{"product_id":"ar-2278-water-seal-kit-20mm-for-xw-m-pressure-washer-pumps","title":"AR 2278 Water Seal Kit – 20mm for XW-M Pressure Washer Pumps","description":"\u003cdiv class=\"qMYqUG_convSearchResultHighlightRoot\"\u003e\n\u003cdiv class=\"\" data-turn-id-container=\"request-6a41e0a9-6a1c-83ea-8a2f-44e0120c15c3-21\" 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-44e0120c15c3-21\" data-turn-id-container=\"request-6a41e0a9-6a1c-83ea-8a2f-44e0120c15c3-21\" data-testid=\"conversation-turn-54\" 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=\"bf32faee-36fd-4e02-b401-20dfceaf3d28\" 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=\"179\" class=\"PDq2pG_selectionAnchorContainer\"\u003e\u003cstrong data-start=\"0\" data-end=\"16\"\u003ePart Number:\u003c\/strong\u003e 2278\u003cbr data-start=\"21\" data-end=\"24\"\u003e\u003cstrong data-start=\"24\" data-end=\"37\"\u003eCategory:\u003c\/strong\u003e Pressure Washer Parts → Pump Repair Kits → Packing \u0026amp; Water Seal Kits\u003cbr data-start=\"106\" data-end=\"109\"\u003e\u003cstrong data-start=\"109\" data-end=\"118\"\u003eType:\u003c\/strong\u003e AR 2278 Water Seal Kit – 20mm for XW-M Pressure Washer Pumps\u003cspan aria-hidden=\"true\" class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr data-start=\"181\" data-end=\"184\"\u003e\n\u003cp data-start=\"250\" data-end=\"655\"\u003eThe \u003cstrong data-start=\"254\" data-end=\"293\"\u003eAR 2278 Water Seal Kit (Part #2278)\u003c\/strong\u003e is a genuine OEM packing and water seal repair kit designed for servicing compatible \u003cstrong data-start=\"379\" data-end=\"432\"\u003eAR North America XWM Series triplex plunger pumps\u003c\/strong\u003e. Engineered with \u003cstrong data-start=\"450\" data-end=\"478\"\u003e20 mm sealing components\u003c\/strong\u003e, this complete rebuild kit includes the essential gaskets, front piston guides, and O-rings required to restore proper sealing performance and maintain reliable pump operation.\u003c\/p\u003e\n\u003chr data-start=\"1235\" data-end=\"1238\"\u003e\n\u003ch1 data-section-id=\"1oef6j8\" data-start=\"1240\" data-end=\"1265\"\u003eKey Features \u0026amp; Benefits\u003c\/h1\u003e\n\u003cul data-start=\"1267\" data-end=\"1678\"\u003e\n\u003cli data-section-id=\"1f2p39c\" data-start=\"1267\" data-end=\"1312\"\u003eGenuine AR North America OEM water seal kit\u003c\/li\u003e\n\u003cli data-section-id=\"17n3y6h\" data-start=\"1313\" data-end=\"1332\"\u003ePart Number: 2278\u003c\/li\u003e\n\u003cli data-section-id=\"i53x6e\" data-start=\"1333\" data-end=\"1377\"\u003eComplete packing and water seal repair kit\u003c\/li\u003e\n\u003cli data-section-id=\"pk6x00\" data-start=\"1378\" data-end=\"1415\"\u003eDesigned for 20 mm XWM Series pumps\u003c\/li\u003e\n\u003cli data-section-id=\"1mjihqx\" data-start=\"1416\" data-end=\"1474\"\u003eIncludes genuine OEM gaskets, piston guides, and O-rings\u003c\/li\u003e\n\u003cli data-section-id=\"19gk06y\" data-start=\"1475\" data-end=\"1512\"\u003eRestores proper sealing performance\u003c\/li\u003e\n\u003cli data-section-id=\"dv7dol\" data-start=\"1513\" data-end=\"1544\"\u003eHelps eliminate water leakage\u003c\/li\u003e\n\u003cli data-section-id=\"12v7ieb\" data-start=\"1545\" data-end=\"1585\"\u003eMaintains pump pressure and efficiency\u003c\/li\u003e\n\u003cli