{"product_id":"sevencow-oil-reservoir-cap-assembly-for-mercury-mariner-v-6-105-240hp-direct-fit-replacement-with-float-and-harness","title":"sevencow Oil Reservoir Cap Assembly for Mercury\/Mariner V‑6 105–240HP — direct-fit replacement with float and harness","description":"\u003cp\u003e\u003cstrong\u003esevencow Oil Reservoir Cap Assembly is a direct-fit replacement oil cap kit for Mercury\/Mariner V‑6 outboards (105–240HP) that restores oil-level sensing and secures your engine's oil reservoir.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eIf your Mercury or Mariner outboard is showing low‑oil warnings, leaking around the oil-tank opening, or the factory oil-cap harness has failed, this sevencow oil reservoir cap assembly provides a complete swap‑in solution. The kit contains the cap, gasket, float, reservoir push nut and wiring harness so you can restore the oil-level circuit and reseal the tank without adapting multiple parts.\u003c\/p\u003e\n\n\u003ch3\u003eWhich models and part numbers does this cap replace?\u003c\/h3\u003e\n\u003cp\u003eThis assembly fits a broad range of Mercury\/Mariner outboards including EFI PRO MAX, M2, Blackmax, Sport and Jet Boat XR2\/XR4\/XR6 V‑6 models rated from 105HP up to 240HP. It is designed to replace several OE numbers so you can match it to older or discontinued caps.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCompatible model years and lines: Mercury\/Mariner outboards 105–240HP (V‑6 applications).\u003c\/li\u003e\n  \u003cli\u003eDirect replacements include part numbers 43300A1, 43300A5, 43300A6, 36-43300A9 and 99024A4.\u003c\/li\u003e\n  \u003cli\u003eWorks with EFI PRO MAX, M2, Blackmax, Sport and XR series jet boat installations.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does this assembly restore oil-level sensing and sealing?\u003c\/h3\u003e\n\u003cp\u003eThe kit includes the float and wiring harness needed to reconnect the oil-level switch circuit and the gasket and push nut to reseal the reservoir. Replacing the entire assembly eliminates intermittent sensor faults caused by corroded connectors or damaged floats.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFloat and harness reconnect to the oil warning module for accurate low‑oil alerts.\u003c\/li\u003e\n  \u003cli\u003eNew gasket and push nut provide a water‑tight seal around the reservoir opening.\u003c\/li\u003e\n  \u003cli\u003eCap body designed to match OEM dimensions so it seats correctly on the tank neck.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat’s involved in installation and wiring steps?\u003c\/h3\u003e\n\u003cp\u003eInstallation is straightforward for anyone comfortable with basic outboard maintenance: remove the old cap, fit the new gasket and push nut, and connect two harness leads. No special tools or tank modifications are required.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eConnect the black lead to engine ground to complete the circuit.\u003c\/li\u003e\n  \u003cli\u003eAttach the blue lead to the oil warning module input for level sensing.\u003c\/li\u003e\n  \u003cli\u003eTighten the cap on the oil tank so the gasket compresses evenly for a secure seal.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat durability and service expectations should you have?\u003c\/h3\u003e\n\u003cp\u003eThe assembly is manufactured to withstand typical marine environments and replaces worn or failing OEM caps. sevencow offers a 30‑day refund policy for buyer confidence if the part does not meet expectations or fit your application.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eMaterials selected for corrosion resistance in saltwater and freshwater environments.\u003c\/li\u003e\n  \u003cli\u003eComplete assembly reduces the chance of wiring or float failure after replacement.\u003c\/li\u003e\n  \u003cli\u003e30‑day satisfaction guarantee for returns and customer support assistance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: boat owners and marine technicians running Mercury\/Mariner V‑6 outboards (105–240HP) who need a one‑piece oil reservoir cap kit to restore reliable oil‑level sensing and a secure tank seal. Choose this sevencow assembly when you want a direct replacement for legacy part numbers without fabricating connectors or mixing parts from multiple suppliers.\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: Will this cap fit my Mercury 150HP outboard?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. This sevencow assembly fits many Mercury\/Mariner V‑6 models 105–240HP, including 150HP, replacing listed part numbers.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Do I need special tools to install it?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No special tools are required—remove the old cap, install gasket and push nut, then connect the black and blue leads.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"sevencow","offers":[{"title":"Default Title","offer_id":67590710591673,"sku":"B0BSF5XPXP","price":81.33,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/3765\/3177\/files\/sevencow-front-cap-assembly.jpg?v=1790536353","url":"https:\/\/redleafauto.ca\/products\/sevencow-oil-reservoir-cap-assembly-for-mercury-mariner-v-6-105-240hp-direct-fit-replacement-with-float-and-harness","provider":"Redleaf Auto","version":"1.0","type":"link"}