{"product_id":"comet-fws2-4040s-pressure-washer-pump-4-0-gpm-4000-psi-1750-rpm-24mm-shaft","title":"Comet FWS2-4040S Pressure Washer Pump – 4.0 GPM 4000 PSI 1750 RPM 24mm Shaft","description":"\u003cdiv class=\"\" data-turn-id-container=\"7736188a-e671-4776-b1db-9e3d212d34be\" 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=\"7736188a-e671-4776-b1db-9e3d212d34be\" data-turn-id-container=\"7736188a-e671-4776-b1db-9e3d212d34be\" data-testid=\"conversation-turn-185\" 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-44e0120c15c3-11\" 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-44e0120c15c3-11\" data-turn-id-container=\"request-6a41e0a9-6a1c-83ea-8a2f-44e0120c15c3-11\" data-testid=\"conversation-turn-186\" 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=\"e6f021d1-3701-4e6b-9d76-68c886e0e855\" 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=\"205\"\u003e\u003cstrong data-start=\"0\" data-end=\"16\"\u003ePart Number:\u003c\/strong\u003e FWS2-4040S\u003cbr data-start=\"27\" data-end=\"30\"\u003e\u003cstrong data-start=\"30\" data-end=\"43\"\u003eCategory:\u003c\/strong\u003e Pressure Washer Pumps → Triplex Pumps → Belt Drive Pressure Washer Pumps\u003cbr data-start=\"116\" data-end=\"119\"\u003e\u003cstrong data-start=\"119\" data-end=\"128\"\u003eType:\u003c\/strong\u003e Comet FWS2-4040S Pressure Washer Pump – 4.0 GPM 4000 PSI 1750 RPM 32mm Shaft\u003c\/p\u003e\n\u003chr data-start=\"207\" data-end=\"210\"\u003e\n\u003cp data-start=\"292\" data-end=\"763\"\u003eThe \u003cstrong data-start=\"296\" data-end=\"356\"\u003eComet FWS2-4040S Pressure Washer Pump (Part #FWS2-4040S)\u003c\/strong\u003e is a genuine OEM triplex plunger pump engineered for demanding commercial and industrial pressure washing applications. Manufactured by \u003cstrong data-start=\"493\" data-end=\"508\"\u003eComet Pumps\u003c\/strong\u003e, this heavy-duty pump delivers \u003cstrong data-start=\"540\" data-end=\"564\"\u003e4.0 GPM at 4,000 PSI\u003c\/strong\u003e, providing exceptional cleaning performance for fleet washing, heavy equipment maintenance, construction, agriculture, manufacturing facilities, and continuous-duty industrial cleaning applications.\u003c\/p\u003e\n\u003chr data-start=\"1488\" data-end=\"1491\"\u003e\n\u003ch1 data-section-id=\"1oef6j8\" data-start=\"1493\" data-end=\"1518\"\u003eKey Features \u0026amp; Benefits\u003c\/h1\u003e\n\u003cul data-start=\"1520\" data-end=\"2010\"\u003e\n\u003cli data-section-id=\"zrz0lp\" data-start=\"1520\" data-end=\"1568\"\u003eGenuine Comet OEM triplex pressure washer pump\u003c\/li\u003e\n\u003cli data-section-id=\"x6v8yw\" data-start=\"1569\" data-end=\"1594\"\u003ePart Number: FWS2-4040S\u003c\/li\u003e\n\u003cli data-section-id=\"19tw6a9\" data-start=\"1595\" data-end=\"1630\"\u003eHeavy-duty triplex plunger design\u003c\/li\u003e\n\u003cli data-section-id=\"2eg04n\" data-start=\"1631\" data-end=\"1668\"\u003eDelivers up to 4.0 GPM at 4,000 PSI\u003c\/li\u003e\n\u003cli data-section-id=\"s0yvus\" data-start=\"1669\" data-end=\"1726\"\u003eLow-speed 1,750 RPM operation for extended service life\u003c\/li\u003e\n\u003cli