{"product_id":"exoracing-o2-sensor-plug-m18x1-5-304-stainless-steel","title":"Exoracing O2 Sensor Plug M18x1.5 304 Stainless Steel","description":"\u003cdiv class=\"pdp-buying-guide\"\u003e\n\u003ch2\u003eChoose The Right O2 Sensor Plug For Your Exhaust System\u003c\/h2\u003e\n\u003cp\u003eThe Exoracing O2 sensor plug is designed to block off an unused lambda sensor or wideband sensor port in an exhaust system. It is ideal when you have an aftermarket exhaust, decat pipe, downpipe, test pipe, manifold or custom exhaust section with an unused M18x1.5 sensor boss.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread size:\u003c\/strong\u003e M18x1.5, the common thread used on many narrowband and wideband lambda sensor ports.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e CNC-machined 304 stainless steel for corrosion resistance and long-term exhaust use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncluded:\u003c\/strong\u003e 1 Exoracing O2 sensor plug and Exoracing lifetime warranty.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall note:\u003c\/strong\u003e removable threaded plug, so the lambda port can be used again later if needed.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eImportant:\u003c\/strong\u003e Check your exhaust sensor boss thread before ordering. This plug is for M18x1.5 threaded lambda\/O2 sensor ports.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch2\u003eWhich Option Should I Choose?\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eM18x1.5 lambda\/O2 port:\u003c\/strong\u003e choose this plug if your exhaust boss uses the common M18x1.5 sensor thread.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAftermarket exhausts:\u003c\/strong\u003e use this to block an unused sensor port on a downpipe, decat, test pipe, manifold or custom exhaust section.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUnsure thread size:\u003c\/strong\u003e measure the existing sensor thread or check the exhaust manufacturer’s specifications before ordering.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWhy Should You Use The Exoracing O2 Sensor Plug?\u003c\/h2\u003e\n\u003cp\u003eMany OEM and aftermarket exhaust systems have one or more lambda sensor ports. If one of those ports is not being used, it needs to be sealed properly to stop exhaust leaks, noise, false readings and unwanted fumes.\u003c\/p\u003e\n\u003cp\u003eThe Exoracing O2 sensor plug gives you a clean, removable way to block an unused M18x1.5 lambda port without welding the boss shut.\u003c\/p\u003e\n\u003cp\u003eBecause it is CNC machined from 304 stainless steel, it is suitable for harsh exhaust environments where heat, moisture and corrosion are common problems.\u003c\/p\u003e\n\u003cp\u003eThis is a useful add-on for road, track, turbo, wideband, decat, custom exhaust and fabrication jobs where you need to blank off an unused O2 sensor port properly.\u003c\/p\u003e\n\u003ch2\u003ePurchase Includes:\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e1 x Exoracing O2 Sensor Plug M18x1.5 304 Stainless Steel\u003c\/li\u003e\n\u003cli\u003e1 x Exoracing Lifetime Warranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFeatures:\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eBlocks off unused lambda and O2 sensor ports\u003c\/li\u003e\n\u003cli\u003eM18x1.5 thread suits many universal lambda sensor bosses\u003c\/li\u003e\n\u003cli\u003eCNC machined from 304 stainless steel\u003c\/li\u003e\n\u003cli\u003eRemovable design allows the sensor port to be reused later\u003c\/li\u003e\n\u003cli\u003e19mm hex head works with a common socket size\u003c\/li\u003e\n\u003cli\u003eUseful for aftermarket exhausts, decats, downpipes, test pipes and custom fabrication\u003c\/li\u003e\n\u003cli\u003eHelps prevent exhaust leaks from unused sensor ports\u003c\/li\u003e\n\u003cli\u003eIncludes Exoracing lifetime warranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eExoracing O2 Sensor Plug M18x1.5 Installation Guide:\u003c\/h2\u003e\n\u003cp\u003eThis is a simple threaded installation, but the exhaust must be cold before fitting.\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003eAllow the exhaust system to cool fully before starting work.\u003c\/li\u003e\n\u003cli\u003eConfirm the lambda\/O2 sensor boss uses an M18x1.5 thread.\u003c\/li\u003e\n\u003cli\u003eCheck that the port threads are clean and free from damage.\u003c\/li\u003e\n\u003cli\u003eScrew the O2 sensor plug into the boss by hand first to avoid cross-threading.\u003c\/li\u003e\n\u003cli\u003eUse a 19mm socket to tighten the plug.\u003c\/li\u003e\n\u003cli\u003eTorque to 40 to 60Nm where access allows.\u003c\/li\u003e\n\u003cli\u003eStart the vehicle and check the area for exhaust leaks once fitted.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cstrong\u003eInstallation difficulty:\u003c\/strong\u003e simple service item, but professional installation is recommended if access is difficult or the exhaust threads are damaged.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eReason to buy now:\u003c\/strong\u003e fit this while the exhaust, downpipe, decat or manifold is already off the car, as access is usually much easier.