Description
Overview:
This Woodruff Key 5/32" x 5/8" is a genuine Stihl OEM part designed for Viking lawn mowers. Made from durable steel with a half-moon profile, it locates in the shaft keyway to lock rotating parts such as flywheels, pulleys, or blade hubs in place, preventing slippage and maintaining smooth, reliable operation. The size 5/32 in (approximately 3.97 mm) by 5/8 in (approximately 15.88 mm) matches original specifications for a precise fit. Suitable for use in models including the Viking MB 248.0 and MB 248.1, it helps preserve correct alignment within the engine and drive system, supporting efficient performance and reducing the risk of premature wear. Stihl part number 9482 435 9920 ensures assured compatibility and dependable quality.
Key Features:
- Genuine Stihl OEM component for quality and correct fit
- Size: 5/32 in (3.97 mm) x 5/8 in (15.88 mm) to match factory specification
- Robust steel construction for strength and long service life
- Accurate machining for secure seating in the shaft and component keyways
- Helps prevent slippage under load to maintain timing and drive alignment
- Supports smooth engine running and consistent cutting performance
- Suitable for Viking MB 248.x and MB 253.x series petrol mowers
- Straightforward to fit during repairs or routine maintenance
- Stihl reference: 9482 435 9920 for easy identification
Typical Applications:
Used to secure flywheels, pulleys, blade hubs, and other rotating parts to a crankshaft or drive shaft on Viking/Stihl walk-behind mowers. Ideal when rebuilding engines, replacing a blade boss or pulley, or after an impact where the original key is damaged, worn, or missing. Helps restore positive drive and reliable alignment.
Also known as:
Half-moon key, Woodruff half-moon key, engine key, shaft key, flywheel key, keyway key. Commonly referenced as a crankshaft key for small engines and lawn mowers.
Fits Models:
MB 248.0, MB 248.1, MB 248.1 T, MB 248.2, MB 248.2 T, MB 248.3, MB 248.3 T, MB 253.0, MB 253.0 T, MB248.0, MB248.1, MB248.1T, MB248.2, MB248.2T, MB248.3, MB248.3T, MB2480, MB2481, MB2481T, MB2482, MB2482T, MB2483, MB2483T, MB253.0, MB253.0T, MB2530, MB2530T
Alternate Part Numbers:
9482-435-9920, 94824359920
Product Specifications
| L&S Part No. | 9482 435 9920 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Stihl |
| OEM No. | 94824359920 |
| Unit of Sale | 1 |
| Applications | MB 248.0, MB 248.1, MB 248.1 T, MB 248.2, MB 248.2 T, MB 248.3, MB 248.3 T, MB 253.0, MB 253.0 T, MB248.0, MB248.1, MB248.1T, MB248.2, MB248.2T, MB248.3, MB248.3T, MB2480, MB2481, MB2481T, MB2482, MB2482T, MB2483, MB2483T, MB253.0, MB253.0T, MB2530, MB2530T |
| Machine Type | Mowers |
| Fits Brands | Stihl |
| Fits Models | MB 248.3 T | MB 248.0 | MB 248.1 | MB 248.2 | MB 248.3 | MB 248.1 T | MB 248.2 T | MB 253.0 | MB 253.0 T |
Reviews
Ask a Question
Compatibility
Customers also bought
-
![]()
V-belt for Stihl RM 4.0 RTP Lawn Mowers - 6383 704 2110£21.22 £17.68
