Amazon.com: TOPDC 4 Prong Dryer Cord, 30 AMP Appliance Power Cord 5 Feet, Wires in 4 Colors with O Ring Terminal Connectors, Pure Copper Wire : Tools & Home Improvement
3 Prong to 4 Prong Dryer Plug Adapter - 10/4 STW 1.5 Ft Black Outlet Adapter for Dryer - NEMA 10-30R to 14-30P - Walmart.com
Amazon.com: General Electric WX09X10020 4 Wire 30amp Dryer Cord, 6-Feet : Appliances
Utilitech 6-ft 4-Prong Black Dryer Appliance Power Cord in the Appliance Power Cords department at Lowes.com
How to Correctly Wire a 4-Wire Cord in an Electric Dryer Terminal Block - YouTube