The Husqvarna 581721912 Crankcase Assembly is a genuine OEM component designed for the K760II and K760 power cutters. As a factory-original assembly, this part is manufactured to the exact specifications Husqvarna requires for proper engine integrity and structural alignment. This Crankcase Assembly is the correct replacement for operators restoring a K760II or K760 power cutter to full working condition, and cross-reference part number 581721912 against your parts diagram to confirm fitment before ordering. DHS Equipment supplies this part to help keep your equipment running at full capacity.
Key Features
- Genuine OEM Structural Integrity — Cast and machined to Husqvarna's original tolerances, ensuring proper bore alignment, bearing seat dimensions, and sealing surfaces that aftermarket castings may not replicate.
- Direct Assembly Fit — Engineered as a complete assembly replacement that matches the original mounting points, fastener patterns, and internal machining of the K760II and K760 engine.
- Confirmed K760 Series Compatibility — Fits both the K760II and K760 power cutters, covering this core product family with a single verified part number.
- Restored Engine Housing Performance — A sound crankcase maintains proper oil retention, crankshaft support, and cylinder alignment — all critical to consistent power output and smooth operation under load.
- Complete Assembly Unit — Supplied as a full crankcase assembly, reducing the complexity of sourcing individual components and supporting a straightforward engine rebuild or replacement.
The crankcase is the structural core of a two-stroke engine, housing the crankshaft, main bearings, and the lower end of the cylinder. It maintains the sealed environment needed for correct crankcase pressure, which drives the engine's fuel-air induction cycle. When a crankcase is cracked, warped, or damaged at its sealing surfaces, the engine loses compression integrity, leading to hard starting, power loss, excessive vibration, or complete engine failure — making a proper OEM-quality replacement essential for a full and lasting repair.
Part Details
| Part Number | 581721912 |
|---|---|
| Brand | Husqvarna |
| Part Type | Genuine OEM |
| Description | Crankcase Assembly |
Compatibility & Fitment
| Name | Model |
|---|---|
| Power Cutter | K760II |
| Power Cutter | K760 |
Verify Before You Order
Fitment is machine-number and revision-specific; always confirm your model and serial number against the fitment list.
Why Buy From DHS Equipment
Every part is verified against the manufacturer's part number before it ships, so what you order is what arrives. We carry parts from leading OEM brands and our own DHS Quality Parts line of professional aftermarket components. Need help finding the right part? Our team is available to confirm compatibility whenever you need it. Orders are processed fast to keep your jobs on track. We don't just sell parts. We keep you jobsite ready.
Questions? Contact our team at [email protected] or 866-611-9369 — DHS Equipment is here to help you maintain peak performance.
