Description
Overview:
This Base for Stihl grass trimmers is a Genuine Stihl part designed to restore the correct support and alignment of the cutting head assembly on compatible machines. Built from a durable, impact‐resistant polymer in a practical black finish, it forms the lower housing that supports the trimmer head and guard while protecting internal components from knocks and debris. It is engineered for the Stihl FSA 57 battery trimmer and the FSE 52 electric trimmer, ensuring a precise fit and reliable service life. Using the correct OEM component helps maintain smooth operation, balance, and safety, especially after wear, damage, or heavy use. OEM No. 4009 713 9700 provides a precise reference for like‐for‐like replacement to the original specification.
Key Features:
- Genuine Stihl replacement base (OEM No. 4009 713 9700) for assured fit and performance
- Precision-moulded polymer housing for strength, impact resistance, and longevity
- Supports and aligns the trimmer head and guard to maintain cutting accuracy
- Stable mounting platform compatible with AutoCut C 3-2 head used on these models
- Helps reduce vibration and protects internal parts from debris and scuffs
- Straightforward installation with standard hand tools to minimise downtime
- Matches original appearance to keep the machine tidy and consistent
- Suitable for regular maintenance or repair when the original base is cracked or worn
Typical Applications:
Replacement of a damaged or worn lower base on Stihl grass trimmers to restore stability, alignment, and safe operation. Used by landscapers, groundskeepers, hire fleets, and homeowners for routine maintenance, post‐impact repairs, or refurbishment of FSA 57 and FSE 52 machines to ensure consistent trimming performance and protection of internal parts.
Also known as:
Trimmer base plate, lower housing, bottom cover, trimmer support base, motor housing base, foot/base section, foundation plate, lower casing for cutting head, support shell for trimmer head.
Fits Models:
AutoCut C 3-2, FSA 57, FSA 57 SET, FSA57, FSE 52, FSE52
Alternate Part Numbers:
4009 713 9700, 4009-713-9700, 40097139700

