China Professional Factory 24/35 Rear-Axle-Differential CZPT Wheel&Pinion Cwp Gear for CZPT Truck-Spare-Parts 42129201/42104455/42487941 worm gear motor

Product Description

Factory 24/35 Rear-Axle Differential CHINAMFG Wheel&Pinion CWP Gear For CHINAMFG Truck-Spare-Parts 42129201/42104455/42487941


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No. OEM Number Parts Name
1 42127913
2 42157142 Planet/SATELLITE GEAR
4 42157191
5 42157109 INPUT SHAFT
6 42157146 THRUST WASHER
7 42101751 THRUST WASHER
8 42101765 WASHER
9 42119540 WASHER
10 42157147 WASHER
11 42119547 ECCENTRIC
12 42157108 Bush
13 42157112 NUT
14 421 RING
16 42157188 SPUR GEAR 41 T
17 42119546 Differential Side Gear
20 42064799 Sun Gear
21 42064798 Planet Gear
22 42064785 Planet Gear Pin
23 42118227 Wheel Reducer housing
24   Wheel Reducer Assembly
25 42118098
Axle Shaft
26 42118096
Axle Shaft
27 42118097
Axle Shaft
28 42118099
Axle Shaft
29 121CM Axle Shaft
30   Inter-axle Differential Assembly
31   Inter-wheel Differential Assembly
32 420648/ Side Gear
6 653353571 Spider Shaft
7 6533539750 Inter-axle Differential Washer Repair Kit
8 355355719 21/28 Middle Axle CHINAMFG Wheel and Pinion
9 3553530408 Differential Front Cover
10 3553504603 Middle Axle Main Reducer Housing
11 3553535717 Differential Front Cover
12 3553570801/355357 0571 Axle Shaft
13 355353 Rear Axle Differential Gear Repair Kit With Washer
19 355353571/ Rear Axle Side Gear
20 3553530614 Planet Gear 10 Teeth
21 3553530620 Rear Axle Spider Shaft
22 366353 Nut
24 29/17 CHINAMFG Wheel and Pinion
25 29/17 CHINAMFG Wheel and Pinion
26 Steering Knuckle Assmmbly

No. OEM Number Parts Name
1 346353571/
346353 0571
Input Shaft
2 387586 Rear Axle Washer Repair Kit
3 3463531115 Side Gear
4 3463530307 Differential Front Cover
5 3463530385/ Driving Gear
6 3463561415/346356571 Thrust Ring 145*115*32
7 346350 0571 /3463557127 Inter-axle Differential Housing
8 3433557123/0723/0823 Inter-axle Differential Repair Kit
9 385351571 Nut
10 346353 0571 Rear Axle Differential Housing
22 346355713 Rear Axle Differential Assembly
23 3463557139 15/29 Rear Axle CHINAMFG Wheel and Pinion
24 346355719 21/28 CHINAMFG Wheel and Pinion
25 346353571 Drive Shaft
26 3463500609 Wheel Reducer Housing
27 346354571 Sun Gear 19 Teeth
28 346353571 Side Gear
29 3433557123 Inter-axle Differential Assembly



(1) Mating parts with stable and reliable quality.
(2) Assemble the Differential Assembly through the assembly line, and inspect each product on delivery.
(3) Uniform coding and clear drawing number identification to improve the trace ability of differential assembly.
(4) The unified brand carton, inner bag and integral foam packaging, which is strong and beautiful.
(5) The input shaft is made of 42Crmo material, which has higher toughness and higher fatigue resistance.
(6) The original gasket 20# plate used for the differential assembly is subject to soft nitriding treatment, with a hardened layer depth of 0.15 ~ 0.3 and a hardness of HV395-535. The differential planetary gasket has a full radian, which has stronger wear resistance.
(7) The composite material copper sleeve protects the gear and cross shaft more effectively, and effectively prevents the gear from burning.
(8) The original nut is used, and the thread has stronger hardness. Anaerobic thread-locking adhesive is applied to prevent the nut from falling off.
(9) The differential cross shaft adopts 22CrMnMo mechanical strength, which better strengthens the fatigue resistance of the cross shaft, and the plane structure of the shaft body makes the lubricating oil smoother.


