{"product_id":"comet-5019-0703-00-18mm-water-seal-kit-oem-replacement-for-fw-fw2-pressure-washer-pumps","title":"Comet 5019.0703.00 18mm Water Seal Kit – OEM Replacement for FW \u0026 FW2 Pressure Washer Pumps","description":"\u003cdiv class=\"qMYqUG_convSearchResultHighlightRoot\"\u003e\n\u003cdiv class=\"\" data-turn-id-container=\"request-6a41e0a9-6a1c-83ea-8a2f-44e0120c15c3-13\" data-is-intersecting=\"true\"\u003e\n\u003csection class=\"text-token-text-primary w-full focus:outline-none has-data-writing-block:pointer-events-none [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto R6Vx5W_threadScrollVars scroll-mb-[calc(var(--scroll-root-safe-area-inset-bottom,0px)+var(--thread-response-height))] scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" data-turn-id=\"request-6a41e0a9-6a1c-83ea-8a2f-44e0120c15c3-13\" data-turn-id-container=\"request-6a41e0a9-6a1c-83ea-8a2f-44e0120c15c3-13\" data-testid=\"conversation-turn-188\" data-turn=\"assistant\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:var(--thread-content-margin-xs,calc(var(--spacing)*4))] @w-sm\/main:[--thread-content-margin:var(--thread-content-margin-sm,calc(var(--spacing)*6))] @w-lg\/main:[--thread-content-margin:var(--thread-content-margin-lg,calc(var(--spacing)*16))] px-(--thread-content-margin)\"\u003e\n\u003cdiv data-conversation-screenshot-content=\"\" class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col gap-4 grow\"\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"10364536-2907-462b-b296-39c3676a7fc6\" dir=\"auto\" data-message-model-slug=\"gpt-5-5\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal outline-none keyboard-focused:focus-ring [.text-message+\u0026amp;]:mt-1\" data-turn-start-message=\"true\" tabindex=\"0\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert wrap-break-word w-full light markdown-new-styling\"\u003e\n\u003cp data-start=\"0\" data-end=\"208\" class=\"PDq2pG_selectionAnchorContainer\"\u003e\u003cstrong data-start=\"0\" data-end=\"16\"\u003ePart Number:\u003c\/strong\u003e 5019.0703.00\u003cbr data-start=\"29\" data-end=\"32\"\u003e\u003cstrong data-start=\"32\" data-end=\"45\"\u003eCategory:\u003c\/strong\u003e Pressure Washer Parts → Pump Repair Kits → Water Seal Kits\u003cbr data-start=\"104\" data-end=\"107\"\u003e\u003cstrong data-start=\"107\" data-end=\"116\"\u003eType:\u003c\/strong\u003e Comet 5019.0703.00 18mm Water Seal Kit – OEM Replacement for FW \u0026amp; FW2 Pressure Washer Pumps\u003cspan aria-hidden=\"true\" class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr data-start=\"210\" data-end=\"213\"\u003e\n\u003cp data-start=\"310\" data-end=\"802\"\u003eThe \u003cstrong data-start=\"314\" data-end=\"377\"\u003eComet 5019.0703.00 18mm Water Seal Kit (Part #5019.0703.00)\u003c\/strong\u003e is a genuine OEM replacement repair kit designed for servicing compatible \u003cstrong data-start=\"452\" data-end=\"479\"\u003eComet FW and FW2 Series\u003c\/strong\u003e pressure washer pumps equipped with \u003cstrong data-start=\"516\" data-end=\"542\"\u003e18 mm ceramic plungers\u003c\/strong\u003e. Engineered for \u003cstrong data-start=\"559\" data-end=\"601\"\u003ehot water pressure washer applications\u003c\/strong\u003e, this complete water seal replacement kit restores proper sealing around the plungers, helping maintain operating pressure, reduce internal water bypass, eliminate leaks, and maximize pump efficiency.