{"product_id":"338632-thermostat-cover-for-johnson-evinrude-jlm-marine","title":"338632 Thermostat Cover for Johnson Evinrude | JLM Marine","description":"\u003ch2\u003eThermostat Cover for Johnson Evinrude 90-175 HP V4 V6 Eagle Series – OEM 338632\u003c\/h2\u003e\n\n\u003cp\u003eThis thermostat cover is designed as a direct replacement for Johnson\/Evinrude outboard engines rated at \u003cstrong\u003e90–175 HP\u003c\/strong\u003e in the \u003cstrong\u003eV4 and V6 Eagle Series\u003c\/strong\u003e. Engineered to meet OEM specifications, this cover ensures proper thermostat function and cooling system integrity.\u003c\/p\u003e\n\n\u003cp\u003eReplaces OEM part number \u003cstrong\u003e338632\u003c\/strong\u003e (also known as 0338632). Compatible with 60-degree thermostat configurations commonly found in these engine families.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eFits Johnson\/Evinrude V4 and V6 Eagle Series engines\u003c\/li\u003e\n  \u003cli\u003eDesigned for 60° thermostat applications\u003c\/li\u003e\n  \u003cli\u003eOne thermostat cap per package\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003ePart Number Cross-Reference\u003c\/h2\u003e\n\n\u003cp\u003eUse this table to confirm equivalent part numbers across OEM and aftermarket brands.\u003c\/p\u003e\n\n\u003ctable border=\"1\" cellpadding=\"8\" cellspacing=\"0\"\u003e\n  \u003cthead\u003e\n    \u003ctr\u003e\n      \u003cth\u003eBrand\u003c\/th\u003e\n      \u003cth\u003ePart Number\u003c\/th\u003e\n      \u003cth\u003eNotes\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eJohnson\/Evinrude OMC\u003c\/td\u003e\n      \u003ctd\u003e338632\u003c\/td\u003e\n      \u003ctd\u003ePrimary OEM number\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eJohnson\/Evinrude OMC\u003c\/td\u003e\n      \u003ctd\u003e0338632\u003c\/td\u003e\n      \u003ctd\u003eAlternate format\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eAftermarket\u003c\/td\u003e\n      \u003ctd\u003e8632\u003c\/td\u003e\n      \u003ctd\u003eCross-reference\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eAftermarket\u003c\/td\u003e\n      \u003ctd\u003e13720\u003c\/td\u003e\n      \u003ctd\u003eCross-reference\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eCompatible Engine Models\u003c\/h2\u003e\n\n\u003cp\u003eConfirm your engine model\/year in the table below. For Johnson\/Evinrude owners, here's a guide to help you identify your engine's serial\/model: \u003ca href=\"https:\/\/jlmmarine.com\/blogs\/serial-number-guide\/johnson-serial-number-guide\" rel=\"nofollow noopener\" target=\"_blank\"\u003eJohnson\/Evinrude Serial Number Guide\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ctable border=\"1\" cellpadding=\"8\" cellspacing=\"0\"\u003e\n  \u003cthead\u003e\n    \u003ctr\u003e\n      \u003cth\u003eBrand\u003c\/th\u003e\n      \u003cth\u003eModel\u003c\/th\u003e\n      \u003cth\u003eRated HP\u003c\/th\u003e\n      \u003cth\u003eNotes\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eJohnson\/Evinrude\u003c\/td\u003e\n      \u003ctd\u003eV4 Eagle Series\u003c\/td\u003e\n      \u003ctd\u003e90–175 HP\u003c\/td\u003e\n      \u003ctd\u003e60° thermostat configuration\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eJohnson\/Evinrude\u003c\/td\u003e\n      \u003ctd\u003eV6 Eagle Series\u003c\/td\u003e\n      \u003ctd\u003e90–175 HP\u003c\/td\u003e\n      \u003ctd\u003e60° thermostat configuration\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\n\u003ctable border=\"1\" cellpadding=\"8\" cellspacing=\"0\"\u003e\n  \u003cthead\u003e\n    \u003ctr\u003e\n      \u003cth\u003eSpecification\u003c\/th\u003e\n      \u003cth\u003eValue\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eOEM Part Number\u003c\/td\u003e\n      \u003ctd\u003e338632, 0338632\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eCompatible Brands\u003c\/td\u003e\n      \u003ctd\u003eJohnson, Evinrude\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eEngine Configuration\u003c\/td\u003e\n      \u003ctd\u003eV4, V6 Eagle Series\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eHP Range\u003c\/td\u003e\n      \u003ctd\u003e90–175 HP\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eThermostat Rating\u003c\/td\u003e\n      \u003ctd\u003e60°\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eQuantity Per Package\u003c\/td\u003e\n      \u003ctd\u003e1 piece\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003ePackage Contents\u003c\/h2\u003e\n\n\u003cul\u003e\n  \u003cli\u003e\u003cspan style=\"color:red;\"\u003e1 × Thermostat Cover (Cap)\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eInstallation Guide\u003c\/h2\u003e\n\n\u003col\u003e\n  \u003cli\u003eAllow the engine to cool completely before beginning work on the cooling system.\u003c\/li\u003e\n  \u003cli\u003eDisconnect the battery to prevent accidental ignition during installation.\u003c\/li\u003e\n  \u003cli\u003eDrain coolant or be prepared to catch any residual fluid when removing the old cover.\u003c\/li\u003e\n  \u003cli\u003eRemove the fasteners securing the old thermostat cover and carefully lift it away from the housing.