{"product_id":"w11814182-dishwasher-center-wash-arm-assembly","title":"Whirlpool Dishwasher Center Wash Arm Assembly W11814182, Replaces W11174340, W11545334, W11789943","description":"\u003cstyle\u003e\n.xp{font-family:Arial,Helvetica,sans-serif;color:#1b1b1b;line-height:1.5;max-width:1100px;margin:auto}.xp *{box-sizing:border-box}.xp .hero{position:relative;overflow:hidden;border-radius:12px;padding:22px 28px;margin-bottom:18px;color:#fff;background:#111;isolation:isolate}.xp .hero:before{content:\"\";position:absolute;inset:0;z-index:-2;background:url('https:\/\/cdn.shopify.com\/s\/files\/1\/0897\/7783\/2225\/files\/4444444444444444.png?v=1777040489') center\/cover no-repeat}.xp .hero:after{content:\"\";position:absolute;inset:0;z-index:-1;background:linear-gradient(135deg,rgba(0,0,0,.86) 55%,rgba(0,0,0,.45))}.xp .label{display:inline-block;background:#e60000;color:#fff;font-weight:800;font-size:11px;letter-spacing:.05em;padding:6px 10px;border-radius:20px;margin-bottom:9px}.xp .hero h2{font-size:clamp(22px,3vw,34px);line-height:1.1;margin:0 0 8px;color:#fff!important}.xp .hero p{margin:0;color:#fff!important}.xp .specs{display:flex;flex-wrap:wrap;gap:7px;margin-top:10px}.xp .specs span{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.25);padding:5px 8px;border-radius:7px;font-size:12px;font-weight:700}.xp h2{font-size:27px;margin:28px 0 10px;color:#111}.xp .grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:12px;margin:16px 0}.xp .card{border:1px solid #ddd;border-radius:10px;padding:16px;background:#fff}.xp .card strong{display:block;color:#e60000;margin-bottom:3px}.xp ul,.xp ol{padding-left:22px}.xp li{margin:6px 0}.xp .tip{border-left:5px solid #e60000;background:#f6f6f6;padding:16px 18px;border-radius:9px;margin:22px 0}.xp .note{font-size:14px;color:#444;background:#fafafa;border:1px solid #e5e5e5;border-radius:9px;padding:14px}@media(max-width:640px){.xp .hero{padding:19px}.xp .hero h2{font-size:24px}.xp h2{font-size:24px}}\n\u003c\/style\u003e\n\n\u003cdiv class=\"xp\"\u003e\n\n\u003csection class=\"hero\"\u003e\n\u003cdiv class=\"label\"\u003ePoor Cleaning or Uneven Water Distribution\u003c\/div\u003e\n\u003ch2\u003eW11814182 Whirlpool Center Wash Arm for KitchenAid and Maytag Dishwashers, Fixes Poor Cleaning or Uneven Water Distribution\u003c\/h2\u003e\n\u003cp\u003eCurrent OEM replacement for W11174340, W11545334, and W11789943 — mounts beneath the upper rack and distributes pressurized wash water across the dish load.\u003c\/p\u003e\n\u003cdiv class=\"specs\"\u003e\n\u003cspan\u003ePart W11814182\u003c\/span\u003e\n\u003cspan\u003eReplaces W11545334, W11174340, W11789943\u003c\/span\u003e\n\u003cspan\u003eKitchenAid \/ Maytag \/ Whirlpool \/ JennAir\u003c\/span\u003e\n\u003cspan\u003eCentre Wash Arm \u0026amp; Manifold Assembly\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003cp\u003e\u003cstrong\u003eW11814182\u003c\/strong\u003e is the current genuine Whirlpool dishwasher centre wash-arm and manifold assembly. It replaces discontinued Whirlpool part numbers \u003cstrong\u003eW11174340, W11545334, and W11789943\u003c\/strong\u003e when fitment is confirmed by the appliance model number. The assembly mounts beneath the upper rack and rotates during the wash cycle — pressurized water travels through the manifold and spray openings to distribute wash water across dishes in the upper and centre areas of the dishwasher.