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A removable Plug which screws into the housing and allows an access point to fill the Differential with fluid. Differential Cover Plug. Location-Engine Block. Plug that prevents the Engine Block or cylinder head from cracking in case of freezing coolant. Also used to Plug the casting holes from production. Cover. Engine Core. Engine Expansion. Engine Freeze. Engine Welch. Housing Fill. Oil pan drain. SCREW. Differential Cover PlugEngine Expansion PlugDifferential Housing Fill Plug
Fits A4, A6, A8, Q7, R8, RS6, S4, S5, S6, S8DIESEL, 2013-15.
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6972 US Hwy. 72 W., Huntsville, AL, 35806-1726