data-section-id=\"14grabg\" data-start=\"1727\" data-end=\"1746\"\u003e32 mm solid shaft\u003c\/li\u003e\n\u003cli data-section-id=\"1p7k3pz\" data-start=\"1747\" data-end=\"1771\"\u003e18 mm ceramic plungers\u003c\/li\u003e\n\u003cli data-section-id=\"3wdm8b\" data-start=\"1772\" data-end=\"1794\"\u003e1\/2\" FPT water inlet\u003c\/li\u003e\n\u003cli data-section-id=\"wqesop\" data-start=\"1795\" data-end=\"1826\"\u003e3\/8\" FPT high-pressure outlet\u003c\/li\u003e\n\u003cli data-section-id=\"q8vjgf\" data-start=\"1827\" data-end=\"1878\"\u003eCompatible with belt-drive and gear-drive systems\u003c\/li\u003e\n\u003cli data-section-id=\"17wrkuh\" data-start=\"1879\" data-end=\"1910\"\u003eRequires approximately 11 BHP\u003c\/li\u003e\n\u003cli data-section-id=\"d3o0qo\" data-start=\"1911\" data-end=\"1948\"\u003eSuitable for engines up to 14.5 GHP\u003c\/li\u003e\n\u003cli data-section-id=\"kpudii\" data-start=\"1949\" data-end=\"2010\"\u003eOEM-quality construction for continuous-duty commercial use\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2012\" data-end=\"2015\"\u003e\n\u003ch1 data-section-id=\"zjxypn\" data-start=\"2017\" data-end=\"2043\"\u003eTechnical Specifications\u003c\/h1\u003e\n\u003cp data-start=\"2045\" data-end=\"2072\"\u003e\u003cstrong data-start=\"2045\" data-end=\"2061\"\u003ePart Number:\u003c\/strong\u003e FWS2-4040S\u003c\/p\u003e\n\u003cp data-start=\"2074\" data-end=\"2100\"\u003e\u003cstrong data-start=\"2074\" data-end=\"2089\"\u003ePump Model:\u003c\/strong\u003e FWS2-4040S\u003c\/p\u003e\n\u003cp data-start=\"2102\" data-end=\"2131\"\u003e\u003cstrong data-start=\"2102\" data-end=\"2119\"\u003eManufacturer:\u003c\/strong\u003e Comet Pumps\u003c\/p\u003e\n\u003cp data-start=\"2133\" data-end=\"2179\"\u003e\u003cstrong data-start=\"2133\" data-end=\"2150\"\u003eProduct Type:\u003c\/strong\u003e Triplex Pressure Washer Pump\u003c\/p\u003e\n\u003cp data-start=\"2181\" data-end=\"2211\"\u003e\u003cstrong data-start=\"2181\" data-end=\"2203\"\u003eMaximum Flow Rate:\u003c\/strong\u003e 4.0 GPM\u003c\/p\u003e\n\u003cp data-start=\"2213\" data-end=\"2244\"\u003e\u003cstrong data-start=\"2213\" data-end=\"2234\"\u003eMaximum Pressure:\u003c\/strong\u003e 4,000 PSI\u003c\/p\u003e\n\u003cp data-start=\"2246\" data-end=\"2279\"\u003e\u003cstrong data-start=\"2246\" data-end=\"2269\"\u003eMaximum Pump Speed:\u003c\/strong\u003e 1,750 RPM\u003c\/p\u003e\n\u003cp data-start=\"2281\" data-end=\"2311\"\u003e\u003cstrong data-start=\"2281\" data-end=\"2308\"\u003eBrake Horsepower (BHP):\u003c\/strong\u003e 11\u003c\/p\u003e\n\u003cp data-start=\"2313\" data-end=\"2343\"\u003e\u003cstrong data-start=\"2313\" data-end=\"2338\"\u003eGas Horsepower (GHP):\u003c\/strong\u003e 14.5\u003c\/p\u003e\n\u003cp data-start=\"2345\" data-end=\"2366\"\u003e\u003cstrong data-start=\"2345\" data-end=\"2360\"\u003eShaft Size:\u003c\/strong\u003e 32 mm\u003c\/p\u003e\n\u003cp data-start=\"2368\" data-end=\"2399\"\u003e\u003cstrong data-start=\"2368\" data-end=\"2393\"\u003eCeramic Plunger Size:\u003c\/strong\u003e 18 mm\u003c\/p\u003e\n\u003cp data-start=\"2401\" data-end=\"2426\"\u003e\u003cstrong