{"product_id":"qbp721736","title":"Jabsco Impeller Kit, 3-3\/4 in Diameter x 2-1\/2 in Depth, 1 in Shaft Diameter, Nitrile, 9-Blade, Single Flat Drive, Brass Insert","description":"\u003ch6\u003eOverview\u003c\/h6\u003e\u003cp\u003eThe Jabsco 836-0003-P is a nitrile replacement impeller for flexible impeller pumps that use a 9-blade rotor measuring 3-3\/4 in (95 mm) in diameter, 2-1\/2 in (63.5 mm) wide, with a 1 in (25.4 mm) shaft diameter and a brass insert. It is the size many owners need when servicing bronze flexible impeller pumps used for engine cooling, bilge duty, transfer work, and other general-purpose pumping jobs on board.\u003c\/p\u003e\u003cp\u003eThe nitrile compound matters when the pump handles water that may carry oil or diesel residue, or other heavily contaminated liquids. That makes this version more relevant where the fluid is not consistently clean, as long as the pump calls for this exact impeller size and material.\u003c\/p\u003e\u003ch6\u003eKey features\u003c\/h6\u003e\u003cul\u003e\n\u003cli\u003e9-blade impeller with a 3-3\/4 in outside diameter, 2-1\/2 in width, and 1 in shaft diameter\u003c\/li\u003e\n\u003cli\u003eNitrile construction for pumps that handle water, oily liquids, or contaminated water\u003c\/li\u003e\n\u003cli\u003eBrass insert at the hub\u003c\/li\u003e\n\u003cli\u003eFits many bronze flexible impeller pumps when the blade count, diameter, width, shaft size, and hub details match the original impeller\u003c\/li\u003e\n\u003cli\u003eUseful as a scheduled service spare for pumps in engine cooling, bilge, transfer, and general onboard pumping service\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch6\u003eCompatibility and fit\u003c\/h6\u003e\u003cp\u003eBefore ordering, match the old impeller or pump data to the 9-blade layout, 3-3\/4 in outside diameter, 2-1\/2 in width, and 1 in shaft diameter. Those measurements are the quickest way to confirm fit, especially when several impellers look similar at a glance but use a different depth or hub arrangement.\u003c\/p\u003e\u003cp\u003eThis impeller is a good match for owners replacing the same nitrile configuration already specified in their pump, particularly on boats where bilge or transfer water may include oil contamination. For raw-water systems and other clean-water service, the right compound should still be confirmed against the pump requirement before installation.\u003c\/p\u003e\u003ch6\u003eInstallation and maintenance\u003c\/h6\u003e\u003cp\u003eWhen it is time to replace the impeller, remove the end cover screws and pull the old impeller by the hub with an impeller puller or pliers. Avoid using screwdrivers against the pump body, since that can mark the housing face and create leak paths at the cover.\u003c\/p\u003e\u003cp\u003eGreasing the new impeller before installation helps it slide into the bore and gives it protection during initial prime. Keeping a spare on board is sensible maintenance for any boat that depends on a flexible impeller pump for cooling or fluid transfer.\u003c\/p\u003e","brand":"Jabsco","offers":[{"title":"Default Title","offer_id":52024064475317,"sku":"QBP721736","price":87.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0977\/8171\/1029\/files\/1330104_qbp721736.jpg?v=1780192095","url":"https:\/\/www.qualityboatparts.com\/products\/qbp721736","provider":"Quality Boat Parts","version":"1.0","type":"link"}