Exhaust Manifold 3901919 for Cummins Engine 4B3.9 6B5.9 6C8.3 B4.5 ISB ISBE QSB3.9 QSB4.5 Cummins 4BT Easy Assembly: Installation is straightforward
Size & fit on this sheet — checkout stays in the sticky dock.
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Ships within 48 hours · Estimated delivery Sep 10 - Sep 15