{"product_id":"morryde-pin-box-rpb72-2210031-03-dexter-221-0031-under-11500-lbs","title":"MORryde -Rubber Pin Box - RPB72-2210031-03 Replaces Dexter 221-0031 Under 11,500 lbs GVWR Fifth Wheel","description":"\u003cp\u003eMORryde rubber pin box RPB72-2210031-03 is for RV owners, techs, and dealers who need to match a MORryde component by the real part number instead of guessing from a generic description. Use this listing to confirm part RPB72-2210031-03, review the visible specs, and choose the right replacement or upgrade for the job.\u003c\/p\u003e\n\u003ch2\u003eFeatures \u0026amp; Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eDirect Bolt-On Replacement: Specifically engineered to replace Dexter 221-0031 pin boxes with no modifications required\u003c\/li\u003e\n\u003cli\u003eReduces Chucking by 90%: Dramatically minimizes back-and-forth movement for a smoother ride\u003c\/li\u003e\n\u003cli\u003eJerk-Free Starts \u0026amp; Stops: No more uncomfortable lurching when accelerating or braking with your fifth wheel\u003c\/li\u003e\n\u003cli\u003eHeavy-Duty Steel Construction: Premium materials built to withstand years of towing\u003c\/li\u003e\n\u003cli\u003eExtends Component Life: Reduces stress on hitch components and trailer frame for longer equipment life\u003c\/li\u003e\n\u003cli\u003eImproves Safety: Minimizes wear and stress on critical towing components\u003c\/li\u003e\n\u003cli\u003eQuieter Towing: Eliminates noise and rattling associated with worn factory pin boxes\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWhy Choose RPB72-2210031-03?\u003c\/h2\u003e\n\u003cp\u003eThis page is built around part-number accuracy: confirm the MORryde SKU, check the product size or application notes, and compare nearby options before you order. That matters on RV repairs because similar-looking parts can have different widths, ratings, mounting points, or intended applications.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFitment limit:\u003c\/strong\u003e match this item to your existing MORryde part number, RV measurement, or MORryde documentation. If your measurement, frame, door width, capacity, or application does not match the listing, choose the correct sibling part instead of forcing the wrong one.\u003c\/p\u003e\n\u003cdiv style=\"overflow-x:auto;\"\u003e\n\u003ch2\u003eCompare rubber pin box\u003c\/h2\u003e\n\u003cp\u003eNot sure which MORryde option is right? Compare this product with nearby ERVP listings and verify the part number before ordering.\u003c\/p\u003e\n\u003ctable style=\"width:100%; border-collapse:collapse; font-size:14px;\"\u003e\n\u003cthead\u003e\u003ctr style=\"background:#dc2626; color:white;\"\u003e\n\u003cth style=\"padding:10px; border:1px solid #e5e7eb;\"\u003eModel \/ Part #\u003c\/th\u003e\n\u003cth style=\"padding:10px; border:1px solid #e5e7eb;\"\u003eListing\u003c\/th\u003e\n\u003cth style=\"padding:10px; border:1px solid #e5e7eb;\"\u003eBest For\u003c\/th\u003e\n\u003cth style=\"padding:10px; border:1px solid #e5e7eb;\"\u003eView Details\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr style=\"border-left:3px solid #dc2626; background:#fef2f2;\"\u003e\n\u003ctd style=\"padding:10px; border:1px solid #e5e7eb;\"\u003e\u003cstrong\u003eRPB72-2210031-03\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:10px; border:1px solid #e5e7eb;\"\u003eRubber Pin Box - RPB72-2210031-03 Replaces Dexter 221-0031 Under 11,500 lbs GVWR Fifth Whe\u003c\/td\u003e\n\u003ctd style=\"padding:10px; border:1px solid #e5e7eb;\"\u003eFifth-wheel pin box replacement when the listed frame\/rating matches\u003c\/td\u003e\n\u003ctd style=\"padding:10px; border:1px solid #e5e7eb;\"\u003e\u003cstrong\u003eCurrent Product\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:10px; border:1px solid #e5e7eb;\"\u003eRPB72-2210031-04\u003c\/td\u003e\n\u003ctd style=\"padding:10px; border:1px solid #e5e7eb;\"\u003eRubber Pin Box - RPB72-2210031-04 Replaces Dexter 221-0031 11,501-14,000 lbs GVWR Fifth Wh\u003c\/td\u003e\n\u003ctd style=\"padding:10px; border:1px solid #e5e7eb;\"\u003eFifth-wheel pin box replacement when the listed frame\/rating matches\u003c\/td\u003e\n\u003ctd style=\"padding:10px; border:1px solid #e5e7eb;\"\u003e\u003ca href=\"\/en-ca\/products\/morryde-pin-box-rpb72-2210031-04-dexter-221-0031-11501-14000-lbs\"\u003eView Details\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:10px; border:1px solid #e5e7eb;\"\u003eRPB72-2210031-05\u003c\/td\u003e\n\u003ctd style=\"padding:10px; border:1px solid #e5e7eb;\"\u003eRubber Pin Box RPB72-2210031-05 Replaces Dexter 221-0031 14,001-18,000 lbs GVWR Fifth Whee\u003c\/td\u003e\n\u003ctd style=\"padding:10px; border:1px solid #e5e7eb;\"\u003eFifth-wheel pin box replacement when the listed frame\/rating matches\u003c\/td\u003e\n\u003ctd style=\"padding:10px; border:1px solid #e5e7eb;\"\u003e\u003ca href=\"\/en-ca\/products\/morryde-rubber-pin-box-rpb72-2210031-05-dexter-221-0031-14001-18000-lbs\"\u003eView Details\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:10px; border:1px solid #e5e7eb;\"\u003eRPB72-1621SHD-TA-06\u003c\/td\u003e\n\u003ctd style=\"padding:10px; border:1px solid #e5e7eb;\"\u003eRubber Pin Box RPB72-1621SHD-TA-06 Replaces Lippert 1621SHD +2\" Over 18,000 lbs GVWR Fifth\u003c\/td\u003e\n\u003ctd style=\"padding:10px; border:1px solid #e5e7eb;\"\u003eFifth-wheel pin box replacement when the listed frame\/rating matches\u003c\/td\u003e\n\u003ctd style=\"padding:10px; border:1px solid #e5e7eb;\"\u003e\u003ca href=\"\/en-ca\/products\/morryde-rubber-pin-box-rpb72-1621shd-ta-06-lippert-1621shd-plus-2-inch-over-18000-lbs\"\u003eView Details\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cstrong\u003eTip:\u003c\/strong\u003e MORryde part numbers are specific. Check the SKU and the physical measurement or rating on your RV before choosing between similar listings.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable style=\"width:100%; border-collapse:collapse; font-size:14px;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px; border:1px solid #e5e7eb;\"\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #e5e7eb;\"\u003eRPB72-2210031-03\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px; border:1px solid #e5e7eb;\"\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #e5e7eb;\"\u003eMORryde\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px; border:1px solid #e5e7eb;\"\u003e\u003cstrong\u003eShipping Weight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #e5e7eb;\"\u003e0.4189 lb\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px; border:1px solid #e5e7eb;\"\u003e\u003cstrong\u003eBarcode\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #e5e7eb;\"\u003e810089870414\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px; border:1px solid #e5e7eb;\"\u003e\u003cstrong\u003eProduct Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #e5e7eb;\"\u003eFifth Wheel Towing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eWhat's Included\u003c\/h2\u003e\n\u003cp\u003eIncludes the MORryde product listed for part number \u003cstrong\u003eRPB72-2210031-03\u003c\/strong\u003e. Reuse your existing installation details and MORryde documentation to confirm whether separate hardware, brackets, accessories, or companion parts are needed for your RV.\u003c\/p\u003e\n\u003ch2\u003eCompatible Models \u0026amp; Alternatives\u003c\/h2\u003e\n\u003cp\u003eUse the comparison table above for nearby MORryde options. Related parts should be chosen by confirmed part number, size, capacity, door width, frame type, or documented MORryde application. sibling_products, dimension_config, current_dimensions\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eHow do I confirm this is the right MORryde part?\u003c\/h3\u003e\n\u003cp\u003eMatch the listed SKU (RPB72-2210031-03) to your old part, owner documentation, or MORryde fitment information. Do not rely on appearance alone.\u003c\/p\u003e\n\u003ch3\u003eIs this an OEM MORryde replacement?\u003c\/h3\u003e\n\u003cp\u003eThis listing is for a MORryde-branded product sold by Elkhart RV Parts. Verify the part number and specs against your RV before ordering.\u003c\/p\u003e\n\u003ch3\u003eWhat should I measure before ordering?\u003c\/h3\u003e\n\u003cp\u003eMeasure the application-specific details shown in the listing, such as width, length, rise, rating, frame type, hose size, or mounting style when those specs apply.\u003c\/p\u003e\n\u003ch3\u003eWhat if my RV uses a similar but different MORryde part?\u003c\/h3\u003e\n\u003cp\u003eChoose the exact matching SKU or a verified sibling option. Similar MORryde parts can differ in small ways that matter during installation.\u003c\/p\u003e\n\u003ch2\u003eWhy Buy from Elkhart RV Parts?\u003c\/h2\u003e\n\u003cp\u003eElkhart RV Parts focuses on real RV replacement parts with clear part-number identification, practical fitment notes, and fast support from a team located in Elkhart, Indiana.\u003c\/p\u003e\n\u003cdiv style=\"background:#f3f4f6; border-left:4px solid #dc2626; padding:16px; margin-top:18px;\"\u003e\n\u003cstrong\u003eNeed help matching this MORryde part?\u003c\/strong\u003e Use AI Live Chat on the site with your part number, measurements, or a photo of the existing component before ordering.\n\u003c\/div\u003e","brand":"MORryde","offers":[{"title":"Default Title","offer_id":47378445533336,"sku":"RPB72-2210031-03","price":998.58,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0346\/2397\/9579\/files\/JaycoPinbox.jpg?v=1768941986","url":"https:\/\/elkhartrvparts.com\/en-ca\/products\/morryde-pin-box-rpb72-2210031-03-dexter-221-0031-under-11500-lbs","provider":"Elkhart RV Parts","version":"1.0","type":"link"}