data-start=\"2401\" data-end=\"2417\"\u003eWater Inlet:\u003c\/strong\u003e 1\/2\" FPT\u003c\/p\u003e\n\u003cp data-start=\"2428\" data-end=\"2462\"\u003e\u003cstrong data-start=\"2428\" data-end=\"2453\"\u003eHigh-Pressure Outlet:\u003c\/strong\u003e 3\/8\" FPT\u003c\/p\u003e\n\u003cp data-start=\"2464\" data-end=\"2509\"\u003e\u003cstrong data-start=\"2464\" data-end=\"2484\"\u003eConnection Size:\u003c\/strong\u003e 1\/2\" Inlet \/ 3\/8\" Outlet\u003c\/p\u003e\n\u003cp data-start=\"2511\" data-end=\"2529\"\u003e\u003cstrong data-start=\"2511\" data-end=\"2522\"\u003eWeight:\u003c\/strong\u003e 20 lbs\u003c\/p\u003e\n\u003cp data-start=\"2531\" data-end=\"2555\"\u003e\u003cstrong data-start=\"2531\" data-end=\"2551\"\u003eOEM Replacement:\u003c\/strong\u003e Yes\u003c\/p\u003e\n\u003chr data-start=\"2557\" data-end=\"2560\"\u003e\n\u003ch1 data-section-id=\"1w7a361\" data-start=\"2562\" data-end=\"2587\"\u003eCompatible Applications\u003c\/h1\u003e\n\u003cp data-start=\"2589\" data-end=\"2656\"\u003eDesigned for use with compatible pressure washer systems featuring:\u003c\/p\u003e\n\u003cul data-start=\"2658\" data-end=\"2956\"\u003e\n\u003cli data-section-id=\"14k0b23\" data-start=\"2658\" data-end=\"2685\"\u003e32 mm shaft drive systems\u003c\/li\u003e\n\u003cli data-section-id=\"e1w54q\" data-start=\"2686\" data-end=\"2715\"\u003eBelt-drive pressure washers\u003c\/li\u003e\n\u003cli data-section-id=\"xch5v8\" data-start=\"2716\" data-end=\"2745\"\u003eGear-drive pressure washers\u003c\/li\u003e\n\u003cli data-section-id=\"1ftw8hk\" data-start=\"2746\" data-end=\"2775\"\u003eCommercial pressure washers\u003c\/li\u003e\n\u003cli data-section-id=\"1wpc0sg\" data-start=\"2776\" data-end=\"2807\"\u003eIndustrial cleaning equipment\u003c\/li\u003e\n\u003cli data-section-id=\"1hb3h7x\" data-start=\"2808\" data-end=\"2831\"\u003eFleet washing systems\u003c\/li\u003e\n\u003cli data-section-id=\"9bm7jy\" data-start=\"2832\" data-end=\"2865\"\u003eAgricultural equipment cleaning\u003c\/li\u003e\n\u003cli data-section-id=\"1embcwq\" data-start=\"2866\" data-end=\"2899\"\u003eConstruction equipment cleaning\u003c\/li\u003e\n\u003cli data-section-id=\"1i0u86j\" data-start=\"2900\" data-end=\"2926\"\u003eManufacturing facilities\u003c\/li\u003e\n\u003cli data-section-id=\"mt98dm\" data-start=\"2927\" data-end=\"2956\"\u003eOEM equipment installations\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2958\" data-end=\"3088\"\u003eAlways verify shaft dimensions, mounting configuration, horsepower requirements, and pressure\/flow specifications before ordering.\u003c\/p\u003e\n\u003chr data-start=\"3090\" data-end=\"3093\"\u003e\n\u003ch1 data-section-id=\"1ebu7jn\" data-start=\"3095\" data-end=\"3133\"\u003eFunction of the Pressure Washer Pump\u003c\/h1\u003e\n\u003cp data-start=\"3135\" data-end=\"3161\"\u003eThe FWS2-4040S pump helps:\u003c\/p\u003e\n\u003cul data-start=\"3163\" data-end=\"3450\"\u003e\n\u003cli data-section-id=\"1f0pk6l\" data-start=\"3163\" data-end=\"3204\"\u003eDeliver up to \u003cstrong data-start=\"3179\" data-end=\"3190\"\u003e4.0 GPM\u003c\/strong\u003e