Mahle 6D114 Piston 5284442 For Cummins QSC8.6 6CT PC300-8 Excavator Engine

Product Details

Product Overview

This offering features a premium quality Mahle 6D114 Piston, identified by part number 5284442. Designed as a direct replacement component for the Cummins QSC8.6 and 6CT engine platforms, this piston is a critical element for maintaining the performance and reliability of heavy machinery.

Commonly utilized in the Komatsu PC300-8 excavator, this piston ensures that your engine rebuild or repair project meets the original equipment specifications. As a new, top-quality component, it is engineered to withstand the high pressures and temperatures of a modern diesel engine, providing a dependable solution for your heavy-duty equipment.

Key Features & Benefits

• OEM-Specification Fitment: Manufactured to match the original dimensions and tolerances for the Cummins 6CT and QSC8.6 engines, ensuring a precise fit and reliable seal.
• Durable Construction: Built from high-strength aluminum alloy, the piston is designed to resist thermal fatigue and deformation, extending the service life of your engine overhaul.
• Enhanced Combustion Efficiency: The piston crown profile is optimized for the specific combustion chamber design of the 6D114 engine, promoting better fuel burn and reduced emissions.
• Direct Replacement: This is a new, “drop-in” replacement part (part #5284442) that simplifies the rebuilding process, reducing downtime for your excavator or industrial equipment.
• Reduced Friction: Features advanced skirt coating technology (where applicable) to minimize friction against the cylinder wall, improving fuel economy and engine responsiveness.

Technical Specifications

OEM Cross-Reference

This piston is the direct replacement for the following original equipment manufacturer (OEM) part numbers:

• Cummins: 5284442

Note: While the primary OEM number is 5284442, this part is the standard service replacement for the Mahle 6D114 series piston used in the specified engine applications. Always verify the physical dimensions (diameter, pin height, and ring groove position) against your original piston to ensure compatibility.

Compatibility

This piston is commonly used for the following engine and equipment applications. Please confirm your specific engine model before purchasing.

• Engine Models: Cummins QSC8.6, Cummins 6CT (6CT8.3), Mahle 6D114
• Excavator Models: Komatsu PC300-8
• Application: Heavy construction machinery, excavators, and industrial diesel engines.

Global Supply & Distribution

We are a dedicated supplier of high-quality engine components based in Shanghai, China, with a robust logistics network supporting international B2B trade. We offer worldwide shipping to major industrial centers, including ports in North America (Los Angeles, Houston), Europe (Rotterdam, Hamburg), Asia-Pacific (Singapore, Sydney), and the Middle East (Dubai).

Our export experience ensures that your order is processed with proper documentation, customs clearance support, and fast delivery options. Whether you require air freight for urgent breakdowns or sea freight for bulk inventory stocking, we provide flexible solutions to meet your supply chain needs.

Quality Assurance

Every piston is sourced from the MAHLE brand, a Tier-1 supplier recognized for its rigorous quality standards. While individual video outgoing inspection and machinery test reports are not available for this specific listing, the product is guaranteed to be new and in “Top” quality condition.

We provide a 3-month warranty against manufacturing defects. After the warranty period, our team offers online technical support to assist with any fitment or performance inquiries. We recommend installing this component by a certified diesel mechanic to ensure optimal performance and longevity.

FAQ

Q1: Is this piston a direct fit for my Komatsu PC300-8 with a Cummins QSC8.6 engine?
A: Yes, this piston (part number 5284442) is the standard OEM specification part for the Cummins QSC8.6 and 6CT engines commonly found in the Komatsu PC300-8 excavator. However, due to potential engine serial number variations, we strongly recommend verifying the physical dimensions (diameter and compression height) of your current piston against the specifications of this Mahle 6D114 unit before ordering.

Q2: Does this piston come with piston rings and a wrist pin?
A: The product listed is specifically for the Piston itself. It typically does not include the piston rings or wrist pin unless specified in the packaging. For a complete engine rebuild, you may need to purchase a separate piston ring set and wrist pin to ensure proper sealing and assembly.

Q3: What is the expected lead time for international shipping?
A: Lead times vary based on location and shipping method. For air freight, delivery to major international airports typically takes 5-10 business days. For sea freight to major ports, the transit time is usually 20-35 days, depending on the destination. We recommend contacting our sales team for a precise quote and estimated delivery date based on your specific location and order volume.