Piston MN195611 for Mitsubishi 1.5L 4A90 / 4A91 Engines

The piston assembly for the Mitsubishi 4A91 1.5L engine features a standard design with a bore of 75.0 mm and a stroke of 84.8 mm, typically featuring a compression ratio of 10.5:1. These cast alloy pistons are specifically engineered for 16-valve DOHC (Double Overhead Camshaft) engine applications and are commonly paired with a piston ring set measuring 1.0 mm × 0.8 mm × 2.0 mm—a set typically identified by the OEM part number MN195611.