of water flow\u003c\/li\u003e\n\u003cli data-section-id=\"z8nl78\" data-start=\"3205\" data-end=\"3255\"\u003eGenerate operating pressures up to \u003cstrong data-start=\"3242\" data-end=\"3255\"\u003e4,000 PSI\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"ob8uf6\" data-start=\"3256\" data-end=\"3311\"\u003eProvide reliable continuous-duty cleaning performance\u003c\/li\u003e\n\u003cli data-section-id=\"1r1ucc1\" data-start=\"3312\" data-end=\"3352\"\u003eOperate efficiently at low pump speeds\u003c\/li\u003e\n\u003cli data-section-id=\"63inim\" data-start=\"3353\" data-end=\"3392\"\u003eReduce heat buildup and internal wear\u003c\/li\u003e\n\u003cli data-section-id=\"1rf54za\" data-start=\"3393\" data-end=\"3450\"\u003eExtend equipment service life in demanding applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"3452\" data-end=\"3593\"\u003eIts heavy-duty triplex plunger design provides superior durability, smoother operation, and longer service life than high-speed pump designs.\u003c\/p\u003e\n\u003chr data-start=\"3595\" data-end=\"3598\"\u003e\n\u003ch1 data-section-id=\"mqxmo4\" data-start=\"3600\" data-end=\"3636\"\u003eCommon Signs Replacement Is Needed\u003c\/h1\u003e\n\u003cp data-start=\"3638\" data-end=\"3669\"\u003eReplace the pump if you notice:\u003c\/p\u003e\n\u003cul data-start=\"3671\" data-end=\"3894\"\u003e\n\u003cli data-section-id=\"zu24k4\" data-start=\"3671\" data-end=\"3699\"\u003eReduced operating pressure\u003c\/li\u003e\n\u003cli data-section-id=\"1f1izt\" data-start=\"3700\" data-end=\"3722\"\u003eDecreased water flow\u003c\/li\u003e\n\u003cli data-section-id=\"10eqapm\" data-start=\"3723\" data-end=\"3743\"\u003eWater or oil leaks\u003c\/li\u003e\n\u003cli data-section-id=\"rs3f56\" data-start=\"3744\" data-end=\"3771\"\u003eExcessive operating noise\u003c\/li\u003e\n\u003cli data-section-id=\"1g2txwa\" data-start=\"3772\" data-end=\"3805\"\u003eCracked or damaged pump housing\u003c\/li\u003e\n\u003cli data-section-id=\"16xn7rj\" data-start=\"3806\" data-end=\"3831\"\u003eExcessive internal wear\u003c\/li\u003e\n\u003cli data-section-id=\"1alt067\" data-start=\"3832\" data-end=\"3862\"\u003eLoss of cleaning performance\u003c\/li\u003e\n\u003cli data-section-id=\"1s772py\" data-start=\"3863\" data-end=\"3894\"\u003ePump failure during operation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"3896\" data-end=\"3998\"\u003eReplacing a worn pump restores pressure washer performance while minimizing costly equipment downtime.\u003c\/p\u003e\n\u003chr data-start=\"4000\" data-end=\"4003\"\u003e\n\u003ch1 data-section-id=\"1547z5u\" data-start=\"4005\" data-end=\"4035\"\u003eInstallation \u0026amp; Service Notes\u003c\/h1\u003e\n\u003cul data-start=\"4037\" data-end=\"4621\"\u003e\n\u003cli data-section-id=\"iv93qe\" data-start=\"4037\" data-end=\"4101\"\u003eShut down the pressure washer and relieve all system pressure.\u003c\/li\u003e\n\u003cli data-section-id=\"1me0y3q\" data-start=\"4102\" data-end=\"4152\"\u003eDisconnect the engine or motor before servicing.