{"product":{"id":11350206251350,"title":"Kooks Mustang Front O2 Extension (2018+) - CAS-109677-8","body_html":"\u003ch2\u003eReplace the front extension with the right Mustang connector\u003c\/h2\u003e\u003cp\u003eThe Kooks CAS-109677-8 supplies one 8\" five-pin front O2 extension for the listed 2018+ Mustang application. It gives the matched header installation the wiring reach it needs, with the exact connector and quantity clear before you order.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSKU:\u003c\/strong\u003e CAS-109677-8\u003c\/p\u003e\u003ch2\u003eFive-pin front connector\u003c\/h2\u003e\u003cp\u003eThis is different from the six-pin 2015-2017 extension. Match the actual connector and model-year application, then route the lead away from hot pipework and moving parts.\u003c\/p\u003e\u003ch2\u003eBuy the quantity you need\u003c\/h2\u003e\u003cp\u003eThe listing supplies one front extension. Order the quantity required for the installation or replacement job. Relevant Kooks header kits include extensions where the application needs them.\u003c\/p\u003e\u003ch2\u003eVehicle fitment\u003c\/h2\u003e\u003ctable class=\"vehicle-fitment\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth scope=\"col\"\u003eYears\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eVehicle and trim\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eEngine\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eApplicable SKU \/ fitting conditions\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e2018-2024\u003c\/td\u003e\n\u003ctd\u003eFord Mustang GT\u003c\/td\u003e\n\u003ctd\u003e5.0L V8\u003c\/td\u003e\n\u003ctd\u003eCAS-109677-8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2018-2024\u003c\/td\u003e\n\u003ctd\u003eFord Mustang GT Premium\u003c\/td\u003e\n\u003ctd\u003e5.0L V8\u003c\/td\u003e\n\u003ctd\u003eCAS-109677-8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2019-2020\u003c\/td\u003e\n\u003ctd\u003eFord Mustang Bullitt\u003c\/td\u003e\n\u003ctd\u003e5.0L V8\u003c\/td\u003e\n\u003ctd\u003eCAS-109677-8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth scope=\"col\"\u003eSpecification\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSKU\u003c\/td\u003e\n\u003ctd\u003eCAS-109677-8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003eListed Mustang application, 2018+\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePosition\u003c\/td\u003e\n\u003ctd\u003eFront O2 sensor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLength\u003c\/td\u003e\n\u003ctd\u003e8\" extension length\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnector\u003c\/td\u003e\n\u003ctd\u003eFive pin\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQuantity\u003c\/td\u003e\n\u003ctd\u003eOne lead\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch2\u003eFAQs\u003c\/h2\u003e\u003ch3\u003eDoes it replace the earlier six-pin lead?\u003c\/h3\u003e\u003cp\u003eIt is the five-pin 2018+ specification. Match the actual connector rather than treating the two year groups as interchangeable.\u003c\/p\u003e\u003ch3\u003eDoes the listing supply both front leads?\u003c\/h3\u003e\u003cp\u003eIt supplies one lead. Order the quantity needed for the installation.\u003c\/p\u003e\u003ch3\u003eIs it a calibration device?\u003c\/h3\u003e\u003cp\u003eNo. It extends the sensor wiring.\u003c\/p\u003e\u003ch2\u003eOrdering and delivery\u003c\/h2\u003e\u003cp\u003eEstimated lead time is 4-6 weeks. Delivery may be faster depending on stock levels. Shipping is charged separately.\u003c\/p\u003e","vendor":"Kooks","product_type":"Oxygen Sensor Extensions","created_at":"2026-10-08T10:41:02+01:00","handle":"kooks-cas-109677-8","updated_at":"2026-10-10T18:29:08+01:00","published_at":"2026-10-09T13:08:26+01:00","template_suffix":null,"published_scope":"global","tags":"brand:kooks, cat:exhausts, dept:performance-parts, fits:ford-mustang, make:ford, type:oxygen-sensor-extension","variants":[{"id":55646893244758,"product_id":11350206251350,"title":"Default Title","price":"36.73","sku":"CAS-109677-8","position":1,"compare_at_price":"","fulfillment_service":"manual","inventory_management":null,"option1":"Default Title","option2":null,"option3":null,"created_at":"2026-10-08T10:41:02+01:00","updated_at":"2026-10-10T18:29:08+01:00","taxable":true,"barcode":"842422181680","grams":454,"image_id":null,"weight":0.454,"weight_unit":"kg","requires_shipping":true,"quantity_rule":{"min":1,"max":null,"increment":1},"price_currency":"GBP","compare_at_price_currency":"","quantity_price_breaks":[]}],"options":[{"id":14512387490134,"product_id":11350206251350,"name":"Title","position":1,"values":["Default Title"]}],"images":[{"id":86449196466518,"product_id":11350206251350,"position":1,"created_at":"2026-10-08T10:41:02+01:00","updated_at":"2026-10-08T10:41:05+01:00","alt":"Kooks O2 Extension Harness 2018+ Mustang 1) 8 inch Front Extension Harness (5-Pin)","width":400,"height":368,"src":"https:\/\/cdn.shopify.com\/s\/files\/1\/0952\/1849\/9926\/files\/b166ba5b968d7a8d61c43380c99a78fe.jpg?v=1791452465","variant_ids":[]},{"id":86449196499286,"product_id":11350206251350,"position":2,"created_at":"2026-10-08T10:41:02+01:00","updated_at":"2026-10-08T10:41:05+01:00","alt":"Kooks O2 Extension Harness 2018+ Mustang 1) 8 inch Front Extension Harness (5-Pin)","width":400,"height":266,"src":"https:\/\/cdn.shopify.com\/s\/files\/1\/0952\/1849\/9926\/files\/bd84fdb054f959c165ba1192ac688d8c.jpg?v=1791452465","variant_ids":[]},{"id":86449196532054,"product_id":11350206251350,"position":3,"created_at":"2026-10-08T10:41:02+01:00","updated_at":"2026-10-08T10:41:07+01:00","alt":"Kooks O2 Extension Harness 2018+ Mustang 1) 8 inch Front Extension Harness (5-Pin)","width":3741,"height":3129,"src":"https:\/\/cdn.shopify.com\/s\/files\/1\/0952\/1849\/9926\/files\/60f8e80e22af392f10ae7ed7d9620e00_9e619304-a594-48b2-b2fc-dc1acc64352b.jpg?v=1791452467","variant_ids":[]}],"image":{"id":86449196466518,"product_id":11350206251350,"position":1,"created_at":"2026-10-08T10:41:02+01:00","updated_at":"2026-10-08T10:41:05+01:00","alt":"Kooks O2 Extension Harness 2018+ Mustang 1) 8 inch Front Extension Harness (5-Pin)","width":400,"height":368,"src":"https:\/\/cdn.shopify.com\/s\/files\/1\/0952\/1849\/9926\/files\/b166ba5b968d7a8d61c43380c99a78fe.jpg?v=1791452465","variant_ids":[]}}}