Dorman 615-144 Spindle Nut - Front or Rear

Dorman 615-144 Spindle Nut for OE-Style Fit

Dorman 615-144 is a steel spindle nut built to match the fit and function of the original hardware on specified vehicles. With a fine M27-2.0 thread, 33 mm hex size, and 6-point design, it supports secure axle and hub retention on a wide range of front and rear applications.

Compatible With Chevrolet Silverado 2500 HD, GMC Sierra 3500 HD, Buick Enclave, Cadillac CTS, Chevrolet Traverse, and other listed applications, this spindle nut is engineered for direct replacement service where the original nut uses an M27-2.0 thread.

Key Features

• Steel construction for durable driveline and axle service
• Fine-thread M27-2.0 specification for listed applications
• 33 mm hex size with 6-point drive for serviceability
• OE-style replacement for specified front and rear positions
• Designed for one-time-use service where required by the application
• Part number 615-144 for easy identification and ordering

Detailed Description

This Dorman spindle nut is made to match original fit and function on vehicles that use an M27-2.0 fine thread spindle nut. It is used across a broad range of GM, Chrysler, Cadillac, Buick, Pontiac, Saturn, and Chevrolet applications, including front service on 2018-2019 Chevrolet Silverado 2500 HD and GMC Sierra 3500 HD, as well as rear service on models such as the Chevrolet Corvette and Cadillac CTS. The 615-144 designation helps simplify replacement when servicing wheel-end and hub assemblies that require the correct thread diameter, hex size, and retention profile.

This part cross-references 6502541 and 10257766 for the same application.

What It Is Used For

• Replacing a worn, damaged, or stripped spindle nut
• Restoring proper hub and axle retention during wheel-end service
• Addressing incorrect thread engagement on M27-2.0 applications
• Correcting service issues caused by a rounded or seized 6-point nut
• Supporting repairs on front or rear driveline assemblies listed in fitment

Installation Notes and Tips

• Verify the vehicle’s thread size, hex size, and position before installation.
• Confirm whether the application requires a one-time-use spindle nut replacement.
• Use the correct service procedure and torque specification for the vehicle.
• Check hub, axle, and bearing components for wear before installing the new nut.
• Match the part to the exact fitment listing for Chevrolet Silverado 2500 HD, GMC Sierra 2500 HD, Buick Enclave, or other listed models.

Quality Assurance

Dorman manufactures this spindle nut to match original part fit and function using quality materials for reliable performance. The part is built for specified vehicle applications and follows the dimensional requirements needed for proper service on compatible front and rear wheel-end assemblies.