\u003c\/p\u003e\n\u003chr data-start=\"1436\" data-end=\"1439\"\u003e\n\u003ch1 data-section-id=\"1oef6j8\" data-start=\"1441\" data-end=\"1466\"\u003eKey Features \u0026amp; Benefits\u003c\/h1\u003e\n\u003cul data-start=\"1468\" data-end=\"1964\"\u003e\n\u003cli data-section-id=\"qqahmd\" data-start=\"1468\" data-end=\"1508\"\u003eGenuine Comet OEM 18 mm water seal kit\u003c\/li\u003e\n\u003cli data-section-id=\"1y1hjxr\" data-start=\"1509\" data-end=\"1536\"\u003ePart Number: 5019.0703.00\u003c\/li\u003e\n\u003cli data-section-id=\"15dr6wk\" data-start=\"1537\" data-end=\"1578\"\u003eComplete hot water seal replacement kit\u003c\/li\u003e\n\u003cli data-section-id=\"5lhzl2\" data-start=\"1579\" data-end=\"1639\"\u003eDesigned for Comet FW and FW2 Series pressure washer pumps\u003c\/li\u003e\n\u003cli data-section-id=\"1j70lv\" data-start=\"1640\" data-end=\"1680\"\u003eCompatible with 18 mm ceramic plungers\u003c\/li\u003e\n\u003cli data-section-id=\"1y85qrf\" data-start=\"1681\" data-end=\"1736\"\u003eEngineered for hot water pressure washer applications\u003c\/li\u003e\n\u003cli data-section-id=\"1ibq94f\" data-start=\"1737\" data-end=\"1780\"\u003eRestores proper water sealing performance\u003c\/li\u003e\n\u003cli data-section-id=\"9u62yw\" data-start=\"1781\" data-end=\"1820\"\u003eHelps eliminate internal water bypass\u003c\/li\u003e\n\u003cli data-section-id=\"1s6adsu\" data-start=\"1821\" data-end=\"1871\"\u003eMaintains operating pressure and pump efficiency\u003c\/li\u003e\n\u003cli data-section-id=\"1pkfdvi\" data-start=\"1872\" data-end=\"1924\"\u003eIdeal for pump rebuilds and preventive maintenance\u003c\/li\u003e\n\u003cli data-section-id=\"bros3y\" data-start=\"1925\" data-end=\"1964\"\u003eOEM-quality fit and long service life\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1966\" data-end=\"1969\"\u003e\n\u003ch1 data-section-id=\"zjxypn\" data-start=\"1971\" data-end=\"1997\"\u003eTechnical Specifications\u003c\/h1\u003e\n\u003cp data-start=\"1999\" data-end=\"2028\"\u003e\u003cstrong data-start=\"1999\" data-end=\"2015\"\u003ePart Number:\u003c\/strong\u003e 5019.0703.00\u003c\/p\u003e\n\u003cp data-start=\"2030\" data-end=\"2062\"\u003e\u003cstrong data-start=\"2030\" data-end=\"2047\"\u003eProduct Type:\u003c\/strong\u003e Water Seal Kit\u003c\/p\u003e\n\u003cp data-start=\"2064\" data-end=\"2093\"\u003e\u003cstrong data-start=\"2064\" data-end=\"2081\"\u003eManufacturer:\u003c\/strong\u003e Comet Pumps\u003c\/p\u003e\n\u003cp data-start=\"2095\" data-end=\"2115\"\u003e\u003cstrong data-start=\"2095\" data-end=\"2109\"\u003eSeal Size:\u003c\/strong\u003e 18 mm\u003c\/p\u003e\n\u003cp data-start=\"2117\" data-end=\"2165\"\u003e\u003cstrong data-start=\"2117\" data-end=\"2133\"\u003eApplication:\u003c\/strong\u003e Hot Water Pressure Washer Pumps\u003c\/p\u003e\n\u003cp data-start=\"2167\" data-end=\"2203\"\u003e\u003cstrong data-start=\"2167\" data-end=\"2194\"\u003eCompatible Pump Series:\u003c\/strong\u003e FW \u0026amp; FW2\u003c\/p\u003e\n\u003cp data-start=\"2205\" data-end=\"2229\"\u003e\u003cstrong data-start=\"2205\" data-end=\"2225\"\u003eOEM Replacement:\u003c\/strong\u003e Yes\u003c\/p\u003e\n\u003chr data-start=\"2231\" data-end=\"2234\"\u003e\n\u003ch1 data-section-id=\"1mfbgas\" data-start=\"2236\" data-end=\"2260\"\u003eCompatible Pump Models\u003c\/h1\u003e\n\u003cp data-start=\"2262\" data-end=\"2386\"\u003eDesigned for use with compatible \u003cstrong data-start=\"2295\" data-end=\"2322\"\u003eComet FW and FW2 Series\u003c\/strong\u003e pressure washer pumps equipped with \u003cstrong data-start=\"2359\" data-end=\"2385\"\u003e18 mm ceramic plungers\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"2388\" data-end=\"2513\"\u003eAlways verify your pump model and plunger size before ordering by referencing your owner's manual or pump identification tag.