\u003c\/li\u003e\n\u003cli data-section-id=\"63ecj2\" data-start=\"4153\" data-end=\"4294\"\u003eVerify compatibility with the \u003cstrong data-start=\"4185\" data-end=\"4200\"\u003e32 mm shaft\u003c\/strong\u003e, mounting configuration, pulley alignment, horsepower requirements, and plumbing connections.\u003c\/li\u003e\n\u003cli data-section-id=\"rdentd\" data-start=\"4295\" data-end=\"4361\"\u003eInstall the pump according to the manufacturer's specifications.\u003c\/li\u003e\n\u003cli data-section-id=\"u6is5z\" data-start=\"4362\" data-end=\"4428\"\u003eConnect the \u003cstrong data-start=\"4376\" data-end=\"4394\"\u003e1\/2\" FPT inlet\u003c\/strong\u003e and \u003cstrong data-start=\"4399\" data-end=\"4418\"\u003e3\/8\" FPT outlet\u003c\/strong\u003e fittings.\u003c\/li\u003e\n\u003cli data-section-id=\"n0r99j\" data-start=\"4429\" data-end=\"4509\"\u003eFill the crankcase with the recommended pump oil before operation if required.\u003c\/li\u003e\n\u003cli data-section-id=\"z9jstr\" data-start=\"4510\" data-end=\"4553\"\u003ePrime the pump with water before startup.\u003c\/li\u003e\n\u003cli data-section-id=\"2i5ge8\" data-start=\"4554\" data-end=\"4621\"\u003eVerify proper operation and inspect for leaks after installation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"4623\" data-end=\"4817\"\u003e\u003cstrong data-start=\"4623\" data-end=\"4637\"\u003eImportant:\u003c\/strong\u003e Never operate the pump without an adequate water supply. Running the pump dry can quickly damage the ceramic plungers, seals, and valves, significantly reducing pump service life.\u003c\/p\u003e\n\u003chr data-start=\"4819\" data-end=\"4822\"\u003e\n\u003ch1 data-section-id=\"16tfrdt\" data-start=\"4824\" data-end=\"4853\"\u003eMaintenance Recommendations\u003c\/h1\u003e\n\u003cul data-start=\"4855\" data-end=\"5341\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e\n\u003cli data-section-id=\"79aafo\" data-start=\"4855\" data-end=\"4952\"\u003eCheck the pump oil level regularly and change the oil according to Comet maintenance schedules.\u003c\/li\u003e\n\u003cli data-section-id=\"hekov1\" data-start=\"4953\" data-end=\"5052\"\u003eInspect ceramic plungers, packings, water seals, valves, and fittings during routine maintenance.\u003c\/li\u003e\n\u003cli data-section-id=\"102oikd\" data-start=\"5053\" data-end=\"5118\"\u003eMaintain clean, filtered inlet water to minimize internal wear.\u003c\/li\u003e\n\u003cli data-section-id=\"stflig\" data-start=\"5119\" data-end=\"5196\"\u003eCheck pulley alignment and belt tension periodically on belt-drive systems.\u003c\/li\u003e\n\u003cli data-section-id=\"qwqn77\" data-start=\"5197\" data-end=\"5341\" data-is-last-node=\"\"\u003eUse only genuine OEM Comet replacement parts and approved 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":"Comet","offers":[{"title":"Default Title","offer_id":53447064617323,"sku":"FWS2-4040S","price":799.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0917\/9201\/5723\/files\/FWS2-4040S.jpg?v=1782956281","url":"https:\/\/generalsprayers.com\/products\/comet-fws2-4040s-pressure-washer-pump-4-0-gpm-4000-psi-1750-rpm-24mm-shaft","provider":"GeneralSprayers","version":"1.0","type":"link"}