Cummins Auxiliary Pump C4988390 – Reliable Support for Engine Cooling and Lubrication
The Cummins Auxiliary Pump C4988390 plays a key supporting role in maintaining consistent engine performance. As a vital part of the Cummins parts, Cummins genuine parts, and DCEC parts catalog, it helps manage fluid circulation for cooling or lubrication, especially during startup or idle conditions.
🔩 Specifications
- Part Name: Auxiliary Pump
- Part Number: C4988390
- Brand: Cummins / DCEC
- Function: Assists fluid flow for cooling or lubrication
- Material: Durable cast aluminum housing with internal steel components
- Compatibility: Selected Cummins DCEC engine models
⭐ Key Features
- Designed to support main systems by circulating coolant or oil when needed
- Built with high-quality materials for enhanced strength and temperature resistance
- Compact and efficient design, ensuring easy integration with your engine system
- Reduces engine wear during low-RPM operation or cold starts
- Manufactured following Cummins and DCEC’s strict quality standards
⚙️ Technical Insights
This DCEC part is often installed as a secondary pump that operates during specific conditions—such as during idle, warm-up, or shut-down phases. Its role is to maintain a minimum flow rate of oil or coolant, helping to prevent thermal stress and component friction. Moreover, when paired with other Cummins genuine parts, it ensures your engine continues to run smoothly under all conditions.
🛠 Application Scenarios
- ✔ Ideal for engines requiring additional fluid flow support
- ✔ Used in on-highway vehicles, power generation, and construction equipment
- ✔ Prevents overheating and friction during startup or idle
- ✔ Essential for prolonging engine service life
- ✔ Compatible with Cummins engines that require DCEC-specific components
📦 Availability
This auxiliary pump is in stock and ready for global shipping.
To ensure compatibility with your Cummins parts setup, please provide your engine serial number (ESN). Our team is here to assist with fitment confirmation.
