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Dorman 610-409 Wheel Lug Stud - Front
| Brand | Dorman 610-409 |
|---|---|
| Position | Front |
| Bolt Grade | 10.9 |
| Color | Silver |
| Head Diameter | 20.38 mm |
| Length | 55.88 |
| Material | Steel |
| Package Contents | 1 Stud |
| Quick-Start Nose | No |
| SAE or Metric | Metric |
| Shoulder Diameter | 11.94 |
| Shoulder Length (In) | 28.96 mm |
| Splined Bore Diameter | 12.91 |
| Style | Serrated Stud |
| Thread Diameter | 12 |
| Thread Direction | Clockwise |
| Thread Length (In) | 26.93 mm |
| Thread Pitch | 1.5 |
| Thread Size | M12-1.50 |
| Fits | Mazda · 3 vehicles |
Carbon steel construction. Built for strength, longevity, and safety.
Serrated stud design. Helps deliver a secure, dependable wheel connection.
Metric thread size. M12-1.50 threading for precise fitment.
Cross-references Four Seasons 97320, 9528B and BD61386 for the same application. See all 4.
Dorman 610-409 Wheel Lug Stud
Dorman 610-409 is a metric wheel lug stud built from steel and finished in silver for service on select applications that require an M12-1.50 serrated stud. It is engineered to meet demanding automotive industry standards for strength, longevity, and safety, making it a direct-fit hardware choice for front wheel service on the Mazda RX-7.
Key Features
- Steel construction for durable wheel fastening performance
- Metric M12-1.50 thread size with clockwise thread direction
- Serrated stud style helps secure the stud in the hub during installation
- 10.9 bolt grade for demanding automotive use
- Silver finish
- Dimensions: 55.88 length, 12 mm thread diameter, 11.94 shoulder diameter, 12.91 splined bore diameter
- Head diameter: 20.38 mm; shoulder length: 28.96 mm; thread length: 26.93 mm
Detailed Description
This wheel lug stud is built for front wheel applications on 1986-1988 Mazda RX-7 models with 4-bolt wheels and M12-1.50 thread specification. The carbon steel construction and 10.9 grade help provide the strength needed for wheel retention, while the serrated design supports a secure fit in the hub. Dorman 610-409 is a practical replacement for worn, damaged, or corroded lug studs on the Mazda RX-7, and it also cross-references Four Seasons 97320 for the same application.
What It Helps Solve
- Stripped or damaged wheel stud threads
- Corrosion on original lug studs
- Loose or unreliable wheel fastening hardware
- Stud replacement after wheel service or hub repair
- Fitment issues on front wheel hardware for 1986-1988 Mazda RX-7
Installation Notes and Tips
Verify thread size, thread pitch, shoulder diameter, and overall length before installation. This part uses a clockwise thread direction and an M12-1.50 metric thread, so confirm the hub and wheel specification match the vehicle application. For 1986-1988 Mazda RX-7 front wheel service, inspect the mating hub surface and replace any damaged hardware before torquing the wheel to specification.
Quality Assurance
Dorman manufactures this lug stud to demanding automotive industry standards for strength, longevity, and safety. Part number 610-409 is built as a service replacement for select Mazda RX-7 front wheel applications and is supported by Dorman’s established aftermarket hardware engineering.
| Year | Make | Model | Body Type | Position | Notes |
|---|---|---|---|---|---|
| 1988 | Mazda | RX-7 | Coupe | Front | 4 Bolt Wheels; Package Quantity: 10; Thread Size: M12-1.50; Packaging Type: Box; Thread Length (In): 26.93 mm |
| 1987 | Mazda | RX-7 | — | Front | 4 Bolt Wheels; Package Quantity: 10; Thread Size: M12-1.50; Packaging Type: Box; Thread Length (In): 26.93 mm |
| 1986 | Mazda | RX-7 | — | Front | 4 Bolt Wheels; Package Quantity: 10; Thread Size: M12-1.50; Packaging Type: Box; Thread Length (In): 26.93 mm |
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