\u003c\/p\u003e\n\u003chr data-start=\"2515\" data-end=\"2518\"\u003e\n\u003ch1 data-section-id=\"bmilrg\" data-start=\"2520\" data-end=\"2552\"\u003eFunction of the Water Seal Kit\u003c\/h1\u003e\n\u003cp data-start=\"2554\" data-end=\"2579\"\u003eThe water seal kit helps:\u003c\/p\u003e\n\u003cul data-start=\"2581\" data-end=\"2785\"\u003e\n\u003cli data-section-id=\"pqu0v\" data-start=\"2581\" data-end=\"2615\"\u003eSeal around the ceramic plungers\u003c\/li\u003e\n\u003cli data-section-id=\"1jwr9ab\" data-start=\"2616\" data-end=\"2652\"\u003eMaintain proper operating pressure\u003c\/li\u003e\n\u003cli data-section-id=\"ko08pq\" data-start=\"2653\" data-end=\"2684\"\u003ePrevent internal water bypass\u003c\/li\u003e\n\u003cli data-section-id=\"zpbbz4\" data-start=\"2685\" data-end=\"2716\"\u003eReduce external water leakage\u003c\/li\u003e\n\u003cli data-section-id=\"18a85ml\" data-start=\"2717\" data-end=\"2742\"\u003eImprove pump efficiency\u003c\/li\u003e\n\u003cli data-section-id=\"nodble\" data-start=\"2743\" data-end=\"2785\"\u003eExtend pressure washer pump service life\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2787\" data-end=\"2929\"\u003eReplacing worn water seals helps restore pressure washer performance while protecting additional internal pump components from premature wear.\u003c\/p\u003e\n\u003chr data-start=\"2931\" data-end=\"2934\"\u003e\n\u003ch1 data-section-id=\"mqxmo4\" data-start=\"2936\" data-end=\"2972\"\u003eCommon Signs Replacement Is Needed\u003c\/h1\u003e\n\u003cp data-start=\"2974\" data-end=\"3015\"\u003eReplace the water seal kit if you notice:\u003c\/p\u003e\n\u003cul data-start=\"3017\" data-end=\"3240\"\u003e\n\u003cli data-section-id=\"l5r3ab\" data-start=\"3017\" data-end=\"3055\"\u003eWater leaking from the pump manifold\u003c\/li\u003e\n\u003cli data-section-id=\"zu24k4\" data-start=\"3056\" data-end=\"3084\"\u003eReduced operating pressure\u003c\/li\u003e\n\u003cli data-section-id=\"1yxcosw\" data-start=\"3085\" data-end=\"3108\"\u003eInternal water bypass\u003c\/li\u003e\n\u003cli data-section-id=\"14z7aub\" data-start=\"3109\" data-end=\"3137\"\u003eWorn or heat-damaged seals\u003c\/li\u003e\n\u003cli data-section-id=\"oo0ju3\" data-start=\"3138\" data-end=\"3158\"\u003eReduced water flow\u003c\/li\u003e\n\u003cli data-section-id=\"18a4h50\" data-start=\"3159\" data-end=\"3209\"\u003ePump rebuild or scheduled preventive maintenance\u003c\/li\u003e\n\u003cli data-section-id=\"1n1a9ox\" data-start=\"3210\" data-end=\"3240\"\u003eReduced cleaning performance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"3242\" data-end=\"3360\"\u003eReplacing worn seals promptly helps prevent damage to ceramic plungers, manifolds, and other critical pump components.\u003c\/p\u003e\n\u003chr data-start=\"3362\" data-end=\"3365\"\u003e\n\u003ch1 data-section-id=\"1547z5u\" data-start=\"3367\" data-end=\"3397\"\u003eInstallation \u0026amp; Service Notes\u003c\/h1\u003e\n\u003cul data-start=\"3399\" data-end=\"3964\"\u003e\n\u003cli data-section-id=\"iv93qe\" data-start=\"3399\" data-end=\"3463\"\u003eShut down the pressure washer and relieve all system pressure.