\u003c\/p\u003e\n\n\u003ch2\u003eIs This the Right Part?\u003c\/h2\u003e\n\n\u003cdiv class=\"grid\"\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cstrong\u003ePart Number\u003c\/strong\u003eW11814182 (current OEM)\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cstrong\u003eReplaces\u003c\/strong\u003eW11174340, W11545334, W11789943\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cstrong\u003eManufacturer\u003c\/strong\u003eWhirlpool Corporation\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cstrong\u003eAppliance Type\u003c\/strong\u003eDishwasher\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cp\u003eConfirm the complete model number before ordering. Similar-looking wash-arm assemblies may use different mounting clips, feed connections, or dimensions. Inspect the filter, sump, circulation pump, feed tube, and spray openings before replacing the manifold.\u003c\/p\u003e\n\n\u003ch2\u003eCommon Symptoms\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003ePoor upper-rack cleaning — dishes coming out with food residue after a full cycle\u003c\/li\u003e\n\u003cli\u003eUneven water coverage across the dish load\u003c\/li\u003e\n\u003cli\u003eSpray arm not rotating correctly during the wash cycle\u003c\/li\u003e\n\u003cli\u003eWater leaking at the manifold connection point\u003c\/li\u003e\n\u003cli\u003eArm repeatedly detaching from the rack\u003c\/li\u003e\n\u003cli\u003eWeak wash action in part of the dishwasher\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCheck Before Replacing\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003eClean the dishwasher filter and sump — a restricted filter reduces water flow and mimics manifold failure\u003c\/li\u003e\n\u003cli\u003eInspect spray arm openings for mineral blockage — clear with a toothpick or fine wire before replacing the assembly\u003c\/li\u003e\n\u003cli\u003eConfirm the circulation pump is operating normally — a failed pump produces identical symptoms\u003c\/li\u003e\n\u003cli\u003eCheck the upper-rack feed tube for cracks or disconnection — a damaged feed tube prevents water from reaching the centre arm\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cdiv class=\"tip\"\u003e\n\u003cstrong\u003ePro Tip:\u003c\/strong\u003e Poor cleaning may also result from a restricted filter, low water level, failed circulation pump, damaged feed tube, blocked sump, diverter problem, or improper dish loading — not only a failed wash-arm manifold. Confirm the assembly is cracked, blocked, detached, or damaged before ordering a replacement. Hard water mineral scale is a leading cause of manifold blockage — run a citric acid descale cycle monthly to extend the life of the new assembly.\n\u003c\/div\u003e\n\n\u003ch2\u003ePart Details\u003c\/h2\u003e\n\n\u003cdiv class=\"grid\"\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cstrong\u003ePart Type\u003c\/strong\u003eCentre Wash Arm \u0026amp; Manifold Assembly\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cstrong\u003ePrimary Function\u003c\/strong\u003eRotates beneath the upper rack and distributes pressurized wash water through spray openings across the dish load. Does not generate water pressure — distributes water supplied by the circulation system.