China factories

Chat Now Send Email
China factory - Yimi (Guangzhou) Automotive Parts Co, Ltd

Yimi (Guangzhou) Automotive Parts Co, Ltd

  • China,Guangzhou
  • Verified Supplier
  1. Home
  2. Products
  3. About Us
  4. Contact Us

Leave a Message

we will call you back quickly!

Submit Requirement
China Differential Assembly for Isuzu Truck 4D31 4D34 with 18-Ton Load Capacity,
China Differential Assembly for Isuzu Truck 4D31 4D34 with 18-Ton Load Capacity,

  1. China Differential Assembly for Isuzu Truck 4D31 4D34 with 18-Ton Load Capacity,
  2. China Differential Assembly for Isuzu Truck 4D31 4D34 with 18-Ton Load Capacity,

Differential Assembly for Isuzu Truck 4D31 4D34 with 18-Ton Load Capacity,

  1. MOQ: 10 pcs
  2. Price: Negotiable
  3. Get Latest Price
Payment Terms T/T,Western Union
Supply Ability 10000 pcs/month
Delivery Time 5-8 Work Days
Packaging Details Neutral Package or as customers’ request
Part Number 4D31 4D34 18T
GVW Rating 18 tons
Gear Hardness HRC 58-62
Bearing Type Tapered roller bearings
Seal Type High-temperature oil seals
Material Ductile iron housing, forged steel gears
Engine Model 4D31, 4D34 engines
Gear Type Hypoid ring and pinion
Brand Name YIMI
Model Number Isuzu
Certification ISO/TS16949
Place of Origin China

View Detail Information

Inquiry by Email Get Latest Price
Chat online Now Ask for best deal
  1. Product Details
  2. Company Details

Product Specification

Payment Terms T/T,Western Union Supply Ability 10000 pcs/month
Delivery Time 5-8 Work Days Packaging Details Neutral Package or as customers’ request
Part Number 4D31 4D34 18T GVW Rating 18 tons
Gear Hardness HRC 58-62 Bearing Type Tapered roller bearings
Seal Type High-temperature oil seals Material Ductile iron housing, forged steel gears
Engine Model 4D31, 4D34 engines Gear Type Hypoid ring and pinion
Brand Name YIMI Model Number Isuzu
Certification ISO/TS16949 Place of Origin China
High Light Isuzu truck differential assembly 18-ton loadDuctile iron differential for Isuzu 4D31Case-hardened gears Isuzu 4D34 differential
Differential Assembly For Isuzu Truck 4D31 4D34 18 Ton Durable Transmission Part
Product Overview

The Differential Assembly is a premium-quality, direct replacement drivetrain component designed for Isuzu medium-duty trucks equipped with 4D31 or 4D34 diesel engines and rated for 18 tons gross vehicle weight.

Function: Distributes engine torque between the left and right wheels while allowing them to rotate at different speeds during cornering. Ensures smooth turning, traction, and drivetrain durability for Isuzu 4D31/4D34 trucks.

Product Specifications
Part Number 4D31 4D34 18
Product Name Differential Assembly / Rear Axle Differential
Car Model Isuzu medium-duty trucks
Engine Model 4D31, 4D34 engines
Condition 100% Brand New
Origin China Mainland
Warranty 6 Months
Material High-strength aluminum alloy & precision bearings
Installation Direct OEM replacement
Quality Standard OEM equivalent / ISO quality control
Isuzu Truck Differential Assembly - Front View
Features & Advantages
  • 18-Ton Load Capacity: Engineered for heavy-duty commercial use, withstands high torque and shock loads.
  • Precision Gear Set: Hypoid ring and pinion, lapped for quiet operation and full tooth contact.
  • Ductile Iron Housing: Superior strength and impact resistance compared to gray cast iron.
  • Case-Hardened Gears: HRC 58-62 surface hardness for exceptional wear resistance.
  • Pre-Assembled: Saves installation time; includes bearings and seals (no need to press).
  • Direct Replacement: Matches OE mounting points and axle shaft splines.
  • Restores Drivability: Eliminates noise, vibration, and poor traction.
  • Cost-Effective: Affordable alternative to genuine Isuzu differentials.
Isuzu Truck Differential Assembly - Technical Details
Vehicle & Engine Compatibility

This differential is designed for Isuzu trucks with 4D31/4D34 engines and 18-ton GVW rating.

Isuzu Truck Models (typical):

  • ISUZU medium-duty trucks (model codes: NPR, NQR, FSR, FTR variants with 4D31/4D34)
  • 4D31 engine: 3.6L inline 4 diesel
  • 4D34 engine: 3.9L inline 4 turbo diesel
Installation Notes

Installation steps (overview):

  1. Remove the old differential from the axle housing.
  2. Clean the housing and inspect axle tubes for damage.
  3. Install new differential assembly with supplied bearings and seals.
  4. Adjust side bearing preload using shims.
  5. Set ring and pinion backlash to OE specification (typically 0.15-0.25 mm).
  6. Verify tooth contact pattern using marking compound.
  7. Reinstall axle shafts, fill with gear oil (GL-5, correct viscosity).
  8. Road test and check for noise or leaks.
Quality Control
  • Gear Metrology: Ring and pinion inspected for tooth profile, lead, and pitch error.
  • Hardness Testing: Case depth and core hardness verified.
  • Leak Test: Housing pressurized to check for porosity.
  • Backlash & Preload Check: Sample assemblies tested for correct gear mesh.
  • Magnetic Particle Inspection: Cracks in housing or gears detected.
  • Visual Inspection: 100% checked for casting defects or machining errors.
  • Packaged Safely: Coated with anti-rust oil, wrapped, boxed with foam supports.
Packaging and Delivery
  • Neutral export packing or customized packaging available
  • Carton or wooden case for safe transportation
  • Fast delivery for stock items
  • Shipping by Express Air or Sea
Inquiry

For pricing, availability, or bulk purchase of the Differential Assembly For Isuzu Truck 4D31 4D34 18 Ton Durable Transmission Part, please contact our sales team for a competitive quote and expert technical support.

Company Details

Bronze Gleitlager

,

Bronze Sleeve Bushings

 and 

Graphite Plugged Bushings

 from Quality China Factory
  • Business Type:

    Manufacturer,Distributor/Wholesaler,Exporter,Trading Company,Seller

  • Year Established:

    2005

  • Total Annual:

    8000000-10000000

  • Employee Number:

    100~150

  • Ecer Certification:

    Verified Supplier

Yimi(Guangzhou) Automotive Parts Co,Ltd located in Guangzhou—the economic and transportation hub of Southern China—we are a specialized supplier and exporter with over 20 years of experience in the automotive parts industry. We focus on the production and sales of high-quality automotiv... Yimi(Guangzhou) Automotive Parts Co,Ltd located in Guangzhou—the economic and transportation hub of Southern China—we are a specialized supplier and exporter with over 20 years of experience in the automotive parts industry. We focus on the production and sales of high-quality automotiv...

+ Read More

Get in touch with us

  • Reach Us
  • Yimi (Guangzhou) Automotive Parts Co, Ltd
  • 4F, 7th, No. 2, South Jinguu Road, Huadong Town, Huadu District, Guangzhou City
  • https://www.isuzucarsparts.com/

Leave a Message, we will call you back quickly!

Email

Check your email

Phone Number

Check your phone number

Requirement Details

Your message must be between 20-3,000 characters!

Submit Requirement