Monroe Shocks & Struts Suspension Shock Absorber P/N:5821
Keep your work truck riding stable and controlled with the Monroe Magnum Front Suspension Shock Absorber 66653, a gas-charged shock built for the demands of class 3-6 commercial vehicles. It installs in the front position as a direct-fit replacement for a wide range of medium-duty applications, including the 2016-2024 Chevrolet LCF 4500, 2016-2023 Chevrolet LCF 3500 and 1986-2020 Isuzu NPR — see the "Vehicles it fits" section for the full list.
Designed for high-mileage and severe-use service, the Magnum shock helps reduce excessive vibration when worn-out units are replaced. Covered by Monroe's 90-day Risk Free Ride Offer and Limited Commercial Warranty.
Product information is for general reference and may contain errors. See our Disclaimer.
What position does this shock absorber fit?
The Monroe Magnum 66653 is a front suspension shock absorber for the listed class 3-6 commercial vehicles. Check the "Vehicles it fits" section to confirm the application for your truck.
Is this shock gas-charged?
Yes. It uses a nitrogen gas charge that helps maintain tire-to-road contact for improved ride and handling by reducing aeration and shock fade.
What vehicles does the 66653 fit?
It fits many medium-duty trucks and buses, including the 2016-2024 Chevrolet LCF 4500, 2016-2023 Chevrolet LCF 3500 and 1986-2020 Isuzu NPR. See the "Vehicles it fits" section for the full list.
How do I know when my shocks need replacing?
Signs a shock may need replacing include excessive vibration, a rough or bouncy ride, and reduced handling control. If a worn shock is the cause, this unit replaces it.
Should I replace shocks in pairs?
Replacing shocks as an axle pair is recommended for balanced, even ride control. This listing is for one shock absorber; order the quantity your vehicle requires.
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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.