The Monroe Shocks & Struts Magnum Rear Suspension Shock Absorber (part number 66858) is a direct-fit replacement for 1960-1974 Dodge vehicles with engines. Monroe Magnum 66858 Rear Suspension Shock Absorber for Chevrolet Silverado 1500
Features:
- INSTALLERS ADVANTAGE -- Designed to save time, simplify the job, fix OE design issues, solve customer complaints or enhances durability and longevity
- 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 deg 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
- BUY WITH CONFIDENCE -- Comes with Monroe's 90-day Risk Free Ride Offer and Limited Commercial Warranty
Specifications:
| Product Grade | Premium |
| Lower Mount Type | Loop Bushing Mount - 11/16" Bushing ID X 1.9/16" Bushing OAL |
| Lower Mount Code | L2 |
| Upper Mount Type | Loop Bushing Mount - 11/16" Bushing ID X 1.9/16" Bushing OAL |
| Upper Mount Code | L2 |
| Part Description | Shock Absorber |
Fits: 1960-1974 Dodge models including P300 Van. Confirm your year, make, model, and engine before ordering.
Interchanges With: International AMS660123, Mor/Ryd U0109007, Neway 57366858, Strut-Mate 4030, Chrysler 1653453, Chrysler 2225864, Strut-Mate 601123, Mack 600123 and 36 more
