Description
Overview:
Quick Tensioner Parts for Stihl MS231 and MS251 chainsaws are a genuine Stihl replacement set designed to restore smooth, reliable chain tension adjustment. Built from hard‐wearing polymer components with metal hardware, the assembly is engineered for the stresses of regular cutting and routine maintenance. It helps maintain correct chain tension, reduce the risk of derailment, and support even bar and chain wear for consistent cutting performance. Purpose-made for the Stihl MS231 and MS251 platforms, it fits precisely to the original mechanism without modification. Ideal for workshop repairs or preventative maintenance, it is suitable for professional users and homeowners who need dependable operation from their saw. Manufacturer Part Number (MPN): 1143 007 1005.
Key Features:
- Genuine Stihl component for assured compatibility and performance
- Purpose-built for MS231/MS251 families for a precise OEM fit
- Robust polymer and metal parts for durability under daily use
- Smooth, accurate chain tension adjustment for consistent cutting
- Helps prevent chain slippage and premature bar/chain wear
- Supports faster routine maintenance and chain replacement
- Straightforward installation following standard workshop practice
- OEM reference MPN 1143 007 1005 for easy identification
Typical Applications:
Used during servicing or repair of Stihl MS231/MS251 chainsaws to replace worn or damaged tensioning components. Suitable after chain or bar changes, to correct poor tension retention, or to resolve uneven cutting due to slack chains. Helps keep the saw safe, efficient, and ready for general felling, logging, pruning, and firewood tasks.
Also known as:
Chain tightening mechanism, quick adjustment kit, bar-and-chain adjustment set, tensioner assembly, adjusting wheel set, chain tension kit.
Fits Models:
MS 231, MS 231 C, MS 251, MS 251 C, MS231, MS231C, MS251, MS251C
Alternate Part Numbers:
1143-007-1005, 11430071005
Product Specifications
| L&S Part No. | 1143 007 1005 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Stihl |
| OEM No. | 11430071005 |
| Unit of Sale | 1 |
| Machine Type | Chainsaws |
| Fits Brands | Stihl |
| Key Features | - Genuine Stihl part ensures compatibility with MS231/MS251 chainsaws - Designed for precise OEM fit on MS231/MS251 models - Durable polymer and metal construction for regular use - Enables smooth, accurate chain tension adjustment - Prevents chain slippage and uneven bar wear |
| Fits Models | MS231, MS251 |

