Whirlpool Refrigerator Model 6WSC21N4YD00 Hose, Tube & Fitting Parts

Copper ice maker water line kit• Includes 15 foot long 1/4 inch diameter copper tubing, piercing type saddle valve, and all necessary hardware

OEM Part - Manufacturer #8003RP

A water filter can also be added inline with the cooper supply line to improve the quality of your ice.