Steady the ride on your hardworking commercial rig with the Monroe Magnum Suspension Shock Absorber 66628, a gas-charged unit built for the demands of high-mileage, severe-use class 3-6 trucks and buses. It serves the front and rear positions and installs as a direct-fit replacement across a broad list of medium-duty applications, including the 1993-1998 Chevrolet B7, 1997-2009 Chevrolet C6500 Kodiak, 1990-2009 Isuzu FTR, 2000-2011 Isuzu FVR, 1993-2005 Kenworth K300, 2001-2003 Peterbilt 270 and many more — see the Buyer's Guide tab for the full list and engine details.
Backed by Monroe's 90-day Risk Free Ride Offer and Limited Commercial Warranty.
What does this shock absorber do?
It dampens suspension movement to help control ride motion, reduce excessive vibration, and maintain tire-to-road contact on medium-duty commercial vehicles.
Does the 66628 fit the front or rear?
The catalog lists this Magnum shock for both the front and rear positions. Check the Buyer's Guide tab to confirm the application for your vehicle.
Is this shock gas-charged?
Yes. It uses a nitrogen gas charge that helps reduce aeration and shock fade, supporting quicker response and a more stable, comfortable ride.
What vehicles does it fit?
It fits many class 3-6 trucks and buses, including Chevrolet Kodiak, GMC Topkick, Isuzu FTR/FVR, Kenworth K300 and Peterbilt 270 models. See the Buyer's Guide tab for the full list.
What are signs my shocks may need replacing?
Excessive vibration, a rough or unstable ride, longer stopping distances, or worn units on a high-mileage truck are signs the shocks may need replacement.
WARNING: These products can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
