Description
Overview:
A genuine Husqvarna sealing (oil/air seal) for petrol chainsaws, designed to keep the engine airtight and leak-free on models such as the 550XP and 455 Rancher. Made from durable, oil- and fuel‐resistant materials, it maintains correct crankcase pressure and helps stop air, fuel, and oil leaks that can affect starting, idling, and power delivery. This OEM component is built for the demands of professional and heavy domestic use, providing a reliable fit and long service life when servicing or rebuilding the saw. Use it to replace worn, hardened, or damaged seals and restore the engine's performance and efficiency to the manufacturer's specification.
Key Features:
- Genuine Husqvarna OEM part for assured compatibility and performance
- Helps maintain crankcase pressure to support smooth starting and stable idle
- Reduces risk of lean running by preventing unmetered air leaks
- Oil, petrol, heat, and vibration resistant for durability in harsh conditions
- Precisely matched to the listed Husqvarna chainsaw models for a secure fit
- Supports engine efficiency, power output, and overall reliability
- Suitable for routine maintenance, rebuilds, or when diagnosing running issues
- Designed for straightforward installation by competent users with standard tools
Typical Applications:
Used during engine maintenance and repairs on Husqvarna chainsaws to replace leaking or aged seals at critical engine interfaces. Common during crankshaft, bearing, top‐end, or clutch/flywheel side services. Helps restore correct fuelling and compression for forestry, arborist, landscaping, hire fleet, and domestic firewood work.
Also known as:
Crankshaft oil seal, crankcase seal, rotary shaft seal, lip seal, engine seal, sealing ring, gasket, chainsaw engine seal.
Fits Models:
455 Rancher, 455 Rancher II, 455E, 455E Rancher II, 465 Rancher II, 465RancherII, 545, 545 Mark II, 545G Mark II, 550XP, 550XP Mark II, 550XPG, 550XPG Mark II, 555, 556, 560XP, 560XP Mark II, 560XPG, 560XPG Mark II, 562XP, 562XP Mark II, 562XPG, 562XPG Mark II, 565, 572XP, 572XPG
Alternate Part Numbers:
525 61 90-01, 525619001
Product Specifications
| L&S Part No. | 525 61 90 01 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Husqvarna |
| OEM No. | 525619001 |
| Unit of Sale | 1 |
| Applications | 455 Rancher, 455 Rancher II, 455E, 455E Rancher II, 465 Rancher II, 465RancherII, 545, 545 Mark II, 545G Mark II, 550XP, 550XP Mark II, 550XPG, 550XPG Mark II, 555, 556, 560XP, 560XP Mark II, 560XPG, 560XPG Mark II, 562XP, 562XP Mark II, 562XPG, 562XPG Mark II, 565, 572XP, 572XPG |
| Machine Type | Chainsaws |
| Fits Brands | Husqvarna |
| Fits Models | 455E RANCHER II | 455 RANCHER II | 465 RANCHER II | 545 | 550XP, 550XPG | 555 | 556 | 560XP, 560XPG | 562XP, 562XPG | 565 | 572XP, 572XPG | 550XP Mark II | 545 Mark II | 545G Mark II | 550XPG Mark II | 560XPG Mark II | 560XP Mark II | 562XPG Mark II | 562XP Mark II |
