{"title":"O2 Sensor Spacers","description":"\u003cp\u003eGet a clean, compact sensor installation with FlowRods M18x1.5 O2 sensor spacers. Each spacer combines a solid metal body, integrated mini catalytic honeycomb core and wrench-friendly hex base.\u003c\/p\u003e\u003ch2\u003eChoose the Pack for Your Job\u003c\/h2\u003e\u003cp\u003eShop 1-, 2-, 3- and 4-piece packs for one installation, multiple vehicles or workshop stock.\u003c\/p\u003e\u003ch2\u003eCheck Fitment Before Ordering\u003c\/h2\u003e\u003cp\u003eConfirm M18x1.5 sensor threads, the intended sensor position and available exhaust clearance. Professional installation is recommended. Read our \u003ca href=\"\/products\/o2-sensor\"\u003espacer fitment FAQ\u003c\/a\u003e or choose a \u003ca href=\"\/products\/2-in-1-exhaust-care-kit-o2-sensor-spacer-catalytic-cleaner\"\u003espacer and cleaner kit\u003c\/a\u003e.\u003c\/p\u003e","products":[{"product_id":"o2-sensor-spacer-set","title":"O2 Sensor Spacer with Mini Catalytic Converter - 4 Pack","description":"\u003cp\u003e\u003cstrong\u003eFour matching spacers at the strongest per-piece value in the FlowRods range.\u003c\/strong\u003e Built for garages and workshop stock, each M18x1.5 adapter includes a solid metal body, integrated mini catalytic honeycomb core and wrench-friendly hex base.\u003c\/p\u003e\n\u003ch2\u003eBest-Value 4-Pack\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e4 x M18x1.5 O2 sensor spacers\u003c\/li\u003e\n\u003cli\u003eLowest per-piece price in the FlowRods spacer range\u003c\/li\u003e\n\u003cli\u003eIntegrated mini catalytic honeycomb core in each spacer\u003c\/li\u003e\n\u003cli\u003eSolid metal construction with hex base\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFitment Check\u003c\/h2\u003e\n\u003cp\u003eConfirm the sensor thread is M18x1.5 and measure available clearance around each intended exhaust port before ordering. Professional installation is recommended.\u003c\/p\u003e\n\u003cp\u003e\u003csmall\u003eUse only where permitted. These adapters are not a substitute for diagnosing or repairing a failed catalytic converter, oxygen sensor or emissions system.\u003c\/small\u003e\u003c\/p\u003e\n\u003cp\u003eCompare quantities and read our \u003ca href=\"\/products\/o2-sensor\"\u003eO2 sensor spacer fitment FAQ\u003c\/a\u003e.\u003c\/p\u003e","brand":"FlowRods","offers":[{"title":"Default Title","offer_id":48354245771485,"sku":"BOOM-02*2","price":39.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0846\/4410\/2365\/files\/73032eb08fbf4e209a8f5789070a762e_tplv-fhlh96nyum-origin-jpeg_6fc8d75b-4246-4991-9a80-115576a06610.jpg?v=1786345709"},{"product_id":"o2-sensor-spacer-trio","title":"O2 Sensor Spacer with Mini Catalytic Converter - 3 Pack","description":"\u003cp\u003e\u003cstrong\u003eThree matching spacers for multi-vehicle garages, repeat jobs or workshop stock.\u003c\/strong\u003e Every FlowRods adapter pairs an M18x1.5 threaded connection with a solid metal body, integrated mini catalytic honeycomb core and wrench-friendly hex base.\u003c\/p\u003e\n\u003ch2\u003eReady-to-Stock 3-Pack\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e3 x M18x1.5 O2 sensor spacers\u003c\/li\u003e\n\u003cli\u003eIntegrated mini catalytic honeycomb core in each spacer\u003c\/li\u003e\n\u003cli\u003eSolid metal construction\u003c\/li\u003e\n\u003cli\u003eHex base for confident wrench access\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFitment Check\u003c\/h2\u003e\n\u003cp\u003eConfirm the sensor thread is M18x1.5 and measure available clearance around each intended exhaust port before ordering. Professional installation is recommended.