\u003c\/li\u003e\n  \u003cli\u003eInspect the thermostat and housing surfaces for damage, corrosion, or debris; clean thoroughly.\u003c\/li\u003e\n  \u003cli\u003eInstall a new gasket or O-ring (if applicable) onto the thermostat housing or cover.\u003c\/li\u003e\n  \u003cli\u003ePosition the new thermostat cover onto the housing, ensuring proper alignment with mounting holes.\u003c\/li\u003e\n  \u003cli\u003eHand-tighten the fasteners first, then torque evenly in a cross pattern to manufacturer specifications.\u003c\/li\u003e\n  \u003cli\u003eRefill the cooling system with the appropriate coolant or water mixture as specified by the engine manual.\u003c\/li\u003e\n  \u003cli\u003eReconnect the battery and start the engine, allowing it to reach operating temperature.\u003c\/li\u003e\n  \u003cli\u003eCheck for leaks around the thermostat cover and verify proper coolant circulation.\u003c\/li\u003e\n  \u003cli\u003eIf you have any questions about fitment or installation, consult your local dealer before proceeding.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch2\u003eTroubleshooting \u0026amp; FAQ\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: How do I confirm this thermostat cover fits my Johnson\/Evinrude engine?\u003c\/strong\u003e\u003cbr\u003e\nA: Cross-reference your engine's model and HP rating with the compatibility table above. Verify that your engine uses OEM part number 338632 or 0338632. If your engine is a V4 or V6 Eagle Series (90–175 HP) with a 60° thermostat, this cover should fit.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: What are the signs that my thermostat cover needs replacement?\u003c\/strong\u003e\u003cbr\u003e\nA: Common symptoms include coolant leaks around the thermostat housing, overheating due to compromised seal integrity, visible cracks or corrosion on the cover, and loss of coolant pressure. Replace the cover if you notice any of these issues.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Does this cover include a gasket or O-ring?\u003c\/strong\u003e\u003cbr\u003e\nA: This package includes the thermostat cover only. Depending on your engine's design, you may need to purchase a gasket or O-ring separately. Inspect your old cover to determine what sealing components are required.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Can I reuse the old fasteners when installing this cover?\u003c\/strong\u003e\u003cbr\u003e\nA: You may reuse the original fasteners if they are in good condition (no corrosion, stripped threads, or damage). However, replacing fasteners during maintenance is often recommended to ensure a secure, leak-free seal.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Is this an OEM or aftermarket part?\u003c\/strong\u003e\u003cbr\u003e\nA: This listing is an aftermarket replacement part (not an OEM component). We build to OEM specifications using comparable-grade materials. Production is done in an ISO9002-certified facility, and each batch is inspected for consistent performance.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: How fast do you ship and how much does it cost?\u003c\/strong\u003e\u003cbr\u003e\nA: We offer fast global shipping—typically 5–15 days worldwide—and standard shipping is free. Expedited options are available at checkout depending on your location.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: What is your warranty and return policy?\u003c\/strong\u003e\u003cbr\u003e\nA: This product includes a 1-year warranty against manufacturing defects under normal use. If something goes wrong, contact our support team with your order details. Returns are accepted within our standard return window (unused \u0026amp; in original condition); please see our policy page or reach out for instructions.\u003c\/p\u003e\n\n\u003ch2\u003eImportant Notes\u003c\/h2\u003e\n\n\u003cul\u003e\n  \u003cli\u003eVerify that the product images and specifications match your original part. If discrepancies exist—even if your model is listed—do not proceed with the purchase.\u003c\/li\u003e\n  \u003cli\u003eThis product is an aftermarket replacement part and is not an OEM component.\u003c\/li\u003e\n  \u003cli\u003eProfessional installation is recommended to ensure safety and optimal performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhy Choose JLM MARINE?\u003c\/h2\u003e\n\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQuality Assured:\u003c\/strong\u003e As a trusted manufacturer for over 20 years, we supply top marine brands globally.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFast Global Shipping:\u003c\/strong\u003e Free delivery worldwide in 5–15 days.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDirect from Manufacturer:\u003c\/strong\u003e Competitive pricing without compromising quality.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"JLM Marine","offers":[{"title":"Default Title","offer_id":51981005783353,"sku":"23TC171","price":11.39,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0885\/0433\/6697\/files\/1_2b28ff3a-43e7-48a6-a799-0c66532bc2e5.jpg?v=1772414412","url":"https:\/\/jlmmarine.com\/products\/338632-thermostat-cover-for-johnson-evinrude-jlm-marine","provider":"JLM Marine Boat Parts Limited","version":"1.0","type":"link"}