{"product_id":"hqpasfy-pressure-washer-pump-head-ar42940-for-troy-bilt-2-2-gpm-aluminum-upgraded-sealing","title":"HQPASFY Pressure Washer Pump Head AR42940 for Troy‑Bilt 2.2 GPM — Aluminum, Upgraded Sealing","description":"\u003cp\u003e\u003cstrong\u003eHQPASFY AR42940 is a high‑quality aluminum replacement pump head engineered to restore reliable 2.2 GPM performance on compatible Troy‑Bilt SRMW\/RMW pressure washer pumps.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eIf your pressure washer is losing pressure, leaking at the head, or showing signs of premature wear, the AR42940 pump head offers a durable, corrosion‑resistant replacement built with upgraded welding and sealing to meet strict quality standards. This unit replaces part numbers AR42940, AR42518, and AR3061, and is designed specifically for 2.2 GPM Troy‑Bilt RMW\/SRMW pump models. Read on to confirm fit, learn installation tips, and understand what to expect from this aluminum pump head.\u003c\/p\u003e\n\n\u003ch3\u003eWhich Troy‑Bilt models will this pump head work with?\u003c\/h3\u003e\n\u003cp\u003eThe AR42940 is made for the 2.2 GPM RMW\/SRMW family of pumps. It fits multiple model variants that share the same flow specification and mounting interface.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCompatible models: RMW2.2G24, RMW2G24, RMW2G20, RMW2.2G20D, RMW2G23B, RMW2G25, SRMW2.2G26.\u003c\/li\u003e\n  \u003cli\u003eReplaces: AR42940, AR42518, AR3061—use these part numbers to cross‑check.\u003c\/li\u003e\n  \u003cli\u003eConfirm your pump’s flow rate is 2.2 GPM before ordering to ensure compatibility.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat should I avoid to prevent damage or leaks?\u003c\/h3\u003e\n\u003cp\u003eDo not use this head on pumps rated above 2.2 GPM: excessive water volume or misfit applications can crack components or cause leakage. Also check and adjust internal screws as instructed to set the correct operating pressure before full installation.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eNOT compatible with SRMW 2.3G28, SRMW2.4G28, SRMW2.5G28 or other 2.3–2.5 GPM units.\u003c\/li\u003e\n  \u003cli\u003eAvoid running at higher-than‑specified pressure; it may break seals or fittings.\u003c\/li\u003e\n  \u003cli\u003eAdjust pressure by tightening\/loosening screws before installation to match your system needs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does the design improve durability and sealing?\u003c\/h3\u003e\n\u003cp\u003eThe pump head uses upgraded welding techniques and high‑grade aluminum to enhance sealing and resist corrosion. Those construction choices reduce leak points and extend service life compared with many stock cast‑iron or lower‑quality replacements.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eAdvanced welding improves joint integrity and reduces potential leak paths.\u003c\/li\u003e\n  \u003cli\u003eAluminum construction offers good corrosion resistance and lighter weight.\u003c\/li\u003e\n  \u003cli\u003eDesigned to meet stringent quality checks for long‑term, trouble‑free use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat do I get in terms of support and warranty?\u003c\/h3\u003e\n\u003cp\u003eHQPASFY backs the AR42940 with a 24‑month warranty and customer support for fitment or performance questions. If you encounter issues, contact the seller for troubleshooting or replacement options under warranty.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e24‑month warranty covers manufacturing defects and workmanship concerns.\u003c\/li\u003e\n  \u003cli\u003eCustomer support available for installation and compatibility help.\u003c\/li\u003e\n  \u003cli\u003eReplacement guidance provided if the part does not match your pump.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The HQPASFY AR42940 pump head is aimed at homeowners and light‑duty pros who need a reliable, corrosion‑resistant replacement for Troy‑Bilt 2.2 GPM RMW\/SRMW pressure washer pumps. Choose this part if your current pump head leaks, pressure has dropped, or you want a longer‑lasting aluminum alternative to restore factory performance—just verify your pump’s 2.2 GPM rating before ordering.\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: Will this fit my SRMW 2.4G pump?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No. The AR42940 is only for 2.2 GPM SRMW\/RMW models and is incompatible with 2.3–2.5 GPM pumps.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I adjust the pressure after installing the pump head?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Adjust pressure by tightening or loosening the screws before installation; avoid over‑pressurizing the part.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"HQPASFY","offers":[{"title":"Default Title","offer_id":56821046739284,"sku":"B0CB2Y4X48","price":69.5,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1063\/2652\/4244\/files\/hqpasfy-ar42940-front-view.jpg?v=1786967251","url":"https:\/\/gardenluxe.co.uk\/products\/hqpasfy-pressure-washer-pump-head-ar42940-for-troy-bilt-2-2-gpm-aluminum-upgraded-sealing","provider":"Gardenluxe Uk","version":"1.0","type":"link"}