Keep your heavy-duty hauler planted and firm through every load with the Monroe Gas-Magnum Suspension Shock Absorber 34810, a front-position shock engineered for full-size trucks and vans. It installs as a direct-fit front replacement for applications including the 2011-2024 Chevrolet Silverado 2500 HD and 3500 HD, the 2014-2018 Chevrolet Silverado 2500, the 2011-2013 and 2015-2018 Chevrolet Silverado 3500, and the 2011-2024 GMC Sierra 2500 HD and 3500 HD — see the Buyer's Guide tab for the full list and engine details.
- Firm control, no harsh ride: full-displaced valving on the compression cycle is designed to deliver controlled ride and handling for hardworking trucks and vans.
- Built to last: heavy-duty nitrocarburized rod (non-dust shield units only) and a sintered iron piston enhance durability, while a self-lubricating fluid seal reduces friction against the rod.
- Bigger capacity: a larger bore and 2-in. reserve tube hold more oil — up to twice the fluid capacity of standard 1-in. bore shocks — to help the shock work efficiently.
- Nitrogen gas-charge: helps maintain tire-to-road contact by reducing aeration and shock fade for improved ride and handling.
OE all-weather fluid handles temperature extremes, and it's backed by Monroe's Limited Lifetime Warranty and Feel the Difference Guarantee. Sold individually; replace both front sides as a matched pair for balanced control.
Frequently Asked Questions
What does this shock absorber do?
It dampens front suspension movement to control ride and handling, using nitrogen gas-charge and valving to help maintain tire-to-road contact by reducing aeration and shock fade.
Is this a front or rear shock?
The Gas-Magnum 34810 is a front suspension shock absorber for the listed trucks. See the Buyer's Guide tab to confirm the correct position for your vehicle.
Which vehicles does it fit?
It fits applications like the 2011-2024 Chevrolet Silverado 2500 HD and 3500 HD, 2014-2018 Silverado 2500, 2011-2013 and 2015-2018 Silverado 3500, and 2011-2024 GMC Sierra 2500 HD and 3500 HD.
Should I replace shocks in pairs?
Replacing both front shocks together as a matched pair is recommended for balanced, even ride control. This listing is for one shock, sold individually.
What are signs my shock may need replacing?
Excessive bouncing, poor ride control, nose-diving under braking, or uneven tire wear may indicate worn shocks. Diagnose the cause before replacing.
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