{"product_id":"yanmar-marine-engine-water-pump-gasket-129486-42050","title":"Yanmar Marine Engine Water Pump Gasket - OEM Cooling System Seal","description":"\u003cp\u003e\u003cstrong\u003eOEM Water Pump Gasket for Yanmar Marine Engines\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThis genuine Yanmar water pump gasket is designed for marine engines, providing reliable sealing for water pump assemblies to prevent coolant leaks. Essential for water pump service, impeller replacement, and maintaining proper cooling system operation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eGenuine OEM water pump gasket for Yanmar marine engines\u003c\/li\u003e\n\u003cli\u003eHigh-quality material resists coolant, heat, and pressure\u003c\/li\u003e\n\u003cli\u003ePrevents coolant leaks from water pump assembly\u003c\/li\u003e\n\u003cli\u003eManufactured to exact Yanmar specifications\u003c\/li\u003e\n\u003cli\u003eEssential for water pump and impeller service\u003c\/li\u003e\n\u003cli\u003eReliable sealing in demanding marine environments\u003c\/li\u003e\n\u003cli\u003ePrecision-cut for proper fit and sealing\u003c\/li\u003e\n\u003cli\u003eMaintains proper cooling system operation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFunction \u0026amp; Importance:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe water pump gasket seals the mating surfaces between the water pump housing and the engine block or pump cover. It prevents coolant from leaking while the pump circulates coolant through the engine. The gasket must withstand constant exposure to coolant, heat, and pressure while maintaining a leak-free seal. Worn or damaged water pump gaskets cause coolant leaks, loss of coolant, and potential engine overheating.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWater Pump Service:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWater pump gaskets must be replaced whenever the water pump is serviced, during impeller replacement, or when addressing coolant leaks. The impeller is a critical wear component that should be inspected and replaced regularly (typically annually or every 200-500 hours). Always replace the water pump gasket when servicing the pump or replacing the impeller - never reuse old gaskets.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOEM Quality:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eGenuine Yanmar OEM water pump gaskets are manufactured from materials specifically formulated to resist coolant, heat, and pressure. They are precision-cut to exact dimensions ensuring proper fit with Yanmar water pump housings. Using genuine OEM gaskets ensures leak-free operation and maintains proper cooling system function.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhen to Replace:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWater pump gaskets should be replaced whenever the water pump is disassembled for impeller service, pump repair, or inspection. Never reuse old gaskets - they compress during initial installation and will not seal properly if reused. Replace gaskets when experiencing coolant leaks from the water pump area. Always use new gaskets during any water pump service.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eInstallation:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eClean all mating surfaces thoroughly before gasket installation - remove all old gasket material, corrosion, and debris. Inspect surfaces for damage, pitting, or corrosion that could prevent proper sealing. Install gasket dry unless manufacturer specifies sealant. Position gasket carefully and ensure proper alignment. Torque pump fasteners to Yanmar specifications in proper sequence to ensure even gasket compression.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eService Best Practices:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eAlways use genuine Yanmar OEM water pump gaskets. Never reuse old gaskets. Clean mating surfaces thoroughly and inspect for damage. Replace impeller during water pump service. Follow Yanmar torque specifications and tightening sequences. Fill cooling system with proper coolant mixture. Bleed air from cooling system. Check for leaks after installation and initial engine operation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTechnical Specifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eType: Water pump gasket\u003c\/li\u003e\n\u003cli\u003eCompatible with: Yanmar marine engines\u003c\/li\u003e\n\u003cli\u003ePart Number: 129486-42050\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"YAN","offers":[{"title":"Default Title","offer_id":43564307709988,"sku":"129486-42050","price":8.4,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0743\/5799\/7604\/files\/129486-42050.png?v=1771183770","url":"https:\/\/marisolmarine.com\/products\/yanmar-marine-engine-water-pump-gasket-129486-42050","provider":"Marisol Marine Company","version":"1.0","type":"link"}