{"product_id":"ar-2547-ceramic-piston-kit-20mm-for-rk-rka-pressure-washer-pumps","title":"AR 2547 Ceramic Piston Kit – 20mm for RK \u0026 RKA Pressure Washer Pumps","description":"\u003cdiv class=\"qMYqUG_convSearchResultHighlightRoot\"\u003e\n\u003cdiv class=\"\" data-turn-id-container=\"request-6a41e0a9-6a1c-83ea-8a2f-44e0120c15c3-103\" 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-44e0120c15c3-103\" data-turn-id-container=\"request-6a41e0a9-6a1c-83ea-8a2f-44e0120c15c3-103\" data-testid=\"conversation-turn-114\" 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=\"9b1e83c1-3ff7-490a-af02-eaf9da3813c1\" 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=\"181\" class=\"PDq2pG_selectionAnchorContainer\"\u003e\u003cstrong data-start=\"0\" data-end=\"16\"\u003ePart Number:\u003c\/strong\u003e AR2547\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 → Ceramic Piston Kits\u003cbr data-start=\"100\" data-end=\"103\"\u003e\u003cstrong data-start=\"103\" data-end=\"112\"\u003eType:\u003c\/strong\u003e AR 2547 Ceramic Piston Kit – 20mm for RK \u0026amp; RKA Pressure Washer Pumps\u003cspan aria-hidden=\"true\" class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr data-start=\"183\" data-end=\"186\"\u003e\n\u003cp data-start=\"260\" data-end=\"617\"\u003eThe \u003cstrong data-start=\"264\" data-end=\"307\"\u003eAR 2547 Ceramic Piston Kit (Part #2547)\u003c\/strong\u003e is a genuine OEM replacement repair kit designed for servicing compatible \u003cstrong data-start=\"382\" data-end=\"425\"\u003eAnnovi Reverberi (AR) RK and RKA Series\u003c\/strong\u003e pressure washer pumps. Featuring \u003cstrong data-start=\"459\" data-end=\"484\"\u003e20 mm ceramic pistons\u003c\/strong\u003e, this OEM kit restores proper pump operation, maintains operating pressure, and extends the service life of your high-pressure pump.\u003c\/p\u003e\n\u003chr data-start=\"1230\" data-end=\"1233\"\u003e\n\u003ch1 data-section-id=\"1oef6j8\" data-start=\"1235\" data-end=\"1260\"\u003eKey Features \u0026amp; Benefits\u003c\/h1\u003e\n\u003cul data-start=\"1262\" data-end=\"1750\"\u003e\n\u003cli data-section-id=\"ud25pi\" data-start=\"1262\" data-end=\"1316\"\u003eGenuine AR (Annovi Reverberi) OEM ceramic piston kit\u003c\/li\u003e\n\u003cli data-section-id=\"17n3vvm\" data-start=\"1317\" data-end=\"1336\"\u003ePart Number: 2547\u003c\/li\u003e\n\u003cli data-section-id=\"tdnl1h\" data-start=\"1337\" data-end=\"1391\"\u003eDesigned for RK and RKA Series pressure washer pumps\u003c\/li\u003e\n\u003cli data-section-id=\"165bwfj\" data-start=\"1392\" data-end=\"1430\"\u003e20 mm ceramic piston replacement kit\u003c\/li\u003e\n\u003cli data-section-id=\"1wu0m7j\" data-start=\"1431\" data-end=\"1480\"\u003eRestores operating pressure and pump efficiency\u003c\/li\u003e\n\u003cli data-section-id=\"sohxon\" data-start=\"1481\" data-end=\"1521\"\u003eHelps reduce leakage and internal wear\u003c\/li\u003e\n\u003cli data-section-id=\"55gffl\" data-start=\"1522\" data-end=\"1566\"\u003eHighly wear-resistant ceramic construction\u003c\/li\u003e\n\u003cli data-section-id=\"182nwct\" data-start=\"1567\" data-end=\"1600\"\u003eRestores smooth piston movement\u003c\/li\u003e\n\u003cli data-section-id=\"1pkfdvi\" data-start=\"1601\" data-end=\"1653\"\u003eIdeal for pump rebuilds and preventive maintenance\u003c\/li\u003e\n\u003cli data-section-id=\"3iwt53\" data-start=\"1654\" data-end=\"1687\"\u003eOEM-quality fit and performance\u003c\/li\u003e\n\u003cli data-section-id=\"1087vgk\" data-start=\"1688\" data-end=\"1750\"\u003eDesigned for commercial and industrial pressure washer pumps\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1752\" data-end=\"1755\"\u003e\n\u003ch1 data-section-id=\"zjxypn\" data-start=\"1757\" data-end=\"1783\"\u003eTechnical