{"product_id":"oxygen-sensors-for-jeep-wrangler-2012-2018-3-6l-upstream-downstream","title":"Oxygen Sensors for Jeep Wrangler (2012-2018) 3.6L Upstream \u0026 Downstream","description":"\u003ch2 style=\"font-size: clamp(18px, 3vw, 21px); margin-bottom: 15px; line-height: 1.3;\"\u003eDirect-Fit Oxygen Sensor Set for 2012-2018 Jeep Wrangler (JK)\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat it Does:\u003c\/strong\u003e The oxygen sensor set replaces aged upstream and downstream sensors on the 2012-2018 Wrangler to restore closed-loop fuel management, balance air-fuel ratios, and ensure catalytic efficiency.\u003c\/p\u003e\n\n\u003ch3\u003eThe Stock Jeep Wrangler Sensor Degradation\u003c\/h3\u003e\n\u003cp\u003eFactory lambda sensors on the \u003cstrong\u003eJeep Wrangler JK\u003c\/strong\u003e degrade over time due to sustained high exhaust gas temperatures, silicone fouling, and continuous exposure to oil vapor and carbon buildup. As the internal zirconia sensing elements deplete, response rates drop, causing skewed voltage signals to the powertrain control module. This signal lag delays stoichiometric correction, leading to erratic short-term and long-term fuel trims, rough idle, poor fuel economy, and diagnostic trouble codes such as P0130 through P0161, or false catalytic threshold codes P0420 and P0430.\u003c\/p\u003e\n\n\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n\u003cp\u003eThis four-piece direct-fit oxygen sensor set restores fast-switching closed-loop operation to the \u003cstrong\u003e3.6L Pentastar V6\u003c\/strong\u003e exhaust tract. Engineered with high-temperature ceramic sensing cores and stainless-steel outer shielding, these sensors resist thermal shock and severe vibrational load. Pre-terminated 4-pin weather-pack connectors match factory harness pinouts with exact-length lead wires to eliminate cutting, splicing, or resistance variance. Pre-treated threads allow clean installation into factory exhaust bungs to prevent galling.\u003c\/p\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e2 Upstream Oxygen Sensors\u003c\/li\u003e\n  \u003cli\u003e2 Downstream Oxygen Sensors\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x: auto; margin-bottom: 20px;\"\u003e\n  \u003ctable width=\"100%\" style=\"border-collapse: collapse; border: 1px solid #e0e0e0; font-size: 14px; min-width: 300px;\"\u003e\n    \u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003cth style=\"padding:10px; text-align: left; border: 1px solid #e0e0e0;\"\u003eFitment\u003c\/th\u003e\n\u003ctd style=\"padding:10px; border: 1px solid #e0e0e0;\"\u003e2012-2018 Jeep Wrangler\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth style=\"padding:10px; text-align: left; border: 1px solid #e0e0e0;\"\u003eEngine \/ Chassis\u003c\/th\u003e\n\u003ctd style=\"padding:10px; border: 1px solid #e0e0e0;\"\u003e3.6L Pentastar V6 \/ JK\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003cth style=\"padding:10px; text-align: left; border: 1px solid #e0e0e0;\"\u003eStock Output\u003c\/th\u003e\n\u003ctd style=\"padding:10px; border: 1px solid #e0e0e0;\"\u003e285 hp \/ 260 lb-ft\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth style=\"padding:10px; text-align: left; border: 1px solid #e0e0e0;\"\u003eReplaces OEM Part #\u003c\/th\u003e\n\u003ctd style=\"padding:10px; border: 1px solid #e0e0e0;\"\u003eDirect-fit Bosch\/NTK set matched to the 2012-2018 Wrangler 3.6L\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e2012-2018 Jeep Wrangler 3.6L V6 (All Trims)\u003c\/li\u003e\n  \u003cli\u003e2012-2018 Jeep Wrangler Unlimited 3.6L V6 (All Trims)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions \u0026amp; Fitment Warnings\u003c\/h3\u003e\n\u003ch4\u003eDoes this fit the JK Wrangler?\u003c\/h4\u003e\n\u003cp\u003eYes, this is a direct fit for the 2012-2018 Jeep Wrangler equipped with the \u003cstrong\u003e3.6L Pentastar V6\u003c\/strong\u003e engine.\u003c\/p\u003e\n\n\u003ch4\u003eShould anti-seize compound be applied during installation?\u003c\/h4\u003e\n\u003cp\u003eApply anti-seize compound strictly to the sensor threads only, taking extreme care not to contaminate the porous sensing tip or shroud.\u003c\/p\u003e\n\n\u003ch3\u003eThe Jeep Standard\u003c\/h3\u003e\n\u003cp\u003eBuilt to endure the relentless vibration, mud ingress, and high thermal demands of off-road trail driving, these sensors maintain steady ECU communication under heavy load and severe conditions.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":67895971184888,"sku":"DS-E2Q5G9T9V","price":139.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/1290\/2648\/files\/oxygen-sensors-for-jeep-wrangler-2012-2018-3-6l-upstream-downstream-1.jpg?v=1793289844","url":"https:\/\/performancechiptuning.com\/products\/oxygen-sensors-for-jeep-wrangler-2012-2018-3-6l-upstream-downstream","provider":"Performance Chip Tuning","version":"1.0","type":"link"}