Description
Overview:
The Worm Wheel 3/8 for Husqvarna chainsaws is a genuine Husqvarna drive gear that transmits motion to the automatic chain oil pump, helping to keep the bar and chain correctly lubricated. Built from a durable polymer with a metal inner sleeve for strength at the drive interface, it is engineered for long service in demanding cutting conditions. The 3/8 in (9.5 mm) specification matches chains running a 3/8 pitch system. Designed to fit precisely on compatible Husqvarna saws, it supports smooth operation and consistent oil delivery. Ideal for routine maintenance or restoring a worn drive, it is a reliable choice for models such as the Husqvarna 556 and 562XP, ensuring dependable performance for professional and DIY users alike.
Key Features:
- Genuine Husqvarna part for assured fit and performance on listed models
- Precision-made 3/8 in (9.5 mm) worm drive for correct oil pump engagement
- Hard-wearing polymer gear with a metal hub for improved durability and load handling
- Smooth, consistent drive to the oil pump helps protect bar and chain from premature wear
- Straightforward installation with standard hand tools to minimise downtime
- Stable running at high RPM typical of professional saws
- Designed to integrate cleanly with the clutch-side drive system without modification
- Supports efficient lubrication across varied timber types and temperatures
- Suited to preventative maintenance schedules to reduce unexpected failures
Typical Applications:
Used as the oil pump drive gear on Husqvarna professional mid-size chainsaws. Commonly fitted during service to restore reliable chain lubrication when oil feed becomes intermittent, the original gear shows wear, or after clutch and drum work. Suitable for forestry, arborist, landscaping, and firewood tasks where consistent bar and chain oiling is essential.
Also known as:
Chainsaw worm gear, oil pump worm, oiler drive gear, pump drive gear, oil pump drive worm, lubrication drive gear, worm wheel drive, clutch-side worm.
Fits Models:
556, 562XP, 562XP Mark II, 562XPG, 562XPG Mark II, 562XPGW, 562XPW
Alternate Part Numbers:
586 20 46-01, 586 20 46 01, 586204601
Product Specifications
| L&S Part No. | 586 20 46 01 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Husqvarna |
| OEM No. | 586204601 |
| Unit of Sale | 1 |
| Machine Type | Chainsaws |
| Fits Brands | Husqvarna |
| Key Features | - Genuine Husqvarna part ensures fit on listed models - 3/8 in (9.5 mm) worm drive for oil pump - Durable polymer gear with metal hub for strength - Fits Husqvarna 556, 562XP, and related models - Easy installation with standard hand tools |
| Fits Models | 562XP, 562XPG | 562XPG Mark II | 562XP Mark II |
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