Part Type: A/C Accumulator. Notes: Vehicle w/ Rear AC; w/ Dual Outlet on Accumulator. Type: Accumulator. 2000 GMC Yukon Engine: 4.8L V8; Vehicle w/ Rear AC; w/ Dual Outlet on Accumulator;. 2000 GMC Yukon Engine: 5.3L V8; Vehicle w/ Rear AC; w/ Dual Outlet on Accumulator;.