Product introduction
The Cummins 4903472EA fuel injector is a core component of a high-performance fuel injection system designed specifically for QSM11, ISM11, 6.7L, and 5.9L engines. As a front injector, this product uses original imported materials, meets Cummins' global quality standards, and has undergone rigorous testing to prove its superior durability and reliability. The 4903472EA injector provides precise fuel injection control for the engine, ensuring complete combustion and optimal power output. As an original equipment manufacturer (OEM) part, this injector is fully compatible with the technical requirements of the QSM11, ISM11, 6.7L, and 5.9L series engines, making it the ideal choice for maintenance and replacement in construction machinery.
Product Images
Product Parameters
| Parameter Category | Detailed Description | Parameter category | Detailed Description |
| Part number | 4903472EA | Cooling method | Water cooling |
| Applicable engine | QSM11 and ISM11 series | Calibration speed | 2000rpm |
| Maximum power | 250KW | Stroke number | Four-stroke |
| Fuel type | Diesel | The QSM11 series is suitable for engine models | QSM11-298KW QSM11-C335 QSM11-C350 |
| Working mode | Reciprocating piston internal combustion engine | The ISM11 series is suitable for engine models |
"1. Fully compatible with the QSM11 series 2. Suitable for high-pressure common rail electronic fuel injection engines" |
Advantages of related products
The QSM11 is a classic and high-performance 11-liter heavy-duty diesel engine from Cummins, widely used in construction machinery, heavy-duty trucks, generator sets, and marine applications. Its injectors are the core component of its high-pressure fuel injection system, and are highly technologically advanced.
The ISM11 is an extremely successful and common 11-liter Cummins engine in the heavy-duty commercial vehicle sector (especially heavy-duty trucks and buses). Its injector technology is key to its powerful performance, excellent fuel economy, and compliance with stringent emission standards.
The difference between 6.7-liter and 5.9-liter Cummins injectors lies in the different technological approaches they employ to meet varying emission regulations.
Simply put, the core difference is the upgrade from mechanically controlled injectors (5.9L) to a fully electronically controlled high-pressure common rail system (6.7L).
FAQ
Q1. What are the main components included in the Cummins QSX15/ISX15 piston repair kit (model 4376246)?
This professional engine overhaul kit includes a complete set of repair components, primarily: piston assembly, piston ring assembly, piston pin, and retaining rings. All parts are manufactured to original equipment manufacturer (OEM) standards, ensuring perfect matching and performance restoration to the engine.
Q2. Which engine models is the 4376246 piston repair kit suitable for?
This kit is specifically designed for Cummins QSX15 and ISX15 series engines, including models from QSX15-C360 to QSX15-C550, making it an ideal choice for professional engine overhauls.
Q3. What materials is the Cummins QSX15/ISX15 piston repair kit 4376246 made of?
As a professional engine overhaul kit, 4376246 is made of high-strength forged steel, possessing excellent wear and fatigue resistance, significantly extending the service life of the engine after an overhaul.
Q4. What are the international shipping packaging requirements for the Cummins QSX15/ISX15 piston repair kit 4376246?
This professional engine overhaul kit uses rust-proof paper to wrap the pistons, and the piston rings are secured in a special plastic box. The entire kit is packed in a sturdy corrugated cardboard box filled with cushioning material to ensure the parts do not move or get damaged during transport.
Q5. What are the international shipping options for the Cummins QSX15/ISX15 piston repair kit 4376246?
Several shipping methods are available depending on customer needs: air freight (fastest but most expensive), sea freight (economical but takes longer), or international express (suitable for small, urgent orders). We recommend choosing the most suitable method based on your urgency and budget.
Q6. What special care should be taken during the transport of the Cummins 4376246 piston repair kit?
As a precision engine component, special care is required during transport: avoid humid environments (moisture-proof packaging required), prevent severe vibration (securely secured), and keep away from strong magnetic fields and high temperatures. Professional engine overhaul kits are recommended to be transported in temperature-controlled containers.
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