Eberspacher D7W heater glow plug strainer | 251666100001

The Eberspacher D7W glow plug strainer (251666100001) is a simple, essential filter that helps protect the heater’s glow plug from debris and contaminants. Designed for Eberspacher D7W and related models (D7WE, B7W, and associated part numbers), this strainer sits in the glow‑plug path to reduce fouling, promote consistent ignition, and extend the life of the heating unit. Made for reliable performance, it’s easy to install and maintain, providing a quick upgrade to overall heater reliability in cold starts and steady operation. Ideal for marine, automotive, and workshop environments where fuel and water contamination can impact starting performance. Replace periodically to maintain clean airflow, stable combustion, and dependable heating when you need it most.