Monroe 911533 Shock Absorber - Rear

Monroe Reflex Monotube Rear Shock Absorber

The Monroe Reflex Monotube Shock Absorber, part number 911533, is built for rear suspension service on select Chevrolet Silverado 1500 and GMC Sierra applications. It uses a high-pressure gas monotube design to improve damping response, helping maintain control on light trucks and SUVs.

Key Features

• Monotube shock absorber design for consistent damping performance
• High-pressure gas charge adds spring rate support and improves control
• Rubber dust shield helps protect the shock shaft from road debris
• Loop bushing and sleeve upper and lower mounts with 14 mm sleeve ID
• Extended length: 24.8 in; compressed length: 15.83 in; travel length: 8.97 in
• Rear position application for Silverado 1500 and Sierra 1500 platforms

Product Details

Monroe Reflex shocks are part of the Reflex Monotube Shock Absorber line, which focuses on controlled ride behavior for trucks that see daily driving, towing, and uneven pavement. Part number 911533 uses a monotube construction with high-pressure gas to help the shock react quickly to suspension movement and maintain damping efficiency. This rear shock absorber is listed for 2019-2025 Chevrolet Silverado 1500, 2019-2025 GMC Sierra 1500, 2022 Chevrolet Silverado 1500 LTD, 2022 GMC Sierra 1500 Limited, 2007-2021 Chevrolet Cheyenne, 2019 Chevrolet Silverado 1500 LD, 2019 GMC Sierra 1500 Limited, 2014-2018 Chevrolet Silverado 1500, 2014-2018 GMC Sierra 1500, and 2007-2013 Chevrolet Silverado 1500 and GMC Sierra 1500 rear applications.

This part cross-references Rancho RS77198 and KYB 345074 for the same application.

What It Helps Address

• Rear-end bounce or unsettled ride over rough pavement
• Reduced damping control from worn factory shocks
• Excessive body movement during braking, cornering, or load changes
• Road vibration and impact harshness from aging suspension components
• Loss of consistent rear suspension response on Silverado 1500 and Sierra 1500 trucks

Installation Notes and Fitment

• Fits 2019-2025 Chevrolet Silverado 1500, rear
• Fits 2019-2025 GMC Sierra 1500, rear
• Fits 2022 Chevrolet Silverado 1500 LTD, rear
• Fits 2022 GMC Sierra 1500 Limited, rear
• Fits 2007-2021 Chevrolet Cheyenne, rear
• Fits 2019 Chevrolet Silverado 1500 LD, rear; old body style; without Magnetic Ride Control Suspension; without Electronic Adjustable Suspension
• Fits 2019 GMC Sierra 1500 Limited, rear; old body style; without Magnetic Ride Control Suspension; without Electronic Adjustable Suspension
• Fits 2014-2018 Chevrolet Silverado 1500, rear; without Magnetic Ride Control Suspension; without Electronic Adjustable Suspension
• Fits 2014-2018 GMC Sierra, rear; without Magnetic Ride Control Suspension; without Electronic Adjustable Suspension
• Fits 2014-2018 GMC Sierra 1500, rear; without Magnetic Ride Control Suspension; without Electronic Adjustable Suspension
• Fits 2007-2013 Chevrolet Silverado 1500, rear; without electronic adjustable suspension
• Fits 2007-2013 GMC Sierra, rear; without electronic adjustable suspension
• Fits 2007-2013 GMC Sierra 1500, rear; without electronic adjustable suspension

Verify rear suspension configuration before ordering, especially on trucks with Magnetic Ride Control or electronic adjustable suspension. Upper and lower mounts are loop bushing and sleeve style, and the dust shield is rubber.

Quality Assurance

Monroe Reflex monotube shocks are engineered for light truck and SUV suspension control using a high-pressure gas design that supports damping efficiency. Part number 911533 is listed with a limited lifetime warranty on the applicable fitment notes shown above.