data-section-id=\"1pkfdvi\" data-start=\"1586\" data-end=\"1638\"\u003eIdeal for pump rebuilds and preventive maintenance\u003c\/li\u003e\n\u003cli data-section-id=\"bros3y\" data-start=\"1639\" data-end=\"1678\"\u003eOEM-quality fit and long service life\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1680\" data-end=\"1683\"\u003e\n\u003ch1 data-section-id=\"4wdtu2\" data-start=\"1685\" data-end=\"1699\"\u003eKit Contents\u003c\/h1\u003e\n\u003cp data-start=\"1701\" data-end=\"1737\"\u003eThe AR 2278 Water Seal Kit includes:\u003c\/p\u003e\n\u003cul data-start=\"1739\" data-end=\"1868\"\u003e\n\u003cli data-section-id=\"1yl96ca\" data-start=\"1739\" data-end=\"1768\"\u003e(3) \u003cstrong data-start=\"1745\" data-end=\"1758\"\u003eAR1940440\u003c\/strong\u003e – Gaskets\u003c\/li\u003e\n\u003cli data-section-id=\"14jwofq\" data-start=\"1769\" data-end=\"1810\"\u003e(3) \u003cstrong data-start=\"1775\" data-end=\"1788\"\u003eAR1940430\u003c\/strong\u003e – Front Piston Guides\u003c\/li\u003e\n\u003cli data-section-id=\"1dncwbk\" data-start=\"1811\" data-end=\"1839\"\u003e(3) \u003cstrong data-start=\"1817\" data-end=\"1829\"\u003eAR840280\u003c\/strong\u003e – Gaskets\u003c\/li\u003e\n\u003cli data-section-id=\"pdtfha\" data-start=\"1840\" data-end=\"1868\"\u003e(3) \u003cstrong data-start=\"1846\" data-end=\"1858\"\u003eAR820490\u003c\/strong\u003e – O-Rings\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1870\" data-end=\"1936\"\u003eAll components are genuine OEM AR North America replacement parts.\u003c\/p\u003e\n\u003chr data-start=\"1938\" data-end=\"1941\"\u003e\n\u003ch1 data-section-id=\"zjxypn\" data-start=\"1943\" data-end=\"1969\"\u003eTechnical Specifications\u003c\/h1\u003e\n\u003cp data-start=\"1971\" data-end=\"1992\"\u003e\u003cstrong data-start=\"1971\" data-end=\"1987\"\u003ePart Number:\u003c\/strong\u003e 2278\u003c\/p\u003e\n\u003cp data-start=\"1994\" data-end=\"2036\"\u003e\u003cstrong data-start=\"1994\" data-end=\"2011\"\u003eProduct Type:\u003c\/strong\u003e Packing \u0026amp; Water Seal Kit\u003c\/p\u003e\n\u003cp data-start=\"2038\" data-end=\"2072\"\u003e\u003cstrong data-start=\"2038\" data-end=\"2055\"\u003eManufacturer:\u003c\/strong\u003e AR North America\u003c\/p\u003e\n\u003cp data-start=\"2074\" data-end=\"2094\"\u003e\u003cstrong data-start=\"2074\" data-end=\"2088\"\u003eSeal Size:\u003c\/strong\u003e 20 mm\u003c\/p\u003e\n\u003cp data-start=\"2096\" data-end=\"2123\"\u003e\u003cstrong data-start=\"2096\" data-end=\"2112\"\u003ePump Series:\u003c\/strong\u003e XWM Series\u003c\/p\u003e\n\u003cp data-start=\"2125\" data-end=\"2149\"\u003e\u003cstrong data-start=\"2125\" data-end=\"2145\"\u003eOEM Replacement:\u003c\/strong\u003e Yes\u003c\/p\u003e\n\u003chr data-start=\"2151\" data-end=\"2154\"\u003e\n\u003ch1 data-section-id=\"1mfbgas\" data-start=\"2156\" data-end=\"2180\"\u003eCompatible Pump Models\u003c\/h1\u003e\n\u003cp data-start=\"2182\" data-end=\"2260\"\u003eDesigned for use with compatible AR North America XWM Series pumps, including:\u003c\/p\u003e\n\u003cul data-start=\"2262\" data-end=\"2353\"\u003e\n\u003cli data-section-id=\"usm2hv\" data-start=\"2262\" data-end=\"2272\"\u003eXWM1530N\u003c\/li\u003e\n\u003cli data-section-id=\"up31m5\" data-start=\"2273\" data-end=\"2283\"\u003eXWM2128N\u003c\/li\u003e\n\u003cli