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Komatsu Marine Parts
SWITCH, LOW PRESSURE
Availability: 2-7 days
Shipping: Worldwide
Price
On Request
Quote reference: Part No. 421-43-22912
Need help identifying this part?SWITCH, LOW PRESSURE #4
Product Details
Part Number
421-43-22912
Description
SWITCH, LOW PRESSURE #4
Brand
Komatsu
Category
Others
Availability
2-7 days
Shipping
Worldwide
Price
On Request
Product Description
Komatsu Sensor, switch, or solenoid 421-43-22912
1. Product Overview
Komatsu Sensor, switch, or solenoid 421-43-22912 is listed under source title “SWITCH, LOW PRESSURE”. It is classified for Batch 7 as sensor, switch, or solenoid within the engine monitoring and control system. The source record does not establish an exact engine model. Confirm the complete engine model, serial number, arrangement, and installed reference before ordering.
2. Function and Operating Principle
This electrical component participates in engine monitoring or control by detecting a condition, changing an electrical state, or actuating a compatible mechanism. Signal range, connector, thread, calibration, voltage, and software interpretation must match the system.
A sensing element or electromagnetic coil converts a physical or electrical input into a signal or controlled movement. The engine controller or monitoring circuit uses that response according to the configured logic.
3. Application Status
| Manufacturer / brand | Komatsu |
|---|---|
| Part number | 421-43-22912 |
| Component category | Sensor, switch, or solenoid |
| System | Engine monitoring and control |
| Evidence level | C — Component identity only |
| Engine application | Not established by the supplied record |
4. Typical Signs That Inspection May Be Required
| Observation | Possible significance |
|---|---|
| Implausible or intermittent readings | May involve the component, wiring, connector, reference supply, or actual engine condition. |
| Open- or short-circuit fault | Requires circuit testing before component replacement. |
| Failure to actuate | May be caused by power supply, control command, mechanical sticking, or coil condition. |
| Repeated alarm after replacement | Can indicate incorrect calibration, installation, or an unresolved system fault. |
These observations are inspection triggers rather than a confirmed diagnosis. Evaluate the complete engine system and follow the applicable manufacturer service information.
5. Inspection and Replacement Guidance
- Retrieve fault information before disconnecting the component.
- Inspect power, ground, wiring, terminals, seals, and connector locks.
- Compare readings with an independent approved measurement where practical.
- Confirm electrical specification, thread or mounting, and engine configuration.
6. Information Required Before Ordering
- Complete engine or equipment model.
- Engine serial number and arrangement or configuration number.
- Installed part reference and clear photographs of the identification label.
- Installation position and related assembly information.
Compatibility notice: Verify 421-43-22912 against serial-number-specific parts documentation before purchase or installation. Do not select the component by appearance or part-number similarity alone.