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Differential Housing

OEM Automotive & Precision Machined Parts Supplier Since 1998”

IATF16949 Certified | 1.5M Units Annual Output | Stamping, Machining & Transmission Components”

Product Description

The differential housing is the core support component of the differential, primarily used to hold the internal gear set and withstand the torque and load during transmission. It is typically made of high-strength cast steel or aluminum alloy and manufactured through precision milling, drilling, and heat treatment processes to ensure structural rigidity and dimensional accuracy. The differential housing not only ensures stable gear meshing but also provides support for long-term reliable operation of the differential, while accommodating high-load and high-speed conditions in various automotive and industrial transmission systems.

Parameter

· Material: Alloy steel (e.g., 20CrMnTi, 40Cr, etc.)

·Surface Hardness: HRC58–62

·Gear Type (if integrated with gear set): Spur / Helical

·Accuracy Grade: GB/T 10095 Grade 6 or customer-specified

·Dimensional Tolerance: ±0.01 mm (for critical dimensions)

·Heat Treatment: Carburizing + quenching & tempering or overall quenching & tempering

Manufacturing Process

·Material Selection: Alloy steel, ductile iron

·Process Flow: Casting / forging → precision machining (CNC turning, milling, drilling, tapping) → heat treatment (quenching & tempering, carburizing, nitriding) → surface treatment (shot blasting, coating, anti-rust treatment)

·Quality Control: CMM inspection, hardness testing, non-destructive testing to ensure dimensional accuracy and structural reliability.

Applications

·Passenger vehicles (SUVs, sedans, pickups)

·Commercial vehicles (light, medium, and heavy trucks, buses)

·Construction machinery and agricultural equipment

·Aftermarket differential repair and replacement

Advantage

·High Precision Machining: Critical dimensions controlled within ±0.01 mm for perfect fit with the differential assembly.

·Strength & Durability: Premium materials and advanced heat treatment provide superior impact and fatigue resistance.

·Customization: OEM/ODM service available based on customer drawings or samples.

·Wide Compatibility: Applicable to mainstream vehicle models in Europe, the US, Japan, and China, covering both OEM and aftermarket demands.

·Strict Quality Control: 100% inspected to guarantee safety and reliability.

Certification

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Packing & Shipping

Each unit is individually placed in an anti-static bag, then packed into cartons, and finally secured on wooden pallets for bulk shipments.

Shipping:

Domestic: Delivered via SF Express within 2–3 days, with tracking available.

Export: FOB Ningbo/Shanghai; delivery time 15–20 days by sea, or 3–5 days by air via DHL/FedEx

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After-Sales

24-hour technical support via phone (+86-17681682039) or email ([email protected]). Free replacement for non-conforming products within 30 days of receipt.

FAQ

· Do you supply components to major OEMs and Tier 1 companies?

Yes, we supply components to OEMs such as Chery and Wanliyang.”

·What materials are used in your products?

We use high-quality steel or alloy materials suitable for the specific application.

·Can you customize the products?

Yes, we offer OEM and contract manufacturing to meet your requirements.

·What is the standard delivery time?

Domestic: 2–3 days with tracking.

Export: 15–20 days by sea, 3–5 days by air.

·How are the products packaged?

Each unit is carefully packed, usually with protective bags, cartons, and pallets for bulk orders

·Are your products tested for quality?

Yes, all products undergo strict quality inspection, including dimensional checks and surface treatment verification.

·Do you provide technical support?

Yes, our team can assist with installation guidance, compatibility questions, and process recommendations.

·What is the warranty or service policy?

Standard warranty and after-sales support are provided; details depend on the product type.

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