Monroe 550013 | Rear Suspension Shock Absorber

Part Number
Magnum Severe Service Shock Absorber

Fits: 71-96 Chevrolet Caprice, 71-85 Chevrolet Impala

Special Price $52.69 Regular Price $61.99
In stock
Free Shipping
Estimated Ship Date: 1 Business Day or Less
Engineered for hardworking emergency, municipal, fleet and jobsite vehicles, Monroe® Magnum® Severe Service shocks feature enhanced components for superior stability and ride control in the toughest environments.

BRAND: Monroe Shocks & Struts


  • STRONG AND DURABLE -- Loop welding techniques include resistance welds and/or arc welds up to 360-degrees for durability while shouldered bushing and bonded bushing (on most applications) delivers quality
  • Magnum Severe Service Shock Absorber
  • CONSISTENT RIDE -- OE all-weather fluid contains special modifiers to handle extreme temperatures and help reduce friction and ensure smooth rod reaction
  • Monroe Shocks & Struts Magnum Severe Service 550013 Shock Absorber
  • CONTROL AND DURABILITY – Banded piston helps reduce friction between the piston and pressure tube to enhance responsiveness to changing road surfaces for smooth operation
  • BUILT TO LAST -- Heavy-duty nitrocarburized rod (on most applications) and sintered iron piston enhance durability for longer service life
  • LONGER SERVICE LIFE -- Larger bore, bigger 2-in. reserve tube and 0.05-in. pressure tube work together to hold more oil for greater capacity to allow the shock to work efficiently for controlled ride and longer service life
  • Magnum Severe Service Shock Absorber
  • 1996-1971 Chevrolet Caprice Rear, 1985-1971 Chevrolet Impala Rear
  • ENGINEERED FOR EMERGENCY AND FLEET VEHICLES -- For hardworking first responder, municipal, fleet and jobsite vehicles and features 10-stage valving that adjusts to road extremes to help handle frequent stops, heavy loads and high miles
  • IMPROVES PERFORMANCE -- Nitrogen gas-charge maintains tire-to-road contact for improved ride and handling by reducing aeration and shock fade


Compressed Bumper StopNo
Compressed Length13.2500
Dust ShieldYes
Dust Shield IncludedYes
Dust Shield MaterialMetal
Extended Bumper StopYes
Extended Hydraulic LockoutNo
Extended Length21.2500
Lower Mounting CodeL1
Lower Mounting DescriptionLoop Bushing Mount - 5/8" Bushing ID X 1.5/16" Bushing OAL
Parts PackP00576,P00941
Travel Length8.0000
Upper Mounting CodeXP7
Upper Mounting DescriptionCross Pin Mount - Closed Ended, 5/16" Hole ID (Both Ends) X 2.7/8" Pin Length (Hole Center to Center)



  • KYB: KG5507
  • KYB: 343130


  • 1971-1996 Chevrolet Caprice - Position: Rear
  • 1971-1985 Chevrolet Impala - Position: Rear
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

Compatible Vehicles

Copyright © 2013-present PartsHawk, LLC. All rights reserved.