\u003c\/li\u003e\n\u003cli data-section-id=\"1eer1a3\" data-start=\"3464\" data-end=\"3537\"\u003eAllow the pump to cool completely before servicing hot water equipment.\u003c\/li\u003e\n\u003cli data-section-id=\"8gnlw1\" data-start=\"3538\" data-end=\"3616\"\u003eRemove the pump manifold according to the manufacturer's service procedures.\u003c\/li\u003e\n\u003cli data-section-id=\"tf463v\" data-start=\"3617\" data-end=\"3692\"\u003eCarefully remove the existing water seals and related sealing components.\u003c\/li\u003e\n\u003cli data-section-id=\"vafbtq\" data-start=\"3693\" data-end=\"3733\"\u003eClean all sealing surfaces thoroughly.\u003c\/li\u003e\n\u003cli data-section-id=\"uebyer\" data-start=\"3734\" data-end=\"3828\"\u003eInspect ceramic plungers, high-pressure seals, O-rings, and the manifold for wear or damage.\u003c\/li\u003e\n\u003cli data-section-id=\"1cvcrm6\" data-start=\"3829\" data-end=\"3890\"\u003eInstall the new OEM water seals in the correct orientation.\u003c\/li\u003e\n\u003cli data-section-id=\"1ex4i5h\" data-start=\"3891\" data-end=\"3964\"\u003eReassemble the pump and verify proper pressure and leak-free operation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"3966\" data-end=\"4224\"\u003e\u003cstrong data-start=\"3966\" data-end=\"3980\"\u003eImportant:\u003c\/strong\u003e Inspect ceramic plungers, packings, check valves, oil seals, and O-rings during service. Replacing related wear components at the same time helps maximize pump reliability and long-term performance, especially in high-temperature applications.\u003c\/p\u003e\n\u003chr data-start=\"4226\" data-end=\"4229\"\u003e\n\u003ch1 data-section-id=\"16tfrdt\" data-start=\"4231\" data-end=\"4260\"\u003eMaintenance Recommendations\u003c\/h1\u003e\n\u003cul data-start=\"4262\" data-end=\"4664\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e\n\u003cli data-section-id=\"1fzwt05\" data-start=\"4262\" data-end=\"4316\"\u003eInspect water seals during routine pump maintenance.\u003c\/li\u003e\n\u003cli data-section-id=\"u5tz0i\" data-start=\"4317\" data-end=\"4385\"\u003eReplace worn seals at the first signs of leakage or pressure loss.\u003c\/li\u003e\n\u003cli data-section-id=\"5z0dep\" data-start=\"4386\" data-end=\"4447\"\u003eMaintain clean, filtered inlet water to minimize seal wear.\u003c\/li\u003e\n\u003cli data-section-id=\"1dj6e5g\" data-start=\"4448\" data-end=\"4506\"\u003eNever operate the pump without an adequate water supply.\u003c\/li\u003e\n\u003cli data-section-id=\"3tb1jk\" data-start=\"4507\" data-end=\"4664\" data-is-last-node=\"\"\u003eUse only genuine OEM Comet replacement parts to maintain optimum pump performance, reliability, and long service life in hot water pressure washer systems.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Comet","offers":[{"title":"Default Title","offer_id":53447079395691,"sku":"5019.0703.00","price":95.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0917\/9201\/5723\/files\/CometPumpslogo_33e416c5-fa9f-4954-aebe-f555f54645a3.avif?v=1782956565","url":"https:\/\/generalsprayers.com\/products\/comet-5019-0703-00-18mm-water-seal-kit-oem-replacement-for-fw-fw2-pressure-washer-pumps","provider":"GeneralSprayers","version":"1.0","type":"link"}