{"product_id":"csf-3973-drive-motor-inverter-cooler","title":"CSF 3973 Drive Motor Inverter Cooler","description":"\u003ch2\u003eCSF 3973 Drive Motor Inverter Cooler\u003c\/h2\u003e\u003cp\u003eCSF 3973 is a drive motor inverter cooler built for select Toyota hybrid applications that need stable thermal control under load. It uses an OEM-style plastic tank and aluminum core layout, with an upgraded higher-performance B-tube design for improved cooling efficiency.\u003c\/p\u003e\u003cp\u003eCompatible with 2022-2026 Toyota Tundra and 2023-2025 Toyota Sequoia, this CSF inverter cooler is engineered for direct-fit service on the listed applications. The compact cross-flow design and aluminum core construction support consistent heat transfer in demanding driving conditions.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003ePart number: CSF 3973\u003c\/li\u003e\n\u003cli\u003eDrive motor inverter cooler for select Toyota hybrid platforms\u003c\/li\u003e\n\u003cli\u003eOEM-style plastic tank and aluminum core construction\u003c\/li\u003e\n\u003cli\u003eUpgraded higher-performance B-tube design\u003c\/li\u003e\n\u003cli\u003eCross-flow configuration\u003c\/li\u003e\n\u003cli\u003eSingle-row core design\u003c\/li\u003e\n\u003cli\u003eCore dimensions: 24 7\/16 in. length, 4 1\/4 in. width, 7\/8 in. thickness\u003c\/li\u003e\n\u003cli\u003eInlet: 11\/16 in. right; outlet: 11\/16 in. left\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eCSF 3973 is designed for thermal management in the inverter cooling circuit on select Toyota Tundra and Toyota Sequoia models. The aluminum core helps transfer heat efficiently, while the OEM-style tank layout supports proper fitment in the original cooling package. CSF’s manufacturing process is backed by ISO\/TSO-certified factories and long-running radiator production experience, with products engineered and wind tunnel tested for cooling performance validation.\u003c\/p\u003e\u003cp\u003eThis part cross-references BBB Industries 14000 and G9010-34010 for the same application. For buyers searching for a Toyota Tundra inverter cooler, Toyota Sequoia inverter cooler, or CSF 3973 replacement cooler, this unit matches the listed vehicle coverage and cooling layout requirements.\u003c\/p\u003e\u003ch2\u003eWhat It Helps Address\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eInverter temperature rise during stop-and-go driving\u003c\/li\u003e\n\u003cli\u003eReduced cooling efficiency from a worn or damaged cooler\u003c\/li\u003e\n\u003cli\u003eLeaks caused by aging plastic tank and core assemblies\u003c\/li\u003e\n\u003cli\u003eFitment issues when replacing the original inverter cooler on listed Toyota models\u003c\/li\u003e\n\u003cli\u003eThermal stress in hybrid drive system cooling circuits\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eVerify inlet and outlet orientation before installation: inlet is 11\/16 in. on the right and outlet is 11\/16 in. on the left. Confirm the vehicle is one of the listed applications before ordering, and compare the original cooler’s dimensions and mounting layout to the CSF 3973 unit. This part is intended for 2022-2026 Toyota Tundra and 2023-2025 Toyota Sequoia applications shown in the fitment data.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eCSF manufactures cooling components in ISO\/TSO-certified facilities and validates designs through performance-focused testing. The brand has supplied radiators worldwide for more than 50 years and has produced over 30 million units across its product range.\u003c\/p\u003e","brand":"CSF","offers":[{"title":"Default Title","offer_id":52918180806837,"sku":"BBMD-3973","price":173.74,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/C3_3973_Fro.jpg?v=1785566411","url":"https:\/\/www.partcatalog.com\/products\/csf-3973-drive-motor-inverter-cooler","provider":"PartCatalog","version":"1.0","type":"link"}