder bore is clean, deglazed, and within service limits. Lubricate the piston pin, connecting rod small-end bushing, and piston pin bore with clean engine oil before assembly. Use a piston ring compressor to install the piston and connecting rod assembly into the cylinder bore, ensuring the directional arrow on the piston crown points toward the front of the engine. Always torque connecting rod bolts to the manufacturer’s specification. If you lack experience, we recommend professional installation by a qualified diesel mechanic.
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