Monroe 66196 | Suspension Shock Absorber

Part Number
Magnum Cab Shock Absorber

Fits: 81-02 Western Star 4800, 81-02 Western Star 4900, 97-02 Western Star 5800

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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


  • Magnum Cab Shock Absorber
  • 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
  • .05-inch pressure tube withstanding pressure of 9KPSI - On most applications
  • PTFE coated bearing: Reduces friction during operation between the rod and rod guide, improving durability - on most applications
  • 2002-1981 Western Star 4800 Cab, 2001-1999 Western Star 4842FX Cab, 2001-1999 Western Star 4864FX Cab, 2002-1981 Western Star 4900 Cab, 2001-1999 Western Star 4942FX Cab, 2001-1999 Western Star 4942SX Cab
  • 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
  • 2-inch (50.8 mm) reserve tube: More fluid for more consistent performance - 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
  • Tenneco shouldered bushings: Shouldered bushing and bonded bushing with sleeve designs prevent (bushing walkout) for improved quality and durability - on most applications
  • Monroe Shocks & Struts Magnum Cab 66196 Shock Absorber
  • Nitrogen gas-charged: For improved ride and handling, helps maintain tire to road contact by reducing aeration
  • Magnum Cab Shock Absorber


Compressed Bumper StopYes
Compressed Length10.1200
Dust ShieldYes
Dust Shield IncludedYes
Dust Shield MaterialMetal
Extended Bumper StopYes
Extended Hydraulic LockoutNo
Extended Length13.8400
Lower Mounting CodeS4
Lower Mounting DescriptionStem Mount - 2.3/8" Stem Length X 3/8"-16 Thread Pitch
Parts PackP01136
Travel Length3.7200
Upper Mounting CodeLS37
Upper Mounting DescriptionLoop Bushing & Sleeve Mount - 1/2" Sleeve ID X 34.93MM Sleeve OAL



  • Sachs: 315615
  • Western Star: 660103406
  • Western Star: 1860773000
  • OEM: 1860773000
  • Sachs: 814903003501
  • Gabriel: 83027


  • 1997-2002 Western Star 5800 - Position: Cab
  • 1981-2002 Western Star 4900 - Position: Cab
  • 1981-2002 Western Star 4800 - 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.
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