Dorman 05112 Spindle Nut - Front or Rear

Dorman 05112 Spindle Nut for Mazda Miata and More

Dorman 05112 is a spindle nut engineered to match the fit and function of the original part on specified vehicles. Built from quality materials, it supports reliable wheel-end service where correct thread engagement and secure spindle retention matter.

Key Features

• Direct replacement spindle nut for specified applications
• Thread size: M20-1.50
• Made to match original fit and function
• Quality-material construction for dependable performance
• Fits front and rear applications on select Mazda Miata models

Detailed Description

This Dorman spindle nut is a practical OE-style replacement for driveline and axle service. It is designed for vehicles that use an M20-1.50 spindle thread, including front applications on 1990-1997 Mazda Miata, rear applications on 1990-1997 Mazda Miata, and front applications on 1999-2005 Mazda Miata. It also fits select Ford Festiva and Mazda 323 front applications listed in the fitment data. If you are replacing a worn or damaged spindle nut on a Mazda Miata, Dorman 05112 provides the correct thread specification and application match for the job.

This part cross-references D06Y33042 and E9BZ3B477A for the same application.

What It Helps Fix

• Loose or worn spindle nut threads
• Improper wheel-end retention after service
• Replacement needs during hub or axle maintenance
• Fitment issues caused by incorrect thread size
• Noise or play related to worn spindle hardware

Installation Notes and Tips

• Verify the spindle thread size is M20-1.50 before installation.
• Match the vehicle position to the listed front or rear application.
• Confirm the exact year and model, especially on 1989 Mazda 323 and 1989 Ford Festiva applications with VIN/date notes.
• Inspect related wheel-end components for wear before reassembly.

Quality Assurance

Dorman manufactures this spindle nut to match original part fit and function using quality materials for reliable service on specified vehicles.