\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cstrong\u003eKey Feature\u003c\/strong\u003eCurrent OEM replacement — direct fit for W11174340, W11545334, W11789943; no modification required\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cstrong\u003eCondition\u003c\/strong\u003eOEM — Genuine Whirlpool\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\n\u003col\u003e\n\u003cli\u003eDisconnect electrical power and shut off the water supply before servicing.\u003c\/li\u003e\n\u003cli\u003eRemove the lower dish rack and unscrew the lower spray arm to access the manifold assembly.\u003c\/li\u003e\n\u003cli\u003ePhotograph the mounting clip positions and feed connection before disassembly.\u003c\/li\u003e\n\u003cli\u003eCompare the new assembly with the original before installation — confirm mounting clips and feed connection match.\u003c\/li\u003e\n\u003cli\u003eRun a short cycle and inspect for leaks at all connection points before returning to normal use.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003cp\u003eSkill level: Moderate — 20–35 minutes. Use a qualified technician when diagnosis or installation is outside your experience.\u003c\/p\u003e\n\n\u003ch2\u003eVerified Compatible Models\u003c\/h2\u003e\n\n\u003cp class=\"note\"\u003eJDPSS246LM1, KDFE204KBL0, KDFE204KBS0, KDFE204KPS0, KDFE204KWH0, KDFM404KBS0, KDFM404KPS0, KDPM604KBS0, KDPM604KPS0, KDPM704KPS0, KDPM804KBS0, KDPM804KPS0, KDTE204KBL0, KDTE204KBS0, KDTE204KPS0, KDTE204KWH0, KDTM404KBS0, KDTM404KPS0, KDTM604KBS0, KDTM604KPS0, KDTM704KPS0, KDTM804KBS0, KDTM804KPS0, KDTM804KPS1, KDTM804KPS3, MDB4949SKB0, MDB4949SKB1, MDB4949SKW0, MDB4949SKZ0, MDB7959SKZ0, MDB8959SKB0, MDB8959SKK0, MDB8959SKW0, MDB8959SKZ0, MDB9959SKZ0, MDB9979SKZ0\u003c\/p\u003e\n\n\u003cp class=\"note\"\u003e\u003cstrong\u003eFitment reminder:\u003c\/strong\u003e Match the complete model number, including suffixes and revision digits, before ordering. Also fits select JennAir and affiliated-brand dishwashers — \u003ca href=\"\/pages\/contact\"\u003econtact us to verify your model\u003c\/a\u003e before ordering.\u003c\/p\u003e\n\n\u003c\/div\u003e\n\u003ch2\u003e✓ Model-Specific Repair Pages\u003c\/h2\u003e\n\u003cdiv class=\"model-link-grid\"\u003e\n  \u003ca href=\"\/pages\/whirlpool-dishwasher-kdtm804kps3-parts\" style=\"display:inline-block;border:1px solid #cc0000;border-radius:20px;padding:5px 14px;font-size:13px;color:#cc0000;text-decoration:none;margin:4px;\"\u003eWhirlpool KDTM804KPS3 Dishwasher Parts \u0026amp; Repair Guide\u003c\/a\u003e\n  \u003ca href=\"\/pages\/whirlpool-dishwasher-kdtm804kps1-parts\" style=\"display:inline-block;border:1px solid #cc0000;border-radius:20px;padding:5px 14px;font-size:13px;color:#cc0000;text-decoration:none;margin:4px;\"\u003eWhirlpool KDTM804KPS1 Dishwasher Parts \u0026amp; Repair Guide\u003c\/a\u003e\n  \u003ca href=\"\/pages\/whirlpool-dishwasher-kdtm804kps0-parts\" style=\"display:inline-block;border:1px solid #cc0000;border-radius:20px;padding:5px 14px;font-size:13px;color:#cc0000;text-decoration:none;margin:4px;\"\u003eWhirlpool KDTM804KPS0 Dishwasher Parts \u0026amp; Repair Guide\u003c\/a\u003e\n  \u003ca href=\"\/pages\/whirlpool-dishwasher-kdtm804kbs0-parts\" style=\"display:inline-block;border:1px solid #cc0000;border-radius:20px;padding:5px 14px;font-size:13px;color:#cc0000;text-decoration:none;margin:4px;\"\u003eWhirlpool KDTM804KBS0 Dishwasher Parts \u0026amp; Repair Guide\u003c\/a\u003e\n  \u003ca href=\"\/pages\/whirlpool-dishwasher-kdtm704kps0-parts\" style=\"display:inline-block;border:1px solid #cc0000;border-radius:20px;padding:5px 