Dorman 615-987 Spindle Nut - Front or Rear

Dorman 615-987 Spindle Nut for OE Fit

Dorman 615-987 is a steel spindle nut engineered to match the fit and function of the original hardware on specified vehicles. It is built for reliable performance in front and rear driveline applications where correct thread engagement and secure retention matter.

• Steel construction for durable service
• M22-1.5 thread size with 31.7 mm hex size
• 6-point design for standard tool engagement
• Medium thread type for OE-style fitment
• Non-slotted design
• Fits front and rear applications on select Chevrolet, Buick, and Saturn models

Vehicle Fitment

• Fits 2020-2024 Buick Encore GX, rear
• Fits 2023-2024 Chevrolet Tracker, front
• Fits 2022-2024 Chevrolet Trailblazer, rear
• Fits 2022-2023 Chevrolet Bolt EUV, front
• Fits 2017-2023 Chevrolet Bolt EV, front
• Fits 2018-2023 Chevrolet Cavalier, front
• Fits 2010-2019 Chevrolet Cruze, front
• Fits 2016-2017 Chevrolet Volt, front
• Fits 2016 Chevrolet Cruze Limited, front
• Fits 2016 Chevrolet Cruze NG, front
• Fits 2008-2009 Saturn Astra, front
• Fits 2004-2008 Chevrolet Astra, front

Detailed Description

This spindle nut is a direct-fit hardware replacement for select Chevrolet Cruze, Chevrolet Bolt EV, Chevrolet Trailblazer, Buick Encore GX, and related applications. Dorman 615-987 uses steel construction and OE-style dimensions to support proper hub and axle retention where the original spindle nut has worn, stripped, or been removed during service. The medium thread profile, M22-1.5 thread size, and 31.7 mm hex size make it a practical match for specified front and rear driveline assemblies.

This part cross-references 13208079 for the same application.

Common Repair Uses

• Stripped or damaged spindle nut threads
• Loose or improperly retained hub hardware
• Corrosion-related replacement during axle or hub service
• Service work on front or rear wheel-end assemblies
• OE hardware replacement on Chevrolet Cruze, Bolt EV, and Buick Encore GX platforms

Installation Notes and Tips

Verify thread size, hex size, and application position before installation. Use the correct socket for the 31.7 mm hex and confirm the nut seats properly on the specified hub or axle assembly. Because this is non-slotted and not a one-time-use design, follow the vehicle service procedure for torque and recheck requirements.

Quality Assurance

Dorman designs this spindle nut to match original part fit and function on listed vehicles. The steel construction and OE-style specifications support dependable service in the applications shown above.