2018 Chevrolet Silverado 2500 Engine: 5.3L V8 FLEX;. 2018 Chevrolet Silverado 2500 Engine: 5.3L V8 GAS;. 2011 Chevrolet Silverado 2500 Engine: 4.8L V8 FLEX; With Threaded Filler Neck;. 2011 Chevrolet Silverado 2500 Engine: 5.3L V8 FLEX; With Threaded Filler Neck;.
