Melling Oil Pump – M503

Oil Pump; With Timing Cover Assembly;

Melling oil pump timing cover assemblies provide dependable performance every time in every application. Every Melling oil pump timing cover assembly is engineered and assembled to the highest production standards from high quality materials. All Melling oil pumps use the latest in gear and gerotor technology to provide the highest level of quality and performance. Gears are machined to close tolerances to ensure proper engine pressure and correct, efficient pump operation. End plates are precision ground for maximum wear resistance. Every Melling oil pump timing cover assembly is individually tested for pressure and flow under conditions designed to duplicate actual engine operating conditions.

• Standard Volume
• Standard Pressure
• Includes Crankshaft Seal
• Cast Aluminum Front Cover
• Includes 5 Installation O Rings.

From Melling’s first M-10 oil pump built with remarkable care and detail for a 1937 six cylinder Chevrolet – Melling’s business has steadily expanded. In 1948 Melling issued its first catalog containing 14 part numbers. Today Melling offers over 350 oil pumps, 80 repair kits and 170 oil pump screens along with an expanded internal engine parts line. From setting the bar for cutting edge oil pump technology with high volume and high pressure oil pumps to being the first nationally recognized aftermarket supplier of new replacement camshafts Melling’s reputation continues to grow.