5The RYOBI 2-Cycle Spark Plug is a high-quality replacement part designed for Homelite and RYOBI string trimmers and weed trimmers. This spark plug, with manufacturer part number AC00160A, does not require any assembly and comes in a pack of 1. Compatible with various outdoor power equipment, this product is essential for maintaining your yard, garden, and outdoor living spaces in optimal condition. Trust in the RYOBI brand for reliable and durable gardening tools and accessories.