{"product_id":"seasierra-water-pump-kit-for-mercruiser-alpha-one-gen-2-complete-impeller-seal-set-43026q06","title":"SeaSierra Water Pump Kit for MerCruiser Alpha One Gen 2 — Complete Impeller \u0026 Seal Set (43026Q06)","description":"\u003cp\u003e\u003cstrong\u003eThe SeaSierra 43026Q06 Water Pump Kit is a complete replacement set engineered to restore cooling flow in MerCruiser Alpha One Gen 2 sterndrive gearcases.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis kit gathers all the components you need to service the raw-water cooling circuit on compatible MerCruiser Alpha One Gen 2 drives and select Force outboards. It replaces several OEM and aftermarket part numbers, so whether you’re maintaining a routine service schedule or repairing a worn impeller, this single-package solution saves parts hunting and reduces downtime. All items are grouped for straightforward installation and include the impeller, gaskets, seals, hardware and coupling assembly.\u003c\/p\u003e\n\n\u003ch3\u003eWhat parts are included and which originals does it replace?\u003c\/h3\u003e\n\u003cp\u003eThe SeaSierra kit contains the impeller 43026T2 plus an impeller plate, impeller key, O-ring, seal ring gasket, impeller gasket, drain screw gasket and a coupling assembly. It’s intended as a drop-in replacement for multiple factory and aftermarket part numbers.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eIncludes: impeller, plate, key, O-ring, seal ring gasket, impeller gasket, drain screw gasket, coupling assembly\u003c\/li\u003e\n  \u003cli\u003eReplaces MerCruiser numbers such as 47-43026Q06, 47-43026Q5 and related variants\u003c\/li\u003e\n  \u003cli\u003eAlso matches aftermarket Sierra 18-3214\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhich drives and engines is this compatible with?\u003c\/h3\u003e\n\u003cp\u003eThis Water Pump Kit fits MerCruiser Alpha One Gen 2 drives with serial numbers 0D469859 and above, and it’s compatible with certain Force 2-stroke outboard models in 75–120 HP ranges. Verify your drive serial and engine model before purchasing to ensure fitment.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDesigned primarily for MerCruiser Alpha One 1 Gen 2 sterndrives\u003c\/li\u003e\n  \u003cli\u003eCompatible with some Force 2-stroke 75–90–120 HP outboards\u003c\/li\u003e\n  \u003cli\u003eWorks for gearcases meeting the listed serial number threshold\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow will installing this kit affect performance and maintenance?\u003c\/h3\u003e\n\u003cp\u003eReplacing the impeller and associated seals restores proper raw-water circulation, which helps maintain stable engine temperature under load. While not a performance upgrade, fresh elastomer and intact gaskets reduce the risk of overheating and water leaks, leading to more reliable operation and fewer emergency repairs.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRestores designed cooling flow by replacing worn impeller vanes\u003c\/li\u003e\n  \u003cli\u003eNew seals and gaskets reduce leak points and improve reliability\u003c\/li\u003e\n  \u003cli\u003eComplete kit minimizes missing-part issues during service\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat should I know before attempting installation?\u003c\/h3\u003e\n\u003cp\u003eInstallation typically requires basic mechanical tools and access to the lower unit; it’s often done during routine lower-unit service. Inspect the housing for corrosion or scoring, lubricate the new impeller lightly for easier installation, and replace worn fasteners or corroded components to ensure a lasting repair.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCheck lower-unit housing for damage before fitting new parts\u003c\/li\u003e\n  \u003cli\u003eLightly coat impeller for easier installation and initial priming\u003c\/li\u003e\n  \u003cli\u003eFollow torque specs and alignment for the coupling assembly\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: boat owners, marine mechanics and service shops working on MerCruiser Alpha One Gen 2 sterndrives and compatible Force outboards who need a single, complete replacement pack for scheduled maintenance or impeller failure repairs. If you want to avoid one-off parts searching and ensure you have gaskets, seals and the coupling needed for a proper lower-unit water pump job, this SeaSierra kit is intended to simplify the service process.\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: Does this kit fit my MerCruiser Alpha One Gen 2?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, it fits Alpha One Gen 2 sterndrives with serial numbers 0D469859 and above; verify your serial before ordering.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Are all necessary seals included in the kit?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, the kit includes the impeller gasket, seal ring gasket, O-ring, and drain screw gasket for a complete pump service.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"SeaSierra","offers":[{"title":"Default Title","offer_id":55167337365847,"sku":"B0DKNLBGHC","price":42.9,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/seasierra-water-pump-kit-front-packaging.jpg?v=1790383991","url":"https:\/\/britishgarage.co.uk\/products\/seasierra-water-pump-kit-for-mercruiser-alpha-one-gen-2-complete-impeller-seal-set-43026q06","provider":"British Garage","version":"1.0","type":"link"}