Genuine GM 88940288 Seat Cushion Heater Genuine Oem:Yes, Category 2:Body Electrical, Fitment Footnotes:Diag Ref #21, Other Part Number:88940332, 88940291, 88940913, Quantity Needed:1 Brand:GM, Fitment Type:Direct Replacement, Seat Cushion:Seat Cushion, Item Name:Element, Category 1:Electrical Manufacturer Part Number:88940288, Category 3:Heated Seats, Superseded Part Number:88940332, Part Ref# On Diagram:ONLY PART REFERENCE #21 ON THE DIAGRAM I