Description
Overview:
This genuine Husqvarna carburettor (carburetor) is a direct replacement for brushcutters, engineered to meter the fuel-air mix accurately for smooth starting, clean idling, and strong throttle response. Built with a durable die‐cast alloy body and quality internal diaphragms and jets, it is designed for the demands of two‐stroke petrol engines used in professional and domestic brushcutting. Purpose-made for Husqvarna machines, it restores reliable performance while maintaining compatibility with existing mounts and linkages. Suitable for models including the 343F and 343FR, it replaces MPN 503 28 31-16 for a straightforward fit. As a Genuine Husqvarna part, it matches the original specification to help maximise engine efficiency, reduce stalling, and support consistent cutting performance in grass, weeds, and light scrub.
Key Features:
- Genuine Husqvarna part for assured fit and compatibility
- Direct replacement for OEM MPN 503 28 31-16
- Robust die‐cast alloy construction for long service life
- Precise fuel-air metering to restore power and idle stability
- Suited to two‐stroke brushcutter engines for dependable running
- Helps reduce hard starting, bogging, and flat spots under load
- Compatible with original intake, throttle linkage, and mounting points
- Supplied ready to install to minimise downtime
- Supports efficient fuel use and consistent cutting performance
- Appropriate for routine maintenance or full overhaul of tired units
Typical Applications:
Restoring or maintaining the running quality of Husqvarna brushcutters used for grounds maintenance, landscaping, estate work, roadside verge cutting, forestry thinning, and garden clearance. Ideal when engines are hard to start, won't hold idle, or lack power under throttle.
Also known as:
Brushcutter carburettor, Husqvarna carb, 2‐stroke carburettor, engine fuel metering unit, diaphragm carburettor for brushcutters.
Fits Models:
343F, 343FR, 343FRM, 343R, 345FX, 345FXT, 345R, 345RX
Alternate Part Numbers:
503 28 31-16, 503283116
Product Specifications
| L&S Part No. | 503 28 31 16 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Husqvarna |
| OEM No. | 503283116 |
| Unit of Sale | 1 |
| Machine Type | Brushcutters |
| Fits Brands | Husqvarna |
| Key Features | - Genuine Husqvarna part ensures fit and compatibility - Direct replacement for OEM MPN 503 28 31-16 - Die‐cast alloy body for durability - Precise fuel-air metering for stable performance - Compatible with models 343F, 343FR, 345FX, and more |
| Fits Models | 343F | 343FR | 343R | 345FX | 345FXT | 345R | 345RX | 343FRM |

