Description
Bosch 0281002937 Fuel Pressure Sensor | 2937 Common Rail Sensor
The Bosch 0281002937 Fuel Pressure Sensor, also identified as 0 281 002 937, is a high-pressure fuel rail sensor designed for Common Rail (CR) diesel fuel injection systems. Bosch officially categorizes this component as a High-pressure sensor, CR system.
The sensor continuously measures fuel pressure within the common rail and provides pressure information to the engine management system. Accurate fuel-pressure measurement helps the ECU control fuel injection according to engine operating conditions, supporting proper combustion, engine performance and emissions control.
The 0281002937 Bosch sensor is specified for high-pressure-side Common Rail applications. Bosch technical documentation identifies the sensor as an RDS4 pressure sensor with a nominal measurement range of up to 1800 bar (180 MPa). It has a 5 ± 0.25 V supply voltage, M18 × 1.5 thread, and is designed for diesel or biodiesel fuel applications.
Product Specifications
Brand: Bosch
Product: Fuel Pressure Sensor
Type: Common Rail High-Pressure Sensor
Bosch Part Number: 0281002937
Bosch Number: 0 281 002 937
Sensor Type: RDS4
Common Rail System: Yes
High-Pressure Side: Yes
Nominal Pressure Range: Up to 1800 bar / 180 MPa
Supply Voltage: 5 ± 0.25 V
Maximum Feed Voltage: 16 V
Thread: M18 × 1.5
Application Medium: Diesel / Biodiesel
Operating Temperature: -40°C to +130°C
Category: Diesel Fuel Injection / Common Rail Sensor
Bosch’s technical documentation provides these specifications for part number 0 281 002 937.
Function of the 0281002937 Fuel Pressure Sensor
The fuel pressure sensor is installed on the high-pressure side of a Common Rail diesel fuel system. Its primary function is to measure the pressure in the fuel rail and provide an electrical signal representing that pressure to the engine control system.
The ECU uses this information together with other engine parameters to manage the Common Rail injection process.
A properly functioning fuel pressure sensor is therefore important for accurate fuel-pressure monitoring and appropriate fuel-injection control.
Common Symptoms of a Faulty Fuel Pressure Sensor
A defective or inaccurate fuel pressure sensor may contribute to symptoms such as:
Difficult or extended engine starting
Rough or unstable engine operation
Loss of engine power
Poor acceleration
Increased fuel consumption
Engine warning light
Common Rail pressure-related fault codes
Limp-home operation
These symptoms can also be caused by fuel-pump, injector, wiring, fuel-filter or Common Rail system problems. Proper diagnosis should therefore be performed before replacing the sensor.
Bosch 0281002937 Applications
The 0281002937 / 0 281 002 937 sensor has broad Common Rail applications. Cross-reference catalogs associate it with vehicles and engines from manufacturers including Iveco, MAN, Renault Trucks, Fiat, Suzuki, Volvo, Chevrolet, Toyota, Opel, Saab and others.
Some documented OE/reference numbers include:
MAN 51 27421 0229
MAN 51 27421 0230
MAN 51 27421 0236
Renault 50 01 867 660
Iveco 8099063
Iveco 504152959
Volvo 20792328
Suzuki 15760-84E51
Fiat 55195078
Opel/Chevrolet 93185626
These are cross-reference numbers and should not automatically be treated as interchangeable for every vehicle. Always verify the vehicle, engine and original sensor number before ordering.
Alternative Names Buyers Search For
Customers may search for this product using different terminology:
0281002937 Fuel Pressure Sensor
0281002937 Fuel Rail Sensor
0281002937 Common Rail Sensor
0281002937 Pressure Sensor
Bosch 0281002937
Bosch 2937 Sensor
Bosch 2937 Fuel Pressure Sensor
0 281 002 937
0 281 002 937 Fuel Pressure Sensor
Bosch Common Rail Pressure Sensor
Bosch CR Pressure Sensor
Bosch Fuel Rail Pressure Sensor
Bosch High Pressure Fuel Sensor
Common Rail Fuel Pressure Sensor
Diesel Fuel Pressure Sensor
Diesel Rail Pressure Sensor
RDS4 Fuel Pressure Sensor
RDS4.2 1800 BAR Sensor
1800 Bar Common Rail Sensor
High Pressure Common Rail Sensor
Frequently Asked Questions
What is Bosch 0281002937?
Bosch 0281002937, also written as 0 281 002 937, is a high-pressure fuel pressure sensor for Common Rail diesel fuel injection systems.
What does the Bosch 0281002937 sensor do?
It measures fuel pressure in the high-pressure Common Rail system and provides pressure information to the engine management system.
What is the pressure range of 0281002937?
Bosch technical documentation specifies a nominal measurement range of up to 1800 bar (180 MPa) for part number 0 281 002 937.
Is 0281002937 a Common Rail sensor?
Yes. Bosch categorizes 0281002937 as a High-pressure sensor for the Common Rail system.
What is the thread size of Bosch 0281002937?
Bosch technical documentation specifies an M18 × 1.5 thread.
Which vehicles use Bosch 0281002937?
The sensor has multiple applications across manufacturers including MAN, Renault Trucks, Iveco, Fiat, Suzuki, Volvo, Chevrolet, Toyota and others. Exact compatibility depends on the engine and fuel-system configuration.
Is 0281002937 the same as 0 281 002 937?
Yes. 0281002937 and 0 281 002 937 are two formats of the same Bosch part number. Bosch’s official catalog lists the product as 0281002937.
Where can I buy Bosch 0281002937 Fuel Pressure Sensor in India?
You can contact Singla Motor Parts, Kashmiri Gate, Delhi for availability, pricing and compatibility assistance.
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