Specifications\u003c\/h1\u003e\n\u003cp data-start=\"1785\" data-end=\"1806\"\u003e\u003cstrong data-start=\"1785\" data-end=\"1801\"\u003ePart Number:\u003c\/strong\u003e 2547\u003c\/p\u003e\n\u003cp data-start=\"1808\" data-end=\"1844\"\u003e\u003cstrong data-start=\"1808\" data-end=\"1825\"\u003eProduct Type:\u003c\/strong\u003e Ceramic Piston Kit\u003c\/p\u003e\n\u003cp data-start=\"1846\" data-end=\"1885\"\u003e\u003cstrong data-start=\"1846\" data-end=\"1863\"\u003eManufacturer:\u003c\/strong\u003e AR (Annovi Reverberi)\u003c\/p\u003e\n\u003cp data-start=\"1887\" data-end=\"1909\"\u003e\u003cstrong data-start=\"1887\" data-end=\"1903\"\u003ePiston Size:\u003c\/strong\u003e 20 mm\u003c\/p\u003e\n\u003cp data-start=\"1911\" data-end=\"1947\"\u003e\u003cstrong data-start=\"1911\" data-end=\"1938\"\u003eCompatible Pump Series:\u003c\/strong\u003e RK \u0026amp; RKA\u003c\/p\u003e\n\u003cp data-start=\"1949\" data-end=\"1973\"\u003e\u003cstrong data-start=\"1949\" data-end=\"1969\"\u003eOEM Replacement:\u003c\/strong\u003e Yes\u003c\/p\u003e\n\u003chr data-start=\"1975\" data-end=\"1978\"\u003e\n\u003ch1 data-section-id=\"1mfbgas\" data-start=\"1980\" data-end=\"2004\"\u003eCompatible Pump Models\u003c\/h1\u003e\n\u003cp data-start=\"2006\" data-end=\"2059\"\u003eDesigned for use with compatible AR pumps, including:\u003c\/p\u003e\n\u003cul data-start=\"2061\" data-end=\"2085\"\u003e\n\u003cli data-section-id=\"k4vj2i\" data-start=\"2061\" data-end=\"2072\"\u003eRK Series\u003c\/li\u003e\n\u003cli data-section-id=\"1qmtnwr\" data-start=\"2073\" data-end=\"2085\"\u003eRKA Series\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2087\" data-end=\"2149\"\u003eAlways verify your pump model and piston size before ordering.\u003c\/p\u003e\n\u003chr data-start=\"2151\" data-end=\"2154\"\u003e\n\u003ch1 data-section-id=\"16dhbu7\" data-start=\"2156\" data-end=\"2192\"\u003eFunction of the Ceramic Piston Kit\u003c\/h1\u003e\n\u003cp data-start=\"2194\" data-end=\"2223\"\u003eThe ceramic piston kit helps:\u003c\/p\u003e\n\u003cul data-start=\"2225\" data-end=\"2410\"\u003e\n\u003cli data-section-id=\"1y7xqow\" data-start=\"2225\" data-end=\"2258\"\u003eRestore proper piston operation\u003c\/li\u003e\n\u003cli data-section-id=\"1mm8ps9\" data-start=\"2259\" data-end=\"2288\"\u003eMaintain operating pressure\u003c\/li\u003e\n\u003cli data-section-id=\"7qo4bz\" data-start=\"2289\" data-end=\"2314\"\u003eReduce internal leakage\u003c\/li\u003e\n\u003cli data-section-id=\"mpx3hb\" data-start=\"2315\" data-end=\"2349\"\u003eProtect packings and water seals\u003c\/li\u003e\n\u003cli data-section-id=\"a8ay5u\" data-start=\"2350\" data-end=\"2383\"\u003eImprove overall pump efficiency\u003c\/li\u003e\n\u003cli data-section-id=\"9l88x9\" data-start=\"2384\" data-end=\"2410\"\u003eExtend pump service life\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2412\" data-end=\"2535\"\u003eReplacing worn ceramic pistons helps restore pressure washer performance while reducing wear on additional pump components.\u003c\/p\u003e\n\u003chr data-start=\"2537\" data-end=\"2540\"\u003e\n\u003ch1 data-section-id=\"mqxmo4\" data-start=\"2542\" data-end=\"2578\"\u003eCommon Signs Replacement Is Needed\u003c\/h1\u003e\n\u003cp data-start=\"2580\" data-end=\"2625\"\u003eReplace the ceramic piston kit if you notice:\u003c\/p\u003e\n\u003cul data-start=\"2627\" data-end=\"2850\"\u003e\n\u003cli data-section-id=\"zu24k4\" data-start=\"2627\" data-end=\"2655\"\u003eReduced operating pressure\u003c\/li\u003e\n\u003cli data-section-id=\"190tywz\" data-start=\"2656\" data-end=\"2691\"\u003eWater leakage around the plungers\u003c\/li\u003e\n\u003cli data-section-id=\"1p02vyt\" data-start=\"2692\" data-end=\"2735\"\u003eWorn, chipped, or