ATI 43 Gallon Diesel Rectangle Auxiliary Tank Bright Aluminum Model # AUX43R 48 Gallon Full Yes Weather Seal Yes 4 2024 Chevrolet Silverado Full Yes Weather Seal Yes Chevrolet Silverado 1500 Yes Chevrolet Silverado 2500 3500 Yes Ford F 150 Yes Ford F 250 F 350 Yes GMC Sierra 1500 Yes GMC Sierra 2500 3500 Yes Nissan Titan Yes RAM 1500 Yes Toyota Tundra Yes RAM 2500 3500 Yes Bed Length 5 ft 6 in Yes Bed Length 5 ft 7 in Yes Bed Length 5 ft 8 in Yes Bed Length 6 ft Yes Bed Length 6 ft 1 in Yes Bed Length 6 ft 2 in Yes Bed Length 6 ft 4 in Yes Bed Length 6 ft 5 in Yes Bed Length 6 ft 6 in Yes Bed Length 6 ft 7 in Yes Bed Length 8 ft Yes Low Profile DesignUltra sleek frame allows clearance under tonneaus Increased Pressure: Without adequate space for vapor pressure buildup can damage the tank or connected systems