\u003c\/p\u003e\n\u003cp\u003e\u003csmall\u003eUse only where permitted. These adapters are not a substitute for diagnosing or repairing a failed catalytic converter, oxygen sensor or emissions system.\u003c\/small\u003e\u003c\/p\u003e\n\u003cp\u003eCompare quantities and read our \u003ca href=\"\/products\/o2-sensor\"\u003eO2 sensor spacer fitment FAQ\u003c\/a\u003e.\u003c\/p\u003e","brand":"FlowRods","offers":[{"title":"Default Title","offer_id":48354246000861,"sku":"BOOM-02+BOOM-01","price":32.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0846\/4410\/2365\/files\/29b5ba069d524cd7af76d6da233d9156_tplv-fhlh96nyum-origin-jpeg_b092e64a-52c6-49d5-959d-a575f7f5038b.jpg?v=1786345710"},{"product_id":"m18-1-5-thread-adapter-副本","title":"O2 Sensor Spacer with Mini Catalytic Converter - 2 Pack","description":"\u003cp\u003e\u003cstrong\u003eTwo matching spacers, ready for two compatible sensor locations or a spare on hand.\u003c\/strong\u003e Each FlowRods adapter combines an M18x1.5 threaded connection, solid metal body, integrated mini catalytic honeycomb core and wrench-friendly hex base.\u003c\/p\u003e\n\u003ch2\u003eMatched 2-Pack\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e2 x M18x1.5 O2 sensor spacers\u003c\/li\u003e\n\u003cli\u003eIntegrated mini catalytic honeycomb core in each spacer\u003c\/li\u003e\n\u003cli\u003eSolid metal construction\u003c\/li\u003e\n\u003cli\u003eHex base for confident wrench access\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFitment Check\u003c\/h2\u003e\n\u003cp\u003eConfirm the sensor thread is M18x1.5 and measure available clearance around each intended exhaust port before ordering. Professional installation is recommended.\u003c\/p\u003e\n\u003cp\u003e\u003csmall\u003eUse only where permitted. These adapters are not a substitute for diagnosing or repairing a failed catalytic converter, oxygen sensor or emissions system.\u003c\/small\u003e\u003c\/p\u003e\n\u003cp\u003eCompare quantities and read our \u003ca href=\"\/products\/o2-sensor\"\u003eO2 sensor spacer fitment FAQ\u003c\/a\u003e.\u003c\/p\u003e","brand":"FlowRods","offers":[{"title":"Default Title","offer_id":48354246033629,"sku":"BOOM-02","price":25.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0846\/4410\/2365\/files\/40b0d9dc764f4c4b85a3bfa9cf4482e1_tplv-fhlh96nyum-origin-jpeg_2a0875fc-d5ea-43bb-9ee0-297f80c96ac4.jpg?v=1786345712"},{"product_id":"o2-sensor-spacer-extende","title":"O2 Sensor Spacer with Mini Catalytic Converter - 1 Pack","description":"\u003cp\u003e\u003cstrong\u003eBuy exactly one spacer - no extras, no oversized bundle.\u003c\/strong\u003e This compact FlowRods adapter gives a compatible M18x1.5 oxygen sensor installation a solid metal connection, integrated mini catalytic honeycomb core and wrench-friendly hex base.\u003c\/p\u003e\n\u003ch2\u003eWhat You Get\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e1 x M18x1.5 O2 sensor spacer\u003c\/li\u003e\n\u003cli\u003eIntegrated mini catalytic honeycomb core\u003c\/li\u003e\n\u003cli\u003eSolid metal body\u003c\/li\u003e\n\u003cli\u003eHex base for straightforward installation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFitment Check\u003c\/h2\u003e\n\u003cp\u003eConfirm the sensor thread is M18x1.5 and measure available clearance around the intended exhaust port before ordering. Professional installation is recommended.