Description
Overview:
This Genuine Husqvarna carburettor is a direct replacement for selected heavy‐duty disc cutters, including the 3120K and K1250. Built with a robust metal alloy body and fuel‐resistant components, it meters and mixes fuel and air accurately for reliable starting, steady idle, and full cutting power under load. It is designed specifically for high‐performance 2‐stroke engines used in demanding construction and industrial environments. Supplied to the correct specification for the listed machines, it helps restore engine efficiency when the original unit is worn, blocked, or damaged. OEM reference 503 28 12 70 (replaces 503 28 12 17) ensures the correct fit and function, maintaining output, throttle response, and fuel economy while reducing downtime on site.
Key Features:
- Genuine Husqvarna part for assured fit, performance, and longevity
- Precise fuel-air metering for stable idle and consistent cutting power
- Durable construction to withstand dust, vibration, and site conditions
- Direct replacement with correct mounting points and connections
- Helps improve starting, acceleration, and overall engine efficiency
- Supports proper tuning for cleaner running and reduced plug fouling
- Replaces previous OEM 503 28 12 17 to current OEM 503 28 12 70
- Suited to high‐capacity disc cutters used in construction and rail work
Typical Applications:
For restoring performance on pro and site disc cutters used to cut concrete, stone, masonry, asphalt, and steel sections. Ideal for routine overhaul when engines are hard to start, will not hold tune, surge at idle, or lose power under load. Suitable for equipment used in building, demolition, roadworks, utilities, and rail maintenance.
Also known as:
Carb, carburetor, carburettor assembly, fuel mixer, fuel-air mixer, engine mixer unit, replacement carb for Husqvarna disc cutters.
Fits Models:
3120K, 3122K, K1250, K1250 Active, K1250 Rail, K1260, K1260 Rail
Alternate Part Numbers:
503 28 12-70, 503 28 12-17, 503281217, 503281270
Product Specifications
| L&S Part No. | 503 28 12 70 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Husqvarna |
| OEM No. | 503281270 |
| Unit of Sale | 1 |
| Applications | 3120K, 3122K, K1250, K1250 Active, K1250 Rail, K1250Active, K1250Rail, K1260, K1260 Rail, K1260Rail |
| Machine Type | Disc Cutters |
| Fits Brands | Husqvarna |
| Fits Models | K1250 | K1260 | 3122K | K1250 Active | K1250 Rail | K1260 Rail | 3120K |
