Description
Overview:
The Rocker Arm for Stihl SP90 and SP90T (OEM 4282 038 1000) is a Genuine Stihl valve-train component that transfers cam motion to the valves for smooth, efficient running. Built from durable, precision‐machined metal with a robust pivot profile, it helps maintain reliable timing and consistent valve lift in demanding use. Purpose-made for Stihl handheld petrol machines, it is a direct-fit replacement that restores correct operation without modification. Suitable for brushcutters, clearing saws, Kombi engines, hedge trimmers, pole pruners, blowers and earth augers across the same engine family, it offers an exact match to the original part for SP90/SP90T and many related models.
Key Features:
- Genuine Stihl part for assured fit, performance and compatibility
- Direct replacement for OEM 4282 038 1000; no modifications required
- Precision-engineered geometry for accurate, repeatable valve actuation
- Durable metal construction designed for long service life
- Helps restore power, smooth running and dependable starting
- Consistent operation under high RPM and continuous professional use
- Broad model coverage across Stihl engines used in multiple tool types
- Straightforward installation using standard workshop tools
Typical Applications:
Used during routine servicing or engine rebuilds to replace worn or damaged rocker arms that can lead to noise, poor running or reduced performance. Suitable for professional landscaping, grounds care, forestry, utilities and construction site use where reliable day‐long operation is essential. Ideal for keeping fleet machines in specification and extending service life.
Also known as:
Valve rocker, engine rocker, cam follower, rocker lever, tappet lever, valve lever, valve train rocker.
Fits Models:
BR500, BR550, BR600, BR700, BT 130, BT 130 Z, BT 131, FC 90, FC 95, FC 96, FC 100, FC 110, FC 111, FC 91, FR130T, FR131T, FS83, FS83T, FS87, FS87R, FS89, FS89R, FS90, FS90R, FS91, FS91R, FS100, FS100R, FS100RX, FS110, FS110R, FS110RX, FS110X, FS111, FS111R, FS111RX, FS120, FS130, FS130R, FS131, FS131R, FS200, FS250, FS310, FS311, FT100, HL90, HL90K, HL95, HL95K, HL100, HL100K, HT73, HT100, HT101, HT102, HT103, HT130, HT131, HT132, HT133, HT135, KM90, KM90R, KM91R, KM100, KM100R, KM110R, KM111R, KM130, KM130R, KM131, KM131R, SP90, SP90T
Alternate Part Numbers:
4282-038-1000, 42820381000
Product Specifications
| L&S Part No. | 4282 038 1000 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Stihl |
| OEM No. | 42820381000 |
| Unit of Sale | 1 |
| Applications | BR500, BR550, BR600, BR700, BT 130, BT 130 Z, BT 131, BT130, BT130Z, BT131, FC 100, FC 111, FC 90, FC 91, FC100, FC110, FC111, FC90, FC91, FC95, FC96, FR130T, FR131T, FS100, FS100R, FS100RX, FS110, FS110R, FS110RX, FS110X, FS111, FS111R, FS111RX, FS120, FS130, FS130R, FS131, FS131R, FS200, FS250, FS310, FS311, FS83, FS83T, FS87, FS87R, FS89, FS89R, FS90, FS90R, FS91, FS91R, FT100, HL 95, HL 95 K, HL100, HL100K, HL90, HL90K, HL95, HL95K, HT100, HT101, HT102, HT103, HT130, HT131, HT132, HT133, HT135, HT73, KM100, KM100R, KM110R, KM111R, KM130, KM130R, KM131, KM131R, KM90, KM90R, KM91R, SP90, SP90T |
| Machine Type | Brushcutters, Pole Pruners, Backpack Blowers, Kombi Engines |
| Fits Brands | Stihl |
| Fits Models | FS83, FS83T | FS90, FS90R | FS100, FS110 | FS120, FS200, FS250 | FS130, FS130R | FS310 | BR500 | FS91, FS91R | FS111, FS111R, FS111RX | FS131, FS131R | FS311 | FR130T | FR131T | FS89, FS89R | HT73 | HT101 | HT102, HT103 | HT130 | HT131 | HT132, HT133 | KM90, KM90R | KM91R | KM100, KM100R, KM110R | KM111R Engines | KM130, KM130R | KM131, KM131R | FC 90, 95 | FC 100 | FC 111 | BT 130 | BT 131 | BT 130 Z | FC 91, 96 | HL90K, HL90, HL95K | HL100, HL100K | BR550 | BR600 | BR700 | HL 95, HL 95 K | HT135 | HT134 |


