China supplier Delong Middle Axle Housing for CZPT Truck Parts Dz9114330879 Dz9114330882 electric rear axle kit

Product Description

Delong Middle Axle Housing for CZPT Truck Parts DZ911433 0571 DZ9114330882


(1) High-quality ductile iron, ZG270-500, cast steel material, toughness and plasticity, high strength and hardness.

(2) Machining by machining center, standard size and stable quality.

(3) Single inspection out of the warehouse to ensure 100% qualified products out of the warehouse.

(4) A number of tests are carried out at the outbound warehouse to ensure the stability of the vehicle loading.


Name total length Center distance Spring distance Remark
Hande Man Middle axle housing 2180MM 1002MM 152*186  




Factory Show

Product role

Vehicle drive axle wheel set, including wheel reducer, brake assembly, wheel hub assembly, steering knuckle, support shaft assembly, wheel drive shaft, upper swing arm coupling assembly, and lower swing arm coupling assembly. The supporting shaft always becomes a hollow shaft, the wheel drive shaft penetrates the inside of the supporting shaft assembly and is connected to the wheel reducer, and the wheel hub assembly is installed on the supporting shaft assembly.

Automobile drive axle function: the drive axle is at the end of the power transmission system. Its basic function is to increase the torque transmitted by the transmission shaft or transmission, and reasonably distribute the power to the left and right drive wheels. In addition, it also bears the vertical, longitudinal and transverse forces acting between the road surface and the frame or body. The drive axle is generally composed of main reducer, differential, wheel transmission device and drive axle housing.

The working principle of the drive axle is at the end of the power train, and its basic functions are:

1.Transmit the engine torque from the universal transmission to the driving wheels through the main reduction tires, differentials, half shafts, etc., so as to reduce the speed and increase the torque;
2.Change the torque transmission direction through the bevel gear pair of the final reducer;
3.The differential function of the wheels on both sides is realized through the differential to ensure that the inner and outer wheels turn at different speeds. The drive axle is a mechanism at the end of the drive train that can change the speed and torque from the transmission and transmit them to the drive wheels. The drive axle is generally composed of a main reducer, a differential, a wheel transmission device and a drive axle housing, and the steering drive axle also has a constant velocity universal joint. In addition, the drive axle has to withstand the vertical force, longitudinal force and lateral force, as well as braking torque and reaction force acting between the road surface and the frame or body.

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Our Exhibitions

ZheJiang Qinyi Auto Parts Manufacturing Co., Ltd. Was established in 2011. We are a heavy-duty truck auto parts professional manufacturer, which integrating research and development, production, assembly line and product sales. The products include SINOTRUK, SHACMAN, Foton, North-Benz(BEIBEN), SAIC Xihu (West Lake) Dis.n, CZPT Xihu (West Lake) Dis., Xihu (West Lake) Dis.feng, CZPT Truck, Volvo,  MAN, DAF, Benz and so on.

Our factory is located in HangZhou, ZheJiang , China. The production workshop covers an area of 3, 200 square meters, the assembly workshop covers an area of 2, 200 square meters, and the warehouse covers an area of 3, 800 square meters. We have a mature production system and product research and development capabilities, rich assembly experience, and advanced testing equipment. Provide you with competitive and high quality products.

Our company based on the enterprise spirit of innovation, development, integrity and hard work, and adheres to the concept of “quality first, craftsmanship spirit, reputation-based, high-quality service”, and has been recognized by many domestic and foreign auto parts dealers, and has reached long-term and stable cooperation with them to achieve mutual support and win-win.

Up to now, we have been pioneering, innovative and enterprising. With good reputation and relying on high-quality products, we will wholeheartedly provide our customers with high-quality services.

Company advantages:

1. Integrating research and development, production, processing, inspection and sales to maintain competitiveness and high quality.

2. We have a professional auto parts service team and rich industry experience to solve difficult problems in the auto parts industry for you.

3. We have brand service and market area protection to ensure the uniqueness and competitiveness of customers selling our company′s products.

4. Regular products have sufficient inventory to ensure accurate and on-time delivery.

5. Precise research and development of customized products, rapid production of finished products, which can greatly save you money, time and energy.

