{"product_id":"ar-rsv4g40hd-f40ez-pressure-washer-pump-4-0-gpm-4000-psi-1-gas-shaft-brass-head","title":"AR RSV4G40HD-F40EZ Pressure Washer Pump – 4.0 GPM 4000 PSI 1\" Gas Shaft Brass Head","description":"\u003cdiv class=\"\" data-turn-id-container=\"a1b20711-aa9c-4d50-a6bd-9630da931162\" 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-(--sticky-padding-top)\" dir=\"auto\" data-turn-id=\"a1b20711-aa9c-4d50-a6bd-9630da931162\" data-turn-id-container=\"a1b20711-aa9c-4d50-a6bd-9630da931162\" data-testid=\"conversation-turn-79\" data-turn=\"user\"\u003e\u003c\/section\u003e\n\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"\" data-turn-id-container=\"request-6a41e0a9-6a1c-83ea-8a2f-44e0120c15c3-67\" 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-44e0120c15c3-67\" data-turn-id-container=\"request-6a41e0a9-6a1c-83ea-8a2f-44e0120c15c3-67\" data-testid=\"conversation-turn-80\" 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=\"e3c10630-e13b-46f2-9fe8-b34c35d5d76a\" 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=\"209\"\u003e\u003cstrong data-start=\"0\" data-end=\"16\"\u003ePart Number:\u003c\/strong\u003e RSV4G40HD-F40EZ\u003cbr data-start=\"32\" data-end=\"35\"\u003e\u003cstrong data-start=\"35\" data-end=\"48\"\u003eCategory:\u003c\/strong\u003e Pressure Washer Pumps → Triplex Pumps → Gas Pressure Washer Pumps\u003cbr data-start=\"114\" data-end=\"117\"\u003e\u003cstrong data-start=\"117\" data-end=\"126\"\u003eType:\u003c\/strong\u003e AR RSV4G40HD-F40EZ Pressure Washer Pump – 4.0 GPM 4000 PSI 1\" Gas Shaft Brass Head\u003c\/p\u003e\n\u003chr data-start=\"211\" data-end=\"214\"\u003e\n\u003cp data-start=\"302\" data-end=\"741\"\u003eThe \u003cstrong data-start=\"306\" data-end=\"373\"\u003eAR RSV4G40HD-F40EZ Pressure Washer Pump (Part #RSV4G40HD-F40EZ)\u003c\/strong\u003e is a genuine OEM triplex plunger pump engineered for demanding commercial and industrial pressure washing applications. Built by \u003cstrong data-start=\"503\" data-end=\"528\"\u003eAnnovi Reverberi (AR)\u003c\/strong\u003e, this heavy-duty pump delivers \u003cstrong data-start=\"560\" data-end=\"584\"\u003e4.0 GPM at 4,000 PSI\u003c\/strong\u003e, providing exceptional cleaning power for professional contractors, fleet washing, construction equipment maintenance, agriculture, and industrial cleaning.\u003c\/p\u003e\n\u003chr data-start=\"1328\" data-end=\"1331\"\u003e\n\u003ch1 data-section-id=\"1oef6j8\" data-start=\"1333\" data-end=\"1358\"\u003eKey Features \u0026amp; Benefits\u003c\/h1\u003e\n\u003cul data-start=\"1360\" data-end=\"1857\"\u003e\n\u003cli data-section-id=\"pbx3wa\" data-start=\"1360\" data-end=\"1416\"\u003eGenuine AR (Annovi Reverberi) OEM pressure washer pump\u003c\/li\u003e\n\u003cli data-section-id=\"1q08byy\" data-start=\"1417\" data-end=\"1447\"\u003ePart Number: RSV4G40HD-F40EZ\u003c\/li\u003e\n\u003cli data-section-id=\"6i8bqz\" data-start=\"1448\" data-end=\"1481\"\u003eHeavy-duty triplex plunger pump\u003c\/li\u003e\n\u003cli data-section-id=\"ggx64d\" data-start=\"1482\" data-end=\"1514\"\u003eDurable forged brass pump head\u003c\/li\u003e\n\u003cli data-section-id=\"2eg04n\" data-start=\"1515\" data-end=\"1552\"\u003eDelivers up to 4.0 GPM at 4,000 PSI\u003c\/li\u003e\n\u003cli data-section-id=\"1glbedi\" data-start=\"1553\" data-end=\"1609\"\u003eDesigned for direct-drive gas-powered pressure washers\u003c\/li\u003e\n\u003cli data-section-id=\"1gjvwen\" data-start=\"1610\" data-end=\"1631\"\u003e1-inch hollow shaft\u003c\/li\u003e\n\u003cli data-section-id=\"1xqjq8i\" data-start=\"1632\" data-end=\"1655\"\u003eOperates at 3,400 RPM\u003c\/li\u003e\n\u003cli