<p><strong>Weichai Engine Blocking Plug 1000806721</strong> is supplied for Weichai diesel engine; confirm by engine nameplate, model and part number. This engine sealing or closure component seals or closes a defined oil, coolant, air or machining passage.</p><h2>Product identification</h2><ul><li><strong>Brand:</strong> Weichai</li><li><strong>Part number:</strong> 1000806721</li><li><strong>Application:</strong> Weichai diesel engine; confirm by engine nameplate, model and part number</li><li><strong>Component type:</strong> engine sealing or closure component</li></ul><h2>Function and service notes</h2><p>This component seals or closes a defined oil, coolant, air or machining passage. Correct identification helps prevent mismatches between engine ratings, production revisions and equipment configurations.</p><h2>Fitment verification</h2><p>Confirm dimensions, material, profile, installation location and engine model. Confirm the full engine or equipment nameplate before shipment.</p><h2>Inspection, packing and export</h2><p>Top Run checks visible markings, interfaces and shipment condition before dispatch. Precision parts receive cushioning, machined surfaces receive corrosion protection, electronic items receive anti-static protection, and open ports are sealed.</p><h2>Frequently asked questions</h2><h3>Can a seal or plug be chosen by appearance?</h3><p>No. Small dimensional or material differences can cause leakage or loss of retention.</p><h3>How do I confirm compatibility?</h3><p>Send the engine nameplate, equipment model, original part number, relevant dimensions and clear old-part photos.</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 Weichai engine and part details.</p>