Description
Overview:
The Gudgeon Pin for the JAP Model 3 is a precision-ground steel pin that links the piston to the connecting rod, allowing free rotation at the small end in an internal combustion engine. Built for reliable service in industrial stationary engines, it suits JAP 3 and Model 3 units and maintains smooth piston movement under load. This is a Genuine Jap part (OEM No. 9904) with a plain steel finish and robust construction for long working life. Supplied as unused old stock, it may show cosmetic tarnish from storage but remains functionally unused. It is a direct-fit replacement that supports correct clearances when used with a sound small-end bush, helping to keep your engine running smoothly during routine maintenance, repairs, or full rebuilds.
Key Features:
- Genuine Jap part, OEM No. 9904
- Engineered specifically for JAP 3 / Model 3 industrial engines
- Precision-ground steel construction for dimensional accuracy and smooth operation
- Wear-resistant and robust to handle combustion loads over long service
- Direct replacement to match original fit in the small-end of the connecting rod
- Helps maintain correct piston alignment and smooth running
- Suitable for rebuilds, repairs, and preventative maintenance schedules
- Straightforward installation with standard workshop tools and procedures
- Unused old-stock vintage item; may show light tarnish that does not affect performance
- Supports dependable engine performance in demanding industrial use
Typical Applications:
Used during overhauls and repairs of JAP 3/Model 3 industrial engines found on equipment such as site pumps, generators, compressors, mixers, and light plant. Ideal for restoring dependable operation in workshops, heritage restorations, and routine maintenance where OEM-grade components are required.
Also known as:
Piston pin, wrist pin, little-end pin, small-end pin, piston gudgeon, connecting-rod pin.
Fits Models:
JAP 3, Model 3
Alternate Part Numbers:
9904
Product Specifications
| L&S Part No. | 9904 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Jap |
| Unit of Sale | 1 |
| Machine Type | Engines |
| Fits Brands | JAP |
| Key Features | - Precision-ground steel for dimensional accuracy - Direct replacement for JAP 3 / Model 3 engines - OEM No. 9904 ensures correct fit - Wear-resistant for long service life - Suitable for rebuilds and repairs |
| Fits Models | JAP 3 |
Reviews
Ask a Question
Compatibility
Customers also bought
-
![]()
Key Steel (Imperial) Length: 12" Assorted Pack of 20£83.17 £69.31 -
![]()
Flat Bar, Sizes: 20 x 3-6mm - Assorted Pack of 10£83.68 £69.73
Related Products
-
![]()
Key Steel (Imperial) Length: 12" Assorted Pack of 20£83.17 £69.31 -
![]()
Flat Bar, Sizes: 20 x 3-6mm - Assorted Pack of 10£83.68 £69.73
