OER Parts offers a wide selection of Brake Components for your 1989 GMC Safari. OER Parts offers 1989 GMC Safari Calipers, 1989 GMC Safari OE Calipers, 1989 GMC Safari Performance Calipers, 1989 GMC Safari Front Calipers, 1989 GMC Safari Rear Calipers, 1989 GMC Safari Anodized Calipers, 1989 GMC Safari Powder Coated Calipers, 1989 GMC Safari Wilwood Calipers, 1989 GMC Safari 4-Piston Calipers, 1989 GMC Safari Aluminum Calipers, and 1989 GMC Safari Cast Iron Calipers.