A cooperation, a lifelong friend!

Packaging & Shipping


Dear customer, thank you for choosing our products and purchasing our services. Our logistics department is always focused on the needs and interests of our customers and pays attention to every detail of the packaging and transportation of goods.

In terms of packaging, we carry out multi-layered packaging according to the characteristics of the products and the mode of transportation to ensure that the goods are not subject to crushing, wear and tear, collision and other effects during the transportation process. We also carry out strict acceptance checks on each package to ensure that each product reaches the customer in perfect condition.

In terms of delivery lead time, we always arrange delivery as soon as possible in accordance with the contractual timeframe and the specific requirements of our customers. We work with reputable logistics companies to strike a balance between efficiency and cost to ensure that your goods arrive exactly when promised.

In terms of sea freight moisture treatment, we use the highest quality moisture-proof materials and reinforcements, and use humidity-controlled boxes with adjustable humidity to ensure that our products are not affected by moisture, etc. during sea freight.

We are committed to providing our customers with the most complete logistics services and a meticulous service experience. Thank you for your trust and support. If you have any questions or needs, please feel free to contact us and we will be happy to assist you.


Honor Certificate


Dear customer, thank you for your interest. We are proud to be CZPT to show you our factory certificate, which proves our strict control over the quality of our products and the strict control of our raw materials.

We attach great importance to every step of the production process, from the initial procurement of raw materials, manufacturing, to the packaging and transportation of our products, all of which are operated in strict accordance with international standards. Our production workshops are equipped with modern production facilities and use advanced production technology, and the products we produce are subject to a variety of tests before they leave the factory.

To ensure the stability and consistency of our product quality, we select certified suppliers in the procurement of raw materials and conduct stringent tests on them. Our quality management system covers the entire process of product production, with supporting management processes for all aspects of production plHangZhou, material control, production processes and finished product inspection.

Our efforts have been unanimously recognised by our customers at home and abroad, who are very satisfied with our products, and we have received a number of certifications at home and abroad, proving that we have always had high requirements and strict control over the quality of our products.

We will continue to do our utmost to ensure that every product we produce is of a high standard for our customers and the market, and to maintain a high level of real-time communication and service.

Thank you again for your support and trust! Please feel free to contact us with any needs or questions you may have and we will be happy to assist you.



Q1. Are you a factory or trading company? 

We are a factory integrating research, development, production and sales.

Q2. What are the advantages of your products?
We support product customization to meet customer needs for special products. We can strictly control the products from raw materials to production, processing, product quality inspection, delivery, packaging, etc., and provide customers with high-end products and the most advantageous prices.

Q3. How about products price?
We are a factory, all products are direct sale at factory price. For the same price, we will provide the best quality; for the same quality, we have the most advantageous price.

Q4. What is your terms of packing?
We have branded packaging and neutral packaging, and we can also do what you want with authorization. This is flexible.

Q5. How to guarantee your after-sales service?
Strict inspection during production, Strictly check the products before shipment to ensure our packaging in good condition. Track and receive feedback from customer regularly. Our products warranty is 365 days.
Each product provides quality assurance service. If there is a problem with the product within the warranty period, the customer can negotiate with us in detail about the related claims, and we will do our best to satisfy the customer.

Q6. How can I accurately buy the products I need?
We need accurate product number, If you can’t provide product number, you can send us your product picture, or tell us your truck model, engine name plate, and so on. we will
determine exactly what you need products.

Q7. Do you accept third party inspection?
Yes.we do

Q8. How about your delivery time?
Generally, it will take 3 to 10 days after receiving your advance payment. The specific delivery time depends on the items and the quantity of your order.

Q9. What are your brand agency conditions and advantages?
After we sign an agent in 1 city, we will not sign a second company to protect the agent’s brand advantage and price advantage. And we will help the agent develop customers and solve all kinds of difficult and miscellaneous problems about products.

Q10. What is your terms of payment?
By TT or LC. We’ll show you the photos of the products and packages before you pay the balance.

