Rod, Piston And Connecting: Description
WARNING: This page is about a different car, the 2017 RAM ProMaster 3500, 2017 RAM ProMaster 2500, and 2017 RAM ProMaster 1500. However, it is still accessible from the selected car via links, so may be relevant.
The piston (1) are of a free floating design. The piston crown contains a swirl chamber. Oil jets in the engine block lubricate and cool the piston and piston pin (2) assembly. The connecting rod have a pressed in place wrist pin bushing (4). The wrist is held on place by a two snap rings (3). The connecting rod bearing caps (5) have cracked mating surfaces and are not interchangeable.
Engine type (1), category selection (2) and supplier (3) are engraved on the piston crown; the piston installation direction is engraved in the cylinder liner (4).