Description
Overview:
This Genuine Stihl spring is an OEM replacement for maintaining correct tension and smooth operation in compatible Stihl machines, including brushcutters and combi tools. Made from robust spring steel for strength and resilience, it helps restore reliable function where the original spring has worn, fatigued, or broken. It is designed for a precise fit in specified models such as the FS75 and FS80, and many others across the Stihl range. Supplied under OEM No. 4128 791 3100, it offers the correct specification and performance expected from a factory part. Fitting a genuine spring supports consistent starting, control response and mechanism reset, reducing downtime during routine maintenance or repairs.
Key Features:
- Genuine Stihl part for assured compatibility and correct specification
- Durable spring steel construction for long service life
- Restores correct tension and return action in the intended mechanism
- Helps prevent poor engagement and erratic operation caused by a weak or damaged spring
- Consistent fit and function thanks to OEM dimensions and finish
- Suitable across a wide range of Stihl brushcutters, clearing saws, pole pruners, hedge trimmers, augers and combi engines (model-specific placement)
- Straightforward to install during routine servicing with standard hand tools
- Identified by OEM No. 4128 791 3100 for easy ordering and diagram matching
Typical Applications:
Used during servicing or repair of Stihl outdoor power equipment to replace a fatigued or broken spring that maintains tension or return in the specified assembly. Typical scenarios include resolving poor control return, inconsistent mechanism reset, or loss of tension after heavy use. Suitable for professional grounds maintenance, landscaping, agriculture, local authority work, and domestic garden care where dependable machine operation is required.
Also known as:
Brushcutter tension spring, return spring, mechanism spring, Stihl OEM spring, spare spring for Stihl machines, equipment tensioning spring, replacement metal spring.
Fits Models:
BT 120 C, BT 121, BT 121 Z, BT 130, BT 130 Z, BT120C, BT121, BT121Z, BT130, BT130Z, FC 100, FC 110, FC 73, FC 75, FC 85, FC 90, FC 95, FC100, FC110, FC73, FC75, FC85, FC90, FC95, FH 75, FH75, FR 130 T, FR 220, FR 350, FR 410 C, FR 450, FR 460 TC, FR 480, FR 480 C, FR 85, FR 85 T, FR130T, FR220, FR350, FR410C, FR450, FR460TC, FR480, FR480C, FR85, FR85T, FS 100, FS 100 R, FS 100 RX, FS 110, FS 110 R, FS 110 RX, FS 110 X, FS 120, FS 120 R, FS 130, FS 130 R, FS 200, FS 200 R, FS 240 C, FS 240 RC, FS 250, FS 250 R, FS 260 C, FS 260 RC, FS 300, FS 310, FS 350, FS 360, FS 360 C, FS 380, FS 400, FS 410 C, FS 420, FS 420 L, FS 450, FS 460 C, FS 460 RC, FS 480, FS 500, FS 550, FS 550 L, FS 75, FS 80, FS 80 R, FS 85, FS 85 R, FS 85 RX, FS 85 T, FS 90, FS 90 R, FS100, FS100R, FS100RX, FS110, FS110R, FS110RX, FS110X, FS120, FS120R, FS130, FS130R, FS200, FS200R, FS240, FS240C, FS240RC, FS250, FS250R, FS260, FS260C, FS260RC, FS300, FS310, FS350, FS360, FS360C, FS380, FS400, FS410C, FS420, FS420L, FS450, FS460C, FS460RC, FS480, FS500, FS550, FS550L, FS75, FS80, FS80R, FS85, FS85R, FS85RX, FS85T, FS90, FS90R, FT 100, FT100, HL 100, HL 100 K, HL 75, HL 75 K, HL 90, HL 90 K, HL 95, HL 95 