{"product_id":"13-139-03-pair","title":"PAIR - 13-139 Trailer Equalizer Single 10K GD 2.5in Slipper Spring (13-139-03-PAIR)","description":"\u003cstyle\u003e\n  .rp-product {\n    font-family: Arial, Helvetica, sans-serif;\n    color: #111111;\n    line-height: 1.6;\n    max-width: 1000px;\n    margin: 0 auto;\n  }\n\n  .rp-product * {\n    box-sizing: border-box;\n  }\n\n  .rp-logo {\n    text-align: center;\n    margin: 0 0 20px 0;\n  }\n\n  .rp-logo img {\n    width: 200px;\n    max-width: 100%;\n    height: auto;\n  }\n\n  .rp-hero {\n    border: 1px solid #e5e5e5;\n    border-radius: 24px;\n    padding: 24px 20px;\n    background: linear-gradient(135deg, #fafafa 0%, #ffffff 55%, #f7f1df 100%);\n    margin: 0 0 24px 0;\n  }\n\n  .rp-kicker {\n    text-align: center;\n    font-size: 11px;\n    letter-spacing: 2px;\n    text-transform: uppercase;\n    color: #6e0f11;\n    font-weight: bold;\n    margin: 0 0 8px 0;\n  }\n\n  .rp-title {\n    text-align: center;\n    font-size: 30px;\n 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color: #ffffff;\n    padding: 12px 16px;\n    font-size: 16px;\n    font-weight: bold;\n  }\n\n  .rp-spec-table {\n    width: 100%;\n    border-collapse: collapse;\n    font-size: 14px;\n  }\n\n  .rp-spec-table td {\n    padding: 10px 14px;\n    border-bottom: 1px solid #e8e8e8;\n    vertical-align: top;\n  }\n\n  .rp-spec-table tr:nth-child(even) td {\n    background: #fafafa;\n  }\n\n  .rp-spec-table tr:last-child td {\n    border-bottom: none;\n  }\n\n  .rp-spec-table td:first-child {\n    width: 38%;\n  }\n\n  .rp-measure-grid {\n    display: grid;\n    grid-template-columns: 1fr 1fr;\n    gap: 18px;\n    align-items: stretch;\n    margin: 0 0 24px 0;\n  }\n\n  .rp-measure-image-card {\n    border: 1px solid #d8d8d8;\n    border-radius: 18px;\n    overflow: hidden;\n    background: #ffffff;\n    padding: 16px;\n  }\n\n  .rp-measure-image-card img {\n    width: 100%;\n    max-width: 100%;\n    height: auto;\n    display: block;\n    border-radius: 12px;\n    background: #ffffff;\n  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#ffffff;\n    text-decoration: none;\n    font-size: 14px;\n    font-weight: bold;\n    text-transform: uppercase;\n    letter-spacing: .04em;\n  }\n\n  .rp-cta-sub {\n    font-size: 12px;\n    color: #666666;\n    margin: 10px auto 0 auto;\n    max-width: 720px;\n  }\n\n  .rp-footer-image {\n    text-align: center;\n    margin: 30px 0 0 0;\n  }\n\n  .rp-footer-image img {\n    max-width: 100%;\n    height: auto;\n    border-radius: 20px;\n  }\n\n  .rp-thank-you {\n    text-align: center;\n    font-size: 14px;\n    color: #333333;\n    font-weight: bold;\n    margin: 22px 0 0 0;\n  }\n\n  @media screen and (max-width: 768px) {\n    .rp-title {\n      font-size: 24px;\n    }\n\n    .rp-intro {\n      font-size: 15px;\n    }\n\n    .rp-measure-grid,\n    .rp-feature-grid {\n      grid-template-columns: 1fr;\n    }\n\n    .rp-spec-table td {\n      display: block;\n      width: 100% !important;\n    }\n\n    .rp-spec-table td:first-child {\n      border-bottom: none;\n      padding-bottom: 2px;\n    }\n\n    .rp-spec-table td:last-child {\n      padding-top: 2px;\n    }\n  }\n\u003c\/style\u003e\n\n\u003cdiv class=\"rp-product\"\u003e\n\n  \u003cdiv class=\"rp-logo\"\u003e\n    \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2659\/6148\/files\/LOGO-FINALx200.png?v=1763669885\" alt=\"R \u0026amp; P Carriages\"\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"rp-hero\"\u003e\n\n    \u003cdiv class=\"rp-kicker\"\u003e\n      Trailer Suspension \/ Slipper Spring Equalizer Service\n    \u003c\/div\u003e\n\n    \u003cdiv class=\"rp-title\"\u003e\n      13-139 Equalizer Pair for 10K GD Slipper Spring Trailer Suspension\n    \u003c\/div\u003e\n\n    \u003cdiv class=\"rp-sku\"\u003e\n      SKU: 13-139-03-PAIR\n    \u003c\/div\u003e\n\n    \u003cdiv class=\"rp-intro\"\u003e\n      Pair of trailer suspension equalizers stamped 13-139. Fits left-hand or right-hand service on compatible 10K GD slipper spring suspension applications using 38\" axle spacing and 2.5\" slipper springs.