Dorman 615-018 Spindle Lock Nut Kit - Front

Durable Spindle Lock Nut Kit for Ford, Lincoln, and Mercury Vehicles

The Dorman 615-018 Spindle Lock Nut Kit is engineered to provide reliable performance for a range of Ford, Lincoln, and Mercury models. Designed with precision fine threads and high-quality steel construction, this kit ensures secure fastening and long-lasting durability in brake hardware applications.

• Includes 2 spindle nuts, 2 nut retainers, 2 spindle nut washers, 2 dust caps, and 1 cotter pin
• Constructed from durable steel (acero) for strength and corrosion resistance
• Fine thread type with 3/4-16 thread size and 16 threads per inch for precise fitment
• Nut thickness of 0.34 inches for optimal engagement and load distribution
• Thrust washers included to maintain proper spindle alignment and reduce wear

Technical Details and Material Specifications

The Dorman 615-018 kit features steel nuts manufactured with fine threads (3/4-16) to match factory specifications on compatible vehicles. The nut thickness of 0.34 inches provides a secure hold on the spindle, while the included thrust washers help maintain proper bearing preload and reduce friction during operation. This kit does not include gaskets, seals, or snap rings, focusing solely on the essential hardware needed for spindle nut assembly. The package contents include two dust caps to protect the spindle assembly from contaminants and a cotter pin to secure the nuts in place.

Compatible Vehicles and Applications

This spindle lock nut kit is compatible with a wide range of Ford, Lincoln, and Mercury models, including but not limited to:

• Ford F-150, F-250, F-350, and Super Duty series
• Ford Explorer, Expedition, and Ranger
• Ford Econoline vans including E-150, E-250, and E-350 variants
• Lincoln Navigator and Blackwood
• Mercury Mountaineer and other select models

It is designed for use in brake hardware, fasteners, and fittings where spindle lock nuts are required to maintain wheel bearing integrity and safe vehicle operation.

Common Issues Addressed by the Spindle Lock Nut Kit

• Loose or worn spindle nuts causing wheel bearing play
• Corrosion or damage to original nuts compromising safety
• Loss of proper preload on wheel bearings leading to premature wear
• Contaminant ingress due to damaged or missing dust caps
• Failure of retaining hardware resulting in spindle assembly instability

Installation Notes and Tips

When installing the Dorman 615-018 spindle lock nut kit, ensure the spindle threads are clean and free of debris. Torque the nuts to manufacturer specifications to maintain proper bearing preload. Use the included cotter pin to secure the nuts and prevent loosening during operation. The included dust caps should be installed to protect the spindle assembly from dirt and moisture. This kit is reusable and not designated for one-time use only.

Quality Assurance and Warranty Information

Dorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 615-018 spindle lock nut kit is made from high-quality steel materials to ensure durability and corrosion resistance. While specific warranty details are not provided, Dorman typically offers limited warranties covering defects in material and workmanship. For detailed warranty information, refer to Dorman's official documentation.