Before revision: upFront subframe of a Vauxhall Vectra on display in Bedford Museum A subframe is a structural component of a vehicle, such as an automobile or an aircraft, that uses a discrete, separate structure within a larger body-on-frame or unit body to carry certain components , such as the engine , drivetrain, or suspension.
After revision: upFront subframe of a Vauxhall Vectra on display in Bedford Museum A subframe is a structural component of a vehicle, such as an automobile or an aircraft, that uses a discrete, separate structure within a larger body-on-frame or unibody to carry specific components like the powertrain , drivetrain, and suspension.