data-section-id=\"14zcy09\" data-start=\"1656\" data-end=\"1695\"\u003eCompatible with engines up to 14.5 HP\u003c\/li\u003e\n\u003cli data-section-id=\"1mpc6jj\" data-start=\"1696\" data-end=\"1742\"\u003eSmooth, reliable triplex plunger performance\u003c\/li\u003e\n\u003cli data-section-id=\"9vsnnz\" data-start=\"1743\" data-end=\"1808\"\u003eExcellent durability for commercial and industrial applications\u003c\/li\u003e\n\u003cli data-section-id=\"7gy5xk\" data-start=\"1809\" data-end=\"1857\"\u003eOEM-quality construction and long service life\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1859\" data-end=\"1862\"\u003e\n\u003ch1 data-section-id=\"zjxypn\" data-start=\"1864\" data-end=\"1890\"\u003eTechnical Specifications\u003c\/h1\u003e\n\u003cp data-start=\"1892\" data-end=\"1924\"\u003e\u003cstrong data-start=\"1892\" data-end=\"1908\"\u003ePart Number:\u003c\/strong\u003e RSV4G40HD-F40EZ\u003c\/p\u003e\n\u003cp data-start=\"1926\" data-end=\"1950\"\u003e\u003cstrong data-start=\"1926\" data-end=\"1941\"\u003ePump Model:\u003c\/strong\u003e RSV4G40H\u003c\/p\u003e\n\u003cp data-start=\"1952\" data-end=\"1991\"\u003e\u003cstrong data-start=\"1952\" data-end=\"1969\"\u003eManufacturer:\u003c\/strong\u003e AR (Annovi Reverberi)\u003c\/p\u003e\n\u003cp data-start=\"1993\" data-end=\"2039\"\u003e\u003cstrong data-start=\"1993\" data-end=\"2010\"\u003eProduct Type:\u003c\/strong\u003e Triplex Pressure Washer Pump\u003c\/p\u003e\n\u003cp data-start=\"2041\" data-end=\"2077\"\u003e\u003cstrong data-start=\"2041\" data-end=\"2064\"\u003ePump Head Material:\u003c\/strong\u003e Forged Brass\u003c\/p\u003e\n\u003cp data-start=\"2079\" data-end=\"2109\"\u003e\u003cstrong data-start=\"2079\" data-end=\"2101\"\u003eMaximum Flow Rate:\u003c\/strong\u003e 4.0 GPM\u003c\/p\u003e\n\u003cp data-start=\"2111\" data-end=\"2142\"\u003e\u003cstrong data-start=\"2111\" data-end=\"2132\"\u003eMaximum Pressure:\u003c\/strong\u003e 4,000 PSI\u003c\/p\u003e\n\u003cp data-start=\"2144\" data-end=\"2177\"\u003e\u003cstrong data-start=\"2144\" data-end=\"2167\"\u003eMaximum Pump Speed:\u003c\/strong\u003e 3,400 RPM\u003c\/p\u003e\n\u003cp data-start=\"2179\" data-end=\"2202\"\u003e\u003cstrong data-start=\"2179\" data-end=\"2194\"\u003eHorsepower:\u003c\/strong\u003e 14.5 HP\u003c\/p\u003e\n\u003cp data-start=\"2204\" data-end=\"2235\"\u003e\u003cstrong data-start=\"2204\" data-end=\"2219\"\u003eShaft Size:\u003c\/strong\u003e 1\" Hollow Shaft\u003c\/p\u003e\n\u003cp data-start=\"2237\" data-end=\"2282\"\u003e\u003cstrong data-start=\"2237\" data-end=\"2258\"\u003ePump Orientation:\u003c\/strong\u003e Horizontal Direct Drive\u003c\/p\u003e\n\u003cp data-start=\"2284\" data-end=\"2302\"\u003e\u003cstrong data-start=\"2284\" data-end=\"2295\"\u003eWeight:\u003c\/strong\u003e 14 lbs\u003c\/p\u003e\n\u003cp data-start=\"2304\" data-end=\"2328\"\u003e\u003cstrong data-start=\"2304\" data-end=\"2324\"\u003eOEM Replacement:\u003c\/strong\u003e Yes\u003c\/p\u003e\n\u003chr data-start=\"2330\" data-end=\"2333\"\u003e\n\u003ch1 data-section-id=\"1w7a361\" data-start=\"2335\" data-end=\"2360\"\u003eCompatible Applications\u003c\/h1\u003e\n\u003cp data-start=\"2362\" data-end=\"2441\"\u003eDesigned for use with compatible gas-powered pressure washer systems featuring:\u003c\/p\u003e\n\u003cul data-start=\"2443\" data-end=\"2711\"\u003e\n\u003cli data-section-id=\"pa5scz\" data-start=\"2443\" data-end=\"2476\"\u003e1-inch horizontal engine shafts\u003c\/li\u003e\n\u003cli data-section-id=\"aku40d\" data-start=\"2477\" data-end=\"2500\"\u003eEngines up to 14.5 HP\u003c\/li\u003e\n\u003cli data-section-id=\"1ftw8hk\" data-start=\"2501\" data-end=\"2530\"\u003eCommercial pressure