Fab Fours Premium Rear Sensor Bumper Model DR19 W4451 1 Toyota Style Under Bed Truck Box 560201jdb Style Under Bed Truck Box Lock System 3 Point Latch Install Time (hours) 1 Material Aluminum Color Aluminum Construction Heavy Duty Welded Durability Maximum Key Alike On Request Latch Mechanism Latch Lid Construction Heavy Duty C Channel Reinforced Lid Profile Single Mounting Location Under Bed Opening Type Single Lid Security Extreme Warranty Limited Lifetime Weather Strip Memory Resistant D Shaped Ribbed Latch Yes Powder Coat Finish Yes UPC 783965042017 DIMENSIONS This replacement center pin is for the CURT A20 5th wheel hitch #16140 And Operating Conditions Are All Variables That Will Influence Functionality Of The Sensors Sensor Sensitivity