For the JEEP Grand Cherokee II (WJ, WG) 2.7 CRD 4x4 Diesel 163 hp, the carmaker recommends using engine oils of the following grades: 5W-30, 10W-40, 5W-40. For the JEEP Grand Cherokee II (WJ, WG) 2.7 CRD 4x4 Diesel 163 hp, the manufacturer recommends using engine oils with the following specifications: ACEA C3, ACEA A3/B4, API SN. 8g7Kpt.