{"product_id":"uiuilz-807252q5-thermostat-kit-160-for-mercruiser-v6-v8-1987-2016-gaskets-housing-sleeve","title":"Uiuilz 807252Q5 Thermostat Kit 160° for MerCruiser V6\/V8 1987–2016 — gaskets \u0026 housing sleeve","description":"\u003cp\u003e\u003cstrong\u003eThe Uiuilz 807252Q5 Thermostat Kit is a complete 160° replacement set engineered to fit MerCruiser GM V6 and V8 inboard\/outdrive engines from 1987–2016.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis kit groups a 160° thermostat with multiple gaskets and a plastic sleeve so you can replace the housing components in one service. It’s designed to match common MerCruiser part numbers and aftermarket equivalents, simplifying repairs on 4.3L, 5.0L, 5.7L, 7.4L, and 8.2L engines. The parts included are intended for routine cooling-system maintenance and to restore a proper seal at the thermostat housing.\u003c\/p\u003e\n\n\u003ch3\u003eWhich engines and model years will this thermostat kit fit?\u003c\/h3\u003e\n\u003cp\u003eThe Uiuilz kit fits MerCruiser GM V6 and V8 engines inboard\/outdrive setups covering model years 1987 through 2016. It is compatible with 4.3L, 5.0L, 5.7L, 7.4L, and 8.2L displacements commonly used in recreational boats and light commercial vessels.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFits MerCruiser V6 \u0026amp; V8 GM engines, 4.3L–8.2L\u003c\/li\u003e\n  \u003cli\u003eCompatible with model years 1987–2016\u003c\/li\u003e\n  \u003cli\u003eReplacement for OEM part numbers including 807252Q5 and related cross-references\u003c\/li\u003e\n  \u003cli\u003eWorks with inboard\/outdrive configurations\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat exactly is included in the kit and why it matters?\u003c\/h3\u003e\n\u003cp\u003eThis kit supplies a 160° thermostat plus a range of gaskets and a plastic housing sleeve so you can complete a thermostat housing service without sourcing multiple parts. The assortment helps ensure proper sealing and prevents coolant leaks after installation.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e1x 160° thermostat (replaces MerCruiser 808252)\u003c\/li\u003e\n  \u003cli\u003e1x plastic housing sleeve (replaces MerCruiser 23-806922)\u003c\/li\u003e\n  \u003cli\u003eMultiple cover and housing gaskets for common housing variations\u003c\/li\u003e\n  \u003cli\u003eCross-references to GLM 13101 and Sierra 18-3647 for compatibility checks\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does this kit match OEM and aftermarket part numbers?\u003c\/h3\u003e\n\u003cp\u003eUiuilz provides part references that align with popular OEM and aftermarket identifiers so technicians can confirm fitment quickly. The kit lists several replacement numbers, reducing the risk of ordering the wrong component for a mid-service repair.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eReplaces MerCruiser numbers such as 807252Q5, 807252T5, 807252T8\u003c\/li\u003e\n  \u003cli\u003eCrosses to GLM Part #13101 and Sierra part numbers like 18-3647\u003c\/li\u003e\n  \u003cli\u003eIncludes matching sleeve and multiple gaskets to address housing variations\u003c\/li\u003e\n  \u003cli\u003eClear cross-references streamline compatibility checks before purchase\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat should I know about warranty and installation notes?\u003c\/h3\u003e\n\u003cp\u003eUiuilz backs the kit with a replacement or refund option if the parts don’t fit your model or if you receive a defective item. It’s recommended to compare the included part shapes and numbers with your existing housing to ensure correct fit before installation.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eWarranty: replacement or refund for fitment issues or defects\u003c\/li\u003e\n  \u003cli\u003eInspect existing parts and match OEM numbers before purchase\u003c\/li\u003e\n  \u003cli\u003eFollow engine service manuals for torque specs and gasket prep\u003c\/li\u003e\n  \u003cli\u003eContact Uiuilz customer support for fitment questions; responses promised within 24 hours\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The Uiuilz 807252Q5 Thermostat Kit is aimed at boat owners, marine mechanics, and DIY service techs who need a reliable replacement for MerCruiser V6 and V8 thermostat housings. If you’re performing routine cooling-system maintenance, replacing a leaking thermostat housing, or restoring proper engine warm-up control on 4.3L–8.2L MerCruiser engines from 1987–2016, this all-in-one kit supplies the thermostat, sleeve, and gaskets to complete the job in a single repair session.\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 include the plastic sleeve?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. This Uiuilz kit includes the plastic housing sleeve (replaces MerCruiser 23-806922).\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Will this fit my 1998 MerCruiser 5.7L engine?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Likely yes—this kit covers MerCruiser 5.7L V8 engines from 1987–2016; verify by matching part numbers before purchase.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Uiuilz","offers":[{"title":"Default Title","offer_id":48085270986910,"sku":"B0D3DKR4QH","price":34.98,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/uiuilz-thermostat-kit-front-packaging.jpg?v=1785868481","url":"https:\/\/northtrailauto.ca\/products\/uiuilz-807252q5-thermostat-kit-160-for-mercruiser-v6-v8-1987-2016-gaskets-housing-sleeve","provider":"North Trail Auto","version":"1.0","type":"link"}