Dorman 698-139 Suspension Knuckle - Rear Left

Overview of Dorman Suspension Knuckle 698-139

The Dorman Suspension Knuckle 698-139 is designed for reliable suspension performance on select Ford and Mercury vehicles. Engineered from durable steel and finished in black, this knuckle provides a solid foundation for your vehicle's suspension system.

• Constructed from high-strength steel for durability
• Black finish for corrosion resistance
• Length: 9.37 inches, Width: 4.269 inches
• Inside diameter measures 3.34 inches
• Features three mounting holes with 0.55-inch diameter each
• Standard replacement grade part
• Does not include ball joint, bearing, hub, or mounting hardware
• Package contains one suspension knuckle

Detailed Product Description

This suspension knuckle, part number 698-139, is a direct replacement component compatible with Ford Explorer, Explorer Sport Trac, and Mercury Mountaineer models. Manufactured from steel, it offers the necessary strength to support the wheel hub and suspension components. The black finish helps protect against rust and wear, extending the service life of the part. With precise dimensions including a length of 9.37 inches and an inside diameter of 3.34 inches, this knuckle ensures proper fitment and alignment within the suspension assembly. The three mounting holes, each 0.55 inches in diameter, allow secure attachment to the vehicle's suspension system. Note that this part does not include ball joints, bearings, hubs, or installation hardware, so these components must be sourced separately if needed.

Compatible Vehicles and Applications

• Ford Explorer (various model years)
• Ford Explorer Sport Trac
• Mercury Mountaineer

This knuckle is intended for use in suspension repairs or upgrades where the original knuckle is damaged, worn, or corroded.

Common Issues Addressed by This Suspension Knuckle

• Worn or damaged knuckle causing poor wheel alignment
• Corrosion or rust compromising suspension integrity
• Excessive play or looseness in the suspension assembly
• Accident or impact damage to the suspension knuckle
• Replacement during suspension system overhaul or upgrade

Installation Notes and Tips

Installation of the Dorman 698-139 suspension knuckle requires mechanical expertise and appropriate tools. Since ball joints, bearings, hubs, and mounting hardware are not included, ensure these components are inspected and replaced as necessary. Proper torque specifications should be followed when securing the knuckle to maintain suspension geometry and vehicle safety. It is recommended to have a professional alignment performed after installation.

Quality Assurance and Warranty

Dorman suspension components meet standard replacement grade requirements to provide reliable performance. While specific warranty details for part number 698-139 are not provided here, Dorman typically offers limited warranties covering defects in materials and workmanship. Refer to Dorman's official documentation for complete warranty information.