data-section-id=\"up8axt\" data-start=\"2284\" data-end=\"2294\"\u003eXWM2623N\u003c\/li\u003e\n\u003cli data-section-id=\"jtedil\" data-start=\"2295\" data-end=\"2304\"\u003eXW3025N\u003c\/li\u003e\n\u003cli data-section-id=\"jp3rw2\" data-start=\"2305\" data-end=\"2316\"\u003eXWAM4G40N\u003c\/li\u003e\n\u003cli data-section-id=\"bq1m12\" data-start=\"2317\" data-end=\"2329\"\u003eXWAM55G40N\u003c\/li\u003e\n\u003cli data-section-id=\"jpuos1\" data-start=\"2330\" data-end=\"2341\"\u003eXWAM7G40N\u003c\/li\u003e\n\u003cli data-section-id=\"jgsue4\" data-start=\"2342\" data-end=\"2353\"\u003eXWAM8G35N\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2355\" data-end=\"2401\"\u003eAlways verify your pump model before ordering.\u003c\/p\u003e\n\u003chr data-start=\"2403\" data-end=\"2406\"\u003e\n\u003ch1 data-section-id=\"bmilrg\" data-start=\"2408\" data-end=\"2440\"\u003eFunction of the Water Seal Kit\u003c\/h1\u003e\n\u003cp data-start=\"2442\" data-end=\"2467\"\u003eThe water seal kit helps:\u003c\/p\u003e\n\u003cul data-start=\"2469\" data-end=\"2678\"\u003e\n\u003cli data-section-id=\"o1wcfr\" data-start=\"2469\" data-end=\"2518\"\u003eRestore proper sealing around the pump plungers\u003c\/li\u003e\n\u003cli data-section-id=\"u4it5f\" data-start=\"2519\" data-end=\"2542\"\u003ePrevent water leakage\u003c\/li\u003e\n\u003cli data-section-id=\"1mm8ps9\" data-start=\"2543\" data-end=\"2572\"\u003eMaintain operating pressure\u003c\/li\u003e\n\u003cli data-section-id=\"1jjd5c9\" data-start=\"2573\" data-end=\"2625\"\u003eProtect internal pump components from water bypass\u003c\/li\u003e\n\u003cli data-section-id=\"18a85ml\" data-start=\"2626\" data-end=\"2651\"\u003eImprove pump efficiency\u003c\/li\u003e\n\u003cli data-section-id=\"9l88x9\" data-start=\"2652\" data-end=\"2678\"\u003eExtend pump service life\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2680\" data-end=\"2801\"\u003eReplacing worn sealing components helps maintain peak pump performance while reducing the risk of costly internal damage.\u003c\/p\u003e\n\u003chr data-start=\"2803\" data-end=\"2806\"\u003e\n\u003ch1 data-section-id=\"mqxmo4\" data-start=\"2808\" data-end=\"2844\"\u003eCommon Signs Replacement Is Needed\u003c\/h1\u003e\n\u003cp data-start=\"2846\" data-end=\"2887\"\u003eReplace the water seal kit if you notice:\u003c\/p\u003e\n\u003cul data-start=\"2889\" data-end=\"3085\"\u003e\n\u003cli data-section-id=\"l5r3ab\" data-start=\"2889\" data-end=\"2927\"\u003eWater leaking from the pump manifold\u003c\/li\u003e\n\u003cli data-section-id=\"zu24k4\" data-start=\"2928\" data-end=\"2956\"\u003eReduced operating pressure\u003c\/li\u003e\n\u003cli data-section-id=\"1f1izt\" data-start=\"2957\" data-end=\"2979\"\u003eDecreased water flow\u003c\/li\u003e\n\u003cli data-section-id=\"kbiho6\" data-start=\"2980\" data-end=\"3003\"\u003eWorn or damaged seals\u003c\/li\u003e\n\u003cli data-section-id=\"14rbscu\" data-start=\"3004\" data-end=\"3034\"\u003eCracked or flattened O-rings\u003c\/li\u003e\n\u003cli data-section-id=\"18a4h50\" data-start=\"3035\" data-end=\"3085\"\u003ePump rebuild or scheduled preventive maintenance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"3087\" data-end=\"3202\"\u003eReplacing worn seals early helps prevent damage to ceramic plungers, manifolds, and other internal pump components.