{"product_id":"whirlpool-defrost-heater-assembly-w11575359-genuine-oem","title":"Whirlpool Defrost Heater Assembly W11575359 – Genuine OEM","description":"\u003cstyle\u003e\n.hero-banner{position:relative;background:linear-gradient(135deg,rgba(0,0,0,0.82) 60%,rgba(0,0,0,0.45) 100%),url('https:\/\/cdn.shopify.com\/s\/files\/1\/0897\/7783\/2225\/files\/4444444444444444.png?v=1777040489') center\/cover no-repeat;padding:36px 32px;border-radius:8px;margin:0 0 28px 0;color:#fff;}\n.hero-banner h2{margin:0 0 6px 0;font-size:1.55em;font-weight:900;letter-spacing:0.3px;}\n.hero-banner .label{display:inline-block;background:#c8a400;color:#000;font-size:0.72em;font-weight:800;text-transform:uppercase;letter-spacing:1px;padding:3px 10px;border-radius:3px;margin-bottom:12px;}\n.hero-specs{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px;}\n.hero-specs span{background:rgba(255,255,255,0.13);border:1px solid rgba(255,255,255,0.25);border-radius:4px;padding:5px 13px;font-size:0.82em;font-weight:700;letter-spacing:0.3px;}\n.pro-tip{background:#1a1a2e;border-left:4px solid #c8a400;padding:16px 20px;border-radius:6px;margin:24px 0;color:#f0f0f0;font-size:0.95em;line-height:1.6;}\n.pro-tip strong{color:#c8a400;}\n.upsell-box{background:#ffecd1;border-left:4px solid #ff9800;padding:14px 18px;margin:20px 0;border-radius:6px;}\n\u003c\/style\u003e\n\n\u003c!-- HERO BANNER --\u003e\n\u003cdiv class=\"hero-banner\"\u003e\n  \u003cdiv class=\"label\"\u003eGenuine OEM Replacement Part\u003c\/div\u003e\n  \u003ch2\u003eWhirlpool Defrost Heater Assembly W11575359 – Genuine OEM\u003c\/h2\u003e\n  \u003cdiv class=\"hero-specs\"\u003e\n    \u003cspan\u003ePart# W11575359\u003c\/span\u003e\n    \u003cspan\u003eFits Whirlpool\u003c\/span\u003e\n    \u003cspan\u003eFits Maytag\u003c\/span\u003e\n    \u003cspan\u003eFits KitchenAid\u003c\/span\u003e\n    \u003cspan\u003eFits Amana\u003c\/span\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003c!-- H1 --\u003e\n\u003ch1\u003eRefrigerator Not Defrosting? Defrost Heater Assembly W11575359 – Fix Frost Buildup Fast\u003c\/h1\u003e\n\n\u003c!-- INTRO --\u003e\n\u003cp\u003e\u003cstrong\u003eFrost accumulating on your evaporator coils is almost always caused by a failed defrost heater assembly.\u003c\/strong\u003e In most Whirlpool-built refrigerators, the defrost heater runs on a timed cycle to melt frost off the coils — when it fails, frost builds up unchecked, airflow is blocked, and the refrigerator loses its ability to cool. \u003cstrong\u003e⚡ Common failure point in Whirlpool, Maytag, KitchenAid, and Amana refrigerators.\u003c\/strong\u003e \u003cstrong\u003ePart W11575359\u003c\/strong\u003e is the genuine OEM replacement that restores the automatic defrost cycle and returns your refrigerator to full cooling performance.\u003c\/p\u003e\n\n\u003c!-- IS THIS THE RIGHT PART? --\u003e\n\u003ch3\u003e❓ Is This the Right Part?\u003c\/h3\u003e\n\u003cp\u003eThis is the correct fix if ALL of the following are true:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e✔ Refrigerator powers on and compressor runs normally\u003c\/li\u003e\n  \u003cli\u003e✔ Freezer fan and condenser fan operate correctly\u003c\/li\u003e\n  \u003cli\u003e✔ Defrost timer and defrost thermostat have been tested and confirmed OK\u003c\/li\u003e\n  \u003cli\u003e✔ No error codes pointing to a control board or sensor fault\u003c\/li\u003e\n  \u003cli\u003e✔ ONLY problem is frost buildup on evaporator coils and loss of cooling\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eNot sure? \u003ca href=\"\/pages\/contact\"\u003eSend us your model number\u003c\/a\u003e — we'll confirm before you order.\u003c\/p\u003e\n\n\u003c!-- COMMON SYMPTOMS --\u003e\n\u003ch3\u003e🔧 Common Symptoms\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e❄️ Heavy frost or ice buildup on the back wall of the freezer — most common, what customers Google\u003c\/li\u003e\n  \u003cli\u003e🌡️ Refrigerator not cooling or struggling to maintain set temperature\u003c\/li\u003e\n  \u003cli\u003e🔇 Defrost cycle not running automatically\u003c\/li\u003e\n  \u003cli\u003e💧 Water pooling under crisper drawers or on the floor\u003c\/li\u003e\n  \u003cli\u003e🔊 Unusual sounds from the freezer compartment (fan hitting ice)\u003c\/li\u003e\n  \u003cli\u003e⚠️ Warm fridge, frozen freezer — classic blocked-airflow pattern\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e✔ If these symptoms match, this is the most likely failed component in the system.