Description
Overview:
This genuine JCB diaphragm is a service replacement for hydraulic breakers, engineered to restore reliable sealing and impact performance. Built from a durable rubber/elastomer compound designed for hydraulic environments, it helps maintain the internal separation and cushioning needed for consistent blows and efficient operation. It is suitable for a range of JCB tools and attachments and is a direct fit for the HM25 and HM60 breakers. Using the correct diaphragm reduces performance loss, helps prevent fluid ingress across chambers, and supports longer service intervals. Supplied under JCB Manufacturer Part Number 929/05346, it offers the OE fit, finish, and compatibility required for dependable plant maintenance on site or in the workshop.
Key Features:
- Genuine JCB part for assured compatibility and performance (MPN 929/05346)
- Robust moulded rubber/elastomer construction for hydraulic service
- Maintains effective sealing to support consistent breaker impact energy
- Helps reduce downtime caused by leaks and loss of performance
- Resistant to hydraulic oil, heat, and vibration in heavy-duty use
- Direct-fit dimensions for straightforward replacement during servicing
- Easy to install with standard workshop tools
- Supports reliable operation across listed JCB breakers and attachments
- Suitable for preventative maintenance schedules and overhauls
Typical Applications:
Used during routine servicing and repairs of JCB hydraulic breakers in construction, demolition, utilities, highways, and plant hire. Ideal for restoring performance after wear or damage, helping keep breakers operating smoothly, limiting unplanned stoppages, and maintaining consistent striking power in tough on-site conditions.
Also known as:
Breaker diaphragm, hydraulic hammer membrane, hammer diaphragm seal, impact breaker membrane, hydraulic breaker sealing diaphragm.
Fits Models:
COMPACTOR, HM 160, HM 960, HM1180, HM160, HM25, HM2780, HM60, HM960, LH 500, LH500, SNOW/DOZER, SUBPUMP, SWEEPER
Product Specifications
| L&S Part No. | 929/05346 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | JCB |
| OEM No. | JCB92905346 |
| Unit of Sale | 1 |
| Applications | COMPACTOR, HM 160, HM 960, HM1180, HM160, HM25, HM2780, HM60, HM960, LH 500, LH500, SNOW/DOZER, SUBPUMP, SWEEPER |
| Machine Type | Breakers |
| Fits Brands | JCB |
| Fits Models | HM25 |
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