\n    \u003c\/div\u003e\n\n    \u003cdiv class=\"rp-badges\"\u003e\n      \u003cspan class=\"rp-badge-primary\"\u003eQuantity 2 — Equalizer Pair\u003c\/span\u003e\n      \u003cspan class=\"rp-badge\"\u003e13-139 Stamped Equalizers\u003c\/span\u003e\n      \u003cspan class=\"rp-badge\"\u003eDexter 013-139-03 Style Reference\u003c\/span\u003e\n      \u003cspan class=\"rp-badge\"\u003e38\" Axle Spacing Reference\u003c\/span\u003e\n    \u003c\/div\u003e\n\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"rp-spec-wrap\"\u003e\n    \u003cdiv class=\"rp-spec-header\"\u003e\n      Compact Specs\n    \u003c\/div\u003e\n\n    \u003ctable class=\"rp-spec-table\"\u003e\n      \u003ctbody\u003e\n        \u003ctr\u003e\n          \u003ctd\u003e\u003cstrong\u003eListing Quantity\u003c\/strong\u003e\u003c\/td\u003e\n          \u003ctd\u003e2 Equalizers \/ Pair\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003e\u003cstrong\u003eR\u0026amp;P SKU\u003c\/strong\u003e\u003c\/td\u003e\n          \u003ctd\u003e13-139-03-PAIR\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003e\u003cstrong\u003eStamped Number\u003c\/strong\u003e\u003c\/td\u003e\n          \u003ctd\u003e13-139\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003e\u003cstrong\u003eReference Numbers\u003c\/strong\u003e\u003c\/td\u003e\n          \u003ctd\u003eDexter 013-139-03 \/ 01313903 \/ 220-01313903\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003e\u003cstrong\u003eProduct Type\u003c\/strong\u003e\u003c\/td\u003e\n          \u003ctd\u003eTrailer suspension equalizer pair\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003e\u003cstrong\u003eSuspension Reference\u003c\/strong\u003e\u003c\/td\u003e\n          \u003ctd\u003e10K GD slipper spring suspension\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003e\u003cstrong\u003eSpring Style\u003c\/strong\u003e\u003c\/td\u003e\n          \u003ctd\u003e2.5\" slipper springs\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003e\u003cstrong\u003eAxle Spacing Reference\u003c\/strong\u003e\u003c\/td\u003e\n          \u003ctd\u003e38\" axle spacing\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n          \u003ctd\u003eLeft Hand \/ Right Hand\u003c\/td\u003e\n        \u003c\/tr\u003e\n      \u003c\/tbody\u003e\n    \u003c\/table\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"rp-card\"\u003e\n    \u003cspan class=\"rp-section-label\"\u003eMeasurement Guide\u003c\/span\u003e\n    \u003cp\u003e\n      Use the diagram and table below to compare this equalizer against your original suspension part. Match the stamped number, axle spacing, hole sizes, inside diameter, spring style, and suspension layout before ordering.\n    \u003c\/p\u003e\n\n    \u003cdiv class=\"rp-measure-grid\"\u003e\n\n      \u003cdiv class=\"rp-measure-image-card\"\u003e\n        \u003cimg src=\"https:\/\/www.humphreystrailerparts.com\/images\/suspension\/13-139-3-Trailer-Suspension-Equalizer_01.jpg\" alt=\"13-139-03 trailer suspension equalizer measurement diagram showing Dimension A, Dimension B, Hole C, and Hole D\"\u003e\n        \u003cdiv class=\"rp-measure-caption\"\u003e\n          Measurement diagram for 13-139 \/ 013-139-03 style slipper spring equalizer.