Monroe 37284 Shock Absorber - Rear

Monroe OESpectrum Rear Shock for Toyota Sienna

Monroe OESpectrum Light Truck Shock Absorber 37284 is built for rear suspension service on select Toyota Sienna models. It is engineered to restore factory-style drivability while improving handling control and reducing noise, vibration, and harshness.

Key Features

• Rear suspension shock absorber for select Toyota Sienna applications
• OESpectrum Light Truck line focused on OE-style ride control
• Helps filter road noise, vibration, and harshness
• Dust shield included with plastic dust shield material
• Stem upper mount with special lower mounting type
• Extended length: 26.51 in; compressed length: 16.05 in; travel length: 10.46 in

Product Details

Monroe OESpectrum Light Truck Shock Absorber 37284 is designed for rear suspension replacement on Toyota Sienna vans where original ride quality and control matter. The OESpectrum line is Monroe’s OE-focused shock absorber family for light trucks and vans, built to deliver precise damping response while helping isolate harshness from the cabin. This part cross-references KYB (e.g., 344308, 344480) for the same application.

Compatible With 2011-2020 Toyota Sienna, rear, without Mobility Auto Access; Recommended OE application-specific replacement. Compatible With 2004-2010 Toyota Sienna, rear, 7 Passenger; Recommended OE application-specific replacement. Part number 37284 is a direct-fit rear shock option for these listed Toyota Sienna configurations.

Common Issues This Part Addresses

• Excessive rear-end bounce over bumps
• Reduced handling stability in the rear suspension
• Harsh ride feel from worn shock absorbers
• Noise and vibration transmitted through the chassis
• Uneven damping response during normal driving

Installation Notes and Tips

Verify the vehicle’s rear suspension configuration before ordering, since fitment differs between 2004-2010 7 Passenger models and 2011-2020 models without Mobility Auto Access. Confirm the upper stem mount and special lower mount match the original shock before installation. Inspect surrounding suspension components, mounting points, and bushings for wear before replacing the shock absorber.

Quality Assurance

Monroe OESpectrum shocks are built as OE-style replacement components for light truck and van applications, with a focus on restoring factory drivability and control. Part number 37284 is engineered to meet the listed Toyota Sienna fitments and support consistent rear suspension performance.