CONDITION: Open Box. Clean and fully intact. Minor cosmetic marks Shipped within one day of payment. ? DESCRIPTION: For sale is a JEENDA Belt Tensioner, compatible with Cummins 6BT 5.9, ISB 6.7, and QSB 6.7 diesel engines. Unit is in excellent working condition and appears barely used ? no wear on pulley surface, smooth rotation, and no bearing noise. This is a direct replacement for OEM tensioner 5256546, commonly used in medium-duty trucks, industrial equipment, generators, agricultural machinery, and construction equipment powered by Cummins B-series engines. Your item will be well-packed and ships out fast from Portland, Oregon. ? ITEM SPECIFICS: ? Brand: JEENDA ? Model: Belt Tensioner ? OEM Equivalent Part #: 5256546 ? Engine Compatibility: Cummins 6BT 5.9, ISB 6.7, QSB 6.7 ? Type: Automatic Belt Tensioner ? Material: Cast aluminum housing w/ pulley ? Condition: Lightly used ? Fitment: Industrial / Truck / Equipment using B-series Cummins engines ? SHIPPING SELLER INFO: Ships fast ? 1-business-day handling. 30-day returns, USA seller. ? SEARCH KEYWORDS: Cummins 5256546 belt tensioner 6BT 5.9 tensioner ISB 6.7 QSB 6.7 tensioner diesel engine tensioner JEENDA B-series Cummins serpentine tensioner