Description
Overview:
The Briggs & Stratton Switch-Oil Pressure (part number 821135) is a genuine replacement switch that monitors engine oil pressure and helps protect against damage caused by low lubrication. Built with a durable metal body and a sealed electrical interface, it is designed to cope with heat, vibration and oil exposure in everyday use. The switch works with the engine's warning or shutdown circuit to signal low oil pressure and prevent costly failures. Suitable for a wide range of Briggs & Stratton powered equipment, including lawn mowers, generators, water pumps and light construction machinery, this OEM component restores correct monitoring when the original switch is worn or faulty. As a genuine Briggs & Stratton part, it offers straightforward fitment and dependable performance for ongoing engine protection.
Key Features:
- Genuine Briggs & Stratton OEM oil pressure switch (821135) for assured fit and function
- Monitors oil pressure and supports warning/shutdown circuits to help prevent engine damage
- Robust metal construction with sealed internals for resistance to oil, heat and vibration
- Direct replacement for the original switch, minimising downtime and setup issues
- Single-circuit design for straightforward wiring and reliable connectivity
- Stable performance across common garden and construction environments
- Helps maintain engine health and prolong service life with consistent pressure monitoring
- Suitable for use across many Briggs & Stratton engine platforms found in mowers and generators
Typical Applications:
Used on Briggs & Stratton engines fitted to walk‐behind and ride‐on lawn mowers, portable and standby generators, water pumps, small plate compactors, tillers, and chipper shredders. Ideal when troubleshooting intermittent oil warning lights, replacing a damaged switch, or reinstating automatic low‐oil shutdown functions after servicing.
Also known as:
Oil pressure sender, low oil shutdown switch, engine oil warning switch, oil pressure cutoff switch, oil pressure safety switch, pressure‐activated oil cut‐out, engine lubrication pressure switch, oil pressure sensor unit.
Alternate Part Numbers:
821135, BS821135
Product Specifications
| L&S Part No. | BS821135 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Briggs & Stratton |
| OEM No. | BS821135 |
| Unit of Sale | 1 |
| Machine Type | Engines |
| Key Features | - Genuine Briggs & Stratton OEM oil pressure switch (821135) - Monitors oil pressure, supports warning/shutdown circuits - Durable metal body, sealed against oil, heat, vibration - Direct replacement for original switch, minimises downtime - Compatible with mowers, generators, pumps, construction machinery |