cracked ceramic pistons\u003c\/li\u003e\n\u003cli data-section-id=\"tekl7b\" data-start=\"2736\" data-end=\"2766\"\u003eExcessive internal pump wear\u003c\/li\u003e\n\u003cli data-section-id=\"18a4h50\" data-start=\"2767\" data-end=\"2817\"\u003ePump rebuild or scheduled preventive maintenance\u003c\/li\u003e\n\u003cli data-section-id=\"1c17h1v\" data-start=\"2818\" data-end=\"2850\"\u003eDecreased cleaning performance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2852\" data-end=\"2977\"\u003eReplacing worn pistons promptly helps prevent damage to packings, water seals, manifolds, and other critical pump components.\u003c\/p\u003e\n\u003chr data-start=\"2979\" data-end=\"2982\"\u003e\n\u003ch1 data-section-id=\"1547z5u\" data-start=\"2984\" data-end=\"3014\"\u003eInstallation \u0026amp; Service Notes\u003c\/h1\u003e\n\u003cul data-start=\"3016\" data-end=\"3496\"\u003e\n\u003cli data-section-id=\"iv93qe\" data-start=\"3016\" data-end=\"3080\"\u003eShut down the pressure washer and relieve all system pressure.\u003c\/li\u003e\n\u003cli data-section-id=\"8gnlw1\" data-start=\"3081\" data-end=\"3159\"\u003eRemove the pump manifold according to the manufacturer's service procedures.\u003c\/li\u003e\n\u003cli data-section-id=\"1t3yt3l\" data-start=\"3160\" data-end=\"3229\"\u003eCarefully remove the existing ceramic pistons and related hardware.\u003c\/li\u003e\n\u003cli data-section-id=\"vafbtq\" data-start=\"3230\" data-end=\"3270\"\u003eClean all sealing surfaces thoroughly.\u003c\/li\u003e\n\u003cli data-section-id=\"vzru0j\" data-start=\"3271\" data-end=\"3340\"\u003eInspect packings, water seals, and the manifold for wear or damage.\u003c\/li\u003e\n\u003cli data-section-id=\"i1g4h7\" data-start=\"3341\" data-end=\"3422\"\u003eInstall the new ceramic pistons according to the manufacturer's specifications.\u003c\/li\u003e\n\u003cli data-section-id=\"1ex4i5h\" data-start=\"3423\" data-end=\"3496\"\u003eReassemble the pump and verify proper pressure and leak-free operation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"3498\" data-end=\"3686\"\u003e\u003cstrong data-start=\"3498\" data-end=\"3512\"\u003eImportant:\u003c\/strong\u003e Inspect water seals, packings, O-rings, and check valves during service. Replacing related wear components at the same time helps maximize pump reliability and service life.\u003c\/p\u003e\n\u003chr data-start=\"3688\" data-end=\"3691\"\u003e\n\u003ch1 data-section-id=\"16tfrdt\" data-start=\"3693\" data-end=\"3722\"\u003eMaintenance Recommendations\u003c\/h1\u003e\n\u003cul data-start=\"3724\" data-end=\"4070\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e\n\u003cli data-section-id=\"1mjb7iu\" data-start=\"3724\" data-end=\"3782\"\u003eInspect ceramic pistons during routine pump maintenance.\u003c\/li\u003e\n\u003cli data-section-id=\"lkbpc1\" data-start=\"3783\" data-end=\"3826\"\u003eReplace damaged or worn pistons promptly.\u003c\/li\u003e\n\u003cli data-section-id=\"itwes5\" data-start=\"3827\" data-end=\"3893\"\u003eMaintain clean, filtered inlet water to minimize component wear.\u003c\/li\u003e\n\u003cli data-section-id=\"1dj6e5g\" data-start=\"3894\" data-end=\"3952\"\u003eNever operate the pump without an adequate water supply.\u003c\/li\u003e\n\u003cli data-section-id=\"1lgz0xn\" data-start=\"3953\" data-end=\"4070\" data-is-last-node=\"\"\u003eUse only genuine OEM AR 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":53445359632747,"sku":null,"price":150.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0917\/9201\/5723\/files\/KIT2547PISTON20MMRK_RKA.avif?v=1782909783","url":"https:\/\/generalsprayers.com\/products\/ar-2547-ceramic-piston-kit-20mm-for-rk-rka-pressure-washer-pumps","provider":"GeneralSprayers","version":"1.0","type":"link"}