\u003c\/p\u003e\n\u003ch2\u003eTechnical Specifications:\u003c\/h2\u003e\n\u003ctable style=\"border-collapse: collapse; width: 100%; border: 1px solid #d8c4e8;\" border=\"1\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 50%; background-color: #4b1f73; color: #ffffff; padding: 8px;\"\u003e\u003cstrong\u003e\u003cspan style=\"color: #ffffff;\"\u003eSpecification\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 50%; background-color: #4b1f73; color: #ffffff; padding: 8px;\"\u003e\u003cstrong\u003e\u003cspan style=\"color: #ffffff;\"\u003eDetails\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"background-color: #f4eef9; color: #222222; padding: 8px;\"\u003e\u003cstrong\u003eProduct Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"color: #222222; padding: 8px;\"\u003eO2 sensor plug\/lambda sensor blanking plug\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"background-color: #f4eef9; color: #222222; padding: 8px;\"\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"color: #222222; padding: 8px;\"\u003e304 stainless steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"background-color: #f4eef9; color: #222222; padding: 8px;\"\u003e\u003cstrong\u003eThread Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"color: #222222; padding: 8px;\"\u003eM18x1.5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"background-color: #f4eef9; color: #222222; padding: 8px;\"\u003e\u003cstrong\u003eLength\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"color: #222222; padding: 8px;\"\u003e20mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"background-color: #f4eef9; color: #222222; padding: 8px;\"\u003e\u003cstrong\u003eWidth\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"color: #222222; padding: 8px;\"\u003e22mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"background-color: #f4eef9; color: #222222; padding: 8px;\"\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"color: #222222; padding: 8px;\"\u003e40g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"background-color: #f4eef9; color: #222222; padding: 8px;\"\u003e\u003cstrong\u003eSocket Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"color: #222222; padding: 8px;\"\u003e19mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"background-color: #f4eef9; color: #222222; padding: 8px;\"\u003e\u003cstrong\u003eTorque Setting\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"color: #222222; padding: 8px;\"\u003e40 to 60Nm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"background-color: #f4eef9; color: #222222; padding: 8px;\"\u003e\u003cstrong\u003eApplication\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"color: #222222; padding: 8px;\"\u003eUnused M18x1.5 lambda\/O2 sensor ports\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"background-color: #f4eef9; color: #222222; padding: 8px;\"\u003e\u003cstrong\u003eWarranty\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"color: #222222; padding: 8px;\"\u003eExoracing Lifetime Warranty\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eRecommended With This Product:\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eExoracing O2 Lambda Sensor Bung M18x1.5 304 Stainless Steel if you need to add a new lambda sensor port to an exhaust system.\u003c\/li\u003e\n\u003cli\u003eExoracing Titanium Exhaust Wrap if the exhaust section is already removed, and you want to reduce radiant heat.\u003c\/li\u003e\n\u003cli\u003eExoracing Stainless Steel Cable Ties if you are fitting exhaust wrap at the same time.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eWhat does this O2 sensor plug do?\u003c\/h3\u003e\n\u003cp\u003eIt blocks off an unused lambda or O2 sensor port in an exhaust system, helping seal the port and prevent exhaust leaks.\u003c\/p\u003e\n\u003ch3\u003eWhat thread size is this plug?\u003c\/h3\u003e\n\u003cp\u003eThis plug uses an M18x1.5 thread, which is commonly used for narrowband and wideband lambda sensor ports.\u003c\/p\u003e\n\u003ch3\u003eWill this fit my exhaust?\u003c\/h3\u003e\n\u003cp\u003eIt will fit if your exhaust sensor boss is M18x1.5. Always confirm the thread before ordering, especially on custom exhausts or imported exhaust systems.\u003c\/p\u003e\n\u003ch3\u003eCan I remove it later?\u003c\/h3\u003e\n\u003cp\u003eYes. Because this is a threaded plug, it can be removed later if you need to install a lambda sensor or a wideband sensor into the port.\u003c\/p\u003e\n\u003ch3\u003eWhat socket size do I need?\u003c\/h3\u003e\n\u003cp\u003eThe plug uses a 19mm socket.\u003c\/p\u003e\n\u003ch3\u003eWhat torque should I use?\u003c\/h3\u003e\n\u003cp\u003eTorque to 40 to 60Nm where access allows. Do not force the plug if the threads are damaged or dirty.\u003c\/p\u003e\n\u003ch3\u003eShould I use this in a stainless steel boss?\u003c\/h3\u003e\n\u003cp\u003eIdeally, this stainless steel O2 sensor plug should be used in a stainless steel boss for best long-term compatibility.\u003c\/p\u003e\n\u003ch2\u003eNotes:\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eDesigned for M18x1.5 lambda\/O2 sensor ports only.\u003c\/li\u003e\n\u003cli\u003eConfirm the boss's thread before ordering.\u003c\/li\u003e\n\u003cli\u003eInstall by hand first to avoid cross-threading.\u003c\/li\u003e\n\u003cli\u003eUse on a cold exhaust only.\u003c\/li\u003e\n\u003cli\u003eTorque to 40 to 60Nm where access allows.\u003c\/li\u003e\n\u003cli\u003eIdeally used with a stainless steel boss.\u003c\/li\u003e\n\u003cli\u003eProfessional installation is always recommended.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003csmall\u003eOfficial product information supplied by Exoracing.\u003c\/small\u003e\u003c\/p\u003e","brand":"Exoracing","offers":[{"title":"Default Title","offer_id":57266224464212,"sku":"EX-02-BUN","price":19.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1019\/0425\/3268\/files\/exoracing-02-lambda-blanking-plug-1__38125.1729182549.1280.1280_7c82248d-ad0e-46da-a789-e63afd768ace.jpg?v=1790248322","url":"https:\/\/fifty9performance.co.uk\/products\/exoracing-o2-sensor-plug-m18x1-5-304-stainless-steel","provider":"Fifty9 Performance","version":"1.0","type":"link"}