Dorman 610-342 Wheel Lug Stud - Front

Brand Dorman 610-342
Position Front
Color Silver
Head Diameter 19.685 mm
Length 1.831
Material Steel
Package Contents 10 Studs
Quick-Start Nose Yes
SAE or Metric Metric
Shoulder Diameter 12.98
Shoulder Length (In) 14.475 mm
Splined Bore Diameter 13.515
Style Serrated Stud
Thread Diameter 12
Thread Direction Clockwise
Thread Length (In) 22.1 mm
Thread Pitch 1.5
Thread Size M12-1.50
Fits Ford and Mercury · 4 vehicles

Carbon steel construction. Built for strength, longevity, and safety.

Serrated stud design. Helps deliver a secure wheel fastening.

Metric thread size. M12-1.50 threading for precise fitment.

Cross-references Raybestos Brakes 27843B, TYC 97258 and 561-250 for the same application. See all 5.

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Dorman 610-342 Wheel Lug Stud for Ford and Mercury

Dorman 610-342 is a metric wheel lug stud built from steel and tested to automotive industry standards for strength, longevity, and safety. It is a direct-fit front wheel lug stud for select 1989-1990 Ford Thunderbird and Mercury Cougar applications with M12-1.50 thread size.

Key Features

  • Steel construction for dependable wheel fastening performance
  • Metric M12-1.50 thread size with clockwise thread direction
  • Serrated stud style helps secure the stud in the hub or flange
  • Quick-start nose for easier lug nut engagement during service
  • Silver finish with a 1.831 in overall length
  • Head diameter: 19.685 mm; shoulder diameter: 12.98 mm; splined bore diameter: 13.515 mm
  • Thread length: 22.1 mm; shoulder length: 14.475 mm

Detailed Description

This Dorman wheel lug stud is engineered for front-wheel service on 1989-1990 Ford Thunderbird and 1989-1990 Mercury Cougar models. The carbon steel construction and serrated design support secure wheel retention, while the metric thread specification and quick-start nose help make replacement straightforward during brake or hub service. Dorman 610-342 is a practical OE-style replacement when the original stud is worn, damaged, or no longer holds proper thread engagement. This part cross-references Raybestos Brakes 27843B and TYC 97258 for the same application.

What It Helps Fix

  • Stripped or damaged wheel stud threads
  • Broken or bent front lug studs
  • Loose wheel fastening caused by worn stud splines
  • Improper lug nut engagement on M12-1.50 applications
  • Service issues during hub, rotor, or brake work on Ford Thunderbird and Mercury Cougar

Installation Notes and Tips

Verify thread size, shoulder dimensions, and front position before installation. Press-fit serrated studs should be installed with the correct service method to avoid damaging the hub or flange. Confirm lug nut thread engagement and torque specifications after installation, and inspect adjacent studs for wear if one stud has failed.

Quality Assurance

Dorman manufactures this lug stud from carbon steel and tests it to demanding automotive industry standards to support strength, longevity, and safety. Part number 610-342 is built for consistent fitment on the listed Ford Thunderbird and Mercury Cougar front applications.

This part fits 4 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
1990FordThunderbirdFrontPackage Quantity: 10; Thread Size: M12-1.50; Packaging Type: Box; Thread Length (In): 22.1 mm
1990MercuryCougarFrontPackage Quantity: 10; Thread Size: M12-1.50; Packaging Type: Box; Thread Length (In): 22.1 mm
1989FordThunderbirdFrontPackage Quantity: 10; Thread Size: M12-1.50; Packaging Type: Box; Thread Length (In): 22.1 mm
1989MercuryCougarFrontPackage Quantity: 10; Thread Size: M12-1.50; Packaging Type: Box; Thread Length (In): 22.1 mm
Directly replaces or cross-references 5 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Raybestos Brakes — 27843BTYC — 97258561-250BD61469E9SZ1107A