K 1500 Suburban 4WD V8-4.8L VIN V (2003)
Engine Oil: Fluid Type Specifications
Engine Oil
API Classification ......................................................................................................................................................................... Look for Starburst Symbol
Above -18° C (0° F) ................................................................................................................................................................... 10W-30, 5W-30 (preferred)
Below -18° C (0° F) .................................................................................................................................................................................................... 5W-30