{"product_id":"heavy-duty-gabriel-fleetline-rear-shock-absorbers-for-truck-stability","title":"Gabriel Fleetline Heavy Duty Rear Shock Absorber 83137 - Commercial","description":"\u003cp\u003eOur review of the Gabriel Fleetline 83137 rear shock absorber finds it aimed squarely at fleet operators and heavy-duty truck owners who need a direct OE replacement that matches original ride characteristics. The single biggest reason to consider this shock is its purpose-built valving and robust construction that compensate for initial suspension softening on commercial vehicles, delivering a firmer, more controlled ride for vocational trucks, school buses and tractor units. It is a straightforward replacement for many OE numbers and is valued for fit and ride quality by technicians and drivers.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect replacement fit:\u003c\/strong\u003e Built to match OE mount codes ES36 top and bottom so installation fits many Autocar, Kenworth, Volvo and other vocational applications without modification.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eValving matched to commercial suspensions:\u003c\/strong\u003e Valving rate is tuned to compensate for initial truck suspension softening, preserving predictable handling under load.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable piston and rod:\u003c\/strong\u003e Chromed piston rod offers superior corrosion protection for longer service life in harsh fleet environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRugged seals and mounts:\u003c\/strong\u003e Self-compensating piston seal and 360 degree arc welded end mounts reduce breakage and leakage risk in heavy use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAnti-corrosive end mounts:\u003c\/strong\u003e Most applications feature treated end mounts to prevent rust and bolt seizure, reducing downtime at replacement.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHydraulic rebound stop:\u003c\/strong\u003e Where applicable, a hydraulic rebound stop prevents impact damage to the shock and to air springs during heavy compression events.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThe Gabriel Fleetline 83137 is best for fleet maintenance shops, owner-operators and vocational truck owners running Autocar, Kenworth, Volvo, Isuzu, Caterpillar or Blue Bird vehicles that require a heavy-duty OE-style rear shock. It suits vehicles with air suspension systems and tag axles where a commercial-rated shock with a 12.25' stroke and 30.04' extended length is needed.\u003c\/p\u003e\n\u003cp\u003eThose who rely on long service intervals and absolute long-term durability in extreme off-road or salt-exposed conditions should evaluate usage history carefully, since some users reported leaks or early failures; emergency roadside spare strategies or upgraded service intervals may be prudent for high-mileage units.\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\u003eMatches OE fit and valving for predictable ride and handling on heavy-duty trucks.\u003c\/li\u003e\n\u003cli\u003eQuality chromed piston rod and welded end mounts improve corrosion resistance and strength.\u003c\/li\u003e\n\u003cli\u003eCustomers report easy installation and a noticeable improvement in ride quality and handling over worn OEM units.\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 reported durability issues and leakage in a minority of units, so performance can vary under heavy duty cycling.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Number\u003c\/td\u003e\n\u003ctd\u003e83137 (interchanges include 60670-005, 47902-24, 59057-001, 60665-003)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStroke\u003c\/td\u003e\n\u003ctd\u003e12.25 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExtended Length\u003c\/td\u003e\n\u003ctd\u003e30.04 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCollapsed Length\u003c\/td\u003e\n\u003ctd\u003e17.79 in\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\u003eES36\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplications\u003c\/td\u003e\n\u003ctd\u003eCommercial trucks and buses: Autocar, Blue Bird, Caterpillar, Isuzu, Kenworth, Volvo, SAF Holland\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe Gabriel Fleetline 83137 is a practical, value-oriented heavy duty rear shock for fleet and vocational trucks that need OE-style performance and fit. It consistently improves ride quality and installs without fuss, making it a good choice for routine replacement on compatible vehicles; buyers should monitor early units for leaks and factor in fleet maintenance practices if trucks see extreme duty.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this shock fit Kenworth T270 and T370 models?\u003c\/strong\u003e\u003cbr\u003eYes. The 83137 is listed for several Kenworth models including T270 and T370 as a rear Fleetline heavy duty replacement.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWill this replace OEM part 60670-005?\u003c\/strong\u003e\u003cbr\u003eYes. The 83137 is offered as an interchange for 60670-005 and several other OEM numbers for direct replacement fit.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAre the end mounts corrosion resistant?\u003c\/strong\u003e\u003cbr\u003eMost applications include anti-corrosive end mounts to prevent rust and bolt seizure, improving serviceability in fleet use.\u003c\/p\u003e","brand":"Gabriel","offers":[{"title":"Default Title","offer_id":48145363370203,"sku":"B004K80W42","price":37.16,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/41RkruRgl0L._AC_SL1500.jpg?v=1768823282","url":"https:\/\/gearmusthave.com\/products\/heavy-duty-gabriel-fleetline-rear-shock-absorbers-for-truck-stability","provider":"GearMustHave","version":"1.0","type":"link"}