{"product_id":"silicone-rubber-hole-plugs-3-12mm-high-temp-seal-caps-10pcs","title":"10Pcs Silicone Rubber Hole Plugs 3–12mm High-Temp Seal Caps","description":"\n\u003ch2\u003e10Pcs Solid Silicone Rubber Hole Plugs — Versatile Seal Caps for Car Body Panels \u0026amp; More\u003c\/h2\u003e\n\u003cp\u003eKeep moisture, dust, and debris out with these durable \u003cstrong\u003esilicone rubber hole plugs\u003c\/strong\u003e. Designed to fit holes ranging from \u003cstrong\u003e3mm to 12mm\u003c\/strong\u003e, this 10-piece set delivers a clean, professional finish on car body panels, chassis, electrical enclosures, machinery, and household surfaces. Made in Mainland China.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePremium Silicone Rubber:\u003c\/strong\u003e Soft, flexible, and elastic material that creates a tight, reliable seal without cracking or shrinking over time.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eExtreme Temperature Range:\u003c\/strong\u003e Rated from \u003cstrong\u003e-40°C to +250°C\u003c\/strong\u003e (-40°F to 482°F), making these plugs suitable for under-hood automotive applications and high-heat environments.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMulti-Size Pack:\u003c\/strong\u003e Covers a range of hole diameters (3mm–12mm) so you're prepared for a variety of repair and finishing tasks.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFlat Gasket Shape:\u003c\/strong\u003e Flush-fitting design sits neatly against surfaces for a tidy, factory-style appearance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCorrosion \u0026amp; Chemical Resistant:\u003c\/strong\u003e Withstands exposure to acids, alkalis, and general automotive fluids, ensuring long-lasting performance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAnti-Aging Formula:\u003c\/strong\u003e UV- and ozone-resistant silicone compound maintains integrity through years of use.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Black — blends seamlessly with most automotive and industrial surfaces.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Silicone Rubber\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTypical Uses\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eCar body panel hole sealing and finishing\u003c\/li\u003e\n  \u003cli\u003eAutomotive firewall and floor pan openings\u003c\/li\u003e\n  \u003cli\u003eElectrical enclosure and control box knockout blanks\u003c\/li\u003e\n  \u003cli\u003eSheet metal fabrication and repair\u003c\/li\u003e\n  \u003cli\u003eGeneral DIY home and workshop projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSilicone Rubber\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBlack\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHole Size Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3mm – 12mm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eShape\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFlat Gasket\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTemperature Resistance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-40°C to +250°C\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eQuantity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10 Pieces\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOrigin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMade in Mainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1pc-10g-high-grade-silicon-grease-lubricant-o-lubrication-good-odorless-smoothness-for-o-rings-tube-silicone-grease-lubricant\"\u003e1PC 10g High Grade Silicone Grease Lubricant for O-Rings\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/3pcs-silicone-sealant-scraper-set-multi-functional-caulking-nozzle-tools-for-tile-floor-joints-grout-finishing-and-renovation\"\u003e3PCS Silicone Sealant Scraper Set – Multi-Functional Caulking \u0026amp; Grout Tools\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1pc-400cm-sealing-tape-faucet-sealing-tape-oil-free-leak-proof-water-pipe-gas-pipeline-sealing-tape\"\u003e1PC 400cm Sealing Tape – Oil-Free Leak Proof Water Pipe \u0026amp; Gas Pipeline Tape\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.fueleconomy.gov\/feg\/drive.shtml\" target=\"_blank\" rel=\"noopener\"\u003eFuelEconomy.gov driving efficiency guidance\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What hole sizes do these rubber hole plugs fit?\u003c\/h4\u003e\n\u003cp\u003eA: These silicone rubber hole plugs are designed to cover holes ranging from \u003cstrong\u003e3mm to 12mm\u003c\/strong\u003e in diameter. The pack includes multiple sizes so you have the right plug ready for different panel openings and applications.\u003c\/p\u003e\n\u003ch4\u003eQ: Are these hole plugs safe to use in high-temperature automotive environments?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. The silicone rubber compound is rated for temperatures between \u003cstrong\u003e-40°C and +250°C\u003c\/strong\u003e, making them suitable for engine bay, firewall, and under-body locations where heat exposure can be significant.\u003c\/p\u003e\n\u003ch4\u003eQ: Can these plugs be used on surfaces other than cars?\u003c\/h4\u003e\n\u003cp\u003eA: Absolutely. While they are popular for car body panel repair, these versatile hole seal caps work equally well on electrical enclosures, sheet metal, appliances, cabinetry, and general DIY workshop projects.\u003c\/p\u003e\n\u003ch4\u003eQ: How do I install the rubber hole plugs?\u003c\/h4\u003e\n\u003cp\u003eA: Simply press the plug firmly into the hole until the flange sits flush against the surface. The flexible silicone material compresses and expands to grip the edges of the hole, creating a secure, water- and dust-resistant seal — no tools or adhesive required.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What hole sizes do these rubber hole plugs fit?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"These silicone rubber hole plugs are designed to cover holes ranging from 3mm to 12mm in diameter. The pack includes multiple sizes so you have the right plug ready for different panel openings and applications.\"}}, {\"@type\": \"Question\", \"name\": \"Are these hole plugs safe to use in high-temperature automotive environments?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. 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The flexible silicone material compresses and expands to grip the edges of the hole, creating a secure, water- and dust-resistant seal — no tools or adhesive required.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/x1davz-b4.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Home page\", \"item\": \"https:\/\/x1davz-b4.myshopify.com\/collections\/frontpage\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"10Pcs Silicone Rubber Hole Plugs 3–12mm High-Temp Seal Caps\", \"item\": \"https:\/\/x1davz-b4.myshopify.com\/products\/silicone-rubber-hole-plugs-3-12mm-high-temp-seal-caps-10pcs\"}]}\u003c\/script\u003e","brand":"Nixie","offers":[{"title":"12mm","offer_id":67609092718691,"sku":"1005012034923331-12mm","price":9.58,"currency_code":"USD","in_stock":true},{"title":"10mm","offer_id":67609092751459,"sku":"1005012034923331-10mm","price":7.76,"currency_code":"USD","in_stock":true},{"title":"3.5mm","offer_id":67609092784227,"sku":"1005012034923331-3.5mm","price":3.65,"currency_code":"USD","in_stock":true},{"title":"3mm","offer_id":67609092816995,"sku":"1005012034923331-3mm","price":3.33,"currency_code":"USD","in_stock":true},{"title":"8mm","offer_id":67609092849763,"sku":"1005012034923331-8mm","price":6.88,"currency_code":"USD","in_stock":true},{"title":"5mm","offer_id":67609092882531,"sku":"1005012034923331-5mm","price":4.6,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0784\/2047\/6003\/files\/S1c68e53e09e44127a9f6bd598b0ca06dv.webp?v=1790787472","url":"https:\/\/nixiehaven.com\/products\/silicone-rubber-hole-plugs-3-12mm-high-temp-seal-caps-10pcs","provider":"Nixie","version":"1.0","type":"link"}