Billet Oil Pump Cover & Filter Boss - Hemi

The Milodon Billet Oil Pump Cover & Filter Boss for Hemi is a precision-engineered aluminum component designed to replace the factory oil pump cover and filter mounting point on Mopar 426 Hemi engines. Black anodized for corrosion resistance and durability, this billet oil pump cover maintains the stock oil filter location while upgrading to a premium aftermarket solution that enhances both aesthetics and reliability in high-performance and classic car applications.

Machined from billet aluminum and anodized in black, this oil pump cover provides superior strength and corrosion resistance compared to cast iron originals. The design preserves the stock oil filter location, eliminating the need for expensive custom plumbing or filter relocation kits. The smooth, finished surface of billet construction also offers a cleaner engine bay appearance for restoration projects and show vehicles. Weighing 2.15 lbs, the component is lightweight yet rigid enough to handle engine vibration and thermal cycling without flex or oil seepage.

This billet oil pump cover is ideal for enthusiasts rebuilding or upgrading Mopar 426 Hemi engines in classic muscle cars, hot rods, and period-correct restorations. It serves builders who want to retain stock filter access and routing while upgrading to higher-quality materials that resist corrosion better than original castings. The billet construction also appeals to buyers prioritizing a finished, professional appearance in engine compartments visible at shows or during ownership.

Oil pump covers for classic American V8 engines are critical in maintaining proper lubrication system function and preventing leaks that compromise engine health. Mopar Hemi engine rebuilds benefit from quality aftermarket components that match original fitment while offering modern material advantages. Billet aluminum has become the standard upgrade for serious engine work because it tolerates temperature swings and vibration better than aged factory castings.