Monroe 66108 | Suspension Shock Absorber

Part Number
Magnum Cab Shock Absorber

Fits: 98-99 Volvo VN, 04 Volvo VN, 11-16 Volvo VNL, 11-16 Volvo VNM, 14-17 Volvo VNX

Special Price $59.49 Regular Price $69.99
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The Monroe® Magnum™ Cab Shock isolates the cab from the frame, offering a smoother, more comfortable ride. Specifically designed for today's heavy-duty cab suspension, the gas-charged Monroe Magnum™ Cab Shock utilizes patented groove tube technology and velocity-sensitive valving to deliver a new industry standard in driver comfort, with reduced fatigue. (On most applications)

BRAND: Monroe Shocks & Struts


  • .05-inch pressure tube withstanding pressure of 9KPSI - On most applications
  • Magnum Cab Shock Absorber
  • Nitrogen gas-charged: For improved ride and handling, helps maintain tire to road contact by reducing aeration
  • Tenneco shouldered bushings: Shouldered bushing and bonded bushing with sleeve designs prevent (bushing walkout) for improved quality and durability - on most applications
  • 1-3/8-inch (35 mm) bore: Larger bore than most shocks to provide more efficient and consistent control - on most applications
  • 10-stage valving: Reacts to wide range of driving conditions - on most applications
  • 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
  • Loop welding technique: Resistance weld with additional 360-degree weld provide up to 12,100 lbs. (5,488 kg) tensile strength for maximum durability - when required
  • 2013-2011,2009,2006-2004,2000-1998 Volvo VN Cab, 2016-2011 Volvo VNL Cab, 2016-2011 Volvo VNM Cab, 2018-2013 Volvo VNX Cab
  • Magnum Cab Shock Absorber
  • Monroe Shocks & Struts Magnum Cab 66108 Shock Absorber
  • 2-inch (50.8 mm) reserve tube: More fluid for more consistent performance - on most applications
  • PTFE coated bearing: Reduces friction during operation between the rod and rod guide, improving durability - on most applications


Compressed Bumper StopNo
Compressed Length8.3750
Dust ShieldYes
Dust Shield IncludedYes
Dust Shield MaterialPlastic
Extended Bumper StopNo
Extended Hydraulic LockoutNo
Extended Length10.2500
Lower Mounting CodeLS44
Lower Mounting DescriptionLoop Bushing & Sleeve Mount - 14MM Sleeve ID X 1.7/8" Sleeve OAL
Parts PackNone
Travel Length1.8750
Upper Mounting CodeLS89
Upper Mounting DescriptionLoop Bushing & Sleeve Mount - 1" Sleeve ID X 1.3/4" Sleeve OAL



  • Gabriel: 83028
  • Gabriel: 83029
  • Gabriel: 85028
  • Sachs: 317772
  • Meritor: M83029
  • VOLVO / WHITE / GMC: 20624917
  • VOLVO / WHITE / GMC: 8078547
  • VOLVO / WHITE / GMC: 8078546
  • VOLVO / WHITE / GMC: 20496217


  • 2011-2016 Volvo VNL - Position: Cab
  • 1998-1999 Volvo VN - Position: Cab
  • 2014-2017 Volvo VNX - Position: Cab
  • 2011-2016 Volvo VNM - Position: Cab
  • 2004-2004 Volvo VN - Position: Cab
Customer Questions
How often should shock absorbers be replaced?
Shock absorbers should generally be replaced every 50,000 miles or every 5-7 years
How to replace shock absorbers?
To replace shock absorbers, you need to remove the wheel and tire assembly, unbolt the old shock absorber, replace it with a new one, and tighten the bolts. Then, reinstall the wheel and tire, and test the new shocks.
Why do shock absorbers leak?
Shock absorbers can leak due to worn seals, damage to the piston or cylinder, or corrosion from exposure to moisture and road salt.
Can shock absorbers be replaced?
Yes, shock absorbers can be replaced when they start to wear out or fail.
Please, mind that only logged in users can submit questions

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