Jenn-Air Element and Excalibur Grill Grates and Lava Rock Panels NEW Posted on 23 March, 2024 in jenn-air Jenn-Air Element and Excalibur Grill Grates and Lava Rock Panels NEW. Burner 17″ x 8″. 11 3/4″ x 9 5/8″ each Grates and Grid. Burner has Maycor #14004013 marked on it. Share « JennAir 27 Floating Glass Double Wall Oven Jenn Air WW27210P, FREIGHT SHIPPING OEM Jenn-Air Oven Control 8507P009-60 5-Year Warranty? Free Same Day Shipping »