Description

Upgrade steer axle wheel ends with the Stemco 450‑4836 Pro‑Torq Axle Spindle Fastener, a premium locking spindle nut renowned for its safety, precision, and durability.

Key Specifications

• Stemco Part Number: 450‑4836

• Thread Size: 1½″–12 coarse thread

• Tool Socket: 2½″ 6‑point (OTC #1921)

• Keeper Ring (Locking Collar): Inner diameter 1.750″, thickness 0.093″, flat tab design for secure fit

Application Details

• Designed for 12,000–14,000 lb steer axles from OEMs like Meritor and Navistar

• One‑nut design simplifies maintenance and ensures precise bearing preload

Cross-Reference Part Numbers

Current cross references include:

• Ceromet K1501 (competitor Pro‑Torq alternative)

• Zip‑Torq: cross‑ref 400‑4836

• Auto‑Torq: Not applicable (N/A) for this thread size

Why Choose Stemco 450‑4836?

Pro‑Torq® Technology Benefits

• Infinite micro‑adjustment (0.001″ increments) for optimal bearing preload and extended tire/wheel-end life

• Single‑nut design eliminates risk of over‑tightening jam nuts and ensures consistent end‑play

• Flat bearing contact improves seal performance and wheel bearing alignment

• 6‑point socket design (2½″) enables safe, high‑torque installation

Installation Guidance

• Final back‑off: ¼ turn after 100 ft‑lb torque on steer axle, then secure with keeper ring per Pro‑Torq instructions