{"product_id":"dc-275","title":"Steel Trailer Dust Cap - Solid - 2.72\" O.D. (DC-275)","description":"\u003c!--\nR\u0026P \/ ARIAG SHOPIFY LISTING\nProduct: Dust Cap, Solid, 2.72\" O.D. \/ 2-3\/4\" Nominal, Steel Cap\nSKU: DC-275\nVerified facts used:\n- 2.72\" outer \/ drive-in diameter\n- 1.28\" height \/ depth\n- Solid drive-in grease\/dust cap\n- Zinc-plated steel construction\n- Fits trailer hubs with matching 2.72\" hub bore\n- Commonly referenced for 6K, 7K, and 8K trailer axle hub applications where measurements match\n--\u003e\n\u003cstyle\u003e\n  .rp-mag-lock{\n    --rp-black:#111111;\n    --rp-charcoal:#1d1d1f;\n    --rp-gray:#6b7280;\n    --rp-light:#f5f5f5;\n    --rp-line:#d8d8d8;\n    --rp-maroon:#6e0f11;\n    --rp-gold:#d7a126;\n    --rp-cream:#fff7e3;\n    --rp-shadow:0 16px 36px rgba(0,0,0,.08);\n    --rp-radius:20px;\n    font-family:\"Helvetica Neue\",Helvetica,Arial,sans-serif;\n    color:var(--rp-black);\n    line-height:1.6;\n  }\n\n  .rp-mag-lock *{\n    box-sizing:border-box;\n  }\n\n  .rp-mag-lock .rp-shell{\n    max-width:1080px;\n    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max-width:100%;\n    height:auto;\n    border-radius:18px;\n  }\n\n  .rp-mag-lock .rp-seo{\n    display:none;\n  }\n\n  @media (max-width: 1000px){\n    .rp-mag-lock .rp-grid-3{\n      grid-template-columns:1fr;\n    }\n\n    .rp-mag-lock .rp-sticky-card{\n      position:static;\n    }\n  }\n\n  @media (max-width: 900px){\n    .rp-mag-lock .rp-grid-2{\n      grid-template-columns:1fr;\n    }\n\n    .rp-mag-lock .rp-feature-grid{\n      grid-template-columns:1fr;\n    }\n\n    .rp-mag-lock .rp-title{\n      font-size:28px;\n    }\n\n    .rp-mag-lock .rp-subhead{\n      font-size:16px;\n    }\n  }\n\n  @media (max-width: 640px){\n    .rp-mag-lock .rp-shell{\n      padding:18px 12px 28px 12px;\n    }\n\n    .rp-mag-lock .rp-hero{\n      border-radius:22px;\n      padding:24px 18px 22px 18px;\n    }\n\n    .rp-mag-lock .rp-card,\n    .rp-mag-lock .rp-feature{\n      padding:16px;\n    }\n\n    .rp-mag-lock .rp-title{\n      font-size:24px;\n    }\n  }\n\u003c\/style\u003e\n\u003cdiv class=\"rp-mag-lock\"\u003e\n\u003cdiv class=\"rp-shell\"\u003e\n\u003c!-- HERO --\u003e\n\u003cdiv class=\"rp-hero\"\u003e\n\u003cdiv class=\"rp-logo\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2659\/6148\/files\/LOGO-FINALx200.png?v=1763669885\" alt=\"R \u0026amp; P Carriages\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"rp-kicker\"\u003eTrailer Hub Dust Cap \/ Grease Cap \/ Drive-In Cap\u003c\/div\u003e\n\u003ch1 class=\"rp-title\"\u003eSteel Trailer Dust Cap - Solid - 2.72\" O.D.\u003c\/h1\u003e\n\u003cp class=\"rp-subhead\"\u003eSolid drive-in trailer hub dust cap for compatible hubs with a 2.72\" cap bore. This cap helps cover the wheel bearing cavity and protect hub components from road debris, moisture, and contamination.\u003c\/p\u003e\n\u003cdiv class=\"rp-partline\"\u003e\n\u003cspan class=\"rp-badge\"\u003ePart Number: DC-275\u003c\/span\u003e \u003cspan class=\"rp-badge alt\"\u003e2.72\" O.D. \/ 2-3\/4\" Nominal\u003c\/span\u003e \u003cspan class=\"rp-badge alt\"\u003eSolid Zinc-Plated Steel Cap\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- TOP BUYER DECISION PANEL --\u003e\n\u003cdiv class=\"rp-section rp-top-decision rp-grid-3\"\u003e\n\u003c!-- KEY MEASUREMENTS \u0026 SPECS --\u003e\n\u003cdiv class=\"rp-sticky-card\"\u003e\n\u003cdiv class=\"rp-rule-title\"\u003e\n\u003ch2\u003eKey Measurements \u0026amp; Specs\u003c\/h2\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"rp-table-wrap\"\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Number \/ SKU\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDC-275\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSolid trailer hub dust cap \/ grease cap\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNominal Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2-3\/4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eActual Drive-In Diameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2.72\" O.D.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOverall Height \/ Depth\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.28\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial \/ Finish\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eZinc-plated steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eQuantity Included\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eOne solid dust cap\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- FITMENT \/ APPLICATION --\u003e\n\u003cdiv class=\"rp-sticky-card\"\u003e\n\u003cdiv class=\"rp-rule-title\"\u003e\n\u003ch2\u003eFitment \/ Application\u003c\/h2\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"rp-table-wrap\"\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eCategory\u003c\/th\u003e\n\u003cth\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSystem\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTrailer wheel hub \/ bearing cap application\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePrimary Fit\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFits compatible trailer hubs with a 2.72\" dust cap bore\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCommon Axle Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCommonly referenced for many 6,000 lb, 7,000 lb, and 8,000 lb trailer axle hub applications where measurements match\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFitment Method\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMeasure the hub bore or old cap flange diameter before ordering\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eImportant Note\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDo not order by the rounded 2-3\/4\" name alone; verify the actual 2.72\" drive-in diameter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- TOP FEATURES --\u003e\n\u003cdiv class=\"rp-sticky-card\"\u003e\n\u003cdiv class=\"rp-rule-title\"\u003e\n\u003ch2\u003eTop Features\u003c\/h2\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"rp-table-wrap\"\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eFeature\u003c\/th\u003e\n\u003cth\u003eBuyer Benefit\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSolid Cap Design\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eStandard non-lube cap with no rubber plug or grease-access hole\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDrive-In Installation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eInstalls into the hub bore by tapping the cap evenly into place\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e2.72\" O.D.\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMatches compatible trailer hubs using the 2.72\" cap size\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eZinc-Plated Steel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHelps resist corrosion in trailer service environments\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- OVERVIEW + SERVICE INSIGHT --\u003e\n\u003cdiv class=\"rp-section rp-grid-2\"\u003e\n\u003cdiv class=\"rp-card\"\u003e\n\u003cdiv class=\"rp-rule-title\"\u003e\n\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003c\/div\u003e\n\u003cp class=\"rp-lead\"\u003eThe DC-275 is a solid drive-in trailer hub dust cap with a 2.72\" outside diameter and 1.28\" height. It is used to cover the hub opening and help protect wheel bearings and hub grease from dirt, water, and road debris. This is the solid style cap, not the rubber-plug E-Z Lube \/ relube style.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"rp-card rp-service\"\u003e\n\u003ch2\u003eR\u0026amp;P Service Insight\u003c\/h2\u003e\n\u003cp\u003eDust caps are measurement-sensitive. A small size difference can make the cap too loose to stay seated or too large to install cleanly.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMeasure First:\u003c\/strong\u003e Confirm the hub bore or the old cap flange diameter is approximately 2.72\".\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall Evenly:\u003c\/strong\u003e Tap the cap in squarely around the edge to avoid denting or cocking the cap in the hub.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConfirm Cap Style:\u003c\/strong\u003e This DC-275 listing is for a solid cap. Use a lubed \/ rubber-plug cap only if your hub requires grease access through the cap.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- KNOWLEDGE HUB --\u003e\n\u003cdiv class=\"rp-section\"\u003e\n\u003cdiv class=\"rp-card rp-knowledge\"\u003e\n\u003ch2\u003eR\u0026amp;P Knowledge Hub\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Compatible with trailer hubs that use a 2.72\" drive-in dust cap. Always verify by measurement before ordering.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eVehicle \/ System Fit:\u003c\/strong\u003e Trailer wheel hub and bearing cap applications, commonly seen on many heavier trailer axle hubs where the hub bore measures 2.72\".\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eInstallation Notes:\u003c\/strong\u003e Clean the hub bore before installation, start the cap straight, and tap evenly around the outer lip until seated.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePerformance Insight:\u003c\/strong\u003e A properly sized dust cap helps keep grease inside the hub while reducing exposure to dirt, moisture, and road debris.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- BRAND \u0026 FITMENT NOTE --\u003e\n\u003cdiv class=\"rp-section\"\u003e\n\u003cdiv class=\"rp-card rp-knowledge\"\u003e\n\u003ch2\u003eBrand \u0026amp; Fitment Note\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eSelling Brand:\u003c\/strong\u003e R\u0026amp;P Carriages aftermarket trailer hub dust cap\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eApplication Reference:\u003c\/strong\u003e DC-275 \/ TRDC-275 style references are used for size and application identification. The key fitment measurement is the 2.72\" drive-in diameter.