Differential Pressure Sensor 2894872 for Cummins Engine Parts

The Differential Pressure Sensor 2894872 plays a crucial role in monitoring exhaust and intake system efficiency in Cummins diesel engines. By detecting the pressure difference across the diesel particulate filter (DPF) or EGR systems, this sensor helps the engine control module (ECM) make precise adjustments to ensure optimal fuel combustion, emission control, and system performance. This article explores the key functions, applications, specifications, and maintenance guidelines for the 2894872 sensor.

Category: Foton truck parts Tag: Differential Pressure Sensor，2894872

Description

Description

Introduction to the 2894872 Delta Pressure Sensor

The 2894872 differential pressure (ΔP) sensor is a critical emissions control component in modern diesel engines (EPA 2010+ compliant systems). It measures exhaust backpressure across the diesel particulate filter (DPF) to optimize regeneration cycles and prevent engine derating.

This technical guide covers:

Operating principles of the 2894872 sensor
Common failure patterns in heavy-duty applications
Step-by-step troubleshooting using OEM diagnostic protocols

What Is a Differential Pressure Sensor?

A differential pressure sensor measures the pressure difference between two points. In diesel engines, it is typically used to:

Monitor DPF health by detecting soot build-up
Regulate EGR (Exhaust Gas Recirculation) flow
Trigger cleaning or regeneration processes when necessary

The Cummins 2894872 sensor is factory-calibrated for accurate feedback, ensuring compliance with emission standards and maintaining engine performance.

Key Features of 2894872 Sensor

OEM Quality & Precision
Manufactured to strict Cummins standards, the 2894872 sensor offers accurate pressure readings and long-lasting durability.
Plug-and-Play Fit
Designed for direct replacement in compatible Cummins engine models. No modifications required.
Durable Construction
Built with temperature- and vibration-resistant materials for operation in extreme engine environments.
Emission Compliance
Ensures proper DPF operation, contributing to compliance with global emission standards (EPA, Euro, etc.).

Applications and Compatibility

The 2894872 sensor is used in multiple Cummins diesel engine platforms, including:

ISX / QSX series
ISC / QSC
ISL / QSL
ISB / QSB 6.7
Medium-duty trucks, heavy machinery, buses, and generator sets

It’s a vital part of modern emission control systems and is frequently installed near the DPF, EGR cooler, or intake manifold.

Technical Specifications

Parameter	Details
Product Name	Differential Pressure Sensor
Part Number	2894872
Sensor Type	Pressure Differential Sensor
Condition	100% Original / New
Compatible Engines	Cummins ISX, ISL, QSB, QSC, etc.
Material	OEM-grade thermoplastic + metal
Application	DPF / EGR / Intake Pressure Monitoring
Warranty	6 Months
Minimum Order Quantity	1 Piece
Packaging	Neutral or Original
Shipping Options	DHL, FedEx, UPS, Sea, Air
Customization	OEM / ODM Available
After-Sales Service	Technical Support Available

Installation and Maintenance Tips

Proper Mounting Location: Ensure the sensor is installed in the correct DPF or EGR position to get accurate readings.
Check for Clogging: Periodically inspect tubes and ports for soot or debris that may affect performance.
Avoid Moisture Damage: Ensure connectors are sealed against moisture ingress to prevent sensor failure.
Use Genuine Replacements: Always use OEM or equivalent sensors like 2894872 to maintain ECM calibration and avoid engine faults.

Conclusion

The Cummins 2894872 Differential Pressure Sensor is an essential component for managing exhaust emissions and maintaining the efficiency of your engine’s aftertreatment system. With precise measurement capabilities, OEM compatibility, and robust construction, it’s the ideal solution for service replacements or OEM engine builds. Whether you’re a repair shop, parts distributor, or fleet manager, the 2894872 sensor ensures your Cummins-powered equipment runs cleanly and reliably.

Differential Pressure Sensor 2894872 for Cummins Engine Parts

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