aFe Power's new rear differential cover brings performance engineering to the protection of your axle's differential. This differential cover is constructed out of durable cast aluminum with reinforcing ribs for maximum strength and comes with all necessary hardware for easy installation. Pro Series differential covers include an oil level sight glass and magnetic deep reach fill plug. This cover is finished with black powder-coating and machined fins for a distinctive look.. Built-in Internal/External Fins: Built-in internal and external fins transfer heat from the oil to the outside air for maximum cooling.. Magnetic Plugs: This cover incorporates a magnetic drain and deep reach fill plug to capture loose particles for maximum protection.. Increased Oil Capacity: This cover has an increased oil capacity over stock for better performance over a longer duration.. Pro Series AAM 9.5/9.76 Rear Differential Cover Black w/ Machined Fins GM Silverado/Sierra 1500 14-23 (AAM 9.5/9.76). When it comes to engineering for power, performance, protection and value, aFe Power is the only choice.. Oil Level Sight Glass: A pre-installed oil level sight glass allows quick and easy oil inspection.. aFe Power Pro Series AAM 9.5/9.76 Rear Diff Cover Black w/Mach Fins 14-19 GM Silverado/Sierra 1500. Calibration Plug: Calibration plug set to the factory oil level to eliminate overfilling.. This item will only fit models equipped with AAM 9.5/9.76-12 Bolt Rear Axle. Pro Series AAM 9.5/9.76 Rear Differential Cover Black w/ Machined Fins. Calibration Plug Set to Factory Fill Level Eliminates Overfilling. Magnetic Drain and Fill Plugs Capture Loose Particles. Built-In External and Internal Fins Dissipate Heat. Oil Level Sight Glass for Quick/Easy Inspection. Pro Series Differential Cover. Durable Cast Aluminum. Differential Cover

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