{"product_id":"4-pin-1-965261-1-144998-1-amp-sealed-oxygen-sensor-starter-connector","title":"4-Pin 1-965261-1 \/ 144998-1 Sealed Male Female Connector – AMP Oxygen Sensor \u0026 Starter","description":"\u003ch2\u003e4-Pin 1-965261-1 \/ 144998-1 Sealed Male \u0026amp; Female Connector – AMP Oxygen Sensor \u0026amp; Starter Harness\u003c\/h2\u003e\u003cp\u003eDirect-fit replacement for TE Connectivity \/ AMP part numbers \u003cstrong\u003e1-965261-1\u003c\/strong\u003e (male plug) and \u003cstrong\u003e144998-1\u003c\/strong\u003e (female socket), a 4-pin sealed connector pair used for oxygen sensor harness connections and starter motor wiring on automotive applications. The AMP sealed series provides robust IP68 protection for underbody and exhaust-adjacent sensor locations.\u003c\/p\u003e\u003ch3\u003eKey Specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Part Numbers:\u003c\/strong\u003e 1-965261-1 (male) \/ 144998-1 (female)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePin Count:\u003c\/strong\u003e 4\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeal Type:\u003c\/strong\u003e Fully sealed (IP68)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWire Gauge:\u003c\/strong\u003e 18 AWG (0.5 mm²)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWire Length:\u003c\/strong\u003e 5.5 inches (140 mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHousing Material:\u003c\/strong\u003e PA66 glass-filled nylon\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTerminal Material:\u003c\/strong\u003e Copper alloy, tin-plated\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCurrent Rating:\u003c\/strong\u003e Up to 13A per pin\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e -40°C to +125°C\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eApplications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWideband oxygen (O2) sensor harness:\u003c\/strong\u003e 4-pin wideband lambda sensor connector (heater + signal circuits)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStarter motor relay harness:\u003c\/strong\u003e 4-pin starter control and power circuit connector\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExhaust gas temperature (EGT) sensor:\u003c\/strong\u003e Turbo and diesel engine EGT sensor wiring\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFuel injector harness:\u003c\/strong\u003e 4-pin injector connector on some European OEM platforms\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e4-Pin O2 Sensor – Pin Assignment\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePin\u003c\/th\u003e\n\u003cth\u003eCircuit\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003ctd\u003eHeater power supply (12V)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003ctd\u003eHeater ground\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3\u003c\/td\u003e\n\u003ctd\u003eO2 signal output (0.1–0.9V narrowband \/ 0–5V wideband)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4\u003c\/td\u003e\n\u003ctd\u003eSignal ground reference\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eFault Codes Linked to O2 Sensor Connector Failure\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eP0030 \/ P0050\u003c\/strong\u003e – O2 Sensor Heater Control Circuit (Bank 1\/2, Sensor 1)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eP0031 \/ P0051\u003c\/strong\u003e – O2 Sensor Heater Circuit Low (open at Pin 1 or 2)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eP0131 \/ P0151\u003c\/strong\u003e – O2 Sensor Circuit Low Voltage\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eP0136 \/ P0156\u003c\/strong\u003e – O2 Sensor Circuit (Bank 1\/2, Sensor 2)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eQ: What is the difference between 1-965261-1 and 144998-1?\u003c\/strong\u003e\u003cbr\u003eA: 1-965261-1 is the male plug housing (harness side); 144998-1 is the female socket housing (sensor side). For O2 sensor replacement, you typically need the female socket (144998-1) which connects directly to the sensor body.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ: Can a bad O2 sensor connector cause a rich or lean condition?\u003c\/strong\u003e\u003cbr\u003eA: Yes. An open circuit at the O2 sensor connector causes the ECM to lose lambda feedback and default to open-loop fueling, which typically results in a rich condition (P0172 \/ P0175) and increased fuel consumption.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ: What crimping tool is needed?\u003c\/strong\u003e\u003cbr\u003eA: Use a ratchet crimper rated for 18 AWG (0.5 mm²) AMP sealed terminals – Engineer PA-09 or equivalent precision ratchet crimper.\u003c\/p\u003e\u003ch3\u003ePackage Contents\u003c\/h3\u003e\u003cp\u003e1 × 4-Pin Male Connector (1-965261-1) with 18 AWG wire\u003cbr\u003e1 × 4-Pin Female Connector (144998-1) with 18 AWG wire and terminal inserts\u003c\/p\u003e","brand":"Cable Parts Online","offers":[{"title":"4P \/ Female with Wire \/ China Mainland|Line Connector|3 Sets","offer_id":47844191240437,"sku":"14:200004891#Female with Wire;200001249:202408832#3 Sets;200007763:201336100;200497261:200000933;462:203053809","price":55.2,"currency_code":"USD","in_stock":true},{"title":"4P \/ Female with Wire \/ China Mainland|Line Connector|1 Set","offer_id":47844191273205,"sku":"14:200004891#Female with Wire;200001249:202408830#1 Set;200007763:201336100;200497261:200000933;462:203053809","price":18.45,"currency_code":"USD","in_stock":true},{"title":"4P \/ Female with Wire \/ China Mainland|Line Connector|10 Sets","offer_id":47844191371509,"sku":"14:200004891#Female with Wire;200001249:202408829#10 Sets;200007763:201336100;200497261:200000933;462:203053809","price":183.9,"currency_code":"USD","in_stock":true},{"title":"4P \/ Male with Wire \/ China Mainland|Line Connector|3 Sets","offer_id":47844191338741,"sku":"14:200004890#Male with Wire;200001249:202408832#3 Sets;200007763:201336100;200497261:200000933;462:203053809","price":45.75,"currency_code":"USD","in_stock":true},{"title":"4P \/ Male with Wire \/ China Mainland|Line Connector|1 Set","offer_id":47844191404277,"sku":"14:200004890#Male with Wire;200001249:202408830#1 Set;200007763:201336100;200497261:200000933;462:203053809","price":15.3,"currency_code":"USD","in_stock":true},{"title":"4P \/ Male with Wire \/ China Mainland|Line Connector|10 Sets","offer_id":47844191305973,"sku":"14:200004890#Male with Wire;200001249:202408829#10 Sets;200007763:201336100;200497261:200000933;462:203053809","price":152.4,"currency_code":"USD","in_stock":true},{"title":"4P \/ MaleFemale with Wire \/ China Mainland|Line Connector|3 Sets","offer_id":47844191469813,"sku":"14:200004889#MaleFemale with Wire;200001249:202408832#3 Sets;200007763:201336100;200497261:200000933;462:203053809","price":100.95,"currency_code":"USD","in_stock":true},{"title":"4P \/ MaleFemale with Wire \/ China Mainland|Line Connector|1 Set","offer_id":47844191502581,"sku":"14:200004889#MaleFemale with Wire;200001249:202408830#1 Set;200007763:201336100;200497261:200000933;462:203053809","price":33.6,"currency_code":"USD","in_stock":true},{"title":"4P \/ MaleFemale with Wire \/ China Mainland|Line Connector|10 Sets","offer_id":47844191437045,"sku":"14:200004889#MaleFemale with Wire;200001249:202408829#10 Sets;200007763:201336100;200497261:200000933;462:203053809","price":336.45,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0732\/3494\/0149\/files\/S2c7e83e3182846c9b65b79c924103584M.webp?v=1773810044","url":"https:\/\/www.csldmcml.com\/products\/4-pin-1-965261-1-144998-1-amp-sealed-oxygen-sensor-starter-connector","provider":"Cable Parts Online","version":"1.0","type":"link"}