{"title":"Impellers","description":"","products":[{"product_id":"osculati-16-194-55-replacement-impeller-cef-190","title":"Osculati 16.194.55 Replacement Impeller (CEF 190)","description":"\u003cp\u003eA high-quality neoprene flexible impeller for the raw water cooling pumps fitted to marine generators and small inboard engines. Manufactured by Osculati to OEM specification, this is a direct replacement for the Sherwood G8001 and G8002 pump series — the pumps most commonly found on Cummins-Onan and Kohler marine generator sets.\u003cbr\u003e\u003cbr\u003eImpellers are a routine service item. The flexible rubber blades wear over time and should be inspected at least annually and replaced as a precaution — a failed impeller can cause rapid overheating and serious engine damage. Keeping a spare on board is always good practice.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003e•    Outside diameter: 40mm\u003cbr\u003e•    Length: 19mm\u003cbr\u003e•    Shaft bore: 12mm (single flat \/ D-slot drive)\u003cbr\u003e•    Blades: 6\u003cbr\u003e•    Material: Neoprene\u003cbr\u003e•    Supplied with: gasket\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eFits (cross-reference)\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003e•    Sherwood pump G8001 \/ G8001-01 \/ G8002 \/ G8002-01\u003cbr\u003e•    Cummins-Onan marine generators: MDKBH, 4MDKBH, 5MDKBH\u003cbr\u003e•    Kohler marine generators: 4EF, 5E, 6EF, 7.3E and CD variants\u003cbr\u003e•    Yanmar 3GM30F\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eOEM \/ cross-reference part numbers\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003eOnan 132-0415 \/ 132-0407 \/ 132-0500 · Kohler 359978 · Sherwood 08000K · JMP 7013-01 · CEF 500190 · Sierra 23-3314 \/ 23-2004\u003cbr\u003e\u003c\/p\u003e","brand":"Boat Fittings","offers":[{"title":"Default Title","offer_id":57252796825975,"sku":"SM-2192","price":43.8,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/5679\/9306\/files\/SM-2192-3.jpg?v=1782919991"},{"product_id":"osculati-16-194-49-replacement-impeller-cef-166","title":"Osculati 16.194.49 Replacement Impeller (CEF 166)","description":"\u003cp\u003eA 12-blade neoprene flexible impeller for Sherwood raw water pumps, fitting a wide range of inboard engines from Westerbeke, Onan, Chris Craft, Gray Marine and others. If you own a classic American inboard or a Westerbeke diesel auxiliary, there's a good chance this is the impeller you need.\u003cbr\u003e\u003cbr\u003eThe impeller sits at the heart of your raw water cooling circuit, drawing seawater through the hull and pushing it around the engine. Over time the rubber blades fatigue and lose their flexibility — at which point cooling flow drops and the risk of overheating rises sharply. Annual replacement is the standard recommendation regardless of condition, and it's always worth keeping a spare on board.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003e•    Outside diameter: 57mm\u003cbr\u003e•    Length: 20mm\u003cbr\u003e•    Shaft bore: 12.7mm (½\" keyed \/ square key drive)\u003cbr\u003e•    Blades: 12\u003cbr\u003e•    Material: Neoprene\u003cbr\u003e•    Supplied with: gasket\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eCompatible Sherwood pump models\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003eR30G · G701 · G702 · H70 · H80 · M10095G · M10261G · M10262G · N10360GX · Q10840 · A20 · E05 · E20\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eTypical engine applications\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003e•    Westerbeke: Pilot 10–20, 6-cylinder diesel series, Gov Life Boat\u003cbr\u003e•    Onan: 6.5–10 KW marine generator sets\u003cbr\u003e•    Chris Craft: Model B, Model 283, Model 430\u003cbr\u003e•    Gray Marine: Gov series\u003cbr\u003e•    Palmer: I.H.60\u003cbr\u003e\u003c\/p\u003e","brand":"Boat Fittings","offers":[{"title":"Default Title","offer_id":57252950868343,"sku":"SM-2194","price":25.84,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/5679\/9306\/files\/SM-2194-3.jpg?v=1782922778"}],"url":"https:\/\/www.boatfittings.co.uk\/collections\/impellers.oembed","provider":"Boat Fittings","version":"1.0","type":"link"}