PowerTrax · 3991057REA
Part #: 3991057REA
UPC: 698231976623
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Description: Precision Differential Pinion Shaft maintains correct power distribution to all; This Differential Pinion Shaft is precision manufactured to OEM gear ratios and tooth geometry. It distributes torque efficiently between axles, maximizing traction and minimizing wear in commercial trucks.
Description:
Description
Unleash your vehicle’s full potential with our Performance Differential Pinion Shaft—engineered for racers, builders, and off-road enthusiasts who push the limits. Built to handle extreme torque loads and aggressive driving conditions, this shaft ensures your ring-and-pinion stay perfectly aligned under maximum stress.
Constructed from premium alloy steel and heat-treated for superior hardness, it delivers the toughness needed for high-horsepower applications and prolonged abuse. The precision-ground surfaces reduce internal friction and ensure smooth gear mesh, translating to quicker power delivery and minimized drivetrain losses.
When every foot-pound counts, you need a shaft that won’t flinch. This design resists torsional stress and pitting under heavy load, making it ideal for drag strips, lifted trucks, rock crawlers, and turbocharged builds. It's engineered to meet or exceed OE performance standards for strength, fitment, and reliability.
Thanks to its easy drop-in fit with no modification required, you’ll spend less time wrenching and more time chasing performance. Whether you're dialing in a custom setup or replacing a worn unit in a built differential, this pinion shaft delivers the backbone your drivetrain demands.
Push harder. Drive stronger. Trust your build.
Features & benefits
- Designed for compatibility with OEM-specified gear oil viscosities, ensuring correct lubrication under all operating conditions.
- Heat-treated alloy steel construction withstands peak torque demands of loaded commercial trucks, preventing gear tooth fatigue and breakage.
- OEM-spec gear ratios preserve intended vehicle speed, performance, and fuel economy characteristics.
- Precision fits to carrier housing bores eliminate shimming uncertainty and simplify installation for experienced drivetrain technicians.
- Precision-machined gears and tight backlash tolerances ensure smooth power transfer and efficient torque distribution between axles.
Information
CROSS PIN- D35- OPEN- ROLL PIN
Application summary
| Year | Make / model |
|---|---|
| 1968-1970 | American Motors AMX |
| 1978-1983 | American Motors Concord |
| 1980-1987 | American Motors Eagle |
| 1970-1977 | American Motors Hornet |
| 1968-1974 | American Motors Javelin |
| 1975-1980 | American Motors Pacer |
| 1984-1993 | Jeep Cherokee |
| 1986-1992 | Jeep Comanche |
| 1993 | Jeep Grand Cherokee |
| 1987-1993 | Jeep Wrangler |
Specifications
- GTIN
- 00698231976623
- Weight
- 0.45 lb
- Height
- 2 in
- Length
- 8 in
- Width
- 2 in
- EO
- Legal US
- Life cycle
- Available to Order
- AAM brand code
- POT
- Warehouse brand code
- POT
- AAIA brand code
- BHKT
Attributes
- App/Model
- Dana 35 Standard
- California Proposition 65
- WARNING: Cancer - www.P65Warnings.ca.gov
- Diameter
- 17.45
- Grade Type
- Performance
- Length
- 106.4
- Material
- 9310 Steel
- Taxonomy A
- LD Differential
- Taxonomy B
- Dana 35 Standard
- Taxonomy C
- Lock-Right Rebuild Components-No-Slip Rebuild Components
- Taxonomy D
- Cross Pins/Cross Shafts
- Title
- Differential Pinion Shaft
- Type
- Mechanical Locker
- Used In Lock Right Units
- 2310-LR
- Used In No Slip Units
- 9204352705
Fitment status
Select a vehicle or engine to see whether this part applies to your application.
Application summary
1968-1970 American Motors AMX; 1978-1983 American Motors Concord; 1980-1987 American Motors Eagle; 1970-1977 American Motors Hornet; 1968-1974 American Motors Javelin; 1975-1980 American Motors Pacer; 1984-1993 Jeep Cherokee; 1986-1992 Jeep Comanche; 1993 Jeep Grand Cherokee; 1987-1993 Jeep Wrangler
