{"id":9402465288417,"title":"Classic Instruments SN12MM Temperature Sender 12MM","handle":"clasn12mm","description":"\u003cp style=\"mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal;\" class=\"MsoNormal\"\u003e\u003cspan style=\"font-size: 12.0pt; font-family: 'Times New Roman',serif; mso-fareast-font-family: 'Times New Roman'; color: black;\"\u003eThis Classic Instruments SN12MM Temperature Sender for LS engines monitors your coolant temperature, transmitting an electrical signal to your gauge. As the coolant warms, the sender's internal resistance drops, allowing more current flow to the gauge, which then moves the needle.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal;\" class=\"MsoNormal\"\u003e\u003cspan style=\"font-size: 12.0pt; font-family: 'Times New Roman',serif;\"\u003eMonitor your vital engine systems with this Sender from Classic Instruments!\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 style=\"mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal;\" class=\"MsoNormal\"\u003e\n\u003cb\u003e\u003cu\u003e\u003cspan style=\"font-size: 12.0pt; font-family: 'Times New Roman',serif; mso-fareast-font-family: 'Times New Roman'; color: black;\"\u003eClassic Instruments SN12MM Temperature Sender Features:\u003c\/span\u003e\u003c\/u\u003e\u003c\/b\u003e\u003cb\u003e\u003cspan style=\"font-size: 13.5pt; font-family: 'Times New Roman',serif; mso-fareast-font-family: 'Times New Roman';\"\u003e\u003c\/span\u003e\u003c\/b\u003e\n\u003c\/h3\u003e\n\u003cul type=\"disc\"\u003e\n\u003cli style=\"color: black; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal; mso-list: l0 level1 lfo1; tab-stops: list .5in;\" class=\"MsoNormal\"\u003e\u003cspan style=\"font-size: 12.0pt; font-family: 'Times New Roman',serif; color: windowtext;\"\u003eFor GM LS engines\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"color: black; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal; mso-list: l0 level1 lfo1; tab-stops: list .5in;\" class=\"MsoNormal\"\u003e\u003cspan style=\"font-size: 12.0pt; font-family: 'Times New Roman',serif; color: windowtext;\"\u003eSender Size: M12 x 1.5\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"color: black; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal; mso-list: l0 level1 lfo1; tab-stops: list .5in;\" class=\"MsoNormal\"\u003e\u003cspan style=\"font-size: 12.0pt; font-family: 'Times New Roman',serif; color: windowtext;\"\u003eSender Intended Use: Water Temperature Gauge\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"color: black; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal; mso-list: l0 level1 lfo1; tab-stops: list .5in;\" class=\"MsoNormal\"\u003e\u003cspan style=\"font-size: 12.0pt; font-family: 'Times New Roman',serif; color: windowtext;\"\u003eSender Connection: 1-Pin\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"color: black; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal; mso-list: l0 level1 lfo1; tab-stops: list .5in;\" class=\"MsoNormal\"\u003e\u003cspan style=\"font-size: 12.0pt; font-family: 'Times New Roman',serif; color: windowtext;\"\u003eMaterial: Brass\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"color: black; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal; mso-list: l0 level1 lfo1; tab-stops: list .5in;\" class=\"MsoNormal\"\u003e\u003cspan style=\"font-size: 12.0pt; font-family: 'Times New Roman',serif; mso-fareast-font-family: 'Times New Roman';\"\u003eQuantity: Sold individually\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal;\" class=\"MsoNormal\"\u003e\u003cspan style=\"font-size: 12.0pt; font-family: 'Times New Roman',serif; mso-fareast-font-family: 'Times New Roman'; color: black;\"\u003eClassic Instruments produces replacement and custom instruments and gauges for a variety of classic as well as performance applications. They are renowned in the street rod community for their beautiful, hand-crafted work, available in complete packages or as individual gauges, as well as sending units and accessories.\u003c\/span\u003e\u003c\/p\u003e","published_at":"2026-03-11T11:10:16-05:00","created_at":"2026-03-06T08:31:22-06:00","vendor":"CLASSIC INSTRUMENTS","type":"Sensors and Sending Units","tags":[],"price":3912,"price_min":3912,"price_max":3912,"available":true,"price_varies":false,"compare_at_price":null,"compare_at_price_min":0,"compare_at_price_max":0,"compare_at_price_varies":false,"variants":[{"id":48051644072161,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"CLASN12MM","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"Classic Instruments SN12MM Temperature Sender 12MM","public_title":null,"options":["Default Title"],"price":3912,"weight":0,"compare_at_price":null,"inventory_management":"shopify","barcode":"090127146552","requires_selling_plan":false,"selling_plan_allocations":[],"quantity_rule":{"min":1,"max":null,"increment":1}}],"images":["\/\/www.winnerscircle.com\/cdn\/shop\/files\/SN12mm.webp?v=1773245281"],"featured_image":"\/\/www.winnerscircle.com\/cdn\/shop\/files\/SN12mm.webp?v=1773245281","options":["Title"],"media":[{"alt":"Classic Instruments SN12MM Temperature Sender, M12 x 1.5 thread, Brass, Engine Coolant Sensor, 1-Pin, sold individually","id":39627080302817,"position":1,"preview_image":{"aspect_ratio":1.0,"height":2500,"width":2500,"src":"\/\/www.winnerscircle.com\/cdn\/shop\/files\/SN12mm.webp?v=1773245281"},"aspect_ratio":1.0,"height":2500,"media_type":"image","src":"\/\/www.winnerscircle.com\/cdn\/shop\/files\/SN12mm.webp?v=1773245281","width":2500}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003cp style=\"mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal;\" class=\"MsoNormal\"\u003e\u003cspan style=\"font-size: 12.0pt; font-family: 'Times New Roman',serif; mso-fareast-font-family: 'Times New Roman'; color: black;\"\u003eThis Classic Instruments SN12MM Temperature Sender for LS engines monitors your coolant temperature, transmitting an electrical signal to your gauge. As the coolant warms, the sender's internal resistance drops, allowing more current flow to the gauge, which then moves the needle.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal;\" class=\"MsoNormal\"\u003e\u003cspan style=\"font-size: 12.0pt; font-family: 'Times New Roman',serif;\"\u003eMonitor your vital engine systems with this Sender from Classic Instruments!\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 style=\"mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal;\" class=\"MsoNormal\"\u003e\n\u003cb\u003e\u003cu\u003e\u003cspan style=\"font-size: 12.0pt; font-family: 'Times New Roman',serif; mso-fareast-font-family: 'Times New Roman'; color: black;\"\u003eClassic Instruments SN12MM Temperature Sender Features:\u003c\/span\u003e\u003c\/u\u003e\u003c\/b\u003e\u003cb\u003e\u003cspan style=\"font-size: 13.5pt; font-family: 'Times New Roman',serif; mso-fareast-font-family: 'Times New Roman';\"\u003e\u003c\/span\u003e\u003c\/b\u003e\n\u003c\/h3\u003e\n\u003cul type=\"disc\"\u003e\n\u003cli style=\"color: black; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal; mso-list: l0 level1 lfo1; tab-stops: list .5in;\" class=\"MsoNormal\"\u003e\u003cspan style=\"font-size: 12.0pt; font-family: 'Times New Roman',serif; color: windowtext;\"\u003eFor GM LS engines\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"color: black; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal; mso-list: l0 level1 lfo1; tab-stops: list .5in;\" class=\"MsoNormal\"\u003e\u003cspan style=\"font-size: 12.0pt; font-family: 'Times New Roman',serif; color: windowtext;\"\u003eSender Size: M12 x 1.5\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"color: black; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal; mso-list: l0 level1 lfo1; tab-stops: list .5in;\" class=\"MsoNormal\"\u003e\u003cspan style=\"font-size: 12.0pt; font-family: 'Times New Roman',serif; color: windowtext;\"\u003eSender Intended Use: Water Temperature Gauge\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"color: black; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal; mso-list: l0 level1 lfo1; tab-stops: list .5in;\" class=\"MsoNormal\"\u003e\u003cspan style=\"font-size: 12.0pt; font-family: 'Times New Roman',serif; color: windowtext;\"\u003eSender Connection: 1-Pin\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"color: black; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal; mso-list: l0 level1 lfo1; tab-stops: list .5in;\" class=\"MsoNormal\"\u003e\u003cspan style=\"font-size: 12.0pt; font-family: 'Times New Roman',serif; color: windowtext;\"\u003eMaterial: Brass\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"color: black; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal; mso-list: l0 level1 lfo1; tab-stops: list .5in;\" class=\"MsoNormal\"\u003e\u003cspan style=\"font-size: 12.0pt; font-family: 'Times New Roman',serif; mso-fareast-font-family: 'Times New Roman';\"\u003eQuantity: Sold individually\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal;\" class=\"MsoNormal\"\u003e\u003cspan style=\"font-size: 12.0pt; font-family: 'Times New Roman',serif; mso-fareast-font-family: 'Times New Roman'; color: black;\"\u003eClassic Instruments produces replacement and custom instruments and gauges for a variety of classic as well as performance applications. They are renowned in the street rod community for their beautiful, hand-crafted work, available in complete packages or as individual gauges, as well as sending units and accessories.\u003c\/span\u003e\u003c\/p\u003e"}