Description
Overview:
The Ignition Barrel & Key for JCB Machines (OEM reference 334/D3643) is a metal lock-cylinder assembly supplied with two matching keys. It restores secure, reliable control of the starter circuit and electrical system on JCB plant, helping prevent unwanted use and resolving issues caused by worn barrels or lost keys. Constructed from durable metal with a hard-wearing finish, the barrel is designed to withstand tough site conditions. It serves as a direct replacement by OEM reference, suitable across many JCB machines used in construction, agriculture, and landscaping, including backhoe loaders, telehandlers, excavators, and wheel loaders. The set is practical for workshops, fleet maintenance, and owner-operators who need a dependable ignition lock to keep equipment operational and reduce downtime.
Key Features:
- OEM cross-reference 334/D3643 for straightforward identification and replacement
- Durable metal barrel with precise tumblers for consistent key engagement
- Smooth key turn and positive switch action for reliable starting performance
- Supplied with two keys for convenience and a ready spare on site
- Suitable for a wide range of JCB machines; match your old unit and part number
- Corrosion-resistant finish for outdoor and site environments
- Straightforward installation with basic hand tools to minimise downtime
- Secure lock profile to help deter unauthorised operation of machinery
Typical Applications:
Used to replace worn, damaged, or intermittent ignition barrels on JCB plant across building sites, farms, yards, and depots. Common during routine servicing, after key loss, or when the original lock becomes loose or fails to return properly. Suitable for backhoe loaders, telehandlers, excavators, and wheel loaders to restore dependable engine start control and day-to-day security.
Also known as:
Key switch, start switch, lock cylinder, starter lock, ignition tumbler, barrel and keys set.
Alternate Part Numbers:
334/D3643, 334 D3643
Product Specifications
| L&S Part No. | 334/D3643 |
|---|---|
| Manufacturer | JCB |
| OEM No. | 334/D3643 |
| Unit of Sale | 1 |
| Machine Type | Excavators, Loaders, Dumpers, Tractors |
| Fits Brands | JCB |
| Key Features | - OEM reference 334/D3643 for easy replacement - Durable metal barrel with precise tumblers - Supplied with two keys for convenience - Suitable for various JCB machines - Corrosion-resistant finish for site environments |
