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Vacuum Pump Cummins 5282085 | 5270422
The Cummins 5282085 Vacuum Pump provides reliable vacuum generation for critical engine subsystems, including brake assistance, emissions control, and fuel injection. Engineered for ISF2.8, QSF2.8, and R2.8 engines, it ensures optimal performance and safety.
Description
Cummins 5282085 Vacuum Pump for ISF2.8, QSF2.8, and R2.8 Engines
The Cummins 5282085 Vacuum Pump is a high-performance component designed to generate the necessary vacuum for critical commercial vehicle systems. This pump plays a vital role in maintaining the efficiency, safety, and overall functionality of your heavy-duty engine. This part is also available under the number: 5270422.
Key Functions & System Integration
The vacuum pump is essential for several subsystems within the engine:
- Brake Assistance: Maintains a steady vacuum reservoir to support the power brake booster, ensuring reliable and responsive braking performance.
- Emissions Control: Operates critical valves and actuators, including the Exhaust Gas Recirculation (EGR) valve, to help reduce NOx emissions.
- Crankcase Ventilation: Assists the Positive Crankcase Ventilation (PCV) system in managing crankcase gases, routing them back to the intake for cleaner combustion.
- Fuel Injection Support: Helps generate the vacuum required for precise fuel injector operation in specific configurations.
Engine Compatibility
This vacuum pump is engineered for precise fitment and reliable operation in the following Cummins engine models:
- ISF2.8 CM2220: F117, F129
- QSF2.8 CM2880: F104, F108, F114
- R2.8 CM2220: R101B
Technical Specifications
- Weight: 3.31 lb
- Package Dimensions: 7.48 x 7.48 x 5.12 inches
Cross-Reference / Interchange Part Numbers
This part replaces / is interchangeable with the following part numbers:
- 5282085
- 5270422
