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Yanmar Marine Parts
TAPPET
Availability: 2-7 days
Shipping: Worldwide
Price
On Request
Quote reference: Part No. YM-129150-14200
Need help identifying this part?TAPPET - 4TNV88-BDHQ / 4TNV88-BDHQ(T) / 4TNV88-BDSA
Product Details
Part Number
YM-129150-14200
Description
TAPPET - 4TNV88-BDHQ / 4TNV88-BDHQ(T) / 4TNV88-BDSA
Brand
Yanmar
Category
CYLINDER HEAD
Availability
2-7 days
Shipping
Worldwide
Price
On Request
Product Description
Yanmar Engine internal component YM-129150-14200
1. Product Overview
Yanmar Engine internal component YM-129150-14200 is listed under source title “TAPPET”. It is classified for this pilot as engine internal component within the combustion, structure, or valve actuation 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 internal engine component contributes to combustion containment, load transfer, cylinder guidance, or valve actuation. Its dimensions, material grade, matching components, and installed clearances are specific to the engine build and overhaul condition.
Internal components operate under repeated mechanical and thermal loading while depending on correct lubrication, cooling, alignment, and assembly geometry. Wear in one component can affect the wider cylinder or valve-train system.
3. Application Status
| Manufacturer / brand | Yanmar |
|---|---|
| Part number | YM-129150-14200 |
| Component category | Engine internal component |
| System | Combustion, structure, or valve actuation |
| 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 |
|---|---|
| Knock, imbalance, or abnormal mechanical noise | May indicate clearance, lubrication, timing, or component damage. |
| Low compression, blow-by, or oil consumption | Requires evaluation of the complete cylinder assembly. |
| Scoring, cracking, distortion, or abnormal wear | Demands root-cause analysis of lubrication, cooling, loading, and fit. |
| Metal debris in oil or filters | Requires prompt inspection of internal wear sources. |
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
- Identify the exact position, size grade, and mating components.
- Inspect associated bearings, pins, liners, fasteners, oil passages, and contact surfaces.
- Measure only by the engine-specific service procedure.
- Confirm standard or repair specification and 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-129150-14200 against serial-number-specific parts documentation before purchase or installation. Do not select the component by appearance or part-number similarity alone.