Product Description
Core Product Advantages
Application Scenarios
Product Specifications & Additional Notes
Why Choose Our Rear Differential Assembly for Japanese & Korean Pickup
The Rear Differential Assembly is a critical mechanical component specifically designed for pickup trucks, serving as the core of the rear axle system (and compatible with 4x4 pickup models’ front axles). Its primary function is to transfer power from the transmission to the rear wheels while solving a key engineering challenge: enabling the left and right rear wheels to rotate at different speeds. This functionality is non-negotiable for pickups, which frequently operate across diverse terrains—from smooth urban streets to rugged off-road trails—and need to handle heavy-duty hauling tasks.
When a pickup truck turns, the outer rear wheel travels a longer distance than the inner rear wheel. The rear differential assembly automatically adjusts the rotational speeds of the two wheels, effectively preventing wheel slip, tire scuffing, and excessive stress on the drivetrain components. Crafted for durability and precision, our ensures optimal performance, longevity, and safety for both daily commuting and heavy-duty pickup usage, perfectly matching the specifications of Japanese and Korean pickup models.
OEM-Grade Fit & Compatibility: Manufactured strictly according to original vehicle dimensions and specifications, ensuring a perfect replacement for the original rear differential assembly. No modifications are needed, reducing installation time and labor costs.
12-Month Quality Guarantee: We provide a 12-month quality warranty service from the date of customer receipt, covering manufacturing defects and ensuring peace of mind for every purchase.
Flexible Order Support: Small-batch orders are welcome (retail orders excluded), catering to the needs of distributors, repair shops, and vehicle modification businesses.
Specialized in Japanese & Korean Models: Focused on rear differential assemblies for Japanese and Korean pickup trucks, including Toyota, Mazda, Isuzu, Mitsubishi, Hyundai, Kia, and other mainstream models, ensuring high compatibility and performance.
Customizable Packaging: Differential assemblies are packaged in high-quality plywood wooden cases for safe transportation. We support custom logo printing on both the product and the wooden case, enhancing brand recognition.
Secure Shipping Solution: Considering that plywood wooden cases are prone to damage during transportation, all rear differential assemblies are shipped on pallets, minimizing the risk of damage and ensuring intact delivery.
Urban Road Driving: When navigating city intersections, roundabouts, or narrow streets, the adjusts rear wheel speeds during frequent turns. It prevents tire scuffing and drivetrain strain, ensuring smooth, energy-efficient commuting for daily pickup use.
Off-Road Exploration: For 4x4 pickups driving in mud, sand, gravel, or mountain trails, the rear differential assembly (especially limited-slip/locking types) distributes torque to the wheels with grip, avoiding slip and maintaining traction. This enables safe passage through uneven, low-adhesion terrains, making it ideal for off-road enthusiasts and outdoor workers.
Heavy-Duty Hauling/Towing: When carrying cargo or pulling trailers, the rear differential assembly handles increased torque loads efficiently. It evenly transmits power to the rear drive wheels, ensuring stable acceleration and deceleration, preventing component overheating, and safeguarding driving safety during heavy-duty operations.
Highway Cruising & Overtaking: At high speeds, the CARRIER ASSY, RR DIFF maintains consistent rear wheel rotation for stable straight-line driving. During overtaking (quick acceleration), it balances power distribution between the left and right rear wheels, enhancing responsiveness and ensuring smooth speed transitions.
Rural/Suburban Terrain: On dirt roads, farm lanes, or hilly paths with frequent turns and slight unevenness, the rear differential assembly adapts to varying wheel travel distances. It reduces tire wear, improves maneuverability, and suits the needs of rural work (e.g., farm transportation) or suburban leisure drives.
Specifications of the product vary by vehicle type (especially pickup trucks). The following table presents general technical parameters, performance indicators, and physical specifications, along with common failure symptoms and precautions:
Parameter Category | Details & Ranges |
|---|---|
Mechanical Performance Parameters | Maximum Input Torque: 350 – 600+ N·m (mid-size pickups); 1000 – 3000+ N·m (heavy-duty pickups) Final Drive Ratio: 3.0 – 5.0 (e.g., 3.73, 4.10), depending on engine and tire size Gear Material: High-strength alloy steel (20CrMnTi, 20CrMo), carburized and quenched; surface hardness HRC 58-62 Gear Precision: Micron-level meshing precision for low noise and high efficiency |
Key Performance Indicators (LSD/Performance Differentials) | Locking Factor (Bias Ratio): 1.0 (standard open); 1.5 – 2.0 (mild LSD); 2.5 – 4.0+ (heavy LSD/off-road) Slip Rate Control: Split-Mu Surface ≤ 2.5%; Full-Slip Surface (ice/snow) 1.5% – 2.0% Response Time: ≤ 0.1 seconds (electronic/mechanical LSDs) |
Physical Specifications (Mid-size Pickup) | Weight: 15kg – 40kg (heavy-duty pickup rear differentials > 40kg) Lubricant Capacity: 1.0 – 2.5 liters; requires GL-5 grade gear oil Bearing Preload: Axial play 0.05 – 0.15 mm (precise adjustment required) |
Common Failure Symptoms & Precautions | Oil Leaks: Caused by aging seals; replace promptly to avoid gear damage from insufficient lubrication Vibration/Shudder: Caused by driveshaft imbalance or severe internal gear wear; inspect and repair immediately Binding/Sticking: LSD friction plate seizure; leads to difficult turning and wheel hop; replace faulty components |
Product Description
Core Product Advantages
Application Scenarios
Product Specifications & Additional Notes
Why Choose Our Rear Differential Assembly for Japanese & Korean Pickup