\u003c\/p\u003e\n\u003cp\u003e\u003csmall\u003eUse only where permitted. This adapter is not a substitute for diagnosing or repairing a failed catalytic converter, oxygen sensor or emissions system.\u003c\/small\u003e\u003c\/p\u003e\n\u003cp\u003eCompare pack options and read our \u003ca href=\"\/products\/o2-sensor\"\u003eM18x1.5 O2 sensor spacer fitment FAQ\u003c\/a\u003e.\u003c\/p\u003e","brand":"FlowRods","offers":[{"title":"Default Title","offer_id":48354246066397,"sku":"BOOM-01","price":15.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0846\/4410\/2365\/files\/9f42dd62ec864b038f33037c4062223f_tplv-fhlh96nyum-origin-jpeg_d06d2bbc-14ab-46f1-8909-247942deecc6.jpg?v=1786345713"},{"product_id":"o2-sensor","title":"O2 Sensor Spacer with Mini Catalytic Converter - M18x1.5","description":"\u003cp\u003e\u003cstrong\u003eThe compact M18x1.5 O2 sensor spacer built for a clean, secure sensor installation.\u003c\/strong\u003e FlowRods combines a solid metal body, integrated mini catalytic converter honeycomb core and wrench-friendly hex base in one ready-to-install oxygen sensor extender. Choose 1, 2, 3 or 4 pieces.\u003c\/p\u003e\n\u003ch2\u003eBuilt for the Exhaust Side\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eM18x1.5 threaded connection for compatible oxygen sensor ports\u003c\/li\u003e\n\u003cli\u003eIntegrated mini catalytic honeycomb core\u003c\/li\u003e\n\u003cli\u003eSolid metal construction\u003c\/li\u003e\n\u003cli\u003eHex base for confident wrench access\u003c\/li\u003e\n\u003cli\u003eMulti-pack options for one vehicle, multiple vehicles or workshop stock\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eCheck Fitment Before You Buy\u003c\/h2\u003e\n\u003cp\u003eConfirm the sensor thread is M18x1.5, identify the intended sensor position and measure available clearance around the exhaust port. Professional installation is recommended.\u003c\/p\u003e\n\u003cp\u003e\u003csmall\u003eUse only where permitted. This adapter is not a substitute for diagnosing or repairing a failed catalytic converter, oxygen sensor or emissions system.\u003c\/small\u003e\u003c\/p\u003e\n\u003ch2\u003eGet a Clean, Compact Sensor Installation\u003c\/h2\u003e\u003cp\u003eChoose 1, 2, 3 or 4 pieces above. Each spacer combines M18x1.5 threads, a solid metal body, an integrated mini catalytic core and a wrench-friendly hex base.\u003c\/p\u003e\u003cp\u003eShop with confidence: read our \u003ca href=\"\/policies\/refund-policy\"\u003e30-day return policy for eligible unused items\u003c\/a\u003e and \u003ca href=\"\/policies\/shipping-policy\"\u003eshipping details\u003c\/a\u003e.\u003c\/p\u003e","brand":"FlowRods","offers":[{"title":"2 PCS","offer_id":48354246099165,"sku":"BOOM-02","price":25.98,"currency_code":"USD","in_stock":true},{"title":"1 PC","offer_id":48354246131933,"sku":"BOOM-01","price":15.98,"currency_code":"USD","in_stock":true},{"title":"3 PCS","offer_id":48354246164701,"sku":"BOOM-02+BOOM-01","price":33.98,"currency_code":"USD","in_stock":true},{"title":"4 PCS","offer_id":48354246197469,"sku":"BOOM-02*2","price":39.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0846\/4410\/2365\/files\/ChatGPT_Image_2026_8_18_10_01_24.png?v=1787398806"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0846\/4410\/2365\/collections\/ChatGPT_Image_2026_8_18_10_01_24.png?v=1791442815","url":"https:\/\/flowrods.com\/collections\/o2-sensor-spacers.oembed","provider":"FlowRods","version":"1.0","type":"link"}