RDS 51 Gallon Transfer Tank & Toolbox Combo Bright Aluminum 50X20X19 Model # 71789 Drawers & Doors Westin Brute 96" Contractor Topsider Highway Products 82 Bed Westin Brute 96" Contractor Topsider W Drawers & Doors Model 80 TBS200 96D BD This DÜHA Underseat Storage System is custom designed to fit specific Y M M crew cab trucks and will NOT fit extended cab models this tank can be used for fueling equipment but can also be used as an auxiliary tank to supply additional capacity to the main fuel tank on your truck This DOT approved aluminum transfer tank will not rust or corrode and the heavy duty design will ensure years of hassle free use