Description
Overview:
This Compression Spring is a genuine Bosch OEM component for heavy-duty demolition hammers, including the USH27 and GSH 27. Manufactured from durable steel, it provides controlled compression within the hammer mechanism to keep the striker and piston operating smoothly under load. By maintaining the correct tension, it helps ensure consistent blows, reduced downtime, and reliable performance in demanding breaking and chiselling work. Designed as a direct-fit replacement, OEM No. 3614640501, it is suitable for regular maintenance or to replace a fatigued or damaged spring. Its precise dimensions and Bosch build quality support long service life and stable operation in professional and DIY settings where breakers are used daily on concrete, masonry, and hard substrates.
Key Features:
- Genuine Bosch OEM spring for assured fit and function
- Steel construction for strength and durability under repeated impact cycles
- Maintains correct mechanism tension for consistent hammering performance
- Direct replacement for straightforward installation during routine servicing
- Supports smooth piston return and reduces misfires caused by weak springs
- Suitable for tough site conditions and high-duty applications
- Helps restore tool performance without altering original specifications
- Bosch part reference: 3614640501 for easy identification
Typical Applications:
Used in demolition hammers and breakers to maintain the percussion mechanism's preload and return action during heavy chiselling and breaking. Ideal when a tool shows reduced impact energy, irregular striking, or sluggish operation. Common on construction sites, civil works, utility repairs, plant hire maintenance, and facilities teams working on concrete slabs, pavement, brick, and other dense materials.
Also known as:
Compression spring, hammer spring, replacement spring, coil spring, breaker spring, hammer mechanism spring. These terms all refer to the same internal spring that ensures correct tension and return within the demolition hammer's impact system.
Fits Models:
USH27, GSH 27, HSH 28, 11304
Alternate Part Numbers:
3 614 640 501, 3.614.640.501
Product Specifications
| L&S Part No. | 3614640501 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Bosch |
| OEM No. | 3614640501 |
| Unit of Sale | 1 |
| Applications | 11304, GSH 27, GSH27, HSH 28, HSH28, USH27 |
| Machine Type | Power Demolition Tools |
| Fits Brands | Bosch |
Reviews
Ask a Question
Compatibility
Customers also bought
-
![]()
Honda GX120 Pulley Kit for Belle Minimix 150£15.72 £13.10