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat This Means:\u003c\/strong\u003e This listing is for one solid steel trailer hub dust cap, not a guaranteed OEM-branded item unless specifically stated on your invoice or packaging.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBefore Ordering:\u003c\/strong\u003e Verify the cap diameter, hub bore, cap style, and axle hub application before installation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- REPAIR INSIGHT --\u003e\n\u003cdiv class=\"rp-section\"\u003e\n\u003cdiv class=\"rp-card rp-service\"\u003e\n\u003ch2\u003eR\u0026amp;P Repair Insight\u003c\/h2\u003e\n\u003cp\u003eReplace a missing, damaged, loose, or badly dented dust cap before towing. A poor cap fit can allow contamination into the hub area and may allow grease to escape during service.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOld Cap Check:\u003c\/strong\u003e If the old cap is available, measure the outside flange diameter with calipers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHub Bore Check:\u003c\/strong\u003e If the cap is missing, measure the inside bore of the hub where the cap seats.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStyle Check:\u003c\/strong\u003e Match solid-to-solid unless your hub setup requires a rubber-plug relube cap.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- FEATURES --\u003e\n\u003cdiv class=\"rp-section\"\u003e\n\u003cdiv class=\"rp-rule-title\"\u003e\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"rp-feature-grid\"\u003e\n\u003cdiv class=\"rp-feature\"\u003e\n\u003ch3\u003eSolid Non-Lube Design\u003c\/h3\u003e\n\u003cp\u003eStandard solid dust cap for applications that do not require grease access through the cap face.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"rp-feature\"\u003e\n\u003ch3\u003e2.72\" Drive-In Diameter\u003c\/h3\u003e\n\u003cp\u003eDesigned for compatible trailer hubs using a 2.72\" cap bore, often referred to as a 2-3\/4\" nominal cap size.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"rp-feature\"\u003e\n\u003ch3\u003eZinc-Plated Steel Construction\u003c\/h3\u003e\n\u003cp\u003eSteel cap with zinc plating to help resist corrosion in normal trailer hub service.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"rp-feature\"\u003e\n\u003ch3\u003eTrailer Hub Protection\u003c\/h3\u003e\n\u003cp\u003eHelps cover the hub opening and reduce bearing exposure to dirt, moisture, and road debris.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- INCLUDED COMPONENTS --\u003e\n\u003cdiv class=\"rp-section\"\u003e\n\u003cdiv class=\"rp-rule-title\"\u003e\n\u003ch2\u003eIncluded Components\u003c\/h2\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"rp-table-wrap\"\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eQuantity\u003c\/th\u003e\n\u003cth\u003eItem\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003ctd\u003eSolid 2.72\" O.D. steel trailer hub dust cap \/ grease cap\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNot Included\u003c\/td\u003e\n\u003ctd\u003eRubber plug, grease zerk, bearings, races, seals, hub, or installation hardware\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- IMPORTANT NOTE --\u003e\n\u003cdiv class=\"rp-note\"\u003e\n\u003cstrong\u003eImportant Fitment Note:\u003c\/strong\u003e This cap is commonly described as a 2-3\/4\" dust cap, but the verified drive-in diameter is 2.72\". Measure your hub bore or old cap before ordering. This is the solid DC-275 style cap, not the DC-275L relube \/ rubber-plug style.\u003c\/div\u003e\n\u003c!-- CTA --\u003e\n\u003cdiv class=\"rp-cta-wrap\"\u003e\u003ca class=\"rp-btn\" href=\"\/search?q=dust%20cap\"\u003eShop Matching Trailer Hub Parts\u003c\/a\u003e\u003c\/div\u003e\n\u003c!-- SEO BLOCK --\u003e\n\u003cdiv class=\"rp-seo\"\u003eDC-275 dust cap, DC275 dust cap, TRDC-275 style dust cap, 2.72 inch trailer dust cap, 2-3\/4 inch nominal dust cap, solid trailer hub cap, solid grease cap, steel dust cap, zinc plated trailer dust cap, trailer hub dust cap, drive in grease cap, 6K axle dust cap, 7K axle dust cap, 8K axle dust cap, R\u0026amp;P Carriages trailer hub parts\u003c\/div\u003e\n\u003c!-- FOOTER --\u003e\n\u003cdiv class=\"rp-footer\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2659\/6148\/files\/Baseball_AdvertisingRP-sign_1.jpg?v=1771533480\" alt=\"R \u0026amp; P Carriages\"\u003e\u003c\/div\u003e\n\u003chr style=\"border: 0; border-top: 1px solid #eee; margin: 24px 0 0 0;\"\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Need a Trailer Part","offers":[{"title":"Default Title","offer_id":59483383628062,"sku":"DC-275","price":4.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2659\/6148\/files\/DC-275.jpg?v=1781798882","url":"https:\/\/needatrailerpart.com\/products\/dc-275","provider":"Need a Trailer Part","version":"1.0","type":"link"}