Oil pressure switch

Genuine Briggs and Stratton 491657S Oil Pressure Switch Replaces # 491657 Fits Many Briggs and Stratton Engine Series 3 – 5 PSI Oil pressure Switch. Activates a warning light if oil pressure drops to an unsafe level. Available For Most V-Twin engines and Opposed Twin II cylinder engines equipped with full pressure lubrication and oil filter. This is a normally closed switch.