2014-2018 GMC Sierra Engine & Transmission Mounts

Engine mounts in the 2014–2018 GMC Sierra Engine & Transmission Mounts category help keep your powertrain securely planted, which is critical when you’re putting power down or driving aggressively. Polyurethane options cut down unwanted movement while still offering some compliance, while solid mounts eliminate flex entirely for hard launches and maximum control at the cost of increased vibration.

 

Mount materials give you a choice between rubber options that stay compliant for comfort or polyurethane designs that add firmness and better control. Design types also vary, with OEM-replacement mounts maintaining factory-like ride quality and performance-focused versions allowing more controlled engine movement when you’re driving aggressively.

 

Upgraded motor mounts keep your engine from twisting and shifting under hard acceleration, which helps prevent driveline vibration and sloppy shifts caused by everything flexing and binding, especially on higher-power builds where soft factory rubber mounts get overwhelmed. While stiffer mounts do transfer more vibration into the chassis, finding the right balance between control and NVH is important if you daily drive the truck rather than use it strictly for work. To support a complete build, engine components from 2014-2018 GMC Sierra Engine Components help tie everything together, ECU tuning at 2014-2018 GMC Sierra ECUs & Engine Management Systems unlocks additional power, and engine dressup from 2014-2018 GMC Sierra Engine Dressup cleans up the engine bay.