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Made in USA
This differential cover is on special because we no longer make differential covers with this fin pattern or in the polish finish.
Check before ordering: The level check and fill hole must be on the differential housing. This cover does NOT have a level check or fill hole. This cover is about 3.2 inches deep.
This cover includes a magnetic drain plug and new mounting bolts. GM used 4 different bolts on these differentials. This cover will include replacement bolts for the stock metric 8mm-1.25x21mm bolts. If your differential has standard bolts or bolts with a different length, contact PML when ordering.
This part is in the polish finish. Polished sand cast aluminum parts are never perfect. Examples of the polish finish on this cover are pictured below. Read about the Finishes and Construction before ordering.
For reference, PML part number 10815 is similar and for the same differential: GM 8.5, 8.6 Rear, Horizontal Fins
This is sold as-is and cannot be returned.
Top down view of differential cover.
Inside of differential cover.
Small pit in finish revealed during polishing.
Rough finish near bolt holes