\u003c\/p\u003e\n\u003chr data-start=\"3204\" data-end=\"3207\"\u003e\n\u003ch1 data-section-id=\"1547z5u\" data-start=\"3209\" data-end=\"3239\"\u003eInstallation \u0026amp; Service Notes\u003c\/h1\u003e\n\u003cul data-start=\"3241\" data-end=\"3711\"\u003e\n\u003cli data-section-id=\"iv93qe\" data-start=\"3241\" data-end=\"3305\"\u003eShut down the pressure washer and relieve all system pressure.\u003c\/li\u003e\n\u003cli data-section-id=\"8gnlw1\" data-start=\"3306\" data-end=\"3384\"\u003eRemove the pump manifold according to the manufacturer's service procedures.\u003c\/li\u003e\n\u003cli data-section-id=\"gsgr1f\" data-start=\"3385\" data-end=\"3446\"\u003eRemove all worn seals, piston guides, gaskets, and O-rings.\u003c\/li\u003e\n\u003cli data-section-id=\"vafbtq\" data-start=\"3447\" data-end=\"3487\"\u003eClean all sealing surfaces thoroughly.\u003c\/li\u003e\n\u003cli data-section-id=\"crgkk\" data-start=\"3488\" data-end=\"3550\"\u003eInspect ceramic plungers and replace any damaged components.\u003c\/li\u003e\n\u003cli data-section-id=\"929cx8\" data-start=\"3551\" data-end=\"3605\"\u003eLubricate new seals and O-rings before installation.\u003c\/li\u003e\n\u003cli data-section-id=\"tekrmg\" data-start=\"3606\" data-end=\"3657\"\u003eInstall all components in the proper orientation.\u003c\/li\u003e\n\u003cli data-section-id=\"1r9u5gh\" data-start=\"3658\" data-end=\"3711\"\u003eReassemble the pump and verify leak-free operation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"3713\" data-end=\"3895\"\u003e\u003cstrong data-start=\"3713\" data-end=\"3727\"\u003eImportant:\u003c\/strong\u003e Inspect plungers, valve assemblies, and additional sealing components during service. Replacing worn components together helps maximize pump reliability and longevity.\u003c\/p\u003e\n\u003chr data-start=\"3897\" data-end=\"3900\"\u003e\n\u003ch1 data-section-id=\"16tfrdt\" data-start=\"3902\" data-end=\"3931\"\u003eMaintenance Recommendations\u003c\/h1\u003e\n\u003cul data-start=\"3933\" data-end=\"4323\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e\n\u003cli data-section-id=\"5cb2hr\" data-start=\"3933\" data-end=\"3994\"\u003eInspect packing and water seals during routine maintenance.\u003c\/li\u003e\n\u003cli data-section-id=\"u5tz0i\" data-start=\"3995\" data-end=\"4063\"\u003eReplace worn seals at the first signs of leakage or pressure loss.\u003c\/li\u003e\n\u003cli data-section-id=\"19menqe\" data-start=\"4064\" data-end=\"4132\"\u003eMaintain clean inlet water using an appropriate filtration system.\u003c\/li\u003e\n\u003cli data-section-id=\"1dj6e5g\" data-start=\"4133\" data-end=\"4191\"\u003eNever operate the pump without an adequate water supply.\u003c\/li\u003e\n\u003cli data-section-id=\"7iy7ic\" data-start=\"4192\" data-end=\"4323\" data-is-last-node=\"\"\u003eUse only genuine OEM AR North America replacement parts to maintain optimum pump performance, reliability, and long service life.\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":"Annovi Reverberi","offers":[{"title":"Default Title","offer_id":53442503803243,"sku":null,"price":135.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0917\/9201\/5723\/files\/KIT2278WATERSEAL.jpg?v=1782852042","url":"https:\/\/generalsprayers.com\/products\/ar-2278-water-seal-kit-20mm-for-xw-m-pressure-washer-pumps","provider":"GeneralSprayers","version":"1.0","type":"link"}