Losier, as a supplier and manufacturer from China, professionslly produces the Precision Machined Corrosion-Resistant A356 Gravity Metal Mold Aluminum Die Casting Thermostat Housing Replacement Accessory. This component combines A356-T6 alloy, gravity permanent mold casting, and precision CNC machining for engine cooling systems. High strength, corrosion resistance, pressure tightness, and lightweight construction make it suitable for OEM and aftermarket thermostat housing replacements.
The Precision Machined Corrosion-Resistant A356 Gravity Metal Mold Aluminum Die Casting Thermostat Housing Replacement Accessory manufactured by Losier is designed for engine cooling system components that require dimensional precision and pressure sealing. A356-T6 delivers excellent elongation and thermal fatigue resistance under cyclic heat stress. Gravity metal mold casting provides stable dimensions and a smooth as-cast surface. Post-casting CNC machining achieves tight tolerances on sealing faces and bolt holes.
A356-T6 offers 4–10% elongation and high thermal fatigue resistance, making it the industry standard for components that experience repeated heat cycles. The alloy provides good corrosion resistance against engine coolant and road salts. T6 heat treatment (solution + artificial aging) enhances tensile strength to approximately 30 ksi (205 MPa) while maintaining ductility. These properties prevent cracking during thermal expansion and contraction, ensuring long-term sealing performance.
Corrosion resistance
The Precision Machined Corrosion-Resistant A356 Gravity Metal Mold Aluminum Die Casting Thermostat Housing Replacement Accessory can withstand exposure to engine coolant, antifreeze, and road salts without degradation.
Pressure tightness
Gravity casting produces dense microstructures with minimal porosity, essential for coolant system sealing.
Dimensional precision
CNC machining achieves ±0.05 mm or better on gasket faces, flange surfaces, and threaded holes.
Heat cycle durability
A356-T6 handles repeated thermal stress from engine warm-up and cool-down without cracking.
Lightweight construction
Aluminum casting reduces weight compared to iron or steel housings, improving fuel efficiency.
| Comparison | A356 | A380 |
|---|---|---|
| Best process | Gravity casting / low pressure | High pressure die casting |
| T6 heat treatment | Applicable, significant property improvement | Not recommended (blistering at high temperature) |
| Elongation | 4–10% | 1–3% |
| Corrosion resistance | Excellent | Good |
| Thin wall capability | Medium | Excellent |
| Typical applications | Structural parts, housings, pump bodies | Thin-wall complex parts, electronic enclosures |
Gravity metal mold casting (also called permanent mold casting) pours molten A356 aluminum into a reusable metal mold. Metal fills the cavity by gravity only, without high pressure or vacuum. The metal mold extracts heat quickly, producing refined grain structure and low porosity.
Process features
Reusable mold: One tool produces thousands to tens of thousands of castings.
Gravity filling: Molten metal flows smoothly, reducing gas entrapment.
Chill effect : Metal mold accelerates cooling, refining grain structure.
Dimensional stability: Rigid mold maintains consistent cavity geometry.
CNC machining centers 30+ units including vertical machining centers, CNC lathes, milling machines, and grinders. Achieves ±0.01 mm precision for sealing faces, bores, and threaded features.
Heat treatment line Quenching furnaces, tempering furnaces, annealing furnaces, carburizing and nitriding equipment. Full T6 heat treatment (solution + aging) for A356 castings.
Surface finishing Sandblasting, polishing, and coating lines for corrosion protection and appearance.
Secondary processes Welding, laser cutting, and stamping available for complex assemblies.
Losier provides one-stop service from product development through production and after-sales support. Every Precision Machined Corrosion-Resistant A356 Gravity Metal Mold Aluminum Die Casting Thermostat Housing Replacement Accessory is produced with integrated quality control across casting, heat treatment, machining, and inspection.
| Raw materials | Iron, aluminum, steel, copper, plastic, carbon steel, nylon, bronze, zinc alloy, stainless steel or as per your requirements |
| Technology | Mold/sand mold/gravity/low pressure die casting/precision investment casting, CNC machining parts |
| Manufacturing process | Process/secondary processing/surface finish |
| Surface treatment | Polishing, sandblasting, heat treatment, painting, powder coating |
| Heat treatment | Quenching, tempering, annealing, normalizing, nitriding, carburizing |
| Processing equipment | CNC machine tools, lathes, dryers, milling machines, grinders, etc. |
| Measuring tools | Three-coordinate measuring machines, projectors, Vermeer calipers, depth calipers, micrometers, pin gauges, thread gauges, height gauges, etc. |
| Application | Communication equipment/mechanical equipment/auto parts/automation machines/medical equipment/industrial machines/automobiles/electrical appliances/and other industries, etc. |
| Tolerance | 0.01mm |
| Weight | 0.01-100kg |
| OEM service scope | OEM/ODM |
| Drawing format | Step, IGS, Step, IGS, X_T, DWG, PDF |
| Packaging | Plywood or wooden box (as per customer requirements) |
