B&M 71504 Hi-Tek Aluminum Differential Cover – Black – GM 8.875" 12-Bolt Truck

Enhance the performance and durability of your GM 8.875" 12-bolt truck differential with the B&M 71504 Hi-Tek Aluminum Differential Cover. Crafted from A356.0-T6 aluminum, this cover offers superior heat dissipation compared to standard steel covers, ensuring optimal operating temperatures even under high-stress conditions. Its reinforced center bar and load bolts provide additional support to the bearing caps, preventing deflection during severe loads. The finned design not only adds strength but also increases fluid capacity by 0.5 quarts, promoting better lubrication and cooling of internal components.​

Key Features:

• Material: High-quality A356.0-T6 aluminum construction for enhanced strength and heat dissipation.​

• Design: Finned exterior with a reinforced center bar and load bolts to prevent bearing cap deflection.​

• Finish: MIL-Spec black anodized coating for corrosion resistance and sleek appearance.​

• Capacity: Additional 0.5-quart fluid capacity for improved lubrication.​

• Maintenance: Magnetic drain plug for easy servicing and capturing of ferrous metal particles.​

• Installation: Includes all necessary hardware and detailed instructions for straightforward installation.​

Note: Gasket not included; please purchase separately.

📦 Specifications:

🚗 Vehicle Fitment:

The B&M 71504 Differential Cover is compatible with GM trucks and SUVs equipped with the 8.875" 12-bolt rear differential. This includes various models from Chevrolet and GMC spanning from the mid-1960s to the early 1980s.​

Compatible Models Include:

• Chevrolet C10, C20, K10, K20, Blazer, Suburban (various trims)​

• GMC C15, C25, K15, K25, Jimmy, Suburban (various trims)​

• Chevrolet and GMC G-Series Vans​

​Please verify axle type and vehicle specifications before purchase to ensure proper fitment.