Description
Overview:
This tab washer for balance weights is a genuine Lister Petter spare for Petter PH diesel engines. Manufactured from durable metal, it is designed to lock balance weight fasteners securely in place, helping to prevent loosening under vibration and load. By keeping the balance weight assembly tight, it supports smooth engine running and protects internal components from premature wear. It is particularly suitable for vintage and classic PH units where correct hardware is important for reliability and authenticity. As unused old stock, the item may show minor tarnish or cosmetic ageing that does not affect performance. Supplied to the original specification, it offers an accurate fit and dependable service in PH Diesel applications where a positive mechanical lock is required.
Key Features:
- Genuine Lister Petter part for PH Diesel engines (MPN: JC50A)
- Durable metal construction for dependable service in harsh engine conditions
- Bend-over tab provides a positive mechanical lock to resist bolt back-off
- Helps maintain balance weight security for smoother running and reduced vibration
- Made to the correct profile for the PH balance weight assembly fasteners
- Unused old stock; light tarnish possible with no impact on function
- Straightforward to fit with basic hand tools; tabs form easily and hold firmly
- Sensible to replace during overhauls once a tab has been folded into place
Typical Applications:
Used during engine rebuilds, scheduled maintenance, and field repairs on Petter PH diesel engines to secure the balance weight bolts. Common in stationary sets and plant where PH engines power generators, pumps, compressors, mixers, and agricultural or construction equipment. Ideal when reinstating original hardware on vintage units to maintain correct assembly and long-term reliability.
Also known as:
Locking washer, lock washer, tabbed washer, folded tab washer, anti-rotation washer, counterweight tab washer, balance weight locking plate. These terms describe a washer with one or more tabs that are bent over a bolt head or nut to stop rotation after tightening.
Fits Models:
PH Diesel, PHDiesel
Alternate Part Numbers:
JC50A
Product Specifications
| L&S Part No. | JC50A |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Lister Petter |
| Unit of Sale | 1 |
| Size | Overall Length: 40mm Overall Widht; 35mm |
| Machine Type | Engines |
| Fits Brands | Lister Petter |
| Key Features | - Genuine Lister Petter part for PH Diesel engines - Durable metal construction for harsh engine conditions - Bend-over tab locks fasteners to prevent loosening - Maintains balance weight security for smoother running - Made to correct profile for PH balance weight assembly |
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