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The aFe differential cover oil level sight glass provides a clear, inline porthole to visually monitor differential fluid so you don’t guess on level and risk costly repairs. It’s offered as an upgrade for aFe Power Raw or Street Series differential covers and installs into a 1 in x 11.5 NPTF port. The sight glass gives a simple, immediate check of fluid without disassembly.
aFe POWER Differential Cover Oil Level Sight Glass
