Product Description

This is a direct-replacement exhaust manifold for the pre-EGR Cummins ISX (CM570 engine control era), part number 3680650, precision-machined to OEM specifications for a proper fit.

  • Fits pre-EGR Cummins ISX engines (CM570 engine management era)
  • Cross-references Cummins OEM part numbers 3680199 (center section) and 3680200 (end sections)
  • Three-piece manifold design: one center section plus two end pieces
  • Helps reduce exhaust leaks and improve engine cooling versus a worn factory manifold
  • Confirm fitment against your engine serial number before ordering

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