Stihl Tensioner Slide (OEM Part No. 1124 640 1900 / 11246401900) is a genuine STIHL chain tensioner slide — the small but essential component of the chain tensioning mechanism on specific STIHL professional chainsaws. It transfers movement from the adjuster screw to the guide bar, allowing accurate chain tensioning for safe, efficient cutting and smooth operation.

---

Key Features:

• Genuine STIHL OEM Part – Ensures correct fit and performance

• Precision Tensioning – Maintains accurate chain tension to reduce wear on bar, chain, and sprocket

• Durable Polymer Construction – Resists oil, debris and daily wear

• Direct Replacement – Fits into original adjuster assembly with no modification required

• Smooth Slide Action – Helps the adjuster move freely for repeatable tensioning adjustments

Suitable For:

This tensioner slide is designed for use with the chain tension adjuster assembly on heavy-duty STIHL chainsaws such as:

• STIHL 084

• STIHL 088

• STIHL MS 780

• STIHL MS 880

• STIHL MS 881
  
  

---

Product Details:

• Product Type: Chain tensioner slide

• Part Number: 1124 640 1900 / 11246401900

• Brand: STIHL Genuine OEM

• Function: Provides smooth, reliable adjustment of bar and chain tension

• Application: Professional chainsaws that use this tensioner design

---

Why Choose This Tensioner Slide:

The STIHL 1124 640 1900 tensioner slide delivers dependable performance and correct tension adjustment geometry required for professional and heavy-duty saw use. Replacing worn or damaged slides with the genuine STIHL part helps maintain safe chain tension, reduces uneven wear, and improves cutting stability and efficiency — especially important on large bar, high-power chainsaws used in forestry and arborist work.