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MONROE 66601  
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MONROE 66601 Specifications
Dust ShieldYes
Extended Length (in.)22.875
Upper Mounting DescriptionStem Mount - 2.3/8" Stem Length X 3/8"-16 Thread Pitch
Lower Mounting DescriptionLoop Bushing & Sleeve Mount - 5/8"-16MM Sleeve ID X 1.1/2" Sleeve OAL
Compressed Length (in.)13.500
Travel Length (in.)9.375
Parts Pack(s)P01136
Cylinder IncludedNo
Compressed Bumper StopNo
Extended Bumper StopNo
Extended Hydraulic LockoutNo
Dust Shield MaterialMetal
Magnum; Gas 60

Monroe® Magnum™ shock absorbers for class 3-6 Vehicles are 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, which can result in better tire life, less downtime, and a lower cost per mile.

  • 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)
  • PTFE Coated Bearing: Reduces friction during operation between the rod and rod guide, improving durability (on most applications)
  • Shouldered Bushings: Shouldered bushing and bonded bushing with sleeve designs prevent bushing walkout for improved quality and durability (on most applications)
  • Nitrogen Gas-Charged: For improved ride and handling. Helps maintain tire to road contact by reducing aeration
  • Loop Welding Technique: Provides up to 14,100 lbs. (6,395 kg) tensile strength for maximum durability
  • Larger Reserve Tube: More fluid for more consistent performance (on most applications)
  • Larger Bore: Provides more efficient and consistent control (on most applications)
  • 5/8" (16 mm) Diameter Piston Rod: Nitrocarburized design is more environmentally friendly and maintains chrome structural benefits without affecting durability or use life of the rod. Sintered iron design allows for more precise piston dimensions, requiring no additional components for exceptional fit (on most applications)
  • .05" Pressure Tube withstands pressure of 9KPSI (on most applications)
  • 10-stage valving: Reacts to a wide range of driving conditions (on most applications)
  • All weather fluid: Contains special modifiers to reduce frictions and ensure smooth rod reaction
Additional Resources

Shock Absorber Oil Weepage vs. Leakage
OEM / Interchange Numbers: 1516302191

Warranty Information:
Limited Lifetime
Warranty Details