| Parameter | Specification |
|---|---|
| Product Name | Pressure Sensor |
| COGENG Part Number | 332-C0937 |
| OEM Equivalent | JCB 332-C0937 |
| Product Type | Hydraulic / Brake Pressure Sensor |
| Sensor Type | Piezoresistive pressure transducer |
| Output Type | 4-20 mA or 0.5-4.5V (application dependent) |
| Application | Hydraulic system / brake system pressure monitoring |
| Compatible Equipment | JCB Excavators, Wheel Loaders, Backhoe Loaders, Telehandlers |
| Material | Iron + Rubber (seals: NBR / FKM) |
| Packing | PP bag inside, carton box outside |
| Place of Origin | Guangdong, China |
| Brand Name | COGENG |
| Certification | ISO9001 |
| Supply Capacity | 500 PCS |
| Brand | Part Number |
|---|---|
| COGENG | 332-C0937 |
| JCB | 332-C0937 |
| Interchange | 332-C0938, 332-C0939, 332-C0940, 335/C6732, 320/06194 |
| Parameter | Specification |
|---|---|
| Supply Voltage | 8-36V DC (typically 24V system) |
| Output Signal | 4-20 mA (current loop) or 0.5-4.5V analog |
| Current Draw | ≤ 25 mA |
| Response Time | < 5 ms |
| Insulation Resistance | ≥100MΩ @ 500V DC |
| Reverse Polarity Protection | Yes |
| Overvoltage Protection | Yes |
| Parameter | Specification |
|---|---|
| Pressure Range | 0 - 350 bar (0 - 5,075 psi) typical for hydraulic |
| Brake Pressure Range | 0 - 200 bar (0 - 2,900 psi) for brake circuits |
| Measurement Type | Gauge pressure |
| Accuracy | ±1.0% to ±2.0% of full scale |
| Overpressure Limit | 525 bar (7,600 psi) |
| Burst Pressure | 875 bar (12,700 psi) |
| Compensated Temperature | -40°C to +105°C |
| Parameter | Specification |
|---|---|
| Connector Type | 3-pin Deutsch DT / AMP |
| Mounting Thread | 7/16-20 UNF or M12 × 1.5 (OEM spec) |
| Hex Size | 19 mm (3/4") or 22 mm (7/8") |
| Housing Material | Stainless steel / Zinc-nickel plated steel |
| Diaphragm Material | 17-4PH stainless steel |
| Seal Material | NBR / FKM (Viton) |
| Weight | 0.10 - 0.15 kg (0.22 - 0.33 lbs) |
| Pin | Function | Signal Type | Wire Color (Typical) |
|---|---|---|---|
| Pin 1 | Sensor Supply (+) | 24V DC | Red |
| Pin 2 | Sensor Signal | 4-20 mA or 0.5-4.5V | Yellow/White |
| Pin 3 | Sensor Ground (-) | 0V | Black |
| Pressure (bar) | Output (mA) | Condition |
|---|---|---|
| 0 | 4.0 ±0.1 | No pressure |
| 25% of range | 8.0 ±0.1 | Low pressure |
| 50% of range | 12.0 ±0.1 | Medium pressure |
| 75% of range | 16.0 ±0.1 | High pressure |
| 100% of range | 20.0 ±0.1 | Maximum pressure |
| Pressure (bar) | Output (V) | Condition |
|---|---|---|
| 0 | 0.5 ±0.1 | No pressure |
| 25% of range | 1.5 ±0.1 | Low pressure |
| 50% of range | 2.5 ±0.1 | Medium pressure |
| 75% of range | 3.5 ±0.1 | High pressure |
| 100% of range | 4.5 ±0.1 | Maximum pressure |
| Parameter | Rating |
|---|---|
| Operating Temperature | -40°C to +105°C (-40°F to +221°F) |
| Ingress Protection | IP67 / IP69K (connector mated) |
| Vibration Resistance | 20G @ 50-2000Hz |
| Shock Resistance | 100G |
| Media Compatibility | Hydraulic oil, brake fluid, diesel fuel |
| Corrosion Protection | 500+ hours salt spray |
| Model Series | Typical Models | Application |
|---|---|---|
| JS Series | JS130, JS160, JS200, JS210, JS220, JS240, JS260, JS300, JS330 | Hydraulic pressure monitoring |
| JZ Series | JZ70, JZ140 | Hydraulic pressure monitoring |
| 8020-8070 | 8025, 8030, 8040, 8050, 8060, 8070 | Hydraulic pressure monitoring |
| Model Series | Typical Models | Application |
|---|---|---|
| 406-411 | 406, 407, 409, 411 | Hydraulic / brake pressure |
| 416-426 | 416, 420, 426 | Hydraulic / brake pressure |
| 427-437 | 427, 435, 437 | Hydraulic / brake pressure |
| Model Series | Typical Models | Application |
|---|---|---|
