Description
Overview:
This genuine Husqvarna screw is a robust steel fastener for walk-behind lawn mowers, used to secure key assemblies subject to vibration and outdoor conditions. It features a UNF 3/8 inch thread (approx. 9.5 mm) with a flanged hex head for firm clamping and even load distribution. Designed for reliable fit on models such as LB 248S and LC 247, it helps keep decks, frames and brackets securely fixed during use. The corrosion-resistant finish supports long service life in wet grass and storage environments. Supplied under MPN 504 45 64-03 (also 504456403), this OEM part matches original specifications to maintain performance, safety and ease of maintenance on compatible Husqvarna machines. Genuine Husqvarna part.
Key Features:
- Genuine Husqvarna OEM fastener for a precise, reliable fit on specified mowers
- UNF 3/8 inch thread (approx. 9.5 mm) for secure, vibration-resistant fastening
- Flanged hex head spreads load and helps prevent pull-through on softer components
- Durable steel construction with corrosion-resistant finish for outdoor use
- Consistent to original spec for correct engagement with existing nuts and threaded holes
- Resists loosening in high-vibration applications typical of petrol lawn mowers
- Easy to fit with standard spanner or socket; no modifications required
- Practical replacement when the original screw is worn, seized, or missing
Typical Applications:
Securing mower deck housings, handlebar brackets, engine plates, drive or transmission covers, and height-adjuster or wheel assemblies on Husqvarna walk‐behind mowers. Useful during blade, belt, or cable servicing where original hardware needs replacement to restore safe, reliable operation.
Also known as:
Hex bolt, flange bolt, hex flange screw, UNF setscrew, fixing bolt, machine screw, hardware fastener.
Fits Models:
LB 248S, LB 253S, LB 348SI, LB 348V, LB 348V Classic, LC 247, LC 247S, LC 247SP, LC 348V, LC 348V Classic, LC 348VI, LC 348VI Classic, LC 353V, LC 353V Classic, LC 353VI, LC 353VI Classic, LC 451S, LC 551SP
Alternate Part Numbers:
504 45 64-03, 504456403
Product Specifications
| L&S Part No. | 504 45 64 03 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Husqvarna |
| OEM No. | 504456403 |
| Unit of Sale | 1 |
| Applications | LB 248S, LB 253S, LB 348SI, LB 348V, LB 348V Classic, LB248S, LB253S, LB348SI, LB348V, LB348VClassic, LC 247, LC 247S, LC 247SP, LC 348V, LC 348V Classic, LC 348VI, LC 348VI Classic, LC 353V, LC 353V Classic, LC 353VI, LC 353VI Classic, LC 451S, LC 551SP, LC247, LC247S, LC247SP, LC348V, LC348VClassic, LC348VI, LC348VIClassic, LC353V, LC353VClassic, LC353VI, LC353VIClassic, LC451 S, LC451S, LC551SP |
| Machine Type | Mowers |
| Fits Brands | Husqvarna |
| Fits Models | LB 248S | LB 253S | LB 348SI | LB 348V Classic | LC 247 | LC 247S | LC 247SP | LC 348V Classic | LC 348VI Classic | LC 353V Classic | LC 353VI Classic | LC 551SP | LC451 S |
