Description
Product Overview
Part Name: Engine Piston
Part Number: 4955233
Vehicle Compatibility: Heavy-duty trucks, mining equipment, marine engines, and industrial machinery equipped with Cummins QSK19 diesel engine platforms (2005–2018). Suitable for high-load commercial and industrial applications requiring dependable diesel engine performance.
Configuration: High-quality aftermarket engine piston manufactured to OEM-equivalent specifications. Designed with reinforced crown construction and precision-machined ring grooves to withstand extreme combustion pressure in high-displacement diesel engines.
Function: Converts combustion pressure into mechanical force transferred through the connecting rod to the crankshaft, ensuring stable torque output and efficient engine performance under demanding operating conditions.
Technical Specifications
Type: Diesel Engine Piston
Engine Model: Cummins QSK19
Material: High-strength aluminum alloy piston with reinforced crown design and precision-machined ring grooves for heavy-duty diesel applications
Application: Fits Cummins QSK19 diesel engines requiring piston reference 4955233 (2005–2018)
Cross-Reference: Aftermarket equivalent to Cummins OEM piston reference 4955233; compatible with standard QSK19 connecting rods and crankshaft assemblies (verify bore size before installation)
Installation: Professional engine assembly recommended. Confirm piston-to-wall clearance, ring end gap, and replace piston rings, bearings, and gaskets during overhaul.
Service Interval: Replace during major engine rebuild or when experiencing compression loss, piston damage, excessive oil consumption, or cylinder wear.
Delivery & Availability
Stock Options: Premium-quality aftermarket Cummins QSK19 pistons available for retail, wholesale, and export supply
Delivery Time: 3–7 days worldwide shipping
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