\u003c\/p\u003e\n\u003cp\u003e✔ In most cases, replacing this defrost heater assembly restores normal operation immediately.\u003c\/p\u003e\n\n\u003c!-- PART DETAILS --\u003e\n\u003ch3\u003e📦 Part Details\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e W11575359\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Defrost Heater Assembly — genuine OEM, direct-fit replacement\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReplaces:\u003c\/strong\u003e OEM direct-fit defrost heater assembly — no modification required\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrands:\u003c\/strong\u003e Whirlpool, Maytag, KitchenAid, Amana\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003c!-- UPSELL BOX --\u003e\n\u003cdiv class=\"upsell-box\"\u003e\n  \u003cstrong\u003e⚠️ Recommended While Repairing:\u003c\/strong\u003e\u003cbr\u003e\n  With the evaporator panel already removed, replace the defrost thermostat (thermal limiter) at the same time — these two components work together and often fail in sequence. Doing both now saves a second disassembly and ensures the full defrost system is restored.\n\u003c\/div\u003e\n\n\u003c!-- INSTALLATION --\u003e\n\u003ch3\u003e⚙️ Installation\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eSkill Level: Moderate — 45–75 minutes.\u003c\/strong\u003e Disconnect power before beginning. Remove freezer contents, shelving, and the evaporator cover panel to access the heater assembly. If heavy ice buildup is present, allow the freezer to fully defrost manually before replacing the part. After installation, test continuity with a multimeter before reassembling the panel.\u003c\/p\u003e\n\n\u003c!-- PRO TIP --\u003e\n\u003ch3\u003e💡 Pro Tip\u003c\/h3\u003e\n\u003cdiv class=\"pro-tip\"\u003e\n  \u003cstrong\u003eReplace the Defrost Thermostat While You're In There:\u003c\/strong\u003e\u003cbr\u003e\n  The defrost thermostat (thermal limiter) and defrost heater are a system — one rarely fails without stressing the other. Replacing both during the same repair eliminates the most common cause of repeat defrost failures and keeps your refrigerator running reliably for years. It's a $15–$25 part that saves a $150+ service call.\n\u003c\/div\u003e\n\n\u003c!-- HUB PAGE LINKS --\u003e\n\u003cp style=\"margin-top:28px;font-size:0.9em;color:#555;\"\u003e\u003cstrong\u003eModel Hub Pages:\u003c\/strong\u003e \u003ca href=\"\/pages\/whirlpool-wrf535swhz\"\u003eWRF535SWHZ\u003c\/a\u003e, \u003ca href=\"\/pages\/whirlpool-wrf535swhv\"\u003eWRF535SWHV\u003c\/a\u003e, \u003ca href=\"\/pages\/whirlpool-wrf535swhw\"\u003eWRF535SWHW\u003c\/a\u003e, \u003ca href=\"\/pages\/whirlpool-wrs325sdhz\"\u003eWRS325SDHZ\u003c\/a\u003e, \u003ca href=\"\/pages\/whirlpool-wrs321sdhz\"\u003eWRS321SDHZ\u003c\/a\u003e, \u003ca href=\"\/pages\/whirlpool-wrs588fihz\"\u003eWRS588FIHZ\u003c\/a\u003e, \u003ca href=\"\/pages\/whirlpool-wrs571cihz\"\u003eWRS571CIHZ\u003c\/a\u003e, \u003ca href=\"\/pages\/whirlpool-wrx735sdhz\"\u003eWRX735SDHZ\u003c\/a\u003e, \u003ca href=\"\/pages\/whirlpool-wrf767sdhz\"\u003eWRF767SDHZ\u003c\/a\u003e, \u003ca href=\"\/pages\/whirlpool-wrf954cihz\"\u003eWRF954CIHZ\u003c\/a\u003e, \u003ca href=\"\/pages\/maytag-mfi2570fez\"\u003eMFI2570FEZ\u003c\/a\u003e, \u003ca href=\"\/pages\/maytag-mft2772hez\"\u003eMFT2772HEZ\u003c\/a\u003e, \u003ca href=\"\/pages\/kitchenaid-krfc300ess\"\u003eKRFC300ESS\u003c\/a\u003e, \u003ca href=\"\/pages\/kitchenaid-krff507ess\"\u003eKRFF507ESS\u003c\/a\u003e\u003c\/p\u003e\n\u003ch2\u003e✓ Model-Specific Repair Pages\u003c\/h2\u003e\n\u003cdiv class=\"model-link-grid\"\u003e\n  \u003ca href=\"\/pages\/kitchenaid-refrigerator-parts-canada\" style=\"display:inline-block;border:1px solid #cc0000;border-radius:20px;padding:5px 14px;font-size:13px;color:#cc0000;text-decoration:none;margin:4px;\"\u003eREFRIGERATOR\u003c\/a\u003e\n\u003c\/div\u003e","brand":"Whirlpool","offers":[{"title":"Default Title","offer_id":52697211109665,"sku":"W11575359","price":95.18,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0897\/7783\/2225\/files\/W11575359_R01_C05_cf3248b6-1ce8-4138-93a4-377d9324f669.avif?v=1778899710","url":"https:\/\/xpartsupply.com\/products\/whirlpool-defrost-heater-assembly-w11575359-genuine-oem","provider":"XPart Supply Ltd.","version":"1.0","type":"link"}