Parts & Accessories Spare parts Used clean electric rear shock absorber. The part is GM 84176675 and fits the electronic air suspension rear shock absorber in large General Motors vehicles. The most popular models that use it are: • Cadillac Escalade • Cadillac Escalade ESV • Chevrolet Tahoe (models equipped with magnetic and air suspension) • Chevrolet Suburban • GMC Yukon • GMC Yukon XL Contact via WhatsApp.