Genuine GM Indicator Part# - 12580811 Genuine Oem:Yes, Category 2:Engine, Superseded Part Number:12576496, Part Ref# On Diagram:ONLY PART REFERENCE #20 ON THE DIAGRAM I Brand:GM, Fitment Type:Direct Replacement, Other Part Number:12576496, Quantity Needed:1 Manufacturer Part Number:12580811, Category 3:Engine Parts, Item Name:Dipstick, Category 1:Engine