New EMP Stainless Steel Propellers for Mercury & Mariner Outboards

OBParts offers EMP stainless steel outboard propellers engineered for exceptional durability, performance, and compatibility. Featuring interchangeable hub designs for seamless fit across 40–140 HP (4¼″ gearcase) and 115 HP+ (4¾″ gearcase) outboards, these propellers deliver superior strength and precise performance. Sourced from high-quality materials, such as ASTM A89-4A duplex stainless steel, and polished for reduced friction, each prop undergoes 3D laser scanning and pitch analysis for accuracy and reliability. Backed by expert support and fast shipping, EMP propellers are ideal for boaters seeking speed, longevity, and efficiency.