Monroe 66407 Shock Absorber

Part Number
Magnum Shock Absorber

Fits: 02-14 Freightliner M2 106, 03-14 Freightliner M2 112, 04-12 Freightliner Business Class M2

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Estimated Ship Date: 1 Business Day or Less
The Monroe® Magnum™ shock absorber for class 3-6 Vehicles is gas-charged for quicker response and a stable, more comfortable ride. Replacing worn-out units with hard-working Magnum™ shocks can help reduce excessive vibration. The result can be better tire life, less downtime and a lower cost per mile.

BRAND: Monroe Shocks & Struts


  • .05-inch Pressure tube withstanding pressure of 9KPSI
  • 2-inch (50.8 mm) or 2-1/4-inch (57.2 mm) reserve tube: More fluid for more consistent performance - when required
  • Nitrogen gas-charged: For improved ride and handling, helps maintain tire to road contact by reducing aeration - on most applications
  • Monroe Shocks & Struts Magnum 66407 Shock Absorber
  • 1-3/8-inch (35 mm) bore: Larger bore than most shocks to provide more efficient and consistent control - on most applications
  • Tenneco shouldered bushings: Shouldered bushing and bonded bushing with sleeve designs prevent (bushing walkout) for improved quality and durability - on most applications
  • Magnum Shock Absorber
  • 10-stage valving: Reacts to wide range of driving conditions - on most applications
  • PTFE coated bearing: Reduces friction during operation between the rod and rod guide, improving durability - on most applications
  • 2012-2004 Freightliner Business Class M2 Rear, 2014-2002 Freightliner M2 106 Front, 2014-2003 Freightliner M2 112 Front, 2016-2003 Freightliner M2-106 Rear, 2011-2007 Freightliner M2-106V Rear, 2016-2007 Freightliner M2-112 Rear
  • Magnum Shock Absorber
  • Loop welding technique: Resistance weld with additional 360-degree weld provide up to 13,100 lbs. (6,395 kg) tensile strength for maximum durability - when required
  • Robust hydraulic lock-out: Prevents over-extension of the suspension, top-out of the piston and averts damage to the seal assembly - on most applications


Compressed Bumper StopNo
Compressed Length13.8800
Dust ShieldYes
Dust Shield IncludedYes
Dust Shield MaterialMetal
Extended Bumper StopNo
Extended Hydraulic LockoutYes
Extended Length22.1900
Lower Mounting CodeLS54
Lower Mounting DescriptionLoop Bushing & Sleeve Mount - 3/4" Sleeve ID X 1.3/4" Sleeve OAL
Parts PackP01482
Travel Length8.3100
Upper Mounting CodeS6
Upper Mounting DescriptionStem Mount - 3.5/16" Stem Length X 5/8"-11 Thread Pitch



  • Gabriel: 83134
  • Freightliner: 1616442000
  • Sachs: 315603
  • Freightliner: 1616486000
  • Gabriel: 659062
  • Sachs: 471700002995
  • Sachs: 471700002994
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