{"product":{"id":11350207267158,"title":"Kooks 2014-2019 C7 Corvette O2 Extension Kit | EX685-Z","body_html":"\u003ch2\u003eReplace the O2 extension your exhaust needs\u003c\/h2\u003e\u003cp\u003eGet your sensor wiring connected again with the correct Kooks replacement extension for 2014-2019 Chevrolet Corvette C7. This is a practical replacement when an existing oxygen-sensor extension has been damaged or lost, with the harness lengths and connector details listed below.\u003c\/p\u003e\u003cp\u003eSKU: EX685-Z\u003c\/p\u003e\u003ch2\u003eThe correct harness for the job\u003c\/h2\u003e\u003cp\u003eOne 16-inch rear harness; 4-pin; One 21-inch rear harness; 4-pin. Match the plug type, sensor position and extension length to the part you are replacing. Front and rear extensions do different jobs, so use the listed contents rather than choosing by vehicle name alone.\u003c\/p\u003e\u003ch2\u003eReplacement parts for your Kooks exhaust\u003c\/h2\u003e\u003cp\u003eKooks header kits include the required oxygen-sensor extensions where needed. This separate listing lets you replace the extension you need when servicing your exhaust.\u003c\/p\u003e\u003ch2\u003eVehicle fitment\u003c\/h2\u003e\u003cdiv class=\"table-scroll\"\u003e\u003ctable class=\"vehicle-fitment\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth scope=\"col\"\u003eYears\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eVehicle \/ trim\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eEngine\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eApplicable SKU\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eFitting conditions\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e2014-2019\u003c\/td\u003e\n\u003ctd\u003eChevrolet Corvette Stingray\u003c\/td\u003e\n\u003ctd\u003e6.2L V8\u003c\/td\u003e\n\u003ctd\u003eEX685-Z\u003c\/td\u003e\n\u003ctd\u003eReplacement for the matched existing extension; match connector and sensor position\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2014-2016\u003c\/td\u003e\n\u003ctd\u003eChevrolet Corvette Z51\u003c\/td\u003e\n\u003ctd\u003e6.2L V8\u003c\/td\u003e\n\u003ctd\u003eEX685-Z\u003c\/td\u003e\n\u003ctd\u003eReplacement for the matched existing extension; match connector and sensor position\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2015-2019\u003c\/td\u003e\n\u003ctd\u003eChevrolet Corvette Z06\u003c\/td\u003e\n\u003ctd\u003e6.2L V8\u003c\/td\u003e\n\u003ctd\u003eEX685-Z\u003c\/td\u003e\n\u003ctd\u003eReplacement for the matched existing extension; match connector and sensor position\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2017-2019\u003c\/td\u003e\n\u003ctd\u003eChevrolet Corvette Grand Sport\u003c\/td\u003e\n\u003ctd\u003e6.2L V8\u003c\/td\u003e\n\u003ctd\u003eEX685-Z\u003c\/td\u003e\n\u003ctd\u003eReplacement for the matched existing extension; match connector and sensor position\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2019\u003c\/td\u003e\n\u003ctd\u003eChevrolet Corvette ZR1\u003c\/td\u003e\n\u003ctd\u003e6.2L V8\u003c\/td\u003e\n\u003ctd\u003eEX685-Z\u003c\/td\u003e\n\u003ctd\u003eReplacement for the matched existing extension; match connector and sensor position\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\u003cdiv class=\"table-scroll\"\u003e\u003ctable class=\"technical-specifications\"\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\u003eEX685-Z\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003e2014-2019 Chevrolet Corvette C7\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIncluded harnesses\u003c\/td\u003e\n\u003ctd\u003eOne 16-inch rear harness; 4-pin; One 21-inch rear harness; 4-pin\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePurchase purpose\u003c\/td\u003e\n\u003ctd\u003eReplacement for damaged or lost extensions; Kooks header kits include required extensions where needed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003ch3\u003eWhat is supplied?\u003c\/h3\u003e\u003cp\u003eOne 16-inch rear harness; 4-pin; One 21-inch rear harness; 4-pin.\u003c\/p\u003e\u003ch3\u003eDo I need this as an extra with a new header kit?\u003c\/h3\u003e\u003cp\u003eKooks includes the required extensions in its header kits where needed. Use this listing for a damaged or lost extension.\u003c\/p\u003e\u003ch3\u003eWill this change how my O2 sensor works?\u003c\/h3\u003e\u003cp\u003eIt extends the electrical connection. Match the existing sensor and harness connector; the extension is not a replacement oxygen sensor.\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":"2026-10-08T10:41:05+01:00","handle":"kooks-ex685-z","updated_at":"2026-10-11T19:14:46+01:00","published_at":"2026-10-09T13:43:05+01:00","template_suffix":null,"published_scope":"global","tags":"brand:kooks, cat:exhausts, dept:performance-parts, fits:chevrolet-corvette, make:chevrolet, type:oxygen-sensor-extension","variants":[{"id":55646894489942,"product_id":11350207267158,"title":"Default Title","price":"83.71","sku":"EX685-Z","position":1,"compare_at_price":"","fulfillment_service":"manual","inventory_management":null,"option1":"Default Title","option2":null,"option3":null,"created_at":"2026-10-08T10:41:05+01:00","updated_at":"2026-10-11T19:14:46+01:00","taxable":true,"barcode":"842422135324","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":14512388899158,"product_id":11350207267158,"name":"Title","position":1,"values":["Default Title"]}],"images":[{"id":86449201250646,"product_id":11350207267158,"position":1,"created_at":"2026-10-08T10:41:05+01:00","updated_at":"2026-10-08T10:41:10+01:00","alt":"Kooks O2 Extension Kit for 2014-2019 C7 Corvette","width":3480,"height":3480,"src":"https:\/\/cdn.shopify.com\/s\/files\/1\/0952\/1849\/9926\/files\/15499867b4bf71f7fcbf93451c6ef55c.jpg?v=1791452470","variant_ids":[]}],"image":{"id":86449201250646,"product_id":11350207267158,"position":1,"created_at":"2026-10-08T10:41:05+01:00","updated_at":"2026-10-08T10:41:10+01:00","alt":"Kooks O2 Extension Kit for 2014-2019 C7 Corvette","width":3480,"height":3480,"src":"https:\/\/cdn.shopify.com\/s\/files\/1\/0952\/1849\/9926\/files\/15499867b4bf71f7fcbf93451c6ef55c.jpg?v=1791452470","variant_ids":[]}}}