14px;font-size:13px;color:#cc0000;text-decoration:none;margin:4px;\"\u003eWhirlpool KDTM704KPS0 Dishwasher Parts \u0026amp; Repair Guide\u003c\/a\u003e\n  \u003ca href=\"\/pages\/whirlpool-dishwasher-kdtm604kps0-parts\" style=\"display:inline-block;border:1px solid #cc0000;border-radius:20px;padding:5px 14px;font-size:13px;color:#cc0000;text-decoration:none;margin:4px;\"\u003eWhirlpool KDTM604KPS0 Dishwasher Parts \u0026amp; Repair Guide\u003c\/a\u003e\n  \u003ca href=\"\/pages\/whirlpool-dishwasher-kdtm604kbs0-parts\" style=\"display:inline-block;border:1px solid #cc0000;border-radius:20px;padding:5px 14px;font-size:13px;color:#cc0000;text-decoration:none;margin:4px;\"\u003eWhirlpool KDTM604KBS0 Dishwasher Parts \u0026amp; Repair Guide\u003c\/a\u003e\n  \u003ca href=\"\/pages\/whirlpool-dishwasher-kdtm404kps0-parts\" style=\"display:inline-block;border:1px solid #cc0000;border-radius:20px;padding:5px 14px;font-size:13px;color:#cc0000;text-decoration:none;margin:4px;\"\u003eWhirlpool KDTM404KPS0 Dishwasher Parts \u0026amp; Repair Guide\u003c\/a\u003e\n  \u003ca href=\"\/pages\/whirlpool-dishwasher-kdtm404kbs0-parts\" style=\"display:inline-block;border:1px solid #cc0000;border-radius:20px;padding:5px 14px;font-size:13px;color:#cc0000;text-decoration:none;margin:4px;\"\u003eWhirlpool KDTM404KBS0 Dishwasher Parts \u0026amp; Repair Guide\u003c\/a\u003e\n  \u003ca href=\"\/pages\/whirlpool-dishwasher-kdte204kwh0-parts\" style=\"display:inline-block;border:1px solid #cc0000;border-radius:20px;padding:5px 14px;font-size:13px;color:#cc0000;text-decoration:none;margin:4px;\"\u003eWhirlpool KDTE204KWH0 Dishwasher Parts \u0026amp; Repair Guide\u003c\/a\u003e\n  \u003ca href=\"\/pages\/whirlpool-dishwasher-kdte204kps0-parts\" style=\"display:inline-block;border:1px solid #cc0000;border-radius:20px;padding:5px 14px;font-size:13px;color:#cc0000;text-decoration:none;margin:4px;\"\u003eWhirlpool KDTE204KPS0 Dishwasher Parts \u0026amp; Repair Guide\u003c\/a\u003e\n  \u003ca href=\"\/pages\/whirlpool-dishwasher-kdte204kbs0-parts\" style=\"display:inline-block;border:1px solid #cc0000;border-radius:20px;padding:5px 14px;font-size:13px;color:#cc0000;text-decoration:none;margin:4px;\"\u003eWhirlpool KDTE204KBS0 Dishwasher Parts \u0026amp; Repair Guide\u003c\/a\u003e\n  \u003ca href=\"\/pages\/whirlpool-dishwasher-kdte204kbl0-parts\" style=\"display:inline-block;border:1px solid #cc0000;border-radius:20px;padding:5px 14px;font-size:13px;color:#cc0000;text-decoration:none;margin:4px;\"\u003eWhirlpool KDTE204KBL0 Dishwasher Parts \u0026amp; Repair Guide\u003c\/a\u003e\n  \u003ca href=\"\/pages\/whirlpool-dishwasher-kdpm804kps0-parts\" style=\"display:inline-block;border:1px solid #cc0000;border-radius:20px;padding:5px 14px;font-size:13px;color:#cc0000;text-decoration:none;margin:4px;\"\u003eWhirlpool KDPM804KPS0 Dishwasher Parts \u0026amp; Repair Guide\u003c\/a\u003e\n  \u003ca href=\"\/pages\/whirlpool-dishwasher-kdpm804kbs0-parts\" style=\"display:inline-block;border:1px solid #cc0000;border-radius:20px;padding:5px 14px;font-size:13px;color:#cc0000;text-decoration:none;margin:4px;\"\u003eWhirlpool KDPM804KBS0 Dishwasher Parts \u0026amp; Repair Guide\u003c\/a\u003e\n  \u003ca href=\"\/pages\/whirlpool-dishwasher-kdpm704kps0-parts\" style=\"display:inline-block;border:1px solid #cc0000;border-radius:20px;padding:5px 14px;font-size:13px;color:#cc0000;text-decoration:none;margin:4px;\"\u003eWhirlpool