K, HL100, HL100K, HL75, HL75K, HL90, HL90K, HL95, HL95K, HT 100, HT 101, HT 130, HT 131, HT 70, HT 70 K, HT 73, HT 75, HT100, HT101, HT130, HT131, HT70, HT70K, HT73, HT75, KA 120, KA 120 R, KA 250, KA 85 R, KA120, KA120R, KA250, KA250 Attachment, KA85R, KA85R Attachment, KM 100, KM 100 R, KM 110 R, KM 130, KM 130 R, KM 85, KM 85 R, KM 90, KM 90 R, KM100, KM100R, KM110R, KM130, KM130R, KM85, KM85R, KM90, KM90R, KR 85, KR85, KR85 Attachment, KW 85, KW85, SP 200, SP 400, SP 450, SP 80, SP 80 K, SP 85, SP 85 K, SP200, SP400, SP450, SP80, SP80K, SP85, SP85K
Alternate Part Numbers:
4128-791-3100, 41287913100
Product Specifications
| L&S Part No. | 4128 791 3100 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Stihl |
| OEM No. | 41287913100 |
| Unit of Sale | 1 |
| Applications | BT 120 C, BT 121, BT 121 Z, BT 130, BT 130 Z, BT120C, BT121, BT121Z, BT130, BT130Z, FC 100, FC 110, FC 73, FC 75, FC 85, FC 90, FC 95, FC100, FC110, FC73, FC75, FC85, FC90, FC95, FH 75, FH75, FR 130 T, FR 220, FR 350, FR 410 C, FR 450, FR 460 TC, FR 480, FR 480 C, FR 85, FR 85 T, FR130T, FR220, FR350, FR410C, FR450, FR460TC, FR480, FR480C, FR85, FR85T, FS 100, FS 100 R, FS 100 RX, FS 110, FS 110 R, FS 110 RX, FS 110 X, FS 120, FS 120 R, FS 130, FS 130 R, FS 200, FS 200 R, FS 240 C, FS 240 RC, FS 250, FS 250 R, FS 260 C, FS 260 RC, FS 300, FS 310, FS 350, FS 360, FS 360 C, FS 380, FS 400, FS 410 C, FS 420, FS 420 L, FS 450, FS 460 C, FS 460 RC, FS 480, FS 500, FS 550, FS 550 L, FS 75, FS 80, FS 80 R, FS 85, FS 85 R, FS 85 RX, FS 85 T, FS 90, FS 90 R, FS100, FS100R, FS100RX, FS110, FS110R, FS110RX, FS110X, FS120, FS120R, FS130, FS130R, FS200, FS200R, FS240, FS240C, FS240RC, FS250, FS250R, FS260, FS260C, FS260RC, FS300, FS310, FS350, FS360, FS360C, FS380, FS400, FS410C, FS420, FS420L, FS450, FS460C, FS460RC, FS480, FS500, FS550, FS550L, FS75, FS80, FS80R, FS85, FS85R, FS85RX, FS85T, FS90, FS90R, FT 100, FT100, HL 100, HL 100 K, HL 75, HL 75 K, HL 90, HL 90 K, HL 95, HL 95 K, HL100, HL100K, HL75, HL75K, HL90, HL90K, HL95, HL95K, HT 100, HT 101, HT 130, HT 131, HT 70, HT 70 K, HT 73, HT 75, HT100, HT101, HT130, HT131, HT70, HT70K, HT73, HT75, KA 120, KA 120 R, KA 250, KA 85 R, KA120, KA120R, KA250, KA250 Attachment, KA85R, KA85R Attachment, KM 100, KM 100 R, KM 110 R, KM 130, KM 130 R, KM 85, KM 85 R, KM 90, KM 90 R, KM100, KM100R, KM110R, KM130, KM130R, KM85, KM85R, KM90, KM90R, KR 85, KR85, KR85 Attachment, KW 85, KW85, SP 200, SP 400, SP 450, SP 80, SP 80 K, SP 85, SP 85 K, SP200, SP400, SP450, SP80, SP80K, SP85, SP85K |
| Machine Type | Brushcutters |
| Fits Brands | Stihl |
| Fits Models | FS75, FS80, FS85 | FS90, FS90R | FS100, FS110 | FS120, FS200, FS250 | FS130, FS130R | FS240, FS260 | FS300, FS350, FS380 | FS310 | FS360C FS410C | FS400, FS450, FS480 | FS460C, FS460RC | FS500, FS550, FS550L | FS360, FS420, FS420L (older models) | FR85T, FR85 | FR130T | FR350, FR450, FR480, FR480C | FR410C, FR460TC | HT70, HT70K, HT75 | HT73 | HT101 | HT130 | HT131 | KM85, KM85R | KM90, KM90R | KM100, KM100R, KM110R | KM130, KM130R | KA85R Attachment | KR85 Attachment | KA120, KA120R, KA250 Attachment | KW 85 | FC 73 | FC 75 | FC 85 | FC 90, 95 | FC 100 | BT 130 | BT 120 C | BT 121 | BT 121 Z | BT 130 Z | HL75, HL75K | HL90K, HL90, HL95K | HL100, HL100K | HL 95, HL 95 K | SP 85 |
