[PREMIUM QUALITY]: New & High-Quality parts, but quality is the same as the Standards. Design improved for more durability, Stable. Pretty easy to snap into place. Perfect match and Good Choice for Direct replacement of parts and Fixes the Refrigerator following symptoms: Leaking, Freezer not defrosting, Fridge too warm, Freezer section too warm.[REPLACES PART NUMBER]: Manufacturer Part Number: 4387503. Replaces Part Numbers:4387503 2149641, 2149643, 2163894, 2172694, 2182380, 2183072, 2221677, 4343917, 586213, 61002113, AH371255, EA371255, PS371255, R0950042, WP4387503, LP11940.[COMPATIBLE BRAND]: Compatible with the following : Whirlpool, Sears, , Roper, Estate, KitchenAid, Amana, Jenn Air, Magic Chef, and . Fit models: 3ET22DKXYN00, 3ET22DKXYW00, 3ET22RKXZW00, 3HKGN500000, 3HKGN500001, 3HKGN500002, 3VET19ZKAW00, 3VET19ZKAW01, 3VET19ZKBW00, 3VET21DKAW00, 3VET21DKBW00, 3VET23DKAW00, 3VET23DKBW00, 3VET23DKDW00, 3XARG457WP00, 3XARG457WP01, 3XARG475WP00, 3XARG475WP01, 3XARG475WP02, 3XARG495WP00, 3XKVN510000, 3XKVN510001, 4ET18ZKXAW00, 4ET18ZKXBN00.[FIT MODELS]:2ET18GMXJW00, 3ET16NKXBG00, 3ET16NKXBN00, 3ET16NKXBW00, 3ET18DKXAN00, 3ET18DKXAN01, 3ET18DKXAW00, 3ET18DKXAW01, 3ET18DKXBN00, 3ET18DKXBW00, 3ET18DKXXN00, 3ET18DKXXN01, 3ET18DKXXW00, 3ET18DKXXW01, 3ET18RKXYN00, 3ET18RKXYW00, 3ET18RKXYW01, 3ET18ZKXAN00, 3ET18ZKXAN01, 3ET18ZKXAW00, 3ET18ZKXAW01, 3ET18ZKXBN00, 3ET18ZKXBW00, 3ET22DKXAN00, 3ET22DKXAW00, 3ET22DKXBN00, 3ET22DKXBN02, 3ET22DKXBW00, 3ET22DKXBW02, 3ET22DKXDN00, 3ET22DKXDN01, 3ET22DKXDW00, 3ET22DKXDW01, 3ET22DKXWN00.Colour: silverMaterial: metalPackage Contents:1 * Refrigerator Defrost ThermostatOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.