This Av-Spring is a genuine Stihl OEM vibration-damping spring for petrol chainsaws, engineered to isolate engine vibration from the handles for smoother cutting and better comfort. Built as a robust metal coil spring, it helps reduce hand-arm vibration and protects other components from stress during heavy use. Designed specifically for the Stihl MS 441 and MS 441 C, it provides an accurate fit and restores the saw’s handling as intended by the manufacturer. Supplied to the correct specification under Manufacturer Part Number 1138 790 8300 (also written as 11387908300 and 1138-790-8300), it is suitable for routine maintenance or as a direct replacement when vibration increases or the original spring shows wear.

Key Features:
– Genuine Stihl OEM part for assured compatibility and reliability (MPN: 1138 790 8300)
– Precision fit for MS 441 and MS 441 C platforms, including MS441/MS441C variants
– Durable metal coil construction for long service life under professional use
– Reduces vibration to improve user comfort, control, and cut accuracy
– Helps prevent fasteners and mounts from loosening due to sustained vibration
– Maintains the saw’s designed balance and handling characteristics
– Straightforward like-for-like replacement with standard tools
– Supports good practice in managing hand-arm vibration exposure during prolonged work

Typical Applications:
Ideal for forestry, arboriculture, landscaping, site clearance, and firewood processing where chainsaws are operated for extended periods. Suitable for professional and heavy-duty tasks as well as regular maintenance schedules to keep vibration levels consistent and the saw performing predictably.

Also known as:
Vibration damper spring, AV mount spring, handle isolator spring, suspension spring, buffer spring, anti-shock spring, handle system spring.

Fits Models:
MS 441, MS 441 C, MS441, MS441C

Alternate Part Numbers:
1138-790-8300, 11387908300

Product Specifications