Product Feature: . Applicable Model: The 621957 refrigerator burner orifice replacement part is compatible with N6, N8, N1095, 600, 6000, 900, and 9000 models. Fit for Norcold RV refrigerator models Including 652, 662, 663, 682, 683, 962, 963, 982, 6052, 6053, 6062, 6082, 6162, 6182, 9162, 9163, 9182, N610, N611, N621, N622, N641, N810, N811, N821, N841, N842, N843, N1095, NX611, NX641, NX811, NX841, NXA641, NXA841. . Direct Replacement: This 621957 Burner/ Orifice Assembly with orifice adapter, replaces for Norcold #621957, also known as for NBK part number 20367. .