Premium Cummins 4951894 CP9.2 High-Pressure Fuel Pump For Advanced Diesel Common-Rail Systems

The Cummins 4951894 CP9.2 pump is engineered for medium- to heavy-duty diesel engines requiring precise high-pressure fuel delivery. Ideal for commercial trucks, construction machinery, and stationary power units, it seamlessly integrates into CP9.2 common-rail architectures. European and North American OEMs rely on this pump to meet stringent emissions regulations while maintaining peak engine performance.

 

Technical Data

 

Max Injection Pressure: 2,500–2,700 bar

Fuel Flow Range: 50–220 L/h depending on engine load

Rotational Speed: 500–4,000 RPM operating range

Operating Temperature: −40°C to 120°C

Material Composition: High-strength alloy steel, precision-machined components for extended service life

Weight: ~7.8 kg

Designed for high endurance, the pump's compact footprint supports tight engine compartments without sacrificing service accessibility.

 

 

Heavy-duty trucks and lorries – optimized for Euro VI / EPA 2010 emission-compliant engines

Off-road machinery – construction and mining vehicles that operate under dusty, high-vibration environments

Stationary diesel generators – ensures stable fuel delivery for uninterrupted energy production

Marine diesel engines – compatible with high-torque propulsion systems requiring consistent injection timing

This versatility reduces inventory complexity for maintenance and aftermarket providers.

 

 

The pump features a multi-plunger assembly with precision-guided cam interactions to minimize mechanical wear. High-tolerance bearings reduce friction and improve longevity. Its modular construction allows partial disassembly for selective part replacement, minimizing downtime and cost. The design supports high pulse stability, crucial for consistent injector operation in modern common-rail systems.

 

 

High precision fuel metering reduces fuel consumption

Minimizes emissions by ensuring stable injection timing

Robust construction withstands continuous operation under high thermal and mechanical stress

Reduced vibration and noise improve engine longevity and operator comfort

This pump is engineered for operators seeking a balance between efficiency, compliance, and reliability.

 

 

Q: Can the 4951894 CP9.2 handle bio-diesel blends?
A: Yes, it tolerates up to B20 blends, provided fuel meets ISO 4113 standards.

Q: What is the typical service interval?
A: Under standard operating conditions, recommended inspection is every 20,000–25,000 km.

Q: Are spare parts readily available?
A: Yes, Cummins-certified replacement plungers, seals, and bearings ensure continued pump reliability.

Q: Does it require recalibration after installation?
A: Minor ECU adjustments may optimize performance; full recalibration is recommended only after injector replacement or system modifications.

Q: How does it impact emissions compliance?
A: Consistent high-pressure delivery stabilizes combustion, reducing NOx and particulate output for Euro VI and EPA 2010 engines.

Q: Can it be used in off-road equipment?
A: Absolutely. Its durable construction and high vibration tolerance make it suitable for construction, mining, and agricultural applications.

 

 

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