This Napa Echlin switch assembly, part number OP6620, is a vintage gem for your Firebird, Cutlass, Ciera, or Grand Am. It comes in a stylish gray color and is designed to control the oil pressure. The switch is waterproof, dustproof, weatherproof, and durable, ensuring that it will last for years to come. This switch assembly is a perfect fit for the front placement on your vehicle and is compatible with various interchange part numbers, including 8M8, 1S6546, PS113, S380, and 8161. It is also compatible with OE/OEM part numbers 25036555, 25502419, 1260636, 25025318, and 25500672. Made in the United States, this switch assembly is a reliable and high-quality choice for your car or truck. Exact item set is shown. New old stock with original packaging. 2 terminal, thread in switch. Made in USA. No returns on installed items or partial sets. Please review our business policies in our store for information regarding returns, shipping and warranties.