Exhaust Gas Pressure Sensor

Exhaust Gas Pressure Sensor

Key Features

  •  Replace 4928594 and cross-reference numbers (4087989, 4921746, etc.) with no modifications
  • Delivers stable, jitter-free signals to the ECM for accurate VGT and emission management
  •  3-pin factory terminal for instant, bolt-on replacement—no wiring work needed
  • Constructed from high-temp polymers to survive the extreme temperatures of the exhaust manifold
  • Advanced port geometry reduces carbon buildup, a primary cause of sensor failure
  • Vibration-resistant internal circuitry ensures long-term reliability in heavy-duty diesel applications
  • Each unit is 100% electronically validated for output linearity before leaving our facility
  • Enables the ECM to accurately trigger DPF regen cycles, preventing filter-related downtime
  • Fits a wide range of Cummins ISX, ISB (6.7L), ISC, and ISM engine platforms

What is Exhaust Gas Pressure Sensor

Exhaust Gas Pressure Sensor (EBP), also known as the Exhaust Back Pressure Sensor, is a critical component for modern Cummins diesel engines. It continuously monitors the exhaust manifold pressure and relays precise data to the Engine Control Module (ECM). This data is essential for managing Variable Geometry Turbocharger (VGT) actuation, optimizing DPF (Diesel Particulate Filter) regeneration cycles, and ensuring efficient EGR flow, which directly impacts engine power, fuel economy, and emission compliance.

What It Does

  • Monitors real-time back pressure in the exhaust manifold

  • Sends a linear 0.5–4.5V analog signal to the ECM for turbo and emission control

  • Ensures optimal DPF regeneration timing to prevent filter clogging

  • Maintains engine performance and prevents entry into “Limp Mode”

Symptoms of a Faulty Sensor

A failing EBP sensor often leads to degraded engine performance and active fault codes.

  • Common Symptoms:

    • Significant loss of power (Derate/Limp Mode)

    • Reduced fuel efficiency

    • Failed or frequent, unnecessary DPF regenerations

    • Engine braking failure or inconsistent boost pressure

  • Common OBD2 Fault Codes:

    • P0470 – Exhaust Pressure Sensor Malfunction

    • P0471 – Exhaust Pressure Sensor Range/Performance

    • P0472 / P0473 – Circuit Low / High Voltage

    • SPN 1209 / 2374 / 2554 (Cummins specific)

OEM Equivalent Replacement Solution

Our 4928594 sensor is a high-precision, direct-fit replacement engineered to meet or exceed original equipment specifications. We provide a cost-effective alternative to dealership parts without compromising on performance, ensuring your fleet or repair shop maintains maximum uptime at a fraction of the cost.

Key Features & Benefits

  • Plug & Play Installation: Exact OEM form factor and 3-pin connector. No wire splicing or ECM reprogramming needed.

  • High-Accuracy Sensing: ±1.5% accuracy across the 0–60 inHg range. Stable output prevents erratic turbo behavior.

  • Soot-Resistant Engineering: Optimized port geometry minimizes carbon buildup—the #1 cause of sensor failure in diesel environments.

  • Thermal Durability: High-temperature plastic housing and internal components rated for extreme exhaust manifold heat.

  • 100% Factory Tested: Every unit undergoes rigorous electronic testing before shipment to eliminate “Dead on Arrival” issues.

Technical Specifications

SpecificationDetail
TechnologyPiezo-resistive sensing element + ASIC integration
Supply Voltage5.0 ± 0.5 VDC
Output Signal0.5 – 4.5 V Analog (Linear)
Pressure Range0 – 60 inHg (Approx. 0–30 psi)
Operating Temp-40°C to +125°C (-40°F to 257°F)
Connector3-pin Blade Terminal (OEM Style)
CompatibilityCummins ISX, ISB 6.7L, ISC, ISM, ISL, QSB
Warranty12 months (Defects in material & workmanship)

Vehicle Applications (Fitment Guide)

Widely used across heavy-duty trucks and commercial vehicles:

  • Cummins Engines: ISX (15L), ISM, ISC (8.3L), ISB (6.7L), ISF, ISL, QSB.

  • Commercial Platforms: Freightliner Cascadia, Kenworth T680, Peterbilt 579, International ProStar.

  • Ram Trucks: 2007.5–2020 Ram 2500/3500 (6.7L Cummins).

Installation Notes

  1. Locate: Typically found on the driver-side or near the thermostat housing, connected via a stainless steel tube.

  2. Tube Cleaning (CRITICAL): Over 70% of sensor faults are caused by a clogged stainless steel tube. Always inspect and clear the soot buildup in the tube before installing the new sensor to avoid immediate code recurrence.

  3. Verification: No recalibration is usually required for stock engines. If your vehicle is “deleted,” consult your tuner.

FAQ

1. Do I need to clean the tube?

Yes, it is mandatory. A clogged tube will make even a brand-new sensor read incorrectly.

 

2. Is this for gas or diesel engines?

This is strictly for Cummins diesel engines.

 

3. Why does my check engine light come back?

 If you replaced the sensor and the code remains, you likely have a blockage in the steel tube or a damaged wiring harness.

 

4. Can I use this on a deleted truck?

 Compatible with most stock systems. For deleted configurations, verify with your custom tuning software.

 

5. Is this a direct replacement?

 Yes, it is a 100% plug-and-play match for OEM part 4928594 and its cross-references.

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Strict Production Process

Product Design

Engineers develop optimized electronic circuits and structural designs based on real application needs.

Premium Component Sourcing

High-quality components and materials are carefully selected from trusted suppliers to ensure long-term reliability.

Advanced PCB Manufacturing

Automated SMT and precision soldering technologies are used to build stable and high-performance circuit boards.

Precision Assembly

Sensor elements or connector terminals are assembled with the PCB and housing to ensure accurate operation and strong mechanical stability.

Calibration & Performance Testing

Each product undergoes strict calibration and functional testing to guarantee accuracy and stable performance.

Final Quality Inspection & Packaging

Every unit is carefully inspected, labeled, and securely packaged to ensure it arrives safely and performs reliably for your applications.

Strict Production Process of Yafeite