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More Products

Truck Model Sinotruk, Shacman, CHINAMFG Auman, CHINAMFG Xihu (West Lake) Dis., Xihu (West Lake) Dis.feng, Xihu (West Lake) Dis.feng Liuqi Balong, North BENZ( BEIBEN), C&C, JAC, etc.
Product catalogue Axle Wheel Assembly
Differential Assembly
Main Reducer Assembly
Inner Ring Gear& Bracket
Basin Angle Gear/ Bevel Gear
Axle Shaft/ Half Shaft & Through Shaft
Axle Housing& Axle Assembly
Steering knuckle & Front Axle
Brake Drum& Wheel Hub
Main Reducer Housing
Oil Seal Seat
Nut& Shim Series
Brake Backing Plate
Chassis Support Products Leaf Spring Bracket
Drop Arm Series
Bracket Series
Leaf Spring Shackle Series
Balanced Suspension Series Balance Shaft Assembly
Balance Shaft Housing
Axle Spring Seat
Thrust Rod
Balance Shaft Parts
Shock Absorber Series Shock Absorber
Shock Absorbing Airbag
Steering System Power Steering Pump
Power Steering Gear
Rubber Products Oil Seal
Rubber Support
Thrust Rod Rubber Core
Truck Belt
Engine support
Clutch Series Clutch Pressure Plate
Clutch Disc
Flywheel Assembly
Flywheel Ring Gear
Adjusting Arm Series  

Packaging & Shipping


Q1. 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.

Q2. 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.

Q3. 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.

Q4. Do you accept third party inspection?
Yes.we do

Q5. 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.

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After-sales Service: Support
Warranty: 12 Months
Type: Truck Axle Parts
US$ 100/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.

differential gear

How do you maintain and service a differential gear?

Maintaining and servicing a differential gear is crucial to ensure its optimal performance and longevity. Here’s a detailed explanation of the maintenance and servicing process:

1. Regular Inspection:

Perform regular visual inspections of the differential gear to check for any signs of damage, leaks, or excessive wear. Look for oil leaks around the differential housing and inspect the driveshaft, axles, and seals for any signs of damage or leakage. Additionally, listen for any abnormal noises coming from the differential during operation, as they may indicate underlying issues.

2. Fluid Change:

Regularly change the differential fluid as recommended by the vehicle manufacturer. Over time, the fluid can become contaminated with debris, moisture, and metal particles, which can cause accelerated wear and reduced performance. Changing the fluid helps maintain proper lubrication and cooling of the differential gears. Refer to the vehicle’s owner manual or service guide for the recommended fluid type and change intervals.

3. Fluid Level Check:

Check the fluid level in the differential regularly to ensure it is within the recommended range. Use the appropriate method specified by the vehicle manufacturer to check the fluid level, such as a dipstick or inspection plug. Maintaining the correct fluid level is essential for proper lubrication and cooling of the gears.

4. Seal Replacement:

If you notice any leaks or damaged seals, it is important to replace them promptly. Leaking seals can lead to fluid loss, which can cause inadequate lubrication and potential damage to the differential gears. Replace seals as per the manufacturer’s recommendations and ensure proper installation to prevent future leaks.

5. Gear Inspection and Adjustment:

Periodically inspect the gears for signs of wear, damage, or misalignment. If any issues are detected, consult a qualified technician or mechanic for further evaluation and adjustment. Gears that are excessively worn or damaged may need to be replaced to maintain the proper functioning of the differential.

6. Service Differential Components:

Some differential systems have additional components that require servicing. For example, limited-slip differentials may have clutch packs or friction plates that need periodic inspection and maintenance. Follow the manufacturer’s guidelines for servicing these components, which may involve cleaning, lubrication, or replacement as necessary.

7. Professional Servicing:

In addition to regular maintenance tasks, it is recommended to have the differential gear serviced by a professional technician or mechanic at specific intervals or when experiencing significant issues. Professional servicing may involve more in-depth inspections, adjustments, or repairs that require specialized tools and knowledge.

8. Follow Manufacturer Recommendations:

Always refer to the vehicle manufacturer’s recommendations and guidelines for maintaining and servicing the differential gear. They provide specific instructions tailored to your vehicle’s make, model, and differential type, ensuring that you follow the appropriate procedures for optimal performance and longevity.

In summary, maintaining and servicing a differential gear involves regular inspections, fluid changes, fluid level checks, seal replacements, gear inspections and adjustments, servicing of differential components, professional servicing when necessary, and adherence to manufacturer recommendations. By following these steps, you can help ensure the proper functioning and durability of the differential gear in your vehicle.

differential gear

What is the role of a center differential in all-wheel-drive systems?

