Dorman 615-992 Spindle Nut - Front or Rear

Dorman 615-992 Spindle Nut for OE Fit

Dorman 615-992 is a steel spindle nut built to match the fit and function of the original hardware on specified vehicles. It is engineered for reliable performance and direct replacement use on front and rear axle applications where the correct thread size, hex size, and thread pitch matter.

• Steel construction for durable service in driveline and axle applications
• M22-1.5 thread size with 22 mm thread diameter
• 31.5 mm hex size for proper tool engagement
• 6-point design for secure installation and removal
• Non-slotted design
• Designed as a one-time-use spindle nut
• Bridge nut socket not needed
• Fits Ford Ranger, Ford Explorer, Ford Escape, Ford Transit Connect, Mazda Tribute, Mercury Mariner, Mercury Mountaineer, Ford Explorer Sport Trac, Ford Taurus X, Ford Five Hundred, Mercury Montego, Ford Freestyle, and Ford Explorer Sport

This Dorman spindle nut, part number 615-992, is a direct-fit hardware replacement for select Ford, Mazda, and Mercury vehicles. It is commonly used in front and rear wheel-end service where the spindle nut secures hub and bearing components to the spindle. This part cross-references OE-style numbers such as N808985S100 and W705967S439X for the same application.

Common Uses

• Replacing a worn or damaged spindle nut during hub and bearing service
• Restoring proper axle end retention on Ford Ranger front applications
• Addressing stripped threads or rounded hex surfaces on Ford Explorer and Escape service jobs
• Supporting wheel-end repairs on Mazda Tribute and Mercury Mariner models
• Correcting fitment issues caused by incorrect thread pitch or hex size

Installation Notes

Verify thread size, thread pitch, and hex size before installation. Because this is a one-time-use spindle nut, replace it during service rather than reusing the old hardware. Confirm the vehicle position and axle configuration against the listed fitment before tightening to specification. For Ford Explorer, Ford Escape, and Mazda Tribute applications, match the nut to the correct front or rear location shown in the fitment data.

Quality Assurance

Dorman designs this spindle nut to match original part fit and function on specified vehicles and manufactures it from quality steel for dependable service. Part number 615-992 is built for direct replacement use on select Ford, Mazda, and Mercury driveline and axle applications.