Description
Overview:
This exhaust manifold stud is a genuine Lister Petter fixing for securing the manifold to the cylinder head on Petter PJ and PJ4 diesel engines. It uses a 5/16 in BSF thread (approx. 7.94 mm diameter) and has an overall length of 3 3/4 in (approx. 95.25 mm). Made from durable steel, the stud provides strong, stable clamping under heat and vibration, helping to maintain a reliable seal at the exhaust gasket. Supplied as a single replacement stud, it is suitable for routine servicing, repairs, and engine overhauls where original-spec BSF fasteners are required. A direct, like-for-like replacement, it restores correct fit and thread engagement without modification on engines designed for BSF hardware such as the Petter PJ and PJ4.
Key Features:
- Genuine Lister Petter part for assured fit and performance on PJ and PJ4 engines
- BSF thread: 5/16 in (approx. 7.94 mm) for correct engagement with original manifold nuts
- Length: 3 3/4 in (approx. 95.25 mm) for proper clamping reach across manifold and head
- Steel construction suitable for high-temperature exhaust environments
- Helps maintain gasket seal and reduces fastener loosening from heat cycles and vibration
- Clean, precise threads for consistent torque and easier assembly
- Direct replacement using existing BSF hardware; no modifications required
- Supports reliable exhaust alignment to protect ports and studs during service
Typical Applications:
Used to mount and secure the exhaust manifold on Petter PJ series diesel engines found in generators, compressors, pumps, site equipment, and agricultural machinery. Ideal for engine rebuilds, scheduled maintenance, and the replacement of worn or damaged studs to restore correct clamping and prevent exhaust leaks.
Also known as:
Manifold fixing stud, BSF exhaust stud, exhaust manifold studding, cylinder head exhaust stud, engine exhaust fastener, manifold retaining stud, BSF manifold fixing.
Fits Models:
PJ, PJ4
Alternate Part Numbers:
CF 51B, CF51B
Product Specifications
| L&S Part No. | CF 51B |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Lister Petter |
| Unit of Sale | 1 |
| Size | 5/162 BSF x 3 3/4" |
| Machine Type | Engines |
| Fits Brands | Lister Petter |
| Key Features | - Genuine Lister Petter part for PJ and PJ4 engines - 5/16 in BSF thread for correct manifold engagement - 3 3/4 in length ensures proper clamping - Durable steel for high-temperature environments - Direct replacement, no modifications needed |
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