Parts & Accessories Spare parts For sale: 2015 GMC Sierra, fully loaded Color: Black Mileage: 291,000 (may increase) Specifications: 4WD, collision warning radar, lane departure warning, front and rear sensors, remote start, hill descent and ascent, and all known features. Additions: 40,000 BTU transmission cooler, hood lights, traction control and ABS, bed light switch, internal LED lighting. Mechanical information: Engine: Mounts have been replaced due to the known issue, and the oil pump and column have been replaced as a precaution. Transmission: Good condition and the oil has been changed to amsoil type. The rear differential and transfer case oil have been changed to amsoil type. Body: In good condition but has some scratches and modifications (explained in the photos). Part of the inner fender has been sprayed where the modification was made, and part of the interior pillar as well.