Monroe 911304 Shock Absorber - Rear

Rear Shock Absorber for Durango and Grand Cherokee

Monroe Reflex Light Truck Shock Absorber 911304 is built for rear suspension service on select Dodge Durango and Jeep Grand Cherokee applications. It uses ASD valving that responds to changing road input to help control body motion on vehicles with a higher center of gravity.

Key Features

• ASD valving technology automatically adjusts damping response to road conditions
• Rear suspension shock absorber for select Dodge Durango and Jeep Grand Cherokee models
• Helps reduce vehicle roll and dive during braking and cornering
• Extended length: 21.46 in; compressed length: 16.12 in
• Travel length: 5.34 in for rear suspension movement control
• Upper mount: stem mount with M12 thread pitch
• Lower mount: clevis bracket mount
• Extended bumper stop: yes

Product Details

The Monroe Reflex Light Truck Shock Absorber line is aimed at light truck and SUV rear suspension applications where ride control matters under load and during directional changes. Part number 911304 uses a stem-style upper mount and clevis bracket lower mount, making it a direct-fit rear shock option for the listed vehicles. This part cross-references Rancho RS55399 for the same application.

Compatible With 2021-2026 Dodge Durango, rear; 2022 Jeep Grand Cherokee WK, rear; 2011-2021 Jeep Grand Cherokee, rear without load leveling suspension and without air suspension; 2016-2020 Dodge Durango, rear without sport suspension and without load leveling suspension; 2011-2015 Dodge Durango, rear without self leveling suspension. Monroe 911304 is also referenced by OE and aftermarket numbers including Mopar and KYB equivalents for the same rear shock applications.

Common Issues This Part Addresses

• Excessive rear-end bounce over bumps and uneven pavement
• Body roll during lane changes and cornering
• Nose dive and rear suspension instability during braking
• Reduced rear suspension control on higher-center-of-gravity vehicles
• Worn shock response that affects ride consistency

Installation Notes and Tips

Verify rear suspension configuration before ordering, especially on Jeep Grand Cherokee and Dodge Durango models with load leveling, air suspension, sport suspension, or self-leveling suspension. Match the upper stem mount and lower clevis bracket mount to the original shock before installation. Confirm compressed and extended lengths against the vehicle’s suspension travel to ensure proper fitment.

Quality Assurance

Monroe Reflex Light Truck Shock Absorber 911304 is engineered for rear suspension service on the listed applications and uses valving technology that responds to changing road conditions to support stable handling and ride control.