Description
Overview:
This choke control is a Genuine Husqvarna replacement part for selected Jonsered professional chainsaws, including the 625 and 670. Identified by part number 504 84 31-19 (504843119), it is built from durable, wear‐resistant materials to withstand regular use in forestry, arborist, and grounds maintenance work. The control regulates the air-fuel mixture during cold start and warm-up, helping the engine fire promptly and run smoothly as it reaches operating temperature. Engineered to match the original fit and function, it offers a direct swap for a damaged or sticking control, restoring reliable start/stop enrichment without modification. Designed specifically for Jonsered platforms, it supports consistent performance and helps protect the engine from hard starting, flooding, or rough idle in demanding conditions.
Key Features:
- Genuine Part: Husqvarna quality and correct fit for Jonsered 625, 630, 670
- Direct replacement: matches original geometry for straightforward installation
- Helps deliver the right air-fuel mixture for cold starts and warm running
- Robust construction for long service life in tough environments
- Positive, smooth actuation for dependable start/run settings
- Aids easier starting, reduced stalling, and stable idle when correctly adjusted
- Suitable for regular professional or domestic use across seasons
- Supplied as a single control component ready to fit
Typical Applications:
Used to replace a broken, worn, or sticking choke control on Jonsered chainsaws in daily service. Common in forestry, arboriculture, estate management, landscaping, and construction site maintenance. Helps ensure reliable cold starts, quick restarts during stop-start work, and smooth warm‐up in wet, dusty, or cold UK conditions.
Also known as:
Enrichment lever, air shutter control, cold‐start control, mixture control actuator, starter air control, enrichment actuator, start control lever, air metering lever.
Fits Models:
625, 630, 630 SUPER II, 670, 670 CHAMP, 670 SUPER II
Alternate Part Numbers:
504 84 31-19, 504843119
Product Specifications
| L&S Part No. | 504 84 31 19 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Husqvarna |
| OEM No. | 504843119 |
| Unit of Sale | 1 |
| Machine Type | Chainsaws |
| Fits Brands | Husqvarna |
| Key Features | - Genuine Husqvarna part for Jonsered 625, 630, 670 - Direct replacement, matches original geometry - Regulates air-fuel mixture for cold starts - Durable materials for long service life - Positive actuation for reliable start/run settings |

