{"product_id":"dorman-904-8040-fuel-injector-o-ring-kit","title":"Dorman 904-8040 Fuel Injector O-Ring Kit","description":"\u003ch2\u003eReliable Fuel Injector O-Ring Kit for Precise Sealing\u003c\/h2\u003e\u003cp\u003eThe Dorman 904-8040 Fuel Injector O-Ring Kit provides essential sealing components designed to maintain optimal fuel system performance. Engineered with durable fluoroelastomer material, this kit ensures a secure fit and resistance to fuel and heat degradation.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eIncludes 6 injector o-ring replacement seals and 6 injector washers\u003c\/li\u003e\n\u003cli\u003eO-rings made from high-quality fluoroelastomer for enhanced durability\u003c\/li\u003e\n\u003cli\u003eVaried inside diameters: 31mm, 34mm, and 35mm to accommodate different injector sizes\u003c\/li\u003e\n\u003cli\u003eThickness options of 1.65mm, 2.5mm, and 3mm for precise sealing\u003c\/li\u003e\n\u003cli\u003eOutside diameters of 36mm, 38.3mm, and 40mm with round rim shape for consistent fit\u003c\/li\u003e\n\u003cli\u003eColor-coded o-rings in black, blue, and purple for easy identification\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThe Dorman 904-8040 Fuel Injector O-Ring Kit is designed to replace worn or damaged injector seals in various automotive fuel systems. The fluoroelastomer material offers excellent resistance to fuel, oil, and high temperatures, making it suitable for long-term use in demanding engine environments. The kit includes six o-rings and six washers, covering a range of inside diameters and thicknesses to fit multiple injector configurations. The round rim shape ensures a tight seal to prevent fuel leaks and maintain proper injector function. Color variations help technicians quickly identify the correct size during installation or maintenance.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003ePrevents fuel leaks caused by deteriorated or cracked injector o-rings\u003c\/li\u003e\n\u003cli\u003eEliminates rough idling and engine misfires linked to poor injector sealing\u003c\/li\u003e\n\u003cli\u003eHelps maintain fuel system pressure for consistent engine performance\u003c\/li\u003e\n\u003cli\u003eReduces the risk of fuel odor and potential fire hazards from leaks\u003c\/li\u003e\n\u003cli\u003eSupports injector replacement or rebuild procedures on compatible vehicles\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eBefore installation, clean the injector and fuel rail surfaces thoroughly to remove debris and old sealant. Inspect the injector ports for damage or wear. Lubricate the new o-rings lightly with clean engine oil or recommended lubricant to ease installation and prevent damage. Ensure the correct size o-ring is selected based on inside diameter and thickness to match the injector specifications. Avoid over-tightening fuel rail bolts to prevent deformation of the seals.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDorman manufactures the 904-8040 Fuel Injector O-Ring Kit to meet or exceed OEM standards for fit, form, and function. The fluoroelastomer material is selected for its chemical and thermal resistance, ensuring reliable sealing performance. While specific warranty details are not provided, Dorman products typically come with a limited warranty covering defects in material and workmanship.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":51936838910133,"sku":"FKCX-904-8040","price":27.67,"currency_code":"USD","in_stock":true}],"url":"https:\/\/www.partcatalog.com\/products\/dorman-904-8040-fuel-injector-o-ring-kit","provider":"PartCatalog","version":"1.0","type":"link"}