Cummins Doser Pump 5506957 – Precise dosing control for reliable aftertreatment operation

The Cummins Doser Pump 5506957 is designed to deliver accurate and stable dosing for modern engine aftertreatment systems. As part of the Cummins parts portfolio, this pump plays a key role in emissions control by ensuring the correct amount of dosing fluid enters the exhaust system. In addition, it follows Cummins genuine paers standards, which helps guarantee correct fit, smooth operation, and long service life. Although compact in design, the doser pump directly affects system efficiency and compliance. Therefore, technicians often select it during emissions system repair, scheduled replacement, or fault resolution. At the same time, precise dosing helps protect downstream components and supports consistent engine performance.

🔩 Specifications

• Part number: 5506957

• Product type: Doser pump

• Brand compatibility: Cummins engines

• System location: Engine aftertreatment system

• Primary function: Controlled delivery of dosing fluid

• Quality level: Cummins genuine paers compliant

⭐ Key Features

First, this doser pump delivers accurate and repeatable dosing under varying operating conditions. In addition, it supports stable system response during load changes and temperature shifts. Moreover, the durable construction helps resist vibration and thermal stress over long operating hours. As a result, dosing accuracy remains consistent throughout service intervals. Also, the compact layout allows easy integration with existing system layouts. Because it belongs to trusted Cummins parts, users can rely on dependable performance in daily operation.

⚙️ Technical Insights

The Cummins Doser Pump 5506957 works by precisely metering dosing fluid based on control signals from the engine management system. Therefore, it helps maintain proper chemical balance within the aftertreatment process. At the same time, accurate flow control supports efficient emissions reduction and protects system components from overload. When technicians install a new doser pump, system response improves quickly. Consequently, aftertreatment efficiency and engine stability increase. Since it follows Cummins genuine paers design rules, it connects smoothly with original control logic and fluid lines.

🛠 Application Scenarios

This doser pump is commonly used in industrial engines, generator sets, and heavy-duty equipment equipped with advanced emissions systems. For example, it supports applications where precise fluid delivery directly affects emissions performance. Likewise, it fits service tasks related to dosing faults, warning indicators, or reduced efficiency. Service teams rely on Cummins parts like this pump to restore proper system function and reduce unplanned downtime. Across these applications, Cummins genuine paers help maintain reliable emissions control and stable engine operation.

📦 Availability

This doser pump is in stock and available for global shipping. To ensure correct fitment with your Cummins parts configuration, please provide your engine serial number (ESN). Our support team is ready to assist with verification and confirm compatibility with Cummins genuine paers before shipment.