Dorman 686-387 rear left suspension knuckle for the 2016-2021 Jeep Grand Cherokee and other vehicles connects the rear left wheel to the suspension. It replaces a knuckle damaged by a collision, pothole or curb strike.
- Part of the Dorman OE Solutions line
- Steel construction that resists rust and corrosion
- Crack-resistant knuckle body
- Precision-engineered to match the dimensions of original components
- Quality inspection confirms the knuckle meets product standards
Quick facts
- Part: Dorman 686-387 rear left suspension knuckle
- Fits: 2016-2021 Jeep Grand Cherokee and other vehicles
- Position: Rear left
- Material: Steel
- Condition: New
A damaged knuckle can show up as clunking noises or uneven tire wear. Worn bushings or alignment and steering problems cause the same signs, so with the engine off, check the rear tire for uneven wear and have a shop find the cause before you replace the knuckle.
Fits
This knuckle is a direct-fit replacement for the 2016-2021 Jeep Grand Cherokee, the 2016-2024 Dodge Durango and the 2022 Jeep Grand Cherokee WK. The listing is one knuckle for the rear left; the rear right is a separate part, and both sides of that axle are normally done at the same time.
Specifications
Fit and size
- Position: Rear left
- Pieces: 1 knuckle and 1 nut
- Inside diameter: 95.8 mm
- Mounting hole diameter: 12.4 mm
- Mounting holes: 8
- Length: 290 mm
- Width: 280 mm
Build and materials
- Material: Steel
- Condition: New
- Country of origin: China
In the box
One knuckle and one nut. The ball joint, hub, bearing and mounting hardware are not included, so plan on new bolts, since the old ones may not be reusable.
Installation notes
- No special tools are needed for installation.
Interchange: 68253397AB
Frequently Asked Questions
Is the Dorman 686-387 knuckle right for the 2016-2024 Dodge Durango?
Yes. Dorman 686-387 is a rear left knuckle for the 2016-2024 Dodge Durango; the rear right side is a separate part.
Does this Dorman rear left knuckle come with the ball joint, hub and bearing?
No. This listing is one knuckle and one nut, and the ball joint, hub, bearing and mounting hardware are not included.
What are the mounting hole sizes on the Dorman 686-387 knuckle?
The Dorman 686-387 has 8 mounting holes of 12.4 mm diameter and a 95.8 mm inside diameter. It is 290 mm long and 280 mm wide.
Can I keep driving with a cracked rear suspension knuckle?
No. The knuckle holds the rear wheel to the suspension, so a cracked or bent one should be inspected and replaced promptly.
Do I need special tools to install this rear left knuckle?
No, no special tools are needed for installation. Mounting hardware is not included, so have new bolts on hand.
