Custom Aluminum Auto Cooling Pump Housing Casting | OEM Defender Electric Water Pump Project Enquiries
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Model NumberOEMProduct nameCustomized Casting Auto Differential Casting Tail Housing
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ProcessForging / Casting / CNC Machining / CustomizedMaterialAluminum Alloy/ Ductile Iron/ Grey Cast Iron / Cast Steel / Customized
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ToleranceCasting CT12 / Forging CT9 / Stamping CT5 / Machining ± 0.01mmRemarksCustomize according to the samples or drawings or ODM
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PackageWooden case /A Carton / Bulk / Individually Packaged / CustomizedSerivceFreight consulting / Quality inspection / After-sales / Other
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ColorCustomized ColorApplicationAuto Parts
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Weight0.05kg~20kg
The example shows a ribbed round pump-like housing with a central hub, flange, tubular outlet and gasket-like piece. Specify whether the enquiry concerns this housing or a complete electric water-pump assembly.
Define the engine and delivery scope
For a Defender project, provide the exact engine, part reference and interfaces. Identify any required motor, controls, impeller or accessories separately; their inclusion and model compatibility are not established by the housing image.
- Select the housing drawing and engine reference.
- State component or complete-pump delivery scope.
- Specify actual aluminum alloy and casting proposal.
- Dimension hub, sealing face and outlet contacts.
- Agree machining, leakage and applicable duty tests.
Review the cast body and sealing geometry
Include wall sections, machining stock, quantities and coolant exposure. Set final tolerance units and inspection conditions for fitted bores, gasket seats and mounting datums.
Accept the relevant component or assembly
Voltage, flow, pressure and endurance criteria require appropriate specifications and test records. Appearance and generic cooling claims do not establish complete-pump performance, OEM approval or interchangeability across Defender engines.

Discover premium OEM electric water pumps designed for Defender engines, expertly manufactured by our factory using advanced aluminum casting techniques. This product ensures reliable cooling performance for automotive applications, combining high efficiency with durability to keep your engine operating smoothly.

Our electric water pumps are custom-made to meet specific client requirements, whether based on supplied samples, technical drawings, or ODM orders. We offer a selection of materials including aluminum alloy, ductile iron, grey cast iron, and cast steel, tailoring construction and tolerance standards to fit your needs. Each part undergoes strict quality inspection for maximum performance.

The production process includes forging, casting, CNC machining, and further customization options. Every item is available in customized colors and weights ranging from 0.05kg to 20kg, and can be packaged in wooden cases, cartons, bulk shipments, or individual packs according to your preferences.

As a reliable B2B supplier and factory, we provide comprehensive services such as freight consulting, after-sales support, and professional quality assurance. Suitable for various automotive cooling parts, our OEM electric water pumps will enhance the efficiency and lifespan of Defender engines and other vehicles needing specialized cooling systems.
