Smooth out the ride and keep your tires planted with the Monroe OESpectrum Suspension Shock Absorber 5906, a front-position damper built to restore factory-level ride control on the 1963-1982 Chevrolet Corvette, 1977-1996 Cadillac Commercial Chassis, 1977-1984 Cadillac Fleetwood, 1992-1996 Buick Roadmaster and 1994-1996 Chevrolet Impala — see the Buyer's Guide tab for engine-level details. Designed to help return a vehicle's original drivability while filtering out noise, vibration and harshness, it delivers handling precision and control.
- Twin Technology Active Control System: works to isolate impact-related noise, vibration and harshness while delivering control under most driving conditions.
- Full displaced valving: tuned to the vehicle and paired with a larger bore for more efficient, consistent damping.
- PTFE-banded piston: provides consistent sealing between the piston and pressure tube for better control and added durability.
- Nitrogen gas charge & OE all-weather fluid: helps maintain tire-to-road contact by reducing aeration and shock fade, with additives to help resist oil breakdown in extreme temperatures.
A self-lubricating fluid seal retains gas and reduces friction against the piston rod. Sold individually; replacing both shocks on the same axle as a matched pair is recommended for balanced ride control. Backed by Monroe's Limited Lifetime Warranty and Feel the Difference Guarantee.
Frequently Asked Questions
What is the Monroe 5906 and what does it do?
It's an OESpectrum front suspension shock absorber that dampens spring and suspension movement to help control ride motion, handling and NVH, working to restore factory-level drivability.
Which vehicles does the 5906 fit?
It's a front-position fit for the 1963-1982 Chevrolet Corvette, 1977-1996 Cadillac Commercial Chassis, 1977-1984 Cadillac Fleetwood, 1992-1996 Buick Roadmaster and 1994-1996 Chevrolet Impala. See the Buyer's Guide tab.
Do I need to replace both front shocks at once?
They're sold individually, so this listing is for one. Replacing both shocks on the same axle as a matched pair is recommended for balanced, even ride control.
What are signs a shock absorber may need replacing?
Common signs include a bouncy or floaty ride, excessive body movement, nose dive when braking, uneven tire wear, or fluid leaking from the shock body. Diagnose the cause before replacing.
Is the 5906 a gas-charged shock?
Yes. It uses a nitrogen gas charge that helps maintain tire-to-road contact by reducing aeration and shock fade for a more consistent ride and handling.
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