Dorman 615-979 Spindle Nut - Rear

Reliable Spindle Nut for Chevrolet P30 and GMC P3500

The Dorman 615-979 spindle nut is engineered to provide secure fastening for driveline components on Chevrolet P30 and GMC P3500 vehicles. Crafted from durable steel, this spindle nut ensures consistent performance and longevity in demanding automotive applications.

• Material: High-strength steel construction
• Thickness: 0.8 inches for robust durability
• Point Quantity: 8 points for precise torque application
• Thread Type: Coarse thread for reliable engagement
• Hex Size: 3 1/4 inches for standard wrench compatibility
• Thread Diameter: 2.5 inches with a 2 1/2-12 thread size
• Slotted Type: Not slotted, designed for secure fastening
• Reusable: Not a one-time use nut
• Package Contents: Includes 2 spindle nuts

Durable Steel Spindle Nut Designed for Heavy-Duty Use

The Dorman 615-979 spindle nut is manufactured from steel to withstand the stresses of heavy-duty driveline and axle applications. Its 0.8-inch thickness and 8-point design allow for even torque distribution, reducing the risk of loosening under vibration. The coarse thread type and 2 1/2-12 thread size provide a secure fit on compatible axles, while the 3 1/4-inch hex size ensures compatibility with common tools used in professional automotive repair.

Compatible Applications and Vehicle Fitment

This spindle nut is specifically compatible with Chevrolet P30 and GMC P3500 models, making it a suitable replacement part for maintaining or repairing the driveline hardware on these vehicles. The part number 615-979 corresponds directly to these applications, ensuring proper fit and function.

Common Issues Addressed by the Dorman 615-979 Spindle Nut

• Loose or worn spindle nuts causing axle instability
• Corroded or damaged nuts compromising driveline safety
• Replacement of missing or stripped nuts during axle maintenance
• Ensuring proper torque retention in heavy-duty vehicle axles
• Preventing premature wear of axle components due to improper fastening

Installation Notes and Tips

When installing the Dorman 615-979 spindle nut, ensure the threads are clean and free of debris to promote proper engagement. Use a torque wrench compatible with the 3 1/4-inch hex size to apply the manufacturer-recommended torque specifications. Since this nut is reusable, inspect it for any signs of wear or damage before reinstallation. Avoid using a slotted nut wrench as this nut is not slotted.

Quality Assurance and Warranty Information

Dorman spindle nuts are manufactured to meet or exceed OEM specifications for durability and fitment. The 615-979 part is backed by Dorman's quality standards, providing confidence in its performance on Chevrolet P30 and GMC P3500 vehicles. Please refer to Dorman's warranty policy for specific coverage details.