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We offer a complete portfolio of die cast components tailored for engine oil systems, covering all core parts you need:
Automotive Engine Oil Pump Housing
Engine Oil Pump Housing Assembly
Electric Oil Pump Components
Engine Oil Pump Cover
These parts are engineered to integrate seamlessly with engine lubrication systems, supporting stable oil flow, pressure regulation, and long-term protection for gasoline, diesel, and hybrid/electric vehicle powertrains.
Our components are produced using advanced high-pressure die casting technology, with strict quality control at every stage:
Dimensional accuracy up to CT3–CT6 tolerance grades, ensuring perfect fit with engine assemblies
Surface roughness controlled at Ra 0.8–3.2 μm, reducing friction and wear during operation
Made from high-grade aluminum alloys, offering excellent strength, corrosion resistance, and thermal conductivity
All products undergo material testing, dimensional inspection, and performance validation to meet international automotive standards
Reliable Engine Protection: Designed to withstand high engine temperatures and pressure, ensuring consistent oil circulation and lubrication for critical engine components.
Lightweight & Efficient: Aluminum alloy construction reduces overall vehicle weight, supporting fuel efficiency and emissions reduction goals.
Full Customization Support: We provide tailored solutions, including custom mold design, CNC machining, and surface treatments (polishing, plating, anodizing) based on your drawings or samples.
Cost-Effective Mass Production: High-volume die casting ensures competitive pricing without compromising quality, ideal for both standard replacement parts and custom new-energy vehicle applications.
These components are suitable for passenger cars, light commercial vehicles, heavy-duty trucks, and special-purpose vehicles, supporting oil circulation, lubrication, and cooling functions in various engine systems. Whether you need standard parts for mass production or custom components for prototype development, we can deliver solutions to match your requirements.
The structural integrity of an automotive powertrain relies heavily on the continuous, precise flow of lubrication. Our Engine Oil System Die Casting Components are meticulously crafted to house, protect, and facilitate this vital fluid circulation. When you handle these components, the smooth, flawlessly machined surfaces and the robust, lightweight aluminum architecture immediately communicate industrial-grade reliability. Designed to endure the extreme thermal volatility and relentless pressure cycles of modern combustion and electrified powertrains, these housings and covers prevent catastrophic engine failure by ensuring uninterrupted oil delivery. The sleek metallic finish not only looks professional but serves a crucial functional purpose, minimizing internal friction and maximizing the volumetric efficiency of the oil pump. By integrating these precision-cast components into your assembly lines, you secure a tangible reduction in warranty claims and mechanical breakdowns. Every contour and mounting point is engineered to align seamlessly with complex engine blocks, eliminating assembly line bottlenecks and ensuring a perfect, leak-free seal right out of the box.
Product Name | Engine Oil System Die Casting Components |
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Product Series | Automotive Engine Oil Pump Housing, Engine Oil Pump Housing Assembly, Electric Oil Pump Components, Engine Oil Pump Cover |
Core Material | High-Grade Aluminum Alloys (ADC12, A380, A356, etc.) |
Die Casting Process | High-Pressure Die Casting |
Machining Process | CNC Machining |
Dimensional Tolerance | CT3 - CT6 Grades |
Surface Roughness | Ra 0.8 - 3.2 μm |
Surface Treatment | Polishing, Plating, Anodizing, Sand Blasting, Spray Coating |
Customization Services | OEM/ODM, Custom mold design, 3D/2D drawing or sample processing |
Applications | Passenger cars, Light commercial vehicles, Heavy-duty trucks, Hybrid/electric vehicles |
Quality Certification | Compliant with international automotive standards (ISO 9001, IATF 16949) |
Selecting the right manufacturing partner is a critical strategic decision that impacts your assembly lines, warranty costs, and brand reputation. We bring decades of specialized expertise in automotive aluminum die casting, positioning ourselves not just as a vendor, but as a dedicated stakeholder in your success.
Unwavering Consistency: Our automated facilities ensure that the ten-thousandth part is identical to the first, eliminating assembly line bottlenecks.
Engineering Pedigree: Our technical teams possess deep knowledge of automotive fluid dynamics, allowing us to proactively suggest design optimizations that improve pump efficiency.
Global Supply Chain Reliability: We maintain robust logistics networks and strategic buffer inventories to guarantee on-time delivery, regardless of global disruptions.
Certified Excellence: Operating strictly under ISO 9001 and IATF 16949 frameworks, every process is documented, traceable, and continuously improved.
Responsive Communication: We prioritize transparent, rapid responses to all technical inquiries, project updates, and design revisions.
Find answers to common technical inquiries regarding our die-cast oil system components below.
How do you verify the internal structural integrity of the oil pump housings?
We employ advanced X-ray non-destructive testing to scan the internal cross-sections of our castings. This ensures there are no hidden micro-porosities, shrinkage cavities, or inclusions that could compromise the housing under high oil pressure.
Can these die-cast components handle the specific synthetic oils used in modern hybrid vehicles?
Absolutely. The high-grade aluminum alloys we use, combined with customized surface treatments like anodizing, provide exceptional chemical resistance. They will not degrade or react with advanced synthetic lubricants or cooling fluids used in New Energy Vehicles (NEVs).
What is the typical lead time for developing a custom engine oil pump cover from a 3D CAD model?
For customized projects, initial mold design and tooling typically take between 3 to 5 weeks. Following tooling approval, we can produce and deliver first-article inspection (FAI) samples within 1 to 2 weeks for your engineering team to validate.
How do you ensure the mating surfaces of the pump assembly achieve a leak-proof seal?
We utilize multi-axis CNC machining centers to mill the mating flanges to extremely tight tolerances (CT3-CT6) and a surface roughness of Ra 0.8 to 3.2 μm. Additionally, every unit undergoes rigorous pneumatic leak testing before packaging.
Do you provide material certification for the aluminum alloys used in production?
Yes. Every production batch is accompanied by comprehensive material test reports (MTRs) generated via optical emission spectrometry. This guarantees the chemical composition exactly matches the required specifications for ADC12, A380, or A356 alloys.