In an all-wheel-drive (AWD) system, the center differential plays a crucial role in distributing power between the front and rear wheels. It is responsible for managing torque transfer and ensuring optimal traction and stability in various driving conditions. Here’s a detailed explanation of the role of a center differential in all-wheel-drive systems:

  • Torque Distribution: The center differential’s primary function is to distribute torque between the front and rear axles in an AWD system. It receives power from the engine and transmits it to both the front and rear wheels. The distribution of torque can vary depending on the design and capabilities of the center differential.
  • Power Split: The center differential splits the engine’s power between the front and rear axles in a manner that optimizes traction and stability. Under normal driving conditions, it typically distributes torque evenly, providing balanced power to all wheels. This balanced power distribution helps enhance vehicle control and stability.
  • Variable Torque Split: In some AWD systems, the center differential can vary the torque split based on driving conditions. It can adjust the distribution of power between the front and rear axles to optimize traction and handling. For example, if the system detects slippage in the front wheels, it can transfer more torque to the rear wheels to improve traction and maintain vehicle stability.
  • Traction Enhancement: The center differential helps improve traction by allowing the front and rear wheels to rotate at different speeds. This capability is particularly beneficial in situations where the left and right wheels on the same axle encounter varying levels of grip, such as when driving on slippery or uneven surfaces. By allowing the wheels to rotate at different speeds, the center differential enables the wheels with better traction to receive more power, enhancing overall grip and traction.
  • Adaptability to Different Conditions: A well-designed center differential enables an AWD system to adapt to different driving conditions. Whether it’s driving on dry pavement, wet roads, icy surfaces, or off-road terrain, the center differential helps optimize power distribution to maintain traction and stability. It allows the AWD system to provide enhanced grip and control, regardless of the prevailing driving conditions.
  • Integration with Other Systems: The center differential often works in conjunction with other vehicle systems to further enhance performance and safety. For example, some AWD systems incorporate electronic controls that can interact with the vehicle’s stability control system, traction control system, or other safety features. This integration helps optimize power delivery, traction management, and overall vehicle dynamics.

In summary, the center differential plays a critical role in all-wheel-drive systems. It distributes torque between the front and rear axles, enhances traction and stability, adapts to different driving conditions, and integrates with other vehicle systems. By effectively managing torque transfer, the center differential helps maximize grip, improve handling, and enhance overall performance in AWD vehicles.

differential gear

What is the purpose of using a differential gear in an automobile?

A differential gear serves a crucial purpose in an automobile. Here’s a detailed explanation:

The purpose of using a differential gear in an automobile is to allow the wheels to rotate at different speeds while receiving power from the engine. It enables smooth and controlled maneuvering, optimizes traction, and enhances overall performance. The differential gear plays several key roles in an automobile:

1. Torque Distribution:

One of the primary purposes of a differential gear is to distribute torque (rotational force) from the engine to the wheels. As the engine generates power, the differential ensures that it is transmitted to the wheels efficiently and effectively. By dividing the torque between the two wheels, the differential enables both wheels to receive power and propel the automobile forward.

2. Differential Action:

The differential gear allows the wheels to rotate at different speeds when the automobile is turning or when one wheel encounters different traction conditions. This differential action is crucial for smooth and controlled maneuvering. By enabling the outer wheel to rotate faster than the inner wheel during a turn, the differential allows the automobile to negotiate corners without binding or skidding.

3. Wheel Speed Compensation:

When the automobile is turning, the inside wheel travels a shorter distance compared to the outside wheel. Without a differential gear, this speed difference would cause significant drivetrain stress and tire wear. The differential gear compensates for the varying wheel speeds by allowing the wheels to rotate at different speeds, ensuring smooth operation and minimizing strain on the drivetrain components.

4. Traction Improvement:

In situations where one wheel loses traction, such as when driving on slippery surfaces or uneven terrain, the differential gear helps improve traction. By allowing the wheel with traction to receive more power, the differential ensures that the automobile can continue moving forward. This is particularly important in automobiles with two-wheel drive, as the differential helps optimize power delivery to the wheel with better traction.

5. Reducing Tire Wear:

The differential gear contributes to reducing tire wear by accommodating differences in wheel speeds. By allowing the wheels to rotate at different speeds during turns, the differential minimizes tire scrubbing and uneven wear. It helps distribute the forces evenly across the tires, promoting longer tire life and maintaining better overall traction.

6. Enhanced Stability and Handling:

The differential gear plays a crucial role in enhancing automobile stability and handling. By allowing the wheels to rotate independently, the differential facilitates better control during turns and maneuvering. It helps maintain proper weight distribution, prevents excessive understeer or oversteer, and promotes balanced handling characteristics.

Overall, the purpose of using a differential gear in an automobile is to enable torque distribution, facilitate smooth and controlled maneuvering, optimize traction, reduce tire wear, and enhance stability and handling. The differential gear ensures that power is efficiently delivered to the wheels while accommodating varying speed and traction conditions, resulting in improved performance and driving dynamics.

China Professional Factory 24/35 Rear-Axle-Differential CZPT Wheel&Pinion Cwp Gear for CZPT Truck-Spare-Parts 42129201/42104455/42487941 worm gear motorChina Professional Factory 24/35 Rear-Axle-Differential CZPT Wheel&Pinion Cwp Gear for CZPT Truck-Spare-Parts 42129201/42104455/42487941 worm gear motor
editor by Dream 2024-04-26