\n        \u003c\/div\u003e\n      \u003c\/div\u003e\n\n      \u003cdiv class=\"rp-spec-wrap\" style=\"margin:0;\"\u003e\n        \u003cdiv class=\"rp-spec-header\"\u003e\n          Supplier Measurement Table\n        \u003c\/div\u003e\n\n        \u003ctable class=\"rp-spec-table\"\u003e\n          \u003ctbody\u003e\n            \u003ctr\u003e\n              \u003ctd\u003e\u003cstrong\u003eAxle Spacing\u003c\/strong\u003e\u003c\/td\u003e\n              \u003ctd\u003e38\"\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n              \u003ctd\u003e\u003cstrong\u003eDimension A\u003c\/strong\u003e\u003c\/td\u003e\n              \u003ctd\u003e14-1\/4\"\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n              \u003ctd\u003e\u003cstrong\u003eDimension B\u003c\/strong\u003e\u003c\/td\u003e\n              \u003ctd\u003e1-3\/8\"\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n              \u003ctd\u003e\u003cstrong\u003eHole Size C\u003c\/strong\u003e\u003c\/td\u003e\n              \u003ctd\u003e1\"\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n              \u003ctd\u003e\u003cstrong\u003eHole Size D\u003c\/strong\u003e\u003c\/td\u003e\n              \u003ctd\u003e3\/4\"\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n              \u003ctd\u003e\u003cstrong\u003eI.D.\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\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n              \u003ctd\u003eLeft Hand \/ Right Hand\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n              \u003ctd\u003e\u003cstrong\u003eMfg. Part #\u003c\/strong\u003e\u003c\/td\u003e\n              \u003ctd\u003e013-139-03\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n              \u003ctd\u003e\u003cstrong\u003eReference\u003c\/strong\u003e\u003c\/td\u003e\n              \u003ctd\u003e08527-5 \/ 085275\u003c\/td\u003e\n            \u003c\/tr\u003e\n          \u003c\/tbody\u003e\n        \u003c\/table\u003e\n      \u003c\/div\u003e\n\n    \u003c\/div\u003e\n\n    \u003cdiv class=\"rp-note\"\u003e\n      Measurement Note: This equalizer is measurement-sensitive. Supplier reference data can display formatting differences, so always compare the actual part, diagram labels, and physical measurements before installation.\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"rp-card\"\u003e\n    \u003cspan class=\"rp-section-label\"\u003eOverview\u003c\/span\u003e\n    \u003cp\u003e\n      This listing includes two matching 13-139 trailer suspension equalizers for compatible tandem-axle slipper spring suspension service. Equalizers help the suspension articulate between the front and rear springs as the trailer moves over uneven roads, driveways, jobsite terrain, and loading areas.\n    \u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"rp-card-muted\"\u003e\n    \u003cdiv class=\"rp-heading\"\u003eR\u0026amp;P Service Insight\u003c\/div\u003e\n    \u003cp\u003e\n      Equalizers are load-sharing suspension parts. When they wear, bend, crack, or no longer pivot correctly, the trailer can ride rough, wear tires unevenly, or place added stress on springs, hangers, and hardware.\n    \u003c\/p\u003e\n    \u003cul\u003e\n      \u003cli\u003e\n\u003cstrong\u003ePair Replacement:\u003c\/strong\u003e This listing includes two equalizers for matched side-to-side suspension service.\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eMeasurement Match:\u003c\/strong\u003e Stamped number alone is helpful, but dimensions and suspension layout still need to match.\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eHardware Check:\u003c\/strong\u003e Inspect bolts, nuts, bushings, hangers, spring eyes, and wear points during installation.