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After-sales Service: Support
Warranty: 12 Months
Type: Chassis
US$ 726/Piece
1 Piece(Min.Order)


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Return&refunds: You can apply for a refund up to 30 days after receipt of the products.


Can you provide insights into the maintenance of axle bearings for smooth operation?

Maintaining axle bearings is essential for ensuring smooth operation, longevity, and optimal performance of a vehicle’s axle system. Here are some insights into the maintenance of axle bearings:

1. Regular Inspection:

Perform regular visual inspections of the axle bearings to check for any signs of wear, damage, or leaks. Look for indications such as excessive play, unusual noises, vibration, or leakage of grease. Inspections should be carried out as per the manufacturer’s recommended intervals or during routine maintenance checks.

2. Lubrication:

Adequate lubrication is crucial for the smooth operation of axle bearings. Follow the manufacturer’s guidelines for the type of lubricant to use and the recommended intervals for greasing. Over-greasing or under-greasing can lead to bearing damage or failure. Ensure that the proper amount of grease is applied to the bearings, and use a high-quality grease that is compatible with the axle bearing specifications.

3. Seal Inspection and Replacement:

Check the condition of the axle bearing seals regularly. The seals help to keep contaminants out and retain the lubricating grease within the bearing. If the seals are damaged, worn, or show signs of leakage, they should be replaced promptly to prevent dirt, water, or debris from entering the bearing assembly and causing damage.

4. Proper Installation:

During axle bearing replacement or installation, it is crucial to follow proper procedures to ensure correct seating and alignment. Improper installation can lead to premature bearing failure and other issues. Refer to the manufacturer’s instructions or consult a professional mechanic to ensure proper installation techniques are followed.

5. Load Capacity and Alignment:

Ensure that the axle bearings are properly sized and rated to handle the load capacity of the vehicle and the specific application. Overloading the bearings can lead to excessive wear and premature failure. Additionally, proper wheel alignment is important to prevent uneven bearing wear. Regularly check and adjust the wheel alignment if necessary.

6. Environmental Considerations:

Take into account the operating conditions and environment in which the vehicle is used. Extreme temperatures, exposure to water, dirt, or corrosive substances can affect the performance of axle bearings. In such cases, additional preventive measures may be necessary, such as more frequent inspections, cleaning, and lubrication.

7. Professional Maintenance:

If you are unsure about performing maintenance on axle bearings yourself or if you encounter complex issues, it is recommended to seek assistance from a qualified mechanic or technician who has experience with axle systems. They can provide expert advice, perform necessary repairs or replacements, and ensure proper maintenance of the axle bearings.

By following these maintenance insights, you can help ensure the smooth operation, longevity, and reliability of axle bearings, contributing to the overall performance and safety of the vehicle.


What are the symptoms of a failing CV joint, and how does it relate to the axle?

A CV (constant velocity) joint is an essential component of the axle assembly in many vehicles. When a CV joint starts to fail, it can exhibit several symptoms that indicate potential problems. Here’s a detailed explanation of the symptoms of a failing CV joint and its relationship to the axle:

Symptoms of a Failing CV Joint:

1. Clicking or popping sounds: One of the most common signs of a failing CV joint is a clicking or popping sound when making turns. This noise usually occurs during tight turns and may indicate worn-out or damaged CV joint bearings.

2. Grease leakage: A failing CV joint may leak grease, which can be seen as dark-colored grease splattered around the CV joint or on the inside of the wheel. Grease leakage is typically caused by a cracked or damaged CV joint boot, which allows the lubricating grease to escape and contaminants to enter.

3. Excessive vibration: A worn-out CV joint can cause vibrations, especially during acceleration. The vibrations may be felt in the steering wheel, floorboards, or even the entire vehicle. These vibrations can become more noticeable as the CV joint deteriorates further.

4. Difficulty in turning: As the CV joint wears out, it may become difficult to turn the vehicle, especially at low speeds or when making sharp turns. This symptom is often accompanied by a clicking or popping sound.

5. Uneven tire wear: A failing CV joint can lead to uneven tire wear. If the CV joint is damaged or worn, it can cause the axle to wobble or vibrate, resulting in uneven tire tread wear. This can be observed by visually inspecting the tires and noticing uneven patterns of wear.

