Description
Heavy-Duty Cast Aluminum Front Differential Cover — GM 2500/3500HD 6.0L/6.6L 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 .75 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 excessiv
Fitment
- 2011-2026 GM HD 12-Bolt Heavy-Duty Cast Aluminum Front Differential Cover
- Confirm axle, transmission, and year/engine against the PPE listing before ordering: https://ppepower.com/products/front-differential-cover-heavy-duty-cast-aluminum-gm
Details
- Manufacturer: Pacific Performance Engineering (PPE)
- Base part / primary SKU: 138041000
- Finish options: Black, Brushed, Raw
- Condition: New
- Prices match PPE published retail on ppepower.com at listing time (not labeled as MAP).
Available finishes
- Raw — SKU 138041000 — $239.99 — 5.5 lb
- Brushed — SKU 138041010 — $259.99 — 5.5 lb
- Black — SKU 138041020 — $259.99 — 5.5 lb
Questions about fitment? Call the Ducky Fuel Injection team at 479-799-3953 before you order.
