{"product_id":"simpson-aaa-90039-horizontal-triplex-pump-kit-4000-psi-3-5-gpm-1-inch-shaft","title":"SIMPSON AAA 90039 Horizontal Triplex Pump Kit — 4000 PSI, 3.5 GPM, 1-inch Shaft","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eUpgrade or replace your gas pressure washer pump with the SIMPSON AAA 90039 Horizontal Triplex Pump Kit. Designed for machines with a horizontal engine and a 1-inch shaft, it can deliver up to 4000 PSI at 3.5 GPM. The stainless steel integrated unloader includes an easy-start system for smoother operation, while dual oversized ball bearings reduce friction for longer life in demanding cleaning environments. This kit arrives ready to install with hardware and a siphon tube for a complete swap, making it a practical option for maintaining performance on a busy job site.\u003c\/p\u003e\n\n\u003ch3\u003eKey benefits\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eExtend the life of your pressure washer by replacing the pump instead of the entire unit, keeping walls, driveways, vehicles, and more clean with fewer interruptions.\u003c\/li\u003e\n  \u003cli\u003ePowerBoost Technology delivers higher nozzle pressure when you need it, with a hand turn knob to dial down pressure for gentler tasks.\u003c\/li\u003e\n  \u003cli\u003eDual oversized ball bearings reduce friction, supporting smoother operation and longer life in tough cleaning environments.\u003c\/li\u003e\n  \u003cli\u003eStainless steel integrated unloader with an easy-start system helps initiate work smoothly and maintain stable performance.\u003c\/li\u003e\n  \u003cli\u003eOil sight glass and advanced oil seal technology provide quick visibility into oil level and oil condition for easier maintenance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCompatibility and installation\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eSAE standard bolt pattern fits many gas pressure washers with horizontal engines. To ensure compatibility, match engine orientation, PSI, GPM, shaft diameter, and current pump inlet\/outlet connections.\u003c\/li\u003e\n  \u003cli\u003eStandard garden hose inlet and quick-connect high-pressure hose outlet enable use with common hoses and accessories.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat’s included\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003ePump body rated up to 4000 PSI at 3.5 GPM, with hardware and siphon tube for a complete replacement kit.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eNote: Verify your unit’s inlet\/outlet orientation to confirm compatibility. This kit targets machines that support up to 4000 PSI and 3.5 GPM with a 1-inch shaft, including many industrial gas-powered setups.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What machines is this pump kit compatible with?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Designed for gas pressure washers with horizontal engines and a 1-inch shaft; verify inlet\/outlet orientation and PSI\/GPM match.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How can this kit benefit my pressure washer?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Includes pump, hardware, and siphon tube; replacing the pump can extend service life and save money while maintaining cleaning power.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"SIMPSON","offers":[{"title":"Default Title","offer_id":48216727519476,"sku":"B00TQLMPM0","price":453.67,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/6652\/0820\/files\/simpson-aaa90039-horizontal-triplex-front-view.jpg?v=1778611983","url":"https:\/\/www.cerapatiogarden.com\/products\/simpson-aaa-90039-horizontal-triplex-pump-kit-4000-psi-3-5-gpm-1-inch-shaft","provider":"Cera Garden","version":"1.0","type":"link"}