Relationship to the Axle:

The CV joint is an integral part of the axle assembly. It connects the transmission to the wheels and allows smooth power delivery to the wheels while accommodating the up-and-down motion of the suspension. The axle shaft is responsible for transmitting torque from the transmission to the CV joints and ultimately to the wheels.

Axles contain one or more CV joints, depending on the vehicle’s drivetrain configuration. In front-wheel drive vehicles, each front axle typically has two CV joints, one inner and one outer. Rear-wheel drive and all-wheel drive vehicles may have CV joints on both the front and rear axles.

The CV joint consists of a joint housing, bearings, and internal ball bearings or rollers. It is protected by a rubber or thermoplastic CV joint boot, which seals in the grease and protects the joint from contaminants. When the CV joint fails, it can affect the axle’s ability to transmit power smoothly and result in the symptoms mentioned above.

Regular inspection and maintenance of the CV joint and axle assembly are crucial to identify and address any issues promptly. If any of the symptoms mentioned earlier are observed, it is recommended to have the vehicle inspected by a qualified mechanic to determine the exact cause and perform necessary repairs or replacements.


Can you explain the importance of axle alignment for vehicle stability and handling?

Axle alignment plays a crucial role in ensuring vehicle stability and handling characteristics. Proper alignment of the axles is essential for maintaining optimal tire contact with the road surface, minimizing tire wear, maximizing traction, and promoting safe and predictable handling. Here are the key reasons why axle alignment is important:

  1. Tire Wear and Longevity:
  2. Correct axle alignment helps distribute the vehicle’s weight evenly across all four tires. When the axles are properly aligned, the tires wear evenly, reducing the risk of premature tire wear and extending their lifespan. Misaligned axles can cause uneven tire wear patterns, such as excessive wear on the inner or outer edges of the tires, leading to the need for premature tire replacement.

  3. Optimal Traction:
  4. Proper axle alignment ensures that the tires maintain optimal contact with the road surface. When the axles are aligned correctly, the tires can evenly distribute the driving forces, maximizing traction and grip. This is particularly important during acceleration, braking, and cornering, as proper alignment helps prevent tire slippage and improves overall vehicle stability.

  5. Steering Response and Stability:
  6. Axle alignment directly affects steering response and stability. When the axles are properly aligned, the vehicle responds predictably to driver inputs, providing precise and accurate steering control. Misaligned axles can lead to steering inconsistencies, such as pulling to one side or requiring constant correction, compromising vehicle stability and handling.

  7. Reduced Rolling Resistance:
  8. Proper axle alignment helps reduce rolling resistance, which is the force required to move the vehicle forward. When the axles are aligned correctly, the tires roll smoothly and effortlessly, minimizing energy loss due to friction. This can contribute to improved fuel efficiency and reduced operating costs.

  9. Vehicle Safety:
  10. Correct axle alignment is crucial for ensuring vehicle safety. Misaligned axles can affect the vehicle’s stability, especially during emergency maneuvers or sudden lane changes. Proper alignment helps maintain the intended handling characteristics of the vehicle, reducing the risk of loss of control and improving overall safety.

To achieve proper axle alignment, several key parameters are considered, including camber, toe, and caster angles. Camber refers to the vertical tilt of the wheel when viewed from the front, toe refers to the angle of the wheels in relation to each other when viewed from above, and caster refers to the angle of the steering axis in relation to vertical when viewed from the side. These alignment angles are adjusted to meet the vehicle manufacturer’s specifications and ensure optimal performance.

It’s important to note that factors such as road conditions, driving habits, and vehicle modifications can affect axle alignment over time. Regular maintenance and periodic alignment checks are recommended to ensure that the axles remain properly aligned, promoting vehicle stability, handling, and safety.

China supplier Delong Middle Axle Housing for CZPT Truck Parts Dz9114330879 Dz9114330882   electric rear axle kitChina supplier Delong Middle Axle Housing for CZPT Truck Parts Dz9114330879 Dz9114330882   electric rear axle kit
editor by CX 2024-01-09