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PowerTrax · 3991067REQ

Part #: 3991067REQ
UPC: 698231981504

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Brand: PowerTrax Series: Cross Shaft Pins

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

SHAFT, 3991067 REQ,NOSLIP

Specifications

GTIN
00698231981504
Weight
0.55 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
Ford 7.5
California Proposition 65
WARNING: Cancer - www.P65Warnings.ca.gov
Diameter
19.05
Grade Type
Performance
Length
112.3
Material
9310 Steel
Taxonomy A
LD Differential
Taxonomy B
Ford 7.5
Taxonomy C
No-Slip Rebuild Components
Taxonomy D
Cross Pins/Cross Shafts
Title
Differential Pinion Shaft
Type
Mechanical Locker
Used In No Slip Units
9206752805

Fitment status

This product is universal and will fit your application.