This is a brand new Diesel Glow Plug Controller, perfect for your RY-1556. It is designed to ensure that your vehicle's glow plugs perform optimally, and it comes with OE/OEM part numbers 97379635, 68013182AA, 97304030, and A6421531979. The manufacturer part number for this product is RY-1556 and it comes with a quantity of 1. This is a necessary component for your vehicle's starters, alternators, ECUs, and wiring.