Description
Overview:
This Cylinder Head Bolt is a Genuine Yanmar part designed for securing the cylinder head on Yanmar industrial diesel engines, including the 3TNE88 and 4TNE88 series. Built from high‐strength steel to withstand high combustion loads and thermal cycling, it delivers reliable and consistent clamping to help maintain gasket sealing and engine integrity. It is manufactured to OEM dimensions and thread quality for a precise, direct replacement fit. Suitable for engines commonly used in compact construction and garden machinery such as mini excavators, dumpers, loaders, generators, and pumps, it supports professional rebuilds and routine maintenance. OEM No. 129150-01200. For best results, follow the specified torque and tightening sequence in the Yanmar service manual and replace any worn or stretched fasteners during head gasket or top-end work.
Key Features:
- Genuine Yanmar OEM fastener for assured compatibility and fit
- High-strength steel construction for dependable clamping under load
- Precision threads and correct under‐head geometry for even load distribution
- Engineered to meet Yanmar specifications for sealing reliability and longevity
- Corrosion-resistant finish to help protect against rust in harsh environments
- Direct replacement part to simplify service and minimise downtime
- Suitable for use during head gasket replacement, overhaul, and repair work
- Supports correct torqueing and sequence procedures as per Yanmar service guidance
Typical Applications:
Used when replacing a head gasket, rebuilding the top end, repairing overheating damage, or refreshing fasteners during scheduled overhauls on Yanmar-powered plant, agricultural, and grounds-care equipment. Helps restore proper cylinder head clamping, sealing performance, and long-term engine reliability in daily site use or continuous-duty applications.
Also known as:
Cylinder head bolt, head bolt, engine head bolt, cylinder head cap screw, engine fastener, cylinder bolt, top-end bolt, head fixing bolt.
Fits Models:
3TNE88, 3TNV88-BPTB2, 3TNV88-BPTS, 3TNV88-MWA, 3TNV88-XTBZ, 3TNV88-XWA, 3TNV88-XWA2, 4TNE84, 4TNE84T, 4TNE88, 4TNV84-KWA, 4TNV84T-KWA, 4TNV84T-MWA, 4TNV84T-XWA, 4TNV88-BPTB, 4TNV88-QTB, 4TNV88-QTBZ, 4TNV88-XWA, 4TNV88-XWA2
Alternate Part Numbers:
129150-01200, 12915001200
Product Specifications
| L&S Part No. | 129150 01200 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Yanmar |
| OEM No. | 129150-01200 |
| Unit of Sale | 1 |
| Applications | 3TNE88, 3TNV88-BPTB2, 3TNV88-BPTS, 3TNV88-MWA, 3TNV88-XTBZ, 3TNV88-XWA, 3TNV88-XWA2, 4TNE84, 4TNE84T, 4TNE88, 4TNV84-KWA, 4TNV84T-KWA, 4TNV84T-MWA, 4TNV84T-XWA, 4TNV88-BPTB, 4TNV88-QTB, 4TNV88-QTBZ, 4TNV88-XWA, 4TNV88-XWA2 |
| Machine Type | Excavators, Tractors, Generators, Compressors |
| Fits Brands | Yanmar |
| Fits Models | 3TNE88 | 4TNE88 | 4TNE84T | 4TNE84 | 3TNV88-XTBZ | 4TNV88-QTB | 4TNV88-QTBZ | 3TNV88-BPTB2 | 4TNV88-BPTB | 3TNV88-XWA2 | 3TNV88-XWA | 4TNV84T-XWA | 4TNV88-XWA | 4TNV84T-KWA | 4TNV84T-MWA | 3TNV88-MWA | 4TNV88-XWA2 | 4TNV84-KWA | 3TNV88-BPTS | 4TNE88-RBS1 |
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