\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"rp-card-gold\"\u003e\n    \u003cdiv class=\"rp-heading\"\u003eR\u0026amp;P Knowledge Hub\u003c\/div\u003e\n    \u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Reference data for this equalizer family identifies Dexter 013-139-03 \/ 01313903 style 10K GD equalizer applications with 38\" axle spacing and 2.5\" slipper springs.\u003c\/p\u003e\n    \u003cp\u003e\u003cstrong\u003eVehicle \/ System Fit:\u003c\/strong\u003e Tandem-axle trailer slipper spring suspension where the original equalizer matches this style, stamped number, and measurement set.\u003c\/p\u003e\n    \u003cp\u003e\u003cstrong\u003eInstallation Notes:\u003c\/strong\u003e Confirm axle spacing, spring width, hole sizes, hanger setup, center pivot layout, inside diameter, and suspension geometry before installation.\u003c\/p\u003e\n    \u003cp\u003e\u003cstrong\u003ePerformance Insight:\u003c\/strong\u003e A correctly matched equalizer supports suspension articulation and helps distribute movement between the front and rear springs in a tandem-axle setup.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv style=\"margin:0 0 16px 0;\"\u003e\n    \u003cspan class=\"rp-section-label\"\u003eFeatures\u003c\/span\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"rp-feature-grid\"\u003e\n    \u003cdiv class=\"rp-feature\"\u003e\n      \u003cdiv class=\"rp-feature-title\"\u003ePair of Matching Equalizers\u003c\/div\u003e\n      \u003cp class=\"rp-feature-text\"\u003eListing includes two equalizers for side-to-side service on compatible tandem-axle trailer suspension setups.\u003c\/p\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv class=\"rp-feature\"\u003e\n      \u003cdiv class=\"rp-feature-title\"\u003e13-139 Stamped Reference\u003c\/div\u003e\n      \u003cp class=\"rp-feature-text\"\u003eUse the stamped number as one of the main comparison points when matching your original suspension equalizers.\u003c\/p\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv class=\"rp-feature\"\u003e\n      \u003cdiv class=\"rp-feature-title\"\u003eDexter 013-139-03 Style Reference\u003c\/div\u003e\n      \u003cp class=\"rp-feature-text\"\u003eCross-reference information is included to help compare supplier and original part data before ordering.\u003c\/p\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv class=\"rp-feature\"\u003e\n      \u003cdiv class=\"rp-feature-title\"\u003eBuilt for Slipper Spring Suspension Service\u003c\/div\u003e\n      \u003cp class=\"rp-feature-text\"\u003eIntended for compatible 10K GD slipper spring suspension applications where measurements and layout match.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"rp-spec-wrap\"\u003e\n    \u003cdiv class=\"rp-spec-header\"\u003e\n      Included Components\n    \u003c\/div\u003e\n\n    \u003ctable class=\"rp-spec-table\"\u003e\n      \u003ctbody\u003e\n        \u003ctr\u003e\n          \u003ctd\u003e\u003cstrong\u003eQuantity\u003c\/strong\u003e\u003c\/td\u003e\n          \u003ctd\u003e2\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003e\u003cstrong\u003eItem\u003c\/strong\u003e\u003c\/td\u003e\n          \u003ctd\u003e13-139 trailer suspension equalizers\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003e\u003cstrong\u003eNot Included\u003c\/strong\u003e\u003c\/td\u003e\n          \u003ctd\u003eBolts, nuts, bushings, shackle straps, center hangers, spring eye hardware, leaf springs, and installation hardware unless shown or specifically stated.