Lippert Components 643921 Solera Regal Awning Idler Cover, BlackAwning Idler Cover; Solera; For Use With Regal Awnings; Back Cover; Black The replacement Solera RV Awning Plain Idler Head Back Cover is durable and easy to install. It's made from sturdy plastic to protect the idler head assembly from outside elements and debris. The Plain Drive Head Front Cover is universal for all Solera Plain Power and Manual Idler Head assemblies including short, flat and pitched. The replacement Plain Idler Head Back Cover