Description
Overview:
The Fuel Tank Cap for Briggs & Stratton, OEM No. 596611, is a genuine replacement cap designed to seal the fuel tank on a wide range of Briggs & Stratton small petrol engines. Made from tough, fuel‐resistant plastic in a black finish, it features a round, threaded design with a ribbed outer edge for secure hand tightening. A correct, airtight closure helps reduce fuel evaporation and keeps dirt and moisture out of the tank, supporting reliable starting and smooth running. This cap is suitable for garden and light construction machinery powered by compatible Briggs & Stratton engines, such as walk‐behind lawnmowers, portable generators, pressure washers, rotavators and similar equipment. Genuine status ensures the right fit and performance to keep your machine safe, efficient and ready for work.
Key Features:
- Genuine Briggs & Stratton part for assured compatibility and quality (OEM 596611)
- Durable, fuel‐resistant plastic construction for long service life
- Secure threaded seal helps minimise leaks, evaporation and contamination
- Ribbed/knurled grip for easy fitting and removal by hand
- Designed to cope with outdoor use and changing weather conditions
- Supports dependable engine performance by maintaining proper tank closure
- Direct replacement with no modifications; typically no tools required
- Suitable for many Briggs & Stratton engine‐powered mowers, generators and pressure washers
Typical Applications:
Used as a service replacement when the original cap is damaged, cracked, lost or no longer sealing correctly. Common on domestic and professional equipment driven by Briggs & Stratton petrol engines, including walk‐behind lawnmowers, portable generators, pressure washers, scarifiers, rotavators and similar garden or site machinery where a secure fuel tank closure is essential.
Also known as:
Petrol tank cap, fuel filler cap, tank filler cap, petrol filler lid, engine fuel cap, replacement fuel tank closure for Briggs & Stratton engines.
Alternate Part Numbers:
596611, BS596611
Product Specifications
| L&S Part No. | BS596611 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Briggs & Stratton |
| OEM No. | B596611 |
| Unit of Sale | 1 |
| Machine Type | Engines |
| Key Features | - Genuine Briggs & Stratton part ensures compatibility (OEM 596611) - Fuel-resistant plastic construction for durability - Threaded seal minimises leaks and contamination - Ribbed grip allows easy hand tightening - Fits mowers, generators, and pressure washers with Briggs & Stratton engines |

