Caterpillar 326-3278 Filter Base for C6.6 - Used

Application: Caterpillar 326-3278 filter base, commonly used on CAT C6.6 and related industrial/marine engine platforms. Cast aluminum housing, Made in Germany, with two large threaded filter ports and integrated mounting bosses. Condition: Used take-off in serviceable cosmetic condition — casting intact, threads appear clean, light surface oxidation and shop soil from prior service. Base only; no filter, fittings, or sensors included. Buyer must confirm fitment by part number, photos, dimensions, engine model, serial number, and application before purchase. Used marine part sold as-is unless otherwise stated. No returns on electrical, used, special-order, or installed parts.