Stihl 1141 141 7520 Pre-Separator – Genuine Pre-Separation Filter for MS 261, MS 271 & MS 291 Chainsaws
Improve the performance and longevity of your Stihl chainsaw with the Stihl 1141 141 7520 Pre-Separator, a genuine OEM component designed to optimize air filtration before it reaches the main air filter. Compatible with Stihl MS 261, MS 271, and MS 291, this pre-separator plays a key role in keeping your engine cleaner for longer.
By removing larger debris and dust particles early in the air intake process, the pre-separator reduces strain on the air filter and ensures your engine receives cleaner airflow. This means more efficient operation, better fuel economy, and extended maintenance intervals—ideal for demanding professional or heavy-duty use.
Key Features:
OEM Stihl Part Number: 1141 141 7520
Pre-Separation Function – Filters out larger debris before it reaches the main air filter
Enhanced Engine Protection – Reduces wear and prolongs engine life
Boosts Air Filter Life – Minimizes clogging for longer intervals between cleanings
Durable & Reliable – Built to withstand tough cutting environments
Easy Installation – Direct-fit replacement part
See Compatible Models Below: