{"product_id":"motorad-637-180-thermostat-housing-assembly-w-seal-180-f","title":"Motorad 637-180 Thermostat Housing Assembly w\/ Seal, 180°F","description":"\u003cp\u003eThe Motorad 637-180 is a complete Engine Coolant Thermostat Housing Assembly built to OEM specifications for Toyota Tundra, Sequoia, Land Cruiser, and select Lexus models including LS460, LS600h, LX570, and GX460. Constructed with copper, stainless steel, and plastic components, this assembly features a disk-type mechanical thermostat that opens at 180°F (82.22°C) for consistent cooling system performance. It includes a rubber seal and jiggle pin check valve, plus a bleeder hole for proper air relief during coolant refills. With three mounting holes and a single outlet port measuring approximately 1.2 inches in diameter, installation follows the original equipment layout. Because the gasket or seal is included but mounting hardware is not, buyers should confirm they have the necessary fasteners on hand before installation. This housing assembly suits shops and DIYers seeking a direct-fit cooling system component without sourcing separate parts.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n  \u003cli\u003eDisk-type thermostat opens at 180°F for consistent, OEM-style coolant temperature regulation\u003c\/li\u003e\n  \u003cli\u003eRubber seal included so you skip a separate parts search before installation\u003c\/li\u003e\n  \u003cli\u003eJiggle pin check valve helps release trapped air for smoother cooling system bleeding\u003c\/li\u003e\n  \u003cli\u003eBleeder hole design supports proper air relief during coolant system fill-up\u003c\/li\u003e\n  \u003cli\u003eCopper, stainless steel, and plastic housing matches original equipment fit and layout\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eApplication Summary\u003c\/h3\u003e2007-2008, 2010-2011, 2015-2021 Toyota Tundra 5.7L 5663CC 345CID V8 DOHC 32 Valve Naturally Aspirated GAS\u003cbr\u003e2007-2017 Lexus LS460 4.6L 4608CC -CID V8 DOHC 32 Valve Naturally Aspirated GAS\u003cbr\u003e2008, 2010-2012, 2018-2022 Toyota Sequoia 5.7L 5663CC 345CID V8 DOHC 32 Valve Naturally Aspirated GAS\u003cbr\u003e2008-2011 Lexus GS460 4.6L 4608CC -CID V8 DOHC 32 Valve Naturally Aspirated GAS\u003cbr\u003e2008-2011, 2013-2021 Lexus LX570 5.7L 5663CC 345CID V8 DOHC 32 Valve Naturally Aspirated GAS\u003cbr\u003e2008-2011, 2013-2021 Toyota Land Cruiser 5.7L 5663CC 345CID V8 DOHC 32 Valve Naturally Aspirated GAS\u003cbr\u003e2008-2014 Lexus IS F 5.0L 4969CC 303CID V8 DOHC 32 Valve Naturally Aspirated GAS\u003cbr\u003e2008-2016 Lexus LS600h 5.0L 4968CC -CID V8 DOHC 32 Valve Naturally Aspirated FULL HYBRID EV-GAS (FHEV)\u003cbr\u003e2009, 2012-2018 Toyota Tundra 5.7L 5663CC 345CID V8 DOHC 32 Valve Naturally Aspirated FLEX\u003cbr\u003e2009-2017 Toyota Sequoia 5.7L 5663CC 345CID V8 DOHC 32 Valve Naturally Aspirated FLEX\u003cbr\u003e2010-2014, 2019 Toyota Tundra 4.6L 4608CC -CID V8 DOHC 32 Valve Naturally Aspirated GAS\u003cbr\u003e2010-2023 Lexus GX460 4.6L 4608CC -CID V8 DOHC 32 Valve Naturally Aspirated GAS\u003cbr\u003e2015-2025 Lexus RC F 5.0L 4969CC 303CID V8 DOHC 32 Valve Naturally Aspirated GAS\u003cbr\u003e2016-2020 Lexus GS F 5.0L 4969CC 303CID V8 DOHC 32 Valve Naturally Aspirated GAS\u003cbr\u003e2018-2025 Lexus LC500 5.0L 4969CC 303CID V8 DOHC 32 Valve Naturally Aspirated GAS\u003cbr\u003e2022-2025 Lexus IS500 5.0L 4969CC 303CID V8 DOHC 32 Valve Naturally Aspirated GAS\u003cbr\u003e\n\u003cdiv class=\"-partnumber\"\u003ePart Numbers: 637-180\u003c\/div\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Motorad\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 637-180\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePart Type:\u003c\/strong\u003e Engine Coolant Thermostat Housing Assembly\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 055644637808\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGTIN:\u003c\/strong\u003e 00055644637808\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage Dimensions:\u003c\/strong\u003e 13.2 x 12.2 x 6.2 IN\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage Weight:\u003c\/strong\u003e 2.13 LB\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage Quantity:\u003c\/strong\u003e EA\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Motorad","offers":[{"title":"Default Title","offer_id":47827531235477,"sku":"637-180","price":48.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0496\/4266\/8181\/files\/637-180_Angle.jpg?v=1787708472","url":"https:\/\/mizumoauto.com\/products\/motorad-637-180-thermostat-housing-assembly-w-seal-180-f","provider":"Mizumo Auto","version":"1.0","type":"link"}