KDPM704KPS0 Dishwasher Parts \u0026amp; Repair Guide\u003c\/a\u003e\n  \u003ca href=\"\/pages\/whirlpool-dishwasher-kdpm604kps0-parts\" style=\"display:inline-block;border:1px solid #cc0000;border-radius:20px;padding:5px 14px;font-size:13px;color:#cc0000;text-decoration:none;margin:4px;\"\u003eWhirlpool KDPM604KPS0 Dishwasher Parts \u0026amp; Repair Guide\u003c\/a\u003e\n  \u003ca href=\"\/pages\/whirlpool-dishwasher-kdpm604kbs0-parts\" style=\"display:inline-block;border:1px solid #cc0000;border-radius:20px;padding:5px 14px;font-size:13px;color:#cc0000;text-decoration:none;margin:4px;\"\u003eWhirlpool KDPM604KBS0 Dishwasher Parts \u0026amp; Repair Guide\u003c\/a\u003e\n  \u003ca href=\"\/pages\/whirlpool-dishwasher-kdfm404kps0-parts\" style=\"display:inline-block;border:1px solid #cc0000;border-radius:20px;padding:5px 14px;font-size:13px;color:#cc0000;text-decoration:none;margin:4px;\"\u003eWhirlpool KDFM404KPS0 Dishwasher Parts \u0026amp; Repair Guide\u003c\/a\u003e\n  \u003ca href=\"\/pages\/whirlpool-dishwasher-kdfm404kbs0-parts\" style=\"display:inline-block;border:1px solid #cc0000;border-radius:20px;padding:5px 14px;font-size:13px;color:#cc0000;text-decoration:none;margin:4px;\"\u003eWhirlpool KDFM404KBS0 Dishwasher Parts \u0026amp; Repair Guide\u003c\/a\u003e\n  \u003ca href=\"\/pages\/whirlpool-dishwasher-kdfe204kwh0-parts\" style=\"display:inline-block;border:1px solid #cc0000;border-radius:20px;padding:5px 14px;font-size:13px;color:#cc0000;text-decoration:none;margin:4px;\"\u003eWhirlpool KDFE204KWH0 Dishwasher Parts \u0026amp; Repair Guide\u003c\/a\u003e\n  \u003ca href=\"\/pages\/whirlpool-dishwasher-kdfe204kps0-parts\" style=\"display:inline-block;border:1px solid #cc0000;border-radius:20px;padding:5px 14px;font-size:13px;color:#cc0000;text-decoration:none;margin:4px;\"\u003eWhirlpool KDFE204KPS0 Dishwasher Parts \u0026amp; Repair Guide\u003c\/a\u003e\n  \u003ca href=\"\/pages\/whirlpool-dishwasher-kdfe204kbs0-parts\" style=\"display:inline-block;border:1px solid #cc0000;border-radius:20px;padding:5px 14px;font-size:13px;color:#cc0000;text-decoration:none;margin:4px;\"\u003eWhirlpool KDFE204KBS0 Dishwasher Parts \u0026amp; Repair Guide\u003c\/a\u003e\n  \u003ca href=\"\/pages\/whirlpool-dishwasher-kdfe204kbl0-parts\" style=\"display:inline-block;border:1px solid #cc0000;border-radius:20px;padding:5px 14px;font-size:13px;color:#cc0000;text-decoration:none;margin:4px;\"\u003eWhirlpool KDFE204KBL0 Dishwasher Parts \u0026amp; Repair Guide\u003c\/a\u003e\n  \u003ca href=\"\/pages\/whirlpool-dishwasher-jdpss246lm1-parts\" style=\"display:inline-block;border:1px solid #cc0000;border-radius:20px;padding:5px 14px;font-size:13px;color:#cc0000;text-decoration:none;margin:4px;\"\u003eWhirlpool JDPSS246LM1 Dishwasher Parts \u0026amp; Repair Guide\u003c\/a\u003e\n\u003c\/div\u003e","brand":"XPart Supply Ltd.","offers":[{"title":"OEM","offer_id":51028565229857,"sku":"W11545334","price":70.95,"currency_code":"CAD","in_stock":true},{"title":"Used","offer_id":51028565262625,"sku":"W11545334","price":28.95,"currency_code":"CAD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0897\/7783\/2225\/files\/W11545334_Dishwasher_Manifold_KitchenAid_Maytag_Water_Distribution_Fix.png?v=1785885640","url":"https:\/\/xpartsupply.com\/products\/w11814182-dishwasher-center-wash-arm-assembly","provider":"XPart Supply Ltd.","version":"1.0","type":"link"}