Automann 750.2637NT Pinion Lock Nut M39x1.5 for Meritor 40X1237

Automann 750.2637NT Differential Pinion Lock Nut (M39x1.5)

Maintain critical bearing preload and protect your commercial differential with the heavy-duty Automann 750.2637NT Pinion Lock Nut. Engineered to Fleet Standard specifications, this premium industrial fastener is precision-machined to secure vital components within commercial drive axle carrier assemblies.

Built to absorb high rotational torque and intense vocational chassis vibrations, this nut delivers a dependable factory-level hold, preventing gear misalignment and costly rear-end rebuilds.

Product Specifications

• Brand: Automann

• Part Number: 750.2637NT

• Alternate Part Number: 40X1237

• Product Level: Fleet Standard

• Component Type: Differential Pinion Lock Nut

• Thread / Sizing Specifications: M39 x 1.5 Metric Thread

• Unit Size: 1 PC

• Weight: 0.58 lbs

• Package Dimensions: 2.95" x 2.95" x 0.95"

• Shipping: Parcel Friendly

• UPC Code: 889626259937

• Category: Power Train Differential Pinion Nuts

Heavy-Duty Vehicle Applications

This premium pinion lock nut is widely utilized across major commercial truck platforms equipped with compatible Meritor differential carriers, including:

• International / Navistar (IHC) Heavy Duty Trucks

• Meritor Heavy-Duty Drive Axle Carrier Assemblies

Direct OEM & Aftermarket Cross-Reference

Ensure a precise mechanical match before servicing. This component serves as a high-quality alternative to the following original equipment dealer and aftermarket part numbers: