Part 3979211, replacing 4898123 and 4898113, is an exhaust manifold for Cummins 6B5.9, ISD6.7, ISB6.7, and QSB6.7 engines. It handles high heat and keeps exhaust flowing efficiently. Made to OEM specifications for accurate fit and durability.

similar parts

    • Fast Delivery

      Fast shipping. Global reach.

    • 30 days return policy

      Order without worry

    • Professional support

      Expert support for every part you need.