{"product_id":"yamatic-pressure-washer-pump-3-4-shaft-horizontal-3400-psi-2-6-gpm-aluminum-body","title":"YAMATIC Pressure Washer Pump 3\/4\" Shaft Horizontal — 3400 PSI 2.6 GPM, Aluminum Body","description":"\u003cp\u003e\u003cstrong\u003eThe YAMATIC horizontal pressure washer pump is a direct-fit replacement pump with a 3\/4\" shaft that delivers up to 3400 PSI at 2.6 GPM for restoring power washer performance without replacing the entire machine.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eIf your gas pressure washer has lost pressure or started leaking, swapping in a new pump is often the fastest, most cost-effective repair. This YAMATIC pump is built for horizontal-mount engines with a 3\/4\" shaft and is designed to match common small-engine pressure washers (about 6.5–7.0 HP). It’s aluminum-bodied, comes with an adjustable unloader, and arrives with the hardware needed for a quick installation.\u003c\/p\u003e\n\n\u003ch3\u003eHow will this pump improve my pressure washer’s performance?\u003c\/h3\u003e\n\u003cp\u003eThe pump restores lost pressure and flow, returning cleaning power to walls, driveways, decks, and vehicles. It’s optimized to perform best between 2800–3400 PSI and pairs with engines that can sustain roughly 3400 RPM under load.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eMax rated output: 3400 PSI at 2.6 GPM.\u003c\/li\u003e\n  \u003cli\u003eBest operating band: 2800–3400 PSI for steady cleaning power.\u003c\/li\u003e\n  \u003cli\u003eEngine compatibility: fits most engines ~212cc (6.5–7.0 HP).\u003c\/li\u003e\n  \u003cli\u003eHorizontal mounting with 3\/4\" keyed shaft for direct replacement.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat features make this pump durable and low maintenance?\u003c\/h3\u003e\n\u003cp\u003eThe YAMATIC pump uses an anodized die-cast aluminum housing and an upgraded double-seal system to resist corrosion and reduce leakage. Internal components like improved pistons and bearings are finished for longer lifecycle and the crankcase is sealed so you don’t need routine oil changes.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFully anodized aluminum body for rust protection.\u003c\/li\u003e\n  \u003cli\u003eDouble-seal design to minimize fluid leaks and contamination.\u003c\/li\u003e\n  \u003cli\u003eUpgraded piston and bearing surface treatments for extended life.\u003c\/li\u003e\n  \u003cli\u003eMaintenance-free sealed crankcase—no routine oil changes required.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow easy is installation and does it include everything I need?\u003c\/h3\u003e\n\u003cp\u003eDesigned for straightforward swap-outs, the kit includes mounting bolts, a shaft key, a siphon tube with filter, and instructions so most users can install it in 5–10 minutes. The adjustable unloader simplifies matching pressure to your engine and eliminates the need to bleed the system before cold starts.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eIncludes bolts, shaft key, siphon tube with filter, and instruction booklet.\u003c\/li\u003e\n  \u003cli\u003eBuilt-in easy-start design—no pressure release required to start engine.\u003c\/li\u003e\n  \u003cli\u003eAdjustable unloader to fine-tune pressure for your engine’s output.\u003c\/li\u003e\n  \u003cli\u003eQuick-install expectations: roughly 5–10 minutes for most users.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhich machines is this pump compatible with and what measurements matter?\u003c\/h3\u003e\n\u003cp\u003eThis pump is engineered to replace many popular models from Simpson, Karcher, Honda, Generac and others, but it requires a horizontal 3\/4\" shaft—engines with a 7\/8\" shaft will not fit. Verify the diagonal hole-to-hole and shaft\/key dimensions before ordering to ensure a correct match.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCommon replacements: selected Simpson, Karcher, Honda, Delta, PowerStroke, Powerboss models.\u003c\/li\u003e\n  \u003cli\u003eMounting dimensions: diagonal screw-hole spacing 3 5\/8\"; hole-to-hole 2 9\/16\".\u003c\/li\u003e\n  \u003cli\u003eShaft key: 3\/16\" width; shaft depth: 2 5\/8\".\u003c\/li\u003e\n  \u003cli\u003eImportant: incompatible with 7\/8\" engine shafts.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho this pump is for: The YAMATIC 3\/4\" horizontal pump is ideal for DIYers, rental shops, landscapers, and homeowners who want to repair a tired gas pressure washer rather than buy a new unit. Choose this pump if your machine supports up to 3400 PSI at 2.6 GPM, has a horizontal 3\/4\" keyed shaft, and you want a durable, low-maintenance replacement with an adjustable unloader for tuning pressure to your engine’s capability.\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 pump fit my pressure washer engine?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Check that your engine uses a horizontal 3\/4\" keyed shaft and supports up to 3400 PSI; 7\/8\" shafts are not compatible.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Do I need to change oil in this pump?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No—this model has a sealed, maintenance-free crankcase so routine oil changes are not required.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"YAMATIC","offers":[{"title":"Default Title","offer_id":56805471420756,"sku":"B0B518P672","price":177.02,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1063\/2652\/4244\/files\/yamatic-front-view-pressure-washer-pump.jpg?v=1786804036","url":"https:\/\/gardenluxe.co.uk\/products\/yamatic-pressure-washer-pump-3-4-shaft-horizontal-3400-psi-2-6-gpm-aluminum-body","provider":"Gardenluxe Uk","version":"1.0","type":"link"}