aFe Power Rear Differential Cover for Chevy C6 Cast Aluminum with Sight Glass

aFe Power Rear Differential Cover for Chevy C6 — Cast Aluminum with Sight Glass Upgrade protection, cooling, and serviceability for your Chevy C6 rear differential with the aFe Power Pro Series cast aluminum cover. Engineered for strength and thermal performance, this cover replaces the factory unit to deliver improved durability, more efficient heat dissipation, and easier maintenance. Precision cast aluminum construction: Durable lightweight design with reinforced ribs for increased rigidity and impact resistance. Advanced cooling fins: Machined external and internal fins transfer heat from gear oil to ambient air, helping reduce operating temperatures and extend fluid life. Integrated sight glass: Built-in oil level sight glass lets you quickly verify fluid level without removing the cover. Service-friendly features: Magnetic drain plug captures metal particles; included 1/8" NPT calibration plug set to factory level prevents overfilling. Complete installation kit: Black powdercoat finish for corrosion resistance and styling, plus all necessary hardware for a straightforward swap. Ideal for daily drivers, tow rigs, and performance builds, the aFe Power Rear Differential Cover for Chevy C6 combines form and function to protect your axle while improving cooling and ease of maintenance.