{"product_id":"standard-ignition-s3109-engine-coolant-temperature-sending-unit-switch-connector","title":"Standard Ignition S3109 Engine Coolant Temperature Sending Unit Switch Connector","description":"\u003ch2\u003eEngine Coolant Temperature Connector for Toyota and Lexus\u003c\/h2\u003e\u003cp\u003eStandard Ignition S3109 is an engine coolant temperature sending unit switch connector built for direct replacement on a wide range of Toyota and Lexus applications. It features a weatherproof sealed oval housing, a male connector with a female blade terminal, and 18-gauge single-wire construction for a secure electrical connection.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eStandard Ignition S3109 engine coolant temperature sending unit switch connector\u003c\/li\u003e\n\u003cli\u003eOval connector shape with male connector and female blade terminal\u003c\/li\u003e\n\u003cli\u003e18-gauge wire with 43 cm harness length for service replacement\u003c\/li\u003e\n\u003cli\u003eWeatherproof sealed design\u003c\/li\u003e\n\u003cli\u003eSingle-wire, single-terminal configuration\u003c\/li\u003e\n\u003cli\u003eCompatible With Toyota Tacoma, 4Runner, Tundra, Camry, Corolla, and Lexus GX470 applications\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eThis Standard Ignition S3109 connector is used at the engine coolant temperature sending unit switch connection point, where a stable electrical signal is needed for accurate temperature reporting. The 1-inch housing length and 430 mm harness length support a clean replacement on vehicles such as the Toyota Tacoma, Toyota 4Runner, Toyota Camry, and Lexus GX470. This part cross-references OE-style numbers such as 9098011428 and EC3137 for the same application.\u003c\/p\u003e\u003cp\u003eBuilt with a weatherproof sealed connector body, the S3109 helps maintain a dependable connection in engine-bay conditions. It is a direct-fit electrical connector for many Toyota and Lexus models from 1993 through 2006, including Toyota Land Cruiser, Sequoia, Tundra, Avalon, Sienna, Solara, Supra, and Lexus ES300, LS400, SC400, and LX470.\u003c\/p\u003e\u003ch2\u003eWhat It Helps Fix\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eBroken or heat-damaged coolant temperature sensor connector\u003c\/li\u003e\n\u003cli\u003eIntermittent temperature signal at the sending unit switch\u003c\/li\u003e\n\u003cli\u003eCorroded or loose blade-terminal connection\u003c\/li\u003e\n\u003cli\u003eCracked connector housing or damaged wire lead\u003c\/li\u003e\n\u003cli\u003eElectrical faults at the engine coolant temperature circuit\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eVerify connector shape, terminal style, and wire configuration against the original part before installation. This connector uses a single 18-gauge wire and a female blade terminal, so matching the OE layout is important for proper fitment. Confirm vehicle application by year, make, and model before service on Toyota Tacoma, Toyota 4Runner, Toyota Tundra, Toyota Camry, and related Lexus applications.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eStandard Ignition replacement electrical connectors are built to meet service-replacement requirements for common import applications. S3109 is a practical choice for restoring a secure coolant temperature sensor connection on Toyota and Lexus vehicles.\u003c\/p\u003e","brand":"Standard Ignition","offers":[{"title":"Default Title","offer_id":52820790771893,"sku":"FBHK-S3109","price":24.67,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/SI_S3109_Fro.jpg?v=1784529558","url":"https:\/\/www.partcatalog.com\/products\/standard-ignition-s3109-engine-coolant-temperature-sending-unit-switch-connector","provider":"PartCatalog","version":"1.0","type":"link"}