<p><strong>Yuchai Wax-Type Thermostat 630-1306004</strong> is supplied for Yuchai diesel engine; confirm by engine nameplate, model and part number. This engine cooling component controls coolant temperature or circulates coolant to keep the engine within its normal operating range.</p><h2>Product identification</h2><ul><li><strong>Brand:</strong> Yuchai</li><li><strong>Part number:</strong> 630-1306004</li><li><strong>Application:</strong> Yuchai diesel engine; confirm by engine nameplate, model and part number</li><li><strong>Component type:</strong> engine cooling component</li></ul><h2>Function and service notes</h2><p>This component controls coolant temperature or circulates coolant to keep the engine within its normal operating range. Correct identification helps avoid fitment problems between different Yuchai engine versions.</p><h2>Fitment verification</h2><p>Match the part number, housing and port layout, impeller or thermostat specification, mounting pattern and engine model. Always confirm the complete engine nameplate and original-part details 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, and seals or gasket kits are bagged against moisture and contamination.</p><h2>Frequently asked questions</h2><h3>What else should be checked during cooling-system repair?</h3><p>Inspect coolant quality, belts, hoses, thermostat seat, radiator condition and mounting surfaces.</p><h3>How do I confirm compatibility?</h3><p>Send the engine nameplate, equipment model, original part number, dimensions where relevant and clear photos of the old component.</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 Yuchai engine and part details.</p>