monroe shocks

Monroe Shocks 66458 Gas Magnum Shock Absorbers

(No reviews yet) Write a Review
SKU:
20745664
MPN:
66458_100
Availability:
Usually ships the same or next business day. In stock at our CA, KS, PA warehouses.
Shipping:
Calculated at Checkout
Stock Update:
02/01/2026 03:15:17 AM PST
$51.05

Bulk discount rates

Below are the available bulk discount rates for each individual item when you purchase a certain amount

Buy 2 and pay only $46.87 each 46.87
Buy 3 - 4 and pay only $43.00 each 43
Buy 5 or above and pay only $42.16 each 42.16
Stock Update:
02/01/2026 03:15:17 AM PST

Description

This item is brand-new, factory sealed.

Monroe Magnum 66458 Suspension Shock Absorber
  • COMPATIBILITY Fits 2018-2022 Freightliner Cascadia; 2018-2020 Freightliner Cascadia
  • GET THE RIGHT PART -- Before purchasing, research to ensure that the part will fit your vehicle; enter all vehicle information (year, make, model, engine and trim) for compatibility and check qualifier notes
  • FOR HARDWORKING COMMERCIAL VEHICLES -- Designed to handle the demands of high mileage and severe use class 3-6 trucks and buses
  • CONSISTENT RIDE -- All-weather fluid contains special additives to assist with extreme temperatures and help reduce oil breakdown while 2-in. or 2-1/4-in. reserve tube holds more fluid to improve performance (when required)
  • EXCEPTIONAL HANDLING -- 10-Stage valving, tuned specifically to each vehicle, adjusts to road extremes while the larger 1-3/8-in. bore provides more efficient damping control to provide consistency and a smooth ride (most applications)
  • STRONG AND DURABLE -- Shouldered bushing and bonded bushing with sleeve protects from bushing walkout for improved quality; arc welds up to 360 for durability
  • BUILT TO LAST -- Robust hydraulic lock-out prevents over extension of air bags, top-out of the piston and averts damage to seal assembly (on most applications)
  • LONGER SERVICE LIFE -- Bearing with PTFE coating reduces friction between rod and rod guide combined with nitrocarburized piston rod provides durability and longer service life (most applications)
  • REDUCED NOISE, VIBRATION AND HARSHNESS -- Delivers exceptional control and isolates impact-related noise, vibration, and harshness under most driving conditions
  • IMPROVES PERFORMANCE -- Nitrogen gas-charge maintains tire-to-road contact for improved ride and handling by reducing aeration and shock fade
  • Manufacturer: ?Monroe Shocks & Struts
  • Brand: ?Monroe
  • Model: ?MAGNUM SHOCK
  • Item Weight: ?5 pounds
  • Product Dimensions: ?23.25 x 4 x 2.62 inches
  • Country of Origin: ?USA
  • Item model number: ?66458
  • Exterior: ?Machined
  • Manufacturer Part Number: ?66458
  • Position: ?Lower

BUY WITH CONFIDENCE -- Comes with Monroes 90-day Risk Free Ride Offer and Limited Commercial Warranty

View AllClose

Warranty Information

All Items are Brand New, Factory Sealed and come with a standard warranty. [Read our policies]
View AllClose

0 Reviews

View AllClose
Main
Monroe Shocks 66458 Gas Magnum Shock Absorbers
$51.05