Piston Selection

WARNING: This page is about a different car, the 2012 Ford Pickup. However, it is still accessible from the selected car via links, so may be relevant.

3.5L, 3.7L and 5.0L (4V) Engines

Engines are equipped with a single grade size piston.
6.2L (2V) Engines

NOTE: The cylinder bore must be within the specifications for taper and out-of-round before fitting a piston.
Select a piston size based on the cylinder bore.

Fig 1: Identifying Cylinder Bore Specifications
Courtesy of FORD MOTOR CO.

NOTE: For precision fit, new pistons are divided into 3 categories within each size range based on their relative position within the range. A paint spot or specific size grade on a new piston indicates the position within the size range.

Fig 2: Locating Piston Paint Color Or Specific Size Grade

Courtesy of FORD MOTOR CO.

Choose the piston with the correct paint color or specific size grade.
- Refer to the appropriate Engine information for the procedure.