This annular buffer/rubber mount is a genuine Stihl anti‐vibration component designed for pro and home-use chainsaws. Made from tough black rubber with a bonded metal sleeve, it sits between the engine unit and the handle frame to isolate vibration and protect the saw from fatigue damage. By reducing vibration transfer to the user and chassis, it helps maintain comfort and control during long cutting tasks. Purpose-made for Stihl machines such as the MS440 and 036QS, it offers accurate fit and long service life. Supplied to the original equipment standard and identified by OEM part number 1125 790 9904, it is a straightforward replacement for worn or perished mounts, restoring the effectiveness of the saw’s AV system.
Key Features:
– Genuine Stihl part for assured compatibility and performance
– OEM reference 1125 790 9904 for quick identification
– Durable rubber compound with bonded metal bush for secure mounting
– Reduces vibration transfer to handles for better comfort and control
– Helps protect crankcase, fasteners, and frame from vibration‐related wear
– Aids consistent cutting accuracy by limiting chatter and resonance
– Resistant to typical oil, fuel splash, and outdoor conditions
– Straightforward like‐for‐like replacement using standard hand tools
– Suitable for regular servicing or full saw rebuilds
– Built for heavy, repeated use by tradespeople and DIY users alike
Typical Applications:
Replace when vibration increases, handles feel loose, or the original mount shows cracking, hardening, or separation. Common during scheduled maintenance, after accidental impacts, or when restoring older Stihl saws used for felling, logging, storm clearance, and firewood processing.
Also known as:
Anti‐vibration mount, AV mount, isolation bush, isolation mount, silent block, shock absorber bush, handle mount, engine isolation bushing.
Fits Models:
034, 036, 036 QS, 036QS, 044, 046, 064, 066, MS 340, MS 360, MS 360 C, MS 440, MS 460, MS 461, MS 640, MS 650, MS 660, MS340, MS360, MS360C, MS440, MS460, MS461, MS640, MS650, MS660
Alternate Part Numbers:
1125-790-9904, 11257909904
Product Specifications
| L&S Part No. | 1125 790 9904 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Stihl |
| OEM No. | 11257909904 |
| Unit of Sale | 1 |
| Applications | 034, 036, 036 QS, 036QS, 044, 046, 064, 066, MS 340, MS 360, MS 360 C, MS 440, MS 460, MS 461, MS 640, MS 650, MS 660, MS340, MS360, MS360C, MS440, MS460, MS461, MS640, MS650, MS660 |
| Machine Type | Chainsaws |
| Fits Models | MS440 | MS460 | MS340 | MS360, MS360C | MS640 | 034 | MS461 | MS650 | MS660 | 036 | 036QS | 044 | 046 | 064 | 066 |












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