Parts & Accessories Spare parts Used original GMC rear shoulders The rear car pillars (D-Pillar Molding Trim) or rear window corners. These parts are part of the exterior body of GMC Yukon, Chevrolet Tahoe, and Suburban for models between 2000 and 2006. +1 Part Details: Function: Used as a cosmetic cover for the rear pillars (D-Pillar) and also serves as external air vents in some designs. Material: Usually made of high-quality ABS plastic resistant to impact and heat. Compatibility: This part is compatible with several General Motors models including: GMC Yukon and Yukon XL. Chevrolet Tahoe and Suburban (1500/2500). Contact / (Mobile number appears when you press the contact button)