Description
Overview:
This Crankcase Bearing Plate (Drive Side) is a Genuine JAP part for the JAP 4/3 petrol engine range, made from durable machined metal for long service life. It locates and supports the drive‐side main bearing, helping to keep the crankshaft correctly aligned and the crankcase sealed so the engine runs smoothly. Supplied as unused old stock, it retains original factory specification and is suitable for restoration and maintenance of vintage JAP engines. The plate is shaped to suit the drive side of the crankcase and is a direct fit for JAP 3 and JAP 4 models. Ideal for owners and restorers seeking authentic components that match original tolerances and geometry without modification.
Key Features:
- Genuine JAP part for correct fit and reliability
- Drive‐side specific plate for the JAP 4/3 engine family
- Unused old stock (may show storage tarnish; performance unaffected)
- Robust metal construction to withstand bearing loads and vibration
- Maintains crankshaft alignment and smooth engine operation
- Direct replacement for worn, cracked, or distorted plates
- Suitable for vintage engine restoration and long‐term service
- Designed to accept the drive‐side main bearing in the original housing
- Helps preserve original specification and authenticity of classic machinery
- Compatible with JAP 3 and JAP 4 engines used across small plant and stationary applications
Typical Applications:
Used when rebuilding or servicing JAP 3 and JAP 4 petrol engines found in classic stationary engines and small plant, including period equipment such as pumps, generators, compactors, and garden or agricultural machinery. Ideal for restoring reliable operation where the original drive‐side bearing plate is damaged or worn.
Also known as:
Drive‐side end plate, crankcase end cover, crankshaft bearing housing, main bearing carrier, drive‐side crankcase plate, engine end plate (drive side).
Fits Models:
JAP 3, JAP 4, JAP3, JAP4
Alternate Part Numbers:
21545
Product Specifications
| L&S Part No. | 21545 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | JAP |
| OEM No. | 21545 |
| Unit of Sale | 1 |
| Machine Type | Engines |
| Fits Brands | JAP |
| Key Features | - Genuine JAP part ensures correct fit and reliability - Direct fit for JAP 3 and JAP 4 engines - Machined metal construction withstands bearing loads - Maintains crankshaft alignment for smooth operation - Suitable for vintage engine restoration and maintenance |
| Fits Models | JAP 4, 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