washers\u003c\/li\u003e\n\u003cli data-section-id=\"10pt3xi\" data-start=\"2531\" data-end=\"2567\"\u003eIndustrial pressure washer systems\u003c\/li\u003e\n\u003cli data-section-id=\"1mv9afl\" data-start=\"2568\" data-end=\"2593\"\u003eFleet washing equipment\u003c\/li\u003e\n\u003cli data-section-id=\"1jcdcam\" data-start=\"2594\" data-end=\"2627\"\u003eAgricultural cleaning equipment\u003c\/li\u003e\n\u003cli data-section-id=\"1embcwq\" data-start=\"2628\" data-end=\"2661\"\u003eConstruction equipment cleaning\u003c\/li\u003e\n\u003cli data-section-id=\"1m0ojfn\" data-start=\"2662\" data-end=\"2711\"\u003eOEM equipment replacement and new installations\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2713\" data-end=\"2829\"\u003eAlways verify shaft size, mounting configuration, engine horsepower, and pressure\/flow requirements before ordering.\u003c\/p\u003e\n\u003chr data-start=\"2831\" data-end=\"2834\"\u003e\n\u003ch1 data-section-id=\"1ebu7jn\" data-start=\"2836\" data-end=\"2874\"\u003eFunction of the Pressure Washer Pump\u003c\/h1\u003e\n\u003cp data-start=\"2876\" data-end=\"2907\"\u003eThe RSV4G40HD-F40EZ pump helps:\u003c\/p\u003e\n\u003cul data-start=\"2909\" data-end=\"3205\"\u003e\n\u003cli data-section-id=\"1f0pk6l\" data-start=\"2909\" data-end=\"2950\"\u003eDeliver up to \u003cstrong data-start=\"2925\" data-end=\"2936\"\u003e4.0 GPM\u003c\/strong\u003e of water flow\u003c\/li\u003e\n\u003cli data-section-id=\"z8nl78\" data-start=\"2951\" data-end=\"3001\"\u003eGenerate operating pressures up to \u003cstrong data-start=\"2988\" data-end=\"3001\"\u003e4,000 PSI\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1rrf5b4\" data-start=\"3002\" data-end=\"3057\"\u003eProvide consistent high-pressure cleaning performance\u003c\/li\u003e\n\u003cli data-section-id=\"jex17d\" data-start=\"3058\" data-end=\"3116\"\u003eSupport demanding commercial and industrial applications\u003c\/li\u003e\n\u003cli data-section-id=\"f9y9rb\" data-start=\"3117\" data-end=\"3154\"\u003eRestore pressure washer performance\u003c\/li\u003e\n\u003cli data-section-id=\"1wmcpu5\" data-start=\"3155\" data-end=\"3205\"\u003eDeliver reliable operation during continuous use\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"3207\" data-end=\"3350\"\u003eIts heavy-duty triplex plunger design provides smoother operation, increased efficiency, and a longer service life compared to axial cam pumps.\u003c\/p\u003e\n\u003chr data-start=\"3352\" data-end=\"3355\"\u003e\n\u003ch1 data-section-id=\"mqxmo4\" data-start=\"3357\" data-end=\"3393\"\u003eCommon Signs Replacement Is Needed\u003c\/h1\u003e\n\u003cp data-start=\"3395\" data-end=\"3426\"\u003eReplace the pump if you notice:\u003c\/p\u003e\n\u003cul data-start=\"3428\" data-end=\"3647\"\u003e\n\u003cli data-section-id=\"zu24k4\" data-start=\"3428\" data-end=\"3456\"\u003eReduced operating pressure\u003c\/li\u003e\n\u003cli data-section-id=\"1f1izt\" data-start=\"3457\" data-end=\"3479\"\u003eDecreased water flow\u003c\/li\u003e\n\u003cli data-section-id=\"10eqapm\" data-start=\"3480\" data-end=\"3500\"\u003eWater or oil leaks\u003c\/li\u003e\n\u003cli data-section-id=\"rs3f56\" data-start=\"3501\" data-end=\"3528\"\u003eExcessive operating noise\u003c\/li\u003e\n\u003cli data-section-id=\"1dg05gz\" data-start=\"3529\" data-end=\"3559\"\u003eCracked or damaged pump head\u003c\/li\u003e\n\u003cli data-section-id=\"1h99ywy\" data-start=\"3560\" data-end=\"3589\"\u003eLoss of pumping performance\u003c\/li\u003e\n\u003cli data-section-id=\"16xn7rj\" data-start=\"3590\" data-end=\"3615\"\u003eExcessive internal wear\u003c\/li\u003e\n\u003cli data-section-id=\"1s772py\" data-start=\"3616\" data-end=\"3647\"\u003ePump failure during operation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"3649\" data-end=\"3737\"\u003eReplacing a worn pump restores cleaning performance while minimizing equipment downtime.