{"product_id":"johnson-pump-189-091028bt1-impeller-f7-series","title":"Johnson Pump 189-091028BT1 Flexible Impeller | F7-Series Raw Water Pump","description":"\u003ch2\u003eJohnson Pump Flexible Impeller — Part No. 189-091028BT1\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number (SKU):\u003c\/strong\u003e 189-091028BT1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number (MPN):\u003c\/strong\u003e 09-1028BT-1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Johnson Pump\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Flexible marine pump impeller\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePump Series:\u003c\/strong\u003e Johnson Pump F7\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBlades:\u003c\/strong\u003e 8\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e MC97 rubber compound\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShaft Connection:\u003c\/strong\u003e Internal spline\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutside Diameter:\u003c\/strong\u003e 2.56 in. (65 mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWidth:\u003c\/strong\u003e 1.98 in. (50.2 mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 7330717011642\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSupersedes \/ Earlier Reference:\u003c\/strong\u003e 09-1028B\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCross-Reference:\u003c\/strong\u003e \u003ca href=\"\/products\/11110180978724\"\u003eJabsco 17937-0001\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhat This Impeller Does\u003c\/h2\u003e\n\u003cp\u003eThe 09-1028BT-1 is a genuine flexible impeller for Johnson Pump F7-series marine pumps, used in raw-water cooling and general water-pumping applications. The MC97 compound resists swelling, minimizes fatigue failures, and delivers the consistent flow required for reliable engine cooling at all operating speeds.\u003c\/p\u003e\n\n\u003ch2\u003eCompatible Pump Models\u003c\/h2\u003e\n\u003cp\u003eConfirm fitment against your \u003cstrong\u003epump model number or existing impeller part number\u003c\/strong\u003e before ordering. This impeller is documented for:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eF7B-3\u003c\/li\u003e\n\u003cli\u003eF7B-3000\u003c\/li\u003e\n\u003cli\u003eF7B-3020\u003c\/li\u003e\n\u003cli\u003eF7B-3030\u003c\/li\u003e\n\u003cli\u003eF7B-30007\u003c\/li\u003e\n\u003cli\u003eF7B-30207\u003c\/li\u003e\n\u003cli\u003eF7B-30307\u003c\/li\u003e\n\u003cli\u003eSelected F7B-5 configurations\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eDocumented Johnson Pump unit numbers that use this impeller:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e10-22045-1\u003c\/li\u003e\n\u003cli\u003e10-22054-1\u003c\/li\u003e\n\u003cli\u003e10-24209-1\u003c\/li\u003e\n\u003cli\u003e10-24209-3\u003c\/li\u003e\n\u003cli\u003e10-24209-5\u003c\/li\u003e\n\u003cli\u003e10-24209-7\u003c\/li\u003e\n\u003cli\u003e10-24209-9\u003c\/li\u003e\n\u003cli\u003e10-24209-11\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCompatible Engine Applications\u003c\/h2\u003e\n\u003cp\u003eThis impeller also appears in parts references for selected Volvo Penta installations. Confirm by pump number — engine family alone is not sufficient for fitment.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eVolvo Penta D4\u003c\/li\u003e\n\u003cli\u003eVolvo Penta MD40 \/ TMD40 \/ TAMD40\u003c\/li\u003e\n\u003cli\u003eVolvo Penta 30-series\u003c\/li\u003e\n\u003cli\u003eVolvo Penta 31-series\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eFitment Verification\u003c\/h2\u003e\n\u003cp\u003eSimilar-looking F-series impellers can differ in diameter, width, hub type, and shaft connection. Always confirm all four identifiers before ordering:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePart number: \u003cstrong\u003e09-1028BT-1\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eOutside diameter: \u003cstrong\u003e65 mm (2.56 in.)\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eWidth: \u003cstrong\u003e50.2 mm (1.98 in.)\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eBlades: \u003cstrong\u003e8\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eHub: \u003cstrong\u003eInternal spline\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhen to Replace\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eBlades are cracked, torn, or permanently bent\u003c\/li\u003e\n\u003cli\u003eBlade tips are missing\u003c\/li\u003e\n\u003cli\u003eRubber has hardened\u003c\/li\u003e\n\u003cli\u003eWater flow has decreased noticeably\u003c\/li\u003e\n\u003cli\u003eEngine temperature is running above normal\u003c\/li\u003e\n\u003cli\u003eThe pump has been run dry\u003c\/li\u003e\n\u003cli\u003eService history is unknown\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eJohnson Pump recommends proactive replacement on a regular service interval — a failing impeller can reduce cooling-water flow and contribute to overheating or pump damage.\u003c\/p\u003e\n\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003cp\u003eWhile the pump is open, inspect the housing bore, cover plate, cam, and shaft seal for wear. If any blades are missing, check downstream cooling passages for fragments before closing the system. Seat the internal spline fully on the pump shaft and use the lubricant specified for your pump model. After installation, confirm normal water flow at the exhaust and check for leaks at the pump cover.\u003c\/p\u003e\n\n\u003ch2\u003eAlternate \u0026amp; Cross-Reference Numbers\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e189-091028BT1 (SKU)\u003c\/li\u003e\n\u003cli\u003e09-1028BT-1 (MPN)\u003c\/li\u003e\n\u003cli\u003e09-1028B (earlier reference, superseded)\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/11110180978724\"\u003eJabsco 17937-0001\u003c\/a\u003e (cross-reference)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eRelated Parts\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/8131455123492\"\u003eJohnson Pump 09-1028BT-1 Impeller Kit\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/11110179602468\"\u003eSeachoice F7 Impeller Kit 17789 | Johnson 09-1028BT-1 \/ Jabsco 17937-0001\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/11110179635236\"\u003eJohnson Pump F4B Impeller Kit 09-1026B-1\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/11110179668004\"\u003eJohnson Pump F5B Impeller Kit 09-1027B-1\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/11110179700772\"\u003eJohnson Pump 09-1027B-10 Impeller | Volvo Penta F5B-9 Raw Water Pump\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eParts Desk Insights\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eBest use case:\u003c\/strong\u003e This is the go-to replacement impeller when you have confirmed an F7-series pump calling for 09-1028BT-1. It is a direct-fit OEM-grade part — no modifications needed.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCommon issues:\u003c\/strong\u003e Customers occasionally order by diameter alone and receive an impeller that doesn't fit — the hub type and width also have to match. Always cross-check all five identifiers (part number, OD, width, blade count, hub type) before confirming the order. If a blade is missing on disassembly, inspect the entire cooling circuit for rubber fragments before reassembly.\u003c\/p\u003e","brand":"LNS","offers":[{"title":"Default Title","offer_id":51156139474980,"sku":"189-091028BT1","price":98.69,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0743\/5799\/7604\/files\/189-091028BT1.jpg?v=1784926815","url":"https:\/\/marisolmarine.com\/products\/johnson-pump-189-091028bt1-impeller-f7-series","provider":"Marisol Marine Company","version":"1.0","type":"link"}