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DEI oil filter heat shields, three per pack, are reflective covers sized to trim and fit most oil filters measuring roughly 2.5–3.5 in by 3 in. They block radiant heat that can raise filter and oil temperatures, helping reduce heat soak into the filter. Shields install with peel‑and‑stick adhesive backing and are easy to trim to fit; packs include three one‑time‑use shields to help keep oil cooler under high‑heat conditions.
DEI Oil Filter Heat Shield 2.5in x 3.5in x 3in - 3 Pack
