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AAA 3800 PSI 3.5 GPM Horizontal Replacement Pressure Washer Pump Kit, 90038

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Extend the life of your pressure washer: Save money by replacing your pump instead of buying a whole new power washer. This easy-to-install kit is great for power washers that can support 3800 PSI at 3.5 GPM to wash walls, sidewalks, vehicles, and more; Compatibility: SAE standard bolt pattern fits many gas pressure washers with horizontal engines. To ensure compatibility, be sure to match engine orientation, PSI, GPM, engine shaft diameter, and current pump inlet and outlet connection; Adjustable power: Pump includes PowerBoost Technology that delivers higher pressure at the nozzle for a more efficient cleaning experience; There is also a hand turn knob that lets you reduce power at your convenience for tasks that require lower pressure; Know when to change your oil: The sight glass and advanced oil seal technology eliminates the need for a dipstick. With visibility to the oil level and the oil itself, you can easily see when oil levels are low or if water has clouded the oil; Standard Connections: This replacement pump features a garden hose inlet and quick connect high pressure hose outlet; Use it with many pressure washer hoses, including Simpson Armor 41114, 41096, 41115 or Simpson Monster 41113, 41028, 41030, 41032, 41034

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From the manufacturer With over 60 years of industry-leading experience built into each of our products, it is easy to see why backyard heroes and job site champions everywhere prefer the SIMPSON Advantage. 60 years of innovation and technology breakthroughs Replacement parts to extend the life of your machines Accessories to expand the uses Solutions for every shopper, from DIY to large industry AAA 90038 Horizontal Triplex Plunger Replacement Pump Kit for Gas Powered Pressure Washers Designed to fit most makes and models of gas pressure washers with horizontal engines Designed for performance, the AAA PROFESSIONAL triplex pump rated up to 3800 PSI @ 3.5 GPM is highly efficient.

It minimizes engine load while delivering top performance. The 90038 contains dual oversized ball bearings for better wear, friction resistance and longer-lasting performance in the toughest cleaning environment. Comes equipped with the Easy-Start feature and is rated up to 3800 PSI @ 3.5 GPM. 3800 PSI, 3.5 GPM, 1" Shaft PowerBoost Technology delivers higher pressure at the nozzle Fully adjustable unloader system with ergonomic control Thermal relief protection to prevent the pump overheating AAA Replacement Pump Kit Features Easy Connections The Garden Hose Inlet and QC high pressure outlet make for a simple setup to get your power washer up and running in no time Standard Mounting Options The SAE standard bolt pattern fits most gas-powered pressure washers and simplifies the installation to start

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First Listed on Newegg	November 13, 2026

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Return for refund within: 30 days
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Item#: 9SIC7FWMAJ5704