Dorman 610-166 Wheel Lug Stud - Rear

Brand Dorman 610-166
Position Rear
Head Diameter 0.741 in
Length 1.406
Material Steel
Package Contents 10 Studs
Quick-Start Nose No
SAE or Metric SAE
Shoulder Length (In) 0.563 in
Splined Bore Diameter 0.512
Style Serrated Stud
Thread Diameter 0.437
Thread Direction Clockwise
Thread Length (In) 0.751 in
Thread Size 7/16-20
Threads Per Inch 20
Fits Mercury · 2 vehicles

Steel construction. Built for strength, longevity, and dependable safety.

Serrated stud design. Helps deliver a secure, stable wheel fastening.

SAE thread size. Uses 7/16-20 threads for a precise fit.

Cross-references D0RY1107B and DN610-166 for the same application. See all 2.

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Dorman 610-166 Wheel Lug Stud for Rear Fitment

Dorman 610-166 is a steel wheel lug stud built for rear applications on select vehicles, including 1971-1972 Mercury Capri rear. It uses a 7/16-20 SAE thread and serrated stud design to support secure wheel fastening in service applications.

Key Features

  • Steel construction for strength and durability
  • Clockwise thread direction
  • 7/16-20 SAE thread size with 20 threads per inch
  • Serrated stud style for positive seating in the hub
  • Thread length: 0.751 in; overall length: 1.406 in
  • Head diameter: 0.741 in; shoulder length: 0.563 in
  • Splined bore diameter: 0.512 in
  • Fits 1971-1972 Mercury Capri, rear

Detailed Description

This Dorman wheel lug stud is manufactured from carbon steel and tested to automotive industry standards for strength, longevity, and safety. The 7/16-20 SAE thread specification, clockwise thread direction, and serrated stud profile make it a direct-match service part for rear wheel hardware on 1971-1972 Mercury Capri models. Dorman 610-166 is a practical replacement when the original stud is worn, damaged, or no longer holds proper wheel torque.

This part cross-references Dorman (e.g., D0RY1107B, DN610-166) for the same application.

What It Helps Address

  • Stripped or damaged wheel stud threads
  • Loose wheel retention caused by worn hardware
  • Corrosion or fatigue in original lug studs
  • Improper wheel fastening from incorrect thread size
  • Rear hub service needs on Mercury Capri models

Installation Notes and Tips

Verify thread size, thread direction, and stud length before installation. Match the serrated stud dimensions to the hub opening so the stud seats correctly without excessive play. After installation, torque wheel nuts to the vehicle manufacturer’s specification and recheck torque after initial driving.

Quality Assurance

Dorman manufactures this lug stud to demanding automotive standards and uses carbon steel construction to support dependable service life. Part number 610-166 is built for consistent fit and function in the specified rear application.

This part fits 2 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
1972MercuryCapriRearPackage Quantity: 10; Thread Size: 7/16-20; Packaging Type: Box; Thread Length (In): 0.751 in
1971MercuryCapriRearPackage Quantity: 10; Thread Size: 7/16-20; Packaging Type: Box; Thread Length (In): 0.751 in
Directly replaces or cross-references 2 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
D0RY1107BDN610-166