4137135020 Toyota SPIDER, FRONT DIFFERENTIAL, Price: 85.38$, Weight: 0.452kg
| Make | Number | Name | Availability | Weight, kg | Ship in, Days | Price |
|---|---|---|---|---|---|---|
Toyota |
4137135020 |
SPIDER, FRONT DIFFERENTIAL |
0 |
0.452 |
|
85.38$ |
| Not Available | ||||||
Originals
| Make | Number | Name | Availability | Weight, kg | Processing, days | Price | |
|---|---|---|---|---|---|---|---|
| Toyota |
SPIDER, FRONT DIFFERENTIAL
|
8 |
0.52
|
2-3
|
63.57$
|
Front Differential Spider Gear Set (4WD/AWD)
This internal gear set lives inside the front differential and is essential for smooth turning and stable traction. It allows the left and right front wheels to rotate at different speeds when you corner, while still sharing engine torque to both sides. Without it, the driveline will bind, especially on tight turns. ⚙️
Why this part is needed
When you drive around bends, one wheel travels farther than the other. This gear set makes that speed difference possible, preventing tire scrub, steering kickback, and stress on the axle shafts. It’s a key wear component in high-mileage 4x4s and vehicles that tow or see off-road use. 🛻
How it works
The small bevel gears mesh with the side gears and rotate on a cross-pin inside the carrier. Under straight driving, they mostly ride along; during turns or uneven traction, they spin to balance wheel speed while transferring torque. Correct oil level and clean gear oil keep the teeth and thrust surfaces protected. 🛢️
What happens if it’s worn or broken
Common symptoms
- Clicking/knocking from the front diff on turns 🔊
- Metal flakes in gear oil, burnt smell 🧲
- Vibration, harsh engagement, or binding in 4WD
- Loss of drive to one wheel or complete differential failure ❌
Ignoring damage can destroy the carrier, ring & pinion, and CV joints—turning a small internal repair into a full differential rebuild. ✅