Description
Overview:
This genuine Husqvarna fuel pump diaphragm is a small, fuel‐resistant membrane used inside the carburettor to regulate and deliver fuel reliably to the engine. Designed for Husqvarna chainsaws and power cutters, it restores consistent fuel flow for smooth starting, steady idling, and clean acceleration. Made from a durable synthetic material suited to petrol and modern ethanol‐blend fuels, it helps prevent hesitation and lean running caused by a tired or hardened diaphragm. Ideal for routine carburettor servicing on models such as the Husqvarna 266 and 281, it maintains performance in demanding forestry, construction, and landscaping work. Built to the original specification, it offers a precise fit and dependable operation as a Genuine Husqvarna part.
Key Features:
- Genuine Husqvarna part for assured compatibility and performance
- Restores correct fuel delivery for easier starting and smoother running
- Fuel‐resistant construction suitable for petrol and ethanol‐blend fuels
- Precision fit to replace worn or damaged diaphragms during carb rebuilds
- Supports stable idle, crisp throttle response, and full‐power cutting
- Durable design for long service life in professional and DIY use
- Helps cure symptoms such as surging, poor priming, and power loss
- Quick to install with standard carburettor service procedures
Typical Applications:
Replacement during carburettor maintenance on Husqvarna chainsaws and power cutters to resolve hard starting, erratic idle, bogging on acceleration, or fuel starvation. Suitable for forestry, arborist work, site cutting, rescue saws, and garden tasks where reliable fuel delivery is essential.
Also known as:
Fuel diaphragm, carburettor pump diaphragm, pump membrane, carb diaphragm, impulse diaphragm, pump‐side diaphragm, carb repair diaphragm, carb service diaphragm, fuel metering pump membrane.
Fits Models:
265RX, 266, 281, 288, 385, 385XP, 395XP, 66, K650 Cut-n-Break, K950, K950 Chain, K950 Rescue, K950 Ring
Alternate Part Numbers:
501 22 12-01, 501221201
Product Specifications
| L&S Part No. | 501 22 12 01 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Husqvarna |
| OEM No. | 501221201 |
| Unit of Sale | 1 |
| Applications | 265RX, 266, 281, 288, 385, 385XP, 395XP, 66, K650 Cut-n-Break, K650Cut-n-Break, K950, K950 Chain, K950 Rescue, K950 Ring, K950Chain |
| Machine Type | Chainsaws, Disc Cutters |
| Fits Brands | Husqvarna |
| Fits Models | K950 | K650 Cut-n-Break | K950 Rescue | K950 Ring | 266 | 281 | 288 | 385 | 385XP | 395XP | 66 | 265RX | K950 Chain |
