Cylinder Head Valve Cover — Cast Aluminum Alloy A380 Die Casting Valve Cover for Industrial & Automotive Engines
This cylinder head valve cover is a Kingstream OEM cast aluminum alloy valve cover manufactured by high-pressure die casting for industrial, automotive, turbocharger, boat, valve, and pump engine applications. Material: A380 aluminum alloy with sandblasted surface finish for a uniform, durable appearance. Die casting process with CNC machining for precise bolt hole locations, gasket sealing surface flatness, and oil filler cap threads. No heat treatment required. 100% in-house inspection. 8kg with 50×40×40cm plywood case packaging or standard export packing from Dalian Seaport. Custom OEM, ODM, and OBM manufacturing accepted — supply the drawing, material specification, surface treatment requirements, order quantity, and unit weight for custom quotes. Kingstream OEM quality for industrial engine applications.
INSTALLATION PROCEDURE: Step 1 — Remove any components mounted on the valve cover such as breather hoses, PCV valves, or wiring harness clips. Step 2 — Remove the valve cover bolts in a cross-pattern sequence. Step 3 — Carefully break the gasket seal and remove the old valve cover. Step 4 — Clean the cylinder head gasket surface thoroughly — remove all old gasket material and oil residue. Step 5 — Install a new valve cover gasket onto the cylinder head or valve cover groove. Step 6 — Position the new valve cover and install bolts finger-tight. Step 7 — Torque bolts to specification in a cross-pattern sequence — cast aluminum covers require careful torque to prevent cracking. Step 8 — Reinstall breather hoses, PCV valve, and any accessories. Step 9 — Start the engine and verify no oil leaks at the gasket. Kingstream OEM quality.
SYMPTOMS OF VALVE COVER FAILURE: Oil leaking from the valve cover gasket onto the exhaust manifold (burning oil smell and smoke), cracked valve cover from over-torqued bolts or impact damage, stripped bolt threads in aluminum cover, and oil seepage from breather or PCV grommets. For industrial engine fleet valve cover maintenance, contact us. Kingstream OEM.
Technical Specifications
| Parameter | Value |
|---|---|
| Type | Cylinder Head Valve Cover |
| Material | A380 Cast Aluminum Alloy |
| Process | Die Casting + CNC Machining |
| Surface Treatment | Sandblasting |
| Weight | 8 kg |
| Service | OEM / ODM / OBM Customized |
100% in-house inspection. Kingstream OEM. Contact us.











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