Description
Overview:
The Compression Spring 42 for Makita rotary hammers, with Manufacturer Part Number (MPN) 234052-1, is a small but critical Genuine Makita spare part. Manufactured from tempered spring steel for resilience and repeatable performance, it maintains the correct preload and return force within the hammer’s internal mechanism, helping the tool deliver consistent impact and reliable mode selection. Suitable for professional users and DIY repairs alike, it restores smooth operation when the original spring has worn, bent, or lost tension. Designed specifically for Makita hammer drills such as the HR3210C and HR3541FC, it offers a direct, like-for-like replacement with accurate fitment and dependable service life. Choosing the genuine part helps protect tool performance and reduces downtime during routine maintenance or fault rectification.
Key Features:
- Genuine Makita part (OEM) for assured compatibility and fit
- Tempered spring steel construction for durability and fatigue resistance
- Maintains correct tension and return force in the hammer mechanism
- Helps restore consistent impact and smooth mode operation
- Direct replacement to match MPN 234052-1 for straightforward identification
- Designed for the listed Makita hammer drill models
- Easy to install with basic hand tools, minimising downtime
- Suitable for preventative maintenance and repair programmes
- Supports reliable performance under regular site or workshop use
Typical Applications:
Used during maintenance or repair of Makita rotary hammers when the original spring is worn, distorted, or has weakened. Common in overhauls of the impact or mode-change assemblies, helping to cure issues such as inconsistent hammering, sluggish return, or difficulty engaging modes. Ideal for keeping high-use site tools operating efficiently and extending service life.
Also known as:
Compression Spring 42, hammer drill compression spring, rotary hammer return spring, OEM Makita spring for HR-series tools, replacement spring for hammer mechanism, Makita tool spring.
Fits Models:
HR3210C, HR3210FCT, HR3540C, HR3541FC
Alternate Part Numbers:
234052-1, 234052 1, 2340521
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