{"product_id":"common-rail-injector-nozzle-dust-caps-7mm-9mm-pump-repair-kit-100pcs","title":"Common Rail Injector Nozzle Dust Caps 7mm 9mm – 100pc Repair Kit","description":"\n\u003ch2\u003eCommon Rail Injector Nozzle Dust Caps – Pump Repair Kit\u003c\/h2\u003e\n\u003cp\u003eKeep your fuel system components clean and protected with these durable \u003cstrong\u003eCommon Rail Injector Nozzle Dust Caps\u003c\/strong\u003e. Designed as a practical repair and maintenance solution, this 100-piece kit covers 7mm and 9mm inner diameters, making it a versatile addition to any diesel engine toolkit. Whether you're a professional mechanic or a hands-on DIYer, these caps help guard injector nozzles and pump parts against dust, debris, and contamination during storage or servicing.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWear-Resistant Plastic Construction:\u003c\/strong\u003e Made from high-quality, durable plastic engineered for long service life — reducing the need for frequent replacements.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDual Size Compatibility:\u003c\/strong\u003e Fits both 7mm and 9mm inner diameter injector nozzles, offering broad compatibility across common rail systems.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e100-Piece Value Kit:\u003c\/strong\u003e Bulk quantity ensures you always have a cap on hand whenever you need one — ideal for workshops and regular maintenance routines.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDust \u0026amp; Debris Protection:\u003c\/strong\u003e Effectively seals injector nozzle tips and pump ports to prevent contamination during handling, transport, or storage.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAvailable in 2 Color Options:\u003c\/strong\u003e Choose the color that best suits your organizational system or preference.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCost-Effective Maintenance:\u003c\/strong\u003e Keeps your repair costs low by providing quality accessories and large-part replacements at an accessible price point.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReady to Use Straight Away:\u003c\/strong\u003e No special tools or preparation needed — simply fit the cap and you're set.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eProduct Specifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e High-quality wear-resistant plastic\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInner Diameter Options:\u003c\/strong\u003e 7mm \/ 9mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 100 pieces per kit\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eColor Options:\u003c\/strong\u003e 2 available (see images)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Common rail injector nozzles, diesel fuel pump components\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhy Choose This Kit?\u003c\/h3\u003e\n\u003cp\u003eProper protection of injector nozzle tips during servicing is a key step in maintaining fuel system integrity. These dust caps are a simple, low-cost measure that helps keep components free from contamination — ensuring clean, accurate reinstallation every time. For more guidance on diesel fuel system maintenance best practices, refer to resources from the U.S. Department of Energy – Clean Diesel Technology.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What are Common Rail Injector Nozzle Dust Caps used for?\u003c\/h4\u003e\n\u003cp\u003eA: These dust caps are protective covers designed to seal the tips of common rail injector nozzles and diesel pump ports during maintenance, storage, or transport. They prevent dust, dirt, and debris from entering and contaminating precision fuel system components, helping to maintain system cleanliness and performance.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What sizes does this kit include?\u003c\/h4\u003e\n\u003cp\u003eA: This repair kit includes caps in two inner diameter sizes — 7mm and 9mm — making it compatible with a wide range of common rail injector nozzles used in diesel engines. The 100-piece bulk quantity ensures you have ample supply for professional workshop use or regular DIY maintenance.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What material are the dust caps made from?\u003c\/h4\u003e\n\u003cp\u003eA: The caps are manufactured from high-quality, wear-resistant plastic. This material is selected for its durability and long service life, minimizing the frequency of replacement and keeping your overall maintenance costs low.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Are these caps compatible with all common rail systems?\u003c\/h4\u003e\n\u003cp\u003eA: These caps are designed to fit standard 7mm and 9mm inner diameter common rail injector nozzles, which are among the most widely used sizes in diesel fuel systems. Please verify your nozzle diameter before purchasing to ensure the correct fit.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What are Common Rail Injector Nozzle Dust Caps used for?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"These dust caps are protective covers designed to seal the tips of common rail injector nozzles and diesel pump ports during maintenance, storage, or transport. 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