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Yanmar Marine Parts
EXHAUST VALVE GUIDE
Availability: 2-7 days
Shipping: Worldwide
Price
On Request
Quote reference: Part No. YM-123907-11810
Need help identifying this part?EXHAUST VALVE GUIDE - 4TNV106
Product Details
Part Number
YM-123907-11810
Description
EXHAUST VALVE GUIDE - 4TNV106
Brand
Yanmar
Category
Valves
Availability
2-7 days
Shipping
Worldwide
Price
On Request
Product Description
Yanmar Engine valve YM-123907-11810
1. Product Overview
Yanmar Engine valve YM-123907-11810 is listed under source title “EXHAUST VALVE GUIDE”. It is classified for this pilot as engine valve within the flow control or valve train 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
A valve opens, closes, meters, or redirects flow within an engine system. Depending on the catalog position, it may control combustion gas, fuel, oil, coolant, air, or hydraulic fluid; exact duty must be confirmed before technical claims are made.
The valve element moves relative to a seat or port under mechanical, hydraulic, pneumatic, or electromagnetic force. Sealing surfaces and actuation must remain compatible with the system's timing, pressure, temperature, and fluid.
3. Application Status
| Manufacturer / brand | Yanmar |
|---|---|
| Part number | YM-123907-11810 |
| Component category | Engine valve |
| System | Flow control or valve train |
| 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 |
|---|---|
| Leakage past the closed valve | May affect pressure retention, flow control, or combustion sealing. |
| Restricted or erratic movement | Can be associated with deposits, wear, distortion, or actuator problems. |
| Abnormal system pressure or temperature | Requires checks of the complete circuit, not the valve alone. |
| Noise or performance imbalance | May justify inspection of valve actuation, clearance, seating, and related components. |
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
- Establish the valve's exact system and flow direction.
- Inspect seat, guide, actuator, spring, passages, and sealing surfaces as applicable.
- Use manufacturer procedures for clearance, timing, and leak testing.
- Confirm valve variant and engine serial-number applicability.
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 YM-123907-11810 against serial-number-specific parts documentation before purchase or installation. Do not select the component by appearance or part-number similarity alone.