<p><strong>Cummins QSM11 Crankshaft Oil Seal 3804304</strong> is supplied for Cummins QSM11 engine. This engine sealing component seals oil, coolant, fuel or combustion-related interfaces at a specific engine location.</p><h2>Product identification</h2><ul><li><strong>Brand:</strong> Cummins</li><li><strong>Part number:</strong> 3804304</li><li><strong>Application:</strong> Cummins QSM11 engine</li><li><strong>Component type:</strong> engine sealing component</li></ul><h2>Function and service notes</h2><p>This component seals oil, coolant, fuel or combustion-related interfaces at a specific engine location. Correct identification helps prevent fitment problems and avoids mixing different Cummins production revisions.</p><h2>Fitment verification</h2><p>Match part number, dimensions, material, lip or profile design, shaft or housing size and installation position. Always confirm the engine nameplate and Cummins CPL before shipment.</p><h2>Inspection, packing and export</h2><p>Top Run checks visible markings, interfaces and shipment condition before dispatch. Precision and electronic parts receive cushioning and moisture protection; machined components receive corrosion protection; seals and gasket kits are bagged to prevent contamination.</p><h2>Frequently asked questions</h2><h3>Can a seal be chosen by appearance alone?</h3><p>No. Small differences in material, dimensions or lip direction can cause leakage or early failure.</p><h3>How do I confirm compatibility?</h3><p>Send the complete engine nameplate, CPL, equipment model, original part number and clear photos of the old component and its mounting position.</p><h3>How is the part packed for export?</h3><p>Packaging is selected according to weight and sensitivity, using labelled bags, cartons, foam cushioning or reinforced plywood cases as required.</p><p>For availability and a confirmed quotation, contact Top Run with your Cummins engine and part details.</p>