| 3CX, 4CX | 3CX, 4CX, 5CX | Hydraulic / brake pressure |
| 3DX, 4DX | 3DX, 4DX | Hydraulic / brake pressure |
| Model Series | Typical Models | Application |
|---|---|---|
| 500 Series | 505-19, 506-36, 508-40, 510-40 | Hydraulic pressure monitoring |
| 520-560 | 520-55, 526-56, 531-70, 535-95, 536-60, 536-70, 541-70, 550-80, 560-80 | Hydraulic pressure monitoring |
Frequently Asked Questions
Q: What JCB models use the 332/C0937 pressure sensor?
A: The COGENG 332/C0937 pressure sensor is a direct OEM replacement designed for various JCB equipment models where this sensor part number is specified. Common applications include hydraulic system pressure monitoring across JCB backhoe loaders, Loadall telehandlers, excavators, and other heavy machinery. Always verify this part number against your machine's parts manual or the original sensor's identification markings to confirm exact compatibility before ordering.
Q: What are the symptoms of a failing pressure sensor on JCB equipment?
A: Common symptoms include inaccurate or erratic pressure readings on the display panel, active diagnostic trouble codes related to the pressure sensor circuit, degraded hydraulic performance or unexpected power reduction, the machine entering a failsafe or limp mode, intermittent hydraulic function response, or the engine control system failing to properly match engine speed to hydraulic load demand. A faulty pressure sensor can significantly impact machine performance, productivity, and fuel efficiency.
Q: How does the pressure sensor affect equipment operation?
A: The 332/C0937 sensor provides real-time pressure data to the machine's electronic control system. This information is used to manage hydraulic pump output, engine speed matching, implement response, and system overload protection. Accurate pressure sensing is essential for smooth hydraulic operation and optimal performance across all machine functions.
Q: Is this sensor a direct plug-and-play replacement?
A: Yes, the COGENG 332/C0937 pressure sensor is manufactured to exact OEM specifications for thread size, electrical connector type, pressure range, output signal characteristics, and response time. It is a direct plug-and-play replacement requiring no wiring modifications or adapters when installed on compatible JCB equipment.
Q: What is the warranty coverage for this pressure sensor?
A: COGENG provides a standard 12-month warranty against manufacturing defects from the date of installation. Proof of purchase and installation by a qualified technician are required. Warranty does not cover failure caused by hydraulic fluid contamination, over-pressurization, improper installation, overtightening, thread damage, or use on incompatible equipment.
Q: What should I check before installing the new pressure sensor?
A: Before installation, verify the hydraulic system is fully depressurized, inspect the sensor mounting port for debris or damage, check the electrical connector for corrosion, and apply the appropriate thread sealant if specified by the service manual. Torque the sensor to manufacturer specifications to prevent thread damage or hydraulic leaks. Contaminated hydraulic fluid can damage the new sensor, so verify fluid cleanliness and replace hydraulic filters if necessary.
Contact COGENG
📞 Phone: +86-185-2913-1515 🌐 Instagram
📧 Email: hugo@cogeng.net 🌐 Facebook：Excavator Parts Selection and Replacement Community
💬 WhatsApp +86-185-2913-1515 Facebook: Excavator Wiring Harness
💬 WeChat: +86-185-7865-1106 Facebook: Excavator Wire Harness
🌐 Website: cogeng.net Facebook: Excavator SolenoidValve
#ExcavatorWiringHarness #ExcavatorThrottleMotor #ExcavatorSolenoidValve #ExcavatorSealKit
