Description
Overview:
This Genuine Briggs & Stratton cylinder head gasket (OEM No. 271866S) is a precision-cut sealing component for small petrol engines used in garden and light construction machinery. Made from high-temperature composite gasket material with a reinforced combustion seal, it sits between the cylinder head and engine block to maintain compression and prevent oil and gas leaks. It helps restore reliable starting, steady power, and clean running after head removal or routine overhaul. Purpose-built for a wide range of Briggs & Stratton engines, including models 220416 and 220431, it is suitable for equipment such as lawn tractors, ride-ons, mowers, generators, tillers, and pumps where dependable sealing under heat and vibration is essential.
Key Features:
- Genuine Briggs & Stratton part for assured fit and performance (OEM 271866S)
- Accurate dimensions for clean seating and consistent compression
- High-temperature composite material resists blow-by and fretting
- Reinforced combustion sealing ring for durable leak prevention
- Helps restore power, fuel efficiency, and smooth running
- Stable under thermal cycling and vibration in heavy use
- Compatible with a wide range of classic B&S single-cylinder engines
- Straightforward to fit when servicing the head and valves
Typical Applications:
Engine rebuilds, head removals for decoking or valve work, and routine maintenance on Briggs & Stratton-powered lawn tractors, ride-on mowers, stationary generators, pressure washers, rotavators, and similar equipment where a reliable head-to-block seal is required.
Also known as:
Cylinder head gasket, head gasket, engine head gasket, top-end gasket for Briggs & Stratton single-cylinder engines.
Fits Models:
08799, 1691539, 1691638, 1691639, 1691640, 1691658, 1692129, 220416, 220431, 220432, 220435, 220437, 220702, 220705, 220706, 220707, 221431, 221432, 221433, 221435, 221436, 221437, 221452, 221457, 222412, 222413, 222416, 222417, 222496, 226432, 226437, 226452, 226457, 250412, 250417, 2512G, 2512H, 251411, 251412, 251415, 251416, 251417, 2516H, 251702, 251705, 251707, 252411, 252412, 252413, 252415, 252416, 252417, 252702, 252707, 253702, 253703, 253706, 253707, 254412, 254415, 254416, 254417, 254421, 254422, 254425, 254426, 254427, 254702, 254707, 255702, 255707, 256412, 256417, 256422, 256426, 256427, 256452, 256457, 256702, 256705, 256707, 257412, 257417, 257702, 257705, 257707, 258702, 258707, 259702, 259707, 2616H, 280702, 280707, 281702, 281706, 281707, 282707, 283702, 283707, 284702, 284707, 284777, 285707, 286702, 286707, 288702, 288707, 289702, 289707
Alternate Part Numbers:
271866S, BS271866S
Product Specifications
| L&S Part No. | BS271866S |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Briggs & Stratton |
| OEM No. | B271866S |
| Unit of Sale | 1 |
| Fits Brands | Briggs & Stratton |
| Key Features | - Genuine Briggs & Stratton part, OEM No. 271866S - High-temperature composite material resists blow-by - Reinforced combustion sealing ring prevents leaks - Compatible with many Briggs & Stratton engine models - Suitable for lawn tractors, mowers, and generators |
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