\u003c\/p\u003e\n\u003chr data-start=\"3739\" data-end=\"3742\"\u003e\n\u003ch1 data-section-id=\"1547z5u\" data-start=\"3744\" data-end=\"3774\"\u003eInstallation \u0026amp; Service Notes\u003c\/h1\u003e\n\u003cul data-start=\"3776\" data-end=\"4311\"\u003e\n\u003cli data-section-id=\"iv93qe\" data-start=\"3776\" data-end=\"3840\"\u003eShut down the pressure washer and relieve all system pressure.\u003c\/li\u003e\n\u003cli data-section-id=\"1mrlrbf\" data-start=\"3841\" data-end=\"3886\"\u003eDisconnect the spark plug before servicing.\u003c\/li\u003e\n\u003cli data-section-id=\"1cmib7e\" data-start=\"3887\" data-end=\"3988\"\u003eVerify compatibility with the engine shaft, mounting flange, horsepower, and pressure requirements.\u003c\/li\u003e\n\u003cli data-section-id=\"rdentd\" data-start=\"3989\" data-end=\"4055\"\u003eInstall the pump according to the manufacturer's specifications.\u003c\/li\u003e\n\u003cli data-section-id=\"1v39erf\" data-start=\"4056\" data-end=\"4119\"\u003eConnect the water inlet and high-pressure discharge fittings.\u003c\/li\u003e\n\u003cli data-section-id=\"1yubgig\" data-start=\"4120\" data-end=\"4179\"\u003eFill the pump with the recommended lubricant if required.\u003c\/li\u003e\n\u003cli data-section-id=\"z9jstr\" data-start=\"4180\" data-end=\"4223\"\u003ePrime the pump with water before startup.\u003c\/li\u003e\n\u003cli data-section-id=\"oumvsh\" data-start=\"4224\" data-end=\"4311\"\u003eInspect the system for leaks and verify proper operating pressure after installation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"4313\" data-end=\"4504\"\u003e\u003cstrong data-start=\"4313\" data-end=\"4327\"\u003eImportant:\u003c\/strong\u003e Never operate the pump without an adequate water supply. Running the pump dry can quickly damage internal plungers, seals, and valves, significantly reducing pump service life.\u003c\/p\u003e\n\u003chr data-start=\"4506\" data-end=\"4509\"\u003e\n\u003ch1 data-section-id=\"16tfrdt\" data-start=\"4511\" data-end=\"4540\"\u003eMaintenance Recommendations\u003c\/h1\u003e\n\u003cul data-start=\"4542\" data-end=\"4976\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e\n\u003cli data-section-id=\"184h2h9\" data-start=\"4542\" data-end=\"4624\"\u003eCheck pump oil level regularly and change oil according to AR service intervals.\u003c\/li\u003e\n\u003cli data-section-id=\"17dug5b\" data-start=\"4625\" data-end=\"4700\"\u003eInspect seals, valves, and fittings for leaks during routine maintenance.\u003c\/li\u003e\n\u003cli data-section-id=\"1s5lkud\" data-start=\"4701\" data-end=\"4764\"\u003eMaintain clean, filtered inlet water to reduce internal wear.\u003c\/li\u003e\n\u003cli data-section-id=\"gwbawf\" data-start=\"4765\" data-end=\"4831\"\u003eFlush the pump after use when handling dirty or corrosive water.\u003c\/li\u003e\n\u003cli data-section-id=\"ffus5q\" data-start=\"4832\" data-end=\"4976\" data-is-last-node=\"\"\u003eUse only genuine OEM AR replacement parts and recommended lubricants 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","brand":"Annovi Reverberi","offers":[{"title":"Default Title","offer_id":53443303899499,"sku":null,"price":550.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0917\/9201\/5723\/files\/RSV4G40HD-F40EZ1.webp?v=1782863262","url":"https:\/\/generalsprayers.com\/products\/ar-rsv4g40hd-f40ez-pressure-washer-pump-4-0-gpm-4000-psi-1-gas-shaft-brass-head","provider":"GeneralSprayers","version":"1.0","type":"link"}