\u003c\/td\u003e\n        \u003c\/tr\u003e\n      \u003c\/tbody\u003e\n    \u003c\/table\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"rp-card\"\u003e\n    \u003cdiv class=\"rp-heading\"\u003eRelated Hardware To Check\u003c\/div\u003e\n    \u003cp\u003e\n      The following Dexter hardware references are commonly associated with this equalizer family, but they are not included in this listing:\n    \u003c\/p\u003e\n\n    \u003ctable class=\"rp-spec-table\"\u003e\n      \u003ctbody\u003e\n        \u003ctr\u003e\n          \u003ctd\u003e\u003cstrong\u003eDexter 006-112-00\u003c\/strong\u003e\u003c\/td\u003e\n          \u003ctd\u003eLock nut, 1\"-8, Grade B\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003e\u003cstrong\u003eDexter 006-113-00\u003c\/strong\u003e\u003c\/td\u003e\n          \u003ctd\u003eLock nut, 3\/4\"-10 thread\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003e\u003cstrong\u003eDexter 007-264-00\u003c\/strong\u003e\u003c\/td\u003e\n          \u003ctd\u003e3\/4\"-10 x 4-1\/2\" bolt for 10K GD spring eyes\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003e\u003cstrong\u003eDexter 007-169-00\u003c\/strong\u003e\u003c\/td\u003e\n          \u003ctd\u003eEqualizer \/ spring eye bolt, 1\"-8 x 5-1\/2\"\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003e\u003cstrong\u003eDexter 029-042-02\u003c\/strong\u003e\u003c\/td\u003e\n          \u003ctd\u003e10K GD center hanger for equalizer\u003c\/td\u003e\n        \u003c\/tr\u003e\n      \u003c\/tbody\u003e\n    \u003c\/table\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"rp-note\"\u003e\n    This is a measurement-sensitive trailer suspension component. Verify stamped number, part number reference, axle spacing, spring width, hole sizes, inside diameter, hanger setup, suspension layout, and included components before installation. OEM or manufacturer names are used for part-matching reference only unless the product is specifically identified as OEM and verified.\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"rp-cta\"\u003e\n    \u003ca href=\"https:\/\/needatrailerpart.com\/search?q=13-139%20equalizer\"\u003e\n      Shop Related Suspension Parts\n    \u003c\/a\u003e\n    \u003cdiv class=\"rp-cta-sub\"\u003e\n      Need matching bolts, nuts, hangers, bushings, or trailer suspension components? Search our site for related equalizer and slipper spring suspension parts.\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv style=\"display:none;\"\u003e\n    13-139 equalizer pair, 13-139 trailer suspension equalizer pair, Dexter 013-139-03 style equalizer pair, 01313903 equalizer pair, 220-01313903, 10K GD equalizer pair, 38 inch axle spacing equalizer, 2.5 inch slipper spring equalizer pair, tandem axle trailer equalizer pair, trailer slipper spring suspension equalizer pair, heavy duty trailer equalizer replacement, quantity 2 equalizers, 13-139-03-PAIR, 14 1\/4 equalizer, 1 inch center hole equalizer, 3\/4 side hole equalizer, 2 3\/4 ID slipper spring equalizer\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"rp-footer-image\"\u003e\n    \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2659\/6148\/files\/Baseball_AdvertisingEBaySafe-sign.png?v=1772901008\" alt=\"R \u0026amp; P Carriages\"\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"rp-thank-you\"\u003e\n    Thank You For Choosing R\u0026amp;P Carriages As Your Online Shopping Source!\n  \u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"Need a Trailer Part","offers":[{"title":"Default Title","offer_id":51906836594974,"sku":null,"price":162.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2659\/6148\/files\/13-139-03-PAIR.png?v=1779984576","url":"https:\/\/needatrailerpart.com\/products\/13-139-03-pair","provider":"Need a Trailer Part","version":"1.0","type":"link"}