Gear Lock Nut And Retainer Kit Upgraded 5013887AA For DODGE NV4500 4WD 5th

Gear Lock Nut and Retainer Kit for Dodge

This Gear Lock Nut and Retainer Kit secures the fifth gear on the mainshaft, referencing OEM part number 5013887AA.

Overview

This gear lock nut and retainer kit prevents the common issue of the fifth gear sliding off the mainshaft on specific manual transmissions. Designed for truck owners and transmission rebuilders, this gear lock nut and retainer kit provides a mechanical lock to keep the gear firmly positioned. Heavy duty vehicles benefit from the reliable retention offered by this gear lock nut and retainer kit during high-torque hauling.

Built For Performance

• High-strength steel alloy construction resists thread stripping under heavy loads.
• Splined retainer ring prevents the lock nut from backing off the shaft.
• Precision machined threads ensure a tight and secure fitment.
• Black oxide finish provides resistance to corrosion and wear.

Fits These Machines

• for Dodge NV4500 4WD Transmission

On-The-Job Use

• Rebuilding manual transmissions suffering from fifth gear loss.
• Preventative maintenance on heavy-duty diesel work trucks.
• Restoring drivetrain power delivery during fleet servicing.

Specs At A Glance

Good To Know

Q: Why does the fifth gear slip off on these transmissions? A: Vibration and high torque loads can cause the factory nut to back off, allowing the gear to slide off its splines.

Q: Do I need special tools to install this kit? A: A dedicated spanner wrench is typically required to torque the mainshaft lock nut to the correct factory specifications.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.