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Monroe Gas-Magnum RV Shocks



Gas Charged Shocks specifically designed for Motorhomes


The Monroe Gas-Magnum® RV shock combines gas-charging and valving to deliver a new level of ride and handling.
Engineered to exceed the demanding standards of original equipment manufacturers, these shocks are designed for a broad range of applications, from tow vehicles to class A, B and C motorhomes.

2 year/200,000 mile warranty


Two Different Series of Shocks depending on Application



55XXX Series

  • Primarily for Class B/C motorhomes, tow vehicles and trailer applications.
  • 1 -3/8" bore
  • 2" reserve tube
  • Multilip piston rod seal
  • Nitrogen gas charged
  • For several class C applications, load assist (coil over) is available
 57XXX Series

  • Primarily for Class A motorhomes, both front and rear engine
  • 1 -3/4" bore
  • 2.38" reserve tube
  • Single lip piston rod seal
  • Low pressure nitrogen gas charge (60psi)

 Construction Features

  1. Single lip, low friction oil seal 

  2. Unique hydraulic rebound lockout**

  3. Nitrogen Gas Charged

  4. Fluon-Banded Piston

  5. Large 1-3/8 inch or 1-3/4 inch piston bore

  6. Sintered iron rod guide with Teflon bushing

  7. 5/8 inch or 18mm diameter super finished heavy chrome piston rod

  8. Heavy wall drawn over mandrel pressure tube

  9. Arc-welded mounts with solid loops and bonded bushings

  10. 10-Stage full displaced valving* automatically adjusts to road extremes for a smooth ride

*on most applications.
**when required.


monroe magnum rv shocks







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Catalytic Converters dramatically reduce harmful exhaust emissions

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Catalytic converters typically consist of a ceramic or metal honeycombed monolith substrate that carries precious metal catalysts.