{"product_id":"gabriel-85072-fleetline-heavy-duty-rear-shock-absorber-durable-oem","title":"Gabriel 85072 Fleetline Heavy Duty Rear Shock Absorber - Durable OEM","description":"\u003cp\u003eIn this review the Gabriel 85072 Fleetline heavy duty rear shock absorber is evaluated as a direct replacement for commercial and fleet vehicles. It is aimed at fleet managers, truck owners and service technicians who need a heavy-duty shock built to match OEM fit and valving for large trucks and emergency vehicles. The single biggest reason to buy is straightforward: this shock provides the correct OEM interchange fitment across many heavy-duty applications and helps restore ride control and handling for Class 3-8 commercial chassis.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect OEM Compatibility:\u003c\/strong\u003e Fits a wide range of commercial models including Autocar, Caterpillar, International and Western Star, easing parts matching for fleet maintenance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeavy Duty Construction:\u003c\/strong\u003e Built for demanding fleet use so it withstands frequent loading, towing and long service intervals typical of commercial vehicles.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCorrect Mount Codes and Dimensions:\u003c\/strong\u003e Uses upper mount ES36 and lower mount ES176 with specified collapsed and extended lengths to match factory geometry during replacement.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFleetline Valving:\u003c\/strong\u003e Valving is designed to restore ride control on low friction Hendrickson and Primaax air suspensions for improved stability and driver comfort.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide Interchange Coverage:\u003c\/strong\u003e Multiple interchange numbers are listed, simplifying sourcing and ensuring compatibility with existing OEM part references.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThis shock is best for fleet maintenance crews, owner-operators and repair shops that service heavy-duty trucks, fire apparatus, RVs and school buses where OEM fitment and heavy-duty performance matter. It is particularly useful when replacing worn or failed shocks on Hendrickson Primaax and similar air suspension systems to regain ride height control and reduce chassis vibration.\u003c\/p\u003e\n\u003cp\u003eIt is less suitable for passenger cars or light pickups, and owners seeking a lifetime maintenance-free part should be aware that heavy commercial use can still cause wear; some customers reported early failures and oil leakage under extreme conditions.\u003c\/p\u003e\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCorrect OEM fitment across many Class 3-8 models makes installation straightforward and reduces downtime.\u003c\/li\u003e\n\u003cli\u003eDesigned for heavy-duty fleet use, offering improved ride quality and handling on rough roads.\u003c\/li\u003e\n\u003cli\u003eClear interchange information and mount codes help confirm compatibility before purchase.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSome users have reported durability issues and oil leakage on a minority of units, so long-term performance can vary.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eStroke (in)\u003c\/td\u003e\n\u003ctd\u003e9.36\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExtended Length (in)\u003c\/td\u003e\n\u003ctd\u003e24.17\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCollapsed Length (in)\u003c\/td\u003e\n\u003ctd\u003e14.81\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUpper Mount Code\u003c\/td\u003e\n\u003ctd\u003eES36\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLower Mount Code\u003c\/td\u003e\n\u003ctd\u003eES176\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInterchange Part Numbers\u003c\/td\u003e\n\u003ctd\u003eIncludes 60657003, 14QK-429M2, 3626571C2, 20782199, 60657007\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe Gabriel 85072 Fleetline rear shock absorber is a practical choice for fleets and technicians who need an OEM-compatible heavy duty replacement that restores ride control on large trucks and apparatus. It represents good value when compatibility and correct valving are priorities, though buyers should inspect for leaks during early service since some units have shown limited durability under extreme use.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this shock fit Hendrickson Primaax air suspensions?\u003c\/strong\u003e\u003cbr\u003eYes, it is compatible with several Hendrickson Primaax and Primaax EX series ride heights listed for heavy truck applications.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAre the mounting codes standard for direct replacement?\u003c\/strong\u003e\u003cbr\u003eYes, the upper mount code is ES36 and the lower mount code is ES176, matching factory geometry for the listed applications.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs this suitable for emergency vehicles and fire trucks?\u003c\/strong\u003e\u003cbr\u003eYes, it is specified for fire rescue and heavy apparatus chassis with appropriate ride heights found in the fitment list.\u003c\/p\u003e","brand":"Gabriel","offers":[{"title":"Default Title","offer_id":48684561203419,"sku":"B004K84S8I","price":75.78,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/51bjS0s61fL._AC_SL1500.jpg?v=1778647677","url":"https:\/\/gearmusthave.com\/products\/gabriel-85072-fleetline-heavy-duty-rear-shock-absorber-durable-oem","provider":"GearMustHave","version":"1.0","type":"link"}