
Illustrative photo — the delivered item may differ in appearance. Orders are fulfilled by catalog part number (SKU).
Engine Piston Cummins 4059343 | 4025213, 4059237, 3681738, 3412333
Restore your engine’s combustion efficiency and power with this high-durability Cummins 4059343 engine piston, engineered for heavy-duty ISX15 and QSX15 diesel engines.
Description
High-Performance Engine Piston for Cummins ISX15 and QSX15
The Cummins 4059343 engine piston is a critical component designed to withstand the extreme pressures and temperatures of heavy-duty diesel combustion. Engineered specifically for Cummins ISX15 and QSX15 engines, this piston ensures optimal compression, efficient fuel combustion, and reliable power delivery. This part is also available under the numbers: 4025213, 4059237, 3681738, and 3412333.
Engineered for Maximum Durability
Constructed from advanced materials, this piston is built to handle the rigorous demands of commercial trucking, industrial, and agricultural applications. It features precise machining to match exact factory specifications, reducing friction and wear within the cylinder liner while maintaining a secure seal.
Key Features & Benefits
- Perfect Fitment: Designed specifically for Cummins ISX15 and QSX15 series engines.
- Robust Construction: Built to endure high thermal loads and combustion pressures.
- Optimized Performance: Promotes efficient fuel-to-air mixing and combustion for reduced emissions and improved fuel economy.
Cross-Reference / Interchange Part Numbers
This part replaces / is interchangeable with the following part numbers:
- 4059343
- 4025213
- 4059237
- 3681738
- 3681370
- 3412333
- 4955597
- 4376171
- 4352286
- 4309129
