- Compatibility Check : Ensure this oil pressure switch fits your vehicle by using the Amazon Fitment Filter and the detailed product description before purchasing. Knowledge of your vehicle’s specifications is essential for optimal performance. - Part Numbers : This product is compatible with multiple part numbers, including D1818A, 12562267, PS391, and PS-303, allowing for seamless integration and easy replacement for various vehicle makes and models. - Essential Function : As a vital component of your engine system, the oil pressure switch monitors and regulates oil pressure, helping to safeguard your engine from potential damage. A malfunctioning oil pressure switch can lead to excessive wear or costly repairs; this product offers a reliable solution. - Durable Warranty : Enjoy peace of mind with a 10-year warranty, demonstrating our commitment to quality and customer satisfaction. You can trust in the longevity and reliability of this oil pressure switch. - Versatile Applications : This oil pressure switch is ideal for regular maintenance or as a replacement part in various scenarios, including: 1. Routine engine inspections to ensure proper oil pressure levels. 2. Repairs following engine performance issues related to oil pressure. 3. Upgrades during custom builds or modifications to enhance engine reliability. Invest in this Oil Pressure Switch to maintain your vehicle's engine performance and ensure its longevity.