Stemco 449-4904 Pro-Torq Spindle Nut – Premium Axle Nut for Trailer and Truck Applications

Upgrade your wheel end performance with the Stemco 449-4904 Pro-Torq Spindle Nut, engineered for optimal durability and torque retention in heavy-duty truck and trailer applications. Designed to work with Pro-Torq-compatible hub systems, this premium axle nut ensures long-lasting performance, simplified installation, and enhanced safety on the road.

✅ Product Features:

• Brand: Stemco

• Part Number: 449-4904

• Product Type: Pro-Torq Axle Spindle Nut

• Application: Trailer axle systems – commonly used in heavy-duty Class 8 trucks and trailers

• Thread Size: 2.875"-12 (2-7/8"-12)

• Axle Type: 30 Thread

• Nut Type: Single-piece self-locking design

• Material: Hardened steel for maximum strength

• Compatibility: Fits many popular axle models using the Pro-Torq system

🔁 Cross Reference Part Numbers:

Meritor R007113, Eaton 127510, Spicer 126855, ConMet 10014726, Chicago Rawhide 39649, Freightliner A6803560120

📏 Product Specifications:

• Thread Diameter: 2.875 inches

• Thread Pitch: 12 TPI (threads per inch)

• Locking Mechanism: Integrated retaining clip – no washers or keepers needed

• OEM Replacement: Direct replacement for many OE spindle nut systems

🔍 Why Choose the Stemco 449-4904 Pro-Torq Nut?

• Designed for fast, accurate installation without special tools

• Prevents over-tightening and bearing damage

• Provides reliable clamp load for better wheel end performance

• Backed by Stemco’s reputation for wheel end excellence