Monroe 66456 Suspension Shock Absorber - Rear

Monroe Magnum Shock Absorber 66456 Overview

The Monroe Magnum Shock Absorber 66456 is a gas-charged suspension shock absorber for class 3-6 vehicles. It is built to deliver quicker response and a steadier ride while replacing worn shock units that can contribute to vibration, tire wear, and added operating cost.

For fleet maintenance and heavy-duty service, Monroe Magnum shocks are a practical choice when you need consistent damping performance on demanding roads. This Monroe 66456 shock absorber is also cross-referenced to Monroe Shocks & Struts W8005816 for the same application.

Key Features

• Gas-charged design for faster suspension response
• Dust shield included for added protection
• Compressed length: 15.34 in.
• Extended length: 23.74 in.
• Travel length: 8.4 in.
• Upper mount: loop bushing and sleeve mount, 1/2 in. sleeve ID x 38.1 mm sleeve OAL
• Lower mount: loop bushing and sleeve mount, 1/2 in. sleeve ID x 1.5 in. sleeve OAL

Detailed Description

Monroe Magnum Shock Absorber 66456 is part of the Magnum Shock Absorber line, a Monroe product line focused on heavy-duty suspension control for class 3-6 vehicles. The gas-charged construction helps the shock react quickly to road inputs, which supports a more stable and comfortable ride under load and during frequent stop-and-go operation. If you are servicing a Monroe Magnum shock absorber application on a work truck or commercial chassis, part number 66456 provides the mounting dimensions and travel range needed for a direct suspension replacement.

Compatible With select heavy-duty vehicle applications, this Monroe 66456 shock absorber is a fitment-specific suspension component. Use the listed mounting style and dimensions to confirm application details before ordering. Monroe 66456 is a strong match for buyers searching for a Monroe Magnum shock absorber for commercial suspension service, including Monroe Magnum shock absorber replacement for class 3-6 vehicles and Monroe 66456 heavy-duty shock absorber applications.

What It Helps Address

• Excessive vibration from worn shock absorbers
• Unstable ride quality on commercial-duty suspension systems
• Premature tire wear linked to poor damping control
• Downtime caused by suspension wear in fleet service
• Higher cost per mile from neglected shock replacement

Installation Notes and Tips

Verify compressed length, extended length, travel length, and both mounting styles before installation. Confirm that the upper and lower loop bushing and sleeve mounts match the vehicle’s suspension points, and compare sleeve dimensions to the original part. For best results, inspect related suspension components for wear before installing the new shock absorber.

Quality Assurance

Monroe positions the Magnum line for hard-working commercial applications, with gas-charged damping and protective dust shielding to support dependable service in class 3-6 vehicle use. Part number 66456 is built to the published dimensions and mounting configuration for application-specific replacement.