2023-2026 Ford Super Duty F450/550/600 DANA M315 Heavy-Duty Cast-Aluminum Rear Differential Cover - Black - Pacific Performance Engineering - 338052420

FEATURES

Premium A356.0-T6 heat-treated cast aluminum alloy - a high-strength, thermally conductive material

Precision-cast using permanent steel molds for a smooth, consistent finish and high dimensional accuracy

Increases oil capacity by 0.8 quart for higher thermal capacity

Half-inch external fins improve heat dissipation, lower differential fluid temperature, and increase impact resistance

Precision-placed internal windage scrapers prevent excessive churning, reducing heat generation, fluid aeration, and power loss

External fins and internal scrapers work together to form an ultra-strong Cross-Bracing structure

Cast-in gussets for additional differential housing flange support and increased rigidity

304 Stainless steel service plugs with built-in high temperature rated neodymium magnets and Viton O-rings

Cast-Aluminum Rear Differential Cover

Excessive heat can degrade the protective qualities of differential fluid, leading to accelerated wear of gears and bearings. In limited-slip differentials, constant high temperatures can break down clutch packs and friction modifiers, resulting in reduced efficiency and compromised traction control. Cast from high-grade A356.0-T6 aluminum alloy, the PPE differential cover adds 0.8 quart of fluid capacity and features half-inch external cooling fins for long-lasting heat management and performance.

Built-in windage scrapers inside the PPE cover ensure precise fluid distribution around the gears. By reducing excessive fluid churning, these scrapers lower heat buildup and minimize parasitic loss, promoting more efficient power transfer. Together with the vertical external fins, they form a strong cross-bracing structure that improves load distribution and enhances impact resistance.

The fill plug is precisely positioned at the factory level. Both the fill and drain plugs feature a powerful, high-temperature-rated neodymium magnet that captures ferrous particles for added protection.

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