QSX15 overhaul kit for cummins QSX15 engine 5693811 4376171 4352286 4309129 2881872 4955597 4025214 4025058

Cummins QSX15 Overhaul Kit – Complete Heavy-Duty Engine Rebuild Solution

The Cummins QSX15 Overhaul Kit is a comprehensive rebuild package designed for the Cummins QSX15 diesel engine, a 15-liter, inline 6-cylinder, heavy-duty powerplant widely used in construction equipment, mining machinery, industrial power units, and generator sets. This overhaul kit contains all critical components required to restore the engine to OEM-level performance, durability, and fuel efficiency.

Included Components

• Piston & Ring Set – Heavy-duty forged pistons with high-strength rings for maximum sealing and power retention

• Cylinder Liners – Wear-resistant liners engineered to extend cylinder life

• Main & Rod Bearings – Precision-machined bearings for stable crankshaft operation

• Complete Gasket Set – Head gaskets, intake & exhaust gaskets, oil seals, and O-rings

• Other Essential Parts – Valve stem seals, thrust washers, and related assembly hardware

Technical Advantages

• Performance Restoration – Regains horsepower, torque, and fuel economy to factory standards

• Built for Harsh Duty – High-strength materials designed for mining, construction, and continuous operation

• OEM Precision Fit – Direct replacement parts built to Cummins engineering specifications

• Efficient Rebuild – One-stop solution with all required parts included, reducing downtime

• Cost-Effective Longevity – Extends the service life of the QSX15 engine, avoiding costly replacements

Applications

• Construction Equipment – Excavators, loaders, bulldozers, and cranes powered by QSX15

• Mining Machinery – Haul trucks, drilling rigs, and other heavy-duty equipment

• Industrial Power Units – Compressors, pumps, and stationary machinery

• Power Generation – Diesel generator sets requiring high output and reliability