Dorman 686-387 Suspension Knuckle - Rear Left

Dorman 686-387 Rear Left Suspension Knuckle

Dorman 686-387 is a steel suspension knuckle engineered as a direct replacement for the original rear left knuckle on select Dodge and Jeep applications. It is built for the 2016-2024 Dodge Durango, 2016-2021 Jeep Grand Cherokee, and 2022 Jeep Grand Cherokee WK, with fitment focused on the rear left position.

Key Features

• Steel construction for suspension service and structural support
• Black housing finish
• Precision-engineered replacement for the original knuckle
• Rigorously tested for reliable replacement performance
• Mounting hole quantity: 8
• Mounting hole diameter: 12.4
• Inside diameter: 95.8
• Length: 290; width: 280
• Package contents: 1 knuckle, 1 nut

Detailed Description

This suspension knuckle is designed for rear left service on the Dodge Durango and Jeep Grand Cherokee platform applications listed above. Dorman 686-387 follows the original part’s role in the rear suspension assembly, helping restore proper wheel support and suspension geometry when the factory knuckle is worn, damaged, or no longer serviceable. This part cross-references OE number 68253397AB for the same application.

For buyers searching for a rear left suspension knuckle for 2016-2024 Dodge Durango, rear left suspension knuckle for 2016-2021 Jeep Grand Cherokee, or rear left suspension knuckle for 2022 Jeep Grand Cherokee WK, this part number 686-387 provides a direct-fit replacement option built from steel.

What It Is Used For

• Replacing a bent or cracked rear left knuckle
• Restoring suspension mounting points after impact damage
• Addressing looseness or instability caused by a worn knuckle assembly
• Supporting proper rear suspension alignment after component replacement
• Returning the rear left corner of the vehicle to service after OE part failure

Installation Notes and Tips

Verify rear left fitment by year, make, and model before installation. Transfer or source any required related components separately, since ball joint, bearing, hub, and installation hardware are not included. Inspect adjacent suspension parts, fasteners, and alignment settings during replacement to confirm the repair is completed correctly.

Quality Assurance

Dorman designs this suspension knuckle as a standard replacement part and tests it for dependable service on the listed vehicles. The part is engineered to match the original knuckle application for the specified Dodge and Jeep rear left fitments.