3500 4x4 Pickup L6-359 5.9L DSL Turbo (1996)
Engine Oil: Fluid Type Specifications
Engine Oil
API Classification ........................................................................................................................................................... CC/CD-SF, CD/SF, CE/SF, CE/SG
Above -12° C (10° F) ................................................................................................................................................................................................ 15W-40
Between -18° C (0° F) and -1° C (30° F) .................................................................................................................................................................. 10W-30
Below -18° C (0° F) (With Block Heater) ................................................................................................................................................................. 10W-30
Below -18° C (0° F) (Without Block Heater) .............................................................................................................................................. Synthetic 5W-30
Note:
Max sulfated ash content of 1.85% mass is recommended for all oil in this engine.