Take on tough truck duty with the KYB MonoMax High Pressure Monotube Gas Strut (MPN 5640006), a front suspension strut engineered for hard-working GM trucks. It fits the 2014-2018 Chevrolet Silverado 1500, 2019 Chevrolet Silverado 1500 LD, 2014-2018 GMC Sierra 1500, and 2019 GMC Sierra 1500 Limited — see the Buyer's Guide tab for engine-level details. Its extended-length body and higher spring seat raise the front end for a level appearance, with no additional spacer needed, and can lift the truck up to 2".
- Large-bore MonoMax build: a heavy-duty monotube designed to add stability for heavier, more powerful, or high-center-of-gravity vehicles.
- Up to 40% more damping: KYB rates it for up to 40% more damping performance than standard shocks and struts, with a design that adjusts to driving conditions for fade-free performance.
- Zinc-coated stainless steel piston ring: provides a positive seal in the most extreme conditions.
- Safety-system aware: engineered to help vehicles equipped with electronic safety systems such as ESC and ABS.
Built for trucks that do real work — off-roading, towing a trailer, or hauling heavy loads.
Frequently Asked Questions
What position does this strut fit?
It is a front suspension strut for the listed GM trucks.
Will this strut lift my truck?
KYB states its extended-length body and higher spring seat can raise the front end up to 2" for a level appearance, with no additional spacer needed.
Which vehicles does MPN 5640006 fit?
The 2014-2018 Chevrolet Silverado 1500, 2019 Silverado 1500 LD, 2014-2018 GMC Sierra 1500, and 2019 Sierra 1500 Limited. Check the Buyer's Guide tab to confirm your vehicle.
How much damping does the MonoMax provide?
KYB rates the MonoMax for up to 40% more damping performance than standard shocks and struts, with a design that adjusts to driving conditions.
Should I replace struts in pairs?
This listing is for one strut. Replacing both sides on the same axle together as a matched set is recommended for balanced handling.
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