Dorman 615-104 Spindle Nut - Rear, Rear Left or Rear Right

Brand Dorman 615-104
Position Rear Left
Package Contents 2 Nuts
Thread Size M16-1.50
Fits Mercury, Ford, and Mazda · 19 vehicles

OE direct replacement. Matches the fit and function of the original spindle nut.

Quality materials. Engineered for reliable performance in demanding driveline service.

Spindle nut. A hardware fastener made for secure axle assembly.

Cross-references B00126042 for the same application. See all 1.

$26.47Free shipping
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Dorman 615-104 Spindle Nut for Rear Applications

Dorman 615-104 is a spindle nut built to match the fit and function of the original hardware on specified vehicles. It uses quality materials for dependable performance in rear axle and hub service, with direct-fit sizing for M16-1.50 threaded applications.

Key Features

  • OE-style spindle nut replacement for specified rear applications
  • Thread size: M16-1.50
  • Designed to match original fit and function
  • Made from quality materials for reliable service
  • Direct replacement part number: 615-104

Detailed Description

This Dorman spindle nut is engineered for vehicles that require an M16-1.50 thread and rear spindle hardware. It is a practical replacement for service work on applications such as the Ford Festiva, Mazda 626, Mazda 323, Mercury Capri, and Mercury Tracer. If you are replacing worn rear axle hardware on a 1983-1987 Mazda 626 or servicing a rear left or rear right application on select Ford and Mercury models, Dorman 615-104 provides the correct thread specification and OE-style fit.

This part cross-references B00126042 for the same application.

Common Uses

  • Replacing a damaged or stripped spindle nut
  • Restoring proper rear hub retention during axle service
  • Correcting thread mismatch on M16-1.50 applications
  • Addressing looseness or wear at the rear spindle area
  • Supporting maintenance on Ford Festiva, Mazda 626, Mazda 323, Mercury Capri, and Mercury Tracer

Installation Notes and Tips

  • Verify thread size and position before installation: Fits 1991-1994 Mercury Capri, rear left; Fits 1988-1993 Ford Festiva, rear left; Fits 1988-1989 Mazda 323, rear right; Fits 1988-1989 Mercury Tracer, rear left; Fits 1983-1987 Mazda 626, rear.
  • Inspect the spindle threads and mating components for wear or damage before installing the new nut.
  • Confirm the replacement matches the vehicle’s rear left, rear right, or rear position as listed.
  • Use proper service procedures for axle and hub hardware to ensure correct seating and retention.

Quality Assurance

Dorman designs this spindle nut to match original part fit and function on the listed vehicles. The part is manufactured from quality materials and built for reliable performance in service.

This part fits 19 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelDrive TypePositionNotes
1994MercuryCapriRear LeftThread Size: M16-1.50; Package Quantity: 2; Dorman - AutoGrade - Boxed; Packaging Type: Box
1993FordFestivaRear LeftThread Size: M16-1.50; Package Quantity: 2; Dorman - AutoGrade - Boxed; Packaging Type: Box
1993MercuryCapriRear LeftThread Size: M16-1.50; Package Quantity: 2; Dorman - AutoGrade - Boxed; Packaging Type: Box
1992FordFestivaRear LeftThread Size: M16-1.50; Package Quantity: 2; Dorman - AutoGrade - Boxed; Packaging Type: Box
1992MercuryCapriRear LeftThread Size: M16-1.50; Package Quantity: 2; Dorman - AutoGrade - Boxed; Packaging Type: Box
1991FordFestivaRear LeftThread Size: M16-1.50; Package Quantity: 2; Dorman - AutoGrade - Boxed; Packaging Type: Box
1991MercuryCapriRear LeftThread Size: M16-1.50; Package Quantity: 2; Dorman - AutoGrade - Boxed; Packaging Type: Box
1990FordFestivaRear LeftThread Size: M16-1.50; Package Quantity: 2; Dorman - AutoGrade - Boxed; Packaging Type: Box
1989FordFestivaRear LeftThread Size: M16-1.50; Package Quantity: 2; Dorman - AutoGrade - Boxed; Packaging Type: Box
1989Mazda323FWDRear RightThread Size: M16-1.50; Package Quantity: 2; Dorman - AutoGrade - Boxed; Packaging Type: Box
1989MercuryTracerRear LeftThread Size: M16-1.50; Package Quantity: 2; Dorman - AutoGrade - Boxed; Packaging Type: Box
1988FordFestivaRear LeftThread Size: M16-1.50; Package Quantity: 2; Dorman - AutoGrade - Boxed; Packaging Type: Box
1988Mazda323FWDRear RightThread Size: M16-1.50; Package Quantity: 2; Dorman - AutoGrade - Boxed; Packaging Type: Box
1988MercuryTracerRear LeftThread Size: M16-1.50; Package Quantity: 2; Dorman - AutoGrade - Boxed; Packaging Type: Box
1987Mazda626RearThread Size: M16-1.50; Package Quantity: 2; Dorman - AutoGrade - Boxed; Packaging Type: Box
1986Mazda626RearThread Size: M16-1.50; Package Quantity: 2; Dorman - AutoGrade - Boxed; Packaging Type: Box
1985Mazda626RearThread Size: M16-1.50; Package Quantity: 2; Dorman - AutoGrade - Boxed; Packaging Type: Box
1984Mazda626RearThread Size: M16-1.50; Package Quantity: 2; Dorman - AutoGrade - Boxed; Packaging Type: Box
1983Mazda626RearThread Size: M16-1.50; Package Quantity: 2; Dorman - AutoGrade - Boxed; Packaging Type: Box
Directly replaces or cross-references 1 part number
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
B00126042