Description
Overview:
This Screw for Crankcase is a genuine Husqvarna spare part designed to secure crankcase components on selected professional chainsaws, including the 385 and 390XP. Manufactured from strong, wear‐resistant steel with a protective coating, it provides the clamping force needed to keep the crankcase aligned and sealed under vibration and load. A correct, like‐for‐like fastener is important for maintaining engine integrity, reducing the risk of air leaks, and supporting smooth operation. As an OEM component, it matches the original thread form and length used by Husqvarna, helping to ensure consistent torque and reliable service life. Suitable for routine maintenance, repairs, or full engine rebuilds on compatible models, it is a straightforward replacement using standard hand tools.
Key Features:
- Genuine Husqvarna part for assured fit and performance on specified models
- Precision-machined threads for secure engagement in the factory crankcase
- Durable steel with protective finish for corrosion resistance and long service life
- Maintains crankcase alignment and gasket sealing to support smooth running
- Engineered to withstand vibration and thermal cycling when torqued correctly
- Straightforward to fit during routine service, repair, or full rebuilds
- Compatible with a wide range of Husqvarna professional chainsaws
- Cross-references Husqvarna numbers 503 74 93-01 and 503749301
Typical Applications:
Used to replace a worn, missing, or damaged crankcase fastener during service tasks such as resealing the crankcase, replacing bearings or crank seals, or restoring a saw after impact damage. Helps prevent loosening, air leaks, and misalignment that can affect starting, idle quality, and cutting performance on compatible Husqvarna chainsaws.
Also known as:
Crankcase screw, crankcase bolt, engine casing bolt, case screw, housing fastener, chainsaw crankcase fixing, OEM crankcase fastener.
Fits Models:
362XP, 371K, 371XP, 375K, 385, 385XP, 390XP, 394XP, 395XP
Alternate Part Numbers:
503 74 93-01, 503749301
Product Specifications
| L&S Part No. | 503 74 93 01 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Husqvarna |
| OEM No. | 503749301 |
| Unit of Sale | 1 |
| Applications | 362XP, 371K, 371XP, 375K, 385, 385XP, 390XP, 394XP, 395XP |
| Machine Type | Chainsaws |
| Fits Brands | Husqvarna |
| Fits Models | 362XP | 371XP | 385 | 385XP | 390XP | 394XP | 395XP | 371K | 375K |
