Monroe 66878 Shock Absorber

Part Number
66878
Magnum Shock Absorber

Fits: 60-62 Chevrolet C50, 60-62 Chevrolet C60, 60-61 Chevrolet C70, 68-89 Chevrolet C50, 68-89 Chevrolet C60, 79-89 Chevrolet C70, 80-89 GMC C5000, 80-89 GMC C6000, 80-89 GMC C7000, 81-20 Kenworth W900, 86-08 Kenworth T600A, 87-89 Chevrolet S7, 87-20 Kenworth T800, 93-05 Kenworth K300, 95-08 Kenworth T300, 95-05 Peterbilt 330, 07-20 Peterbilt 330, 07 Peterbilt 220, 08-18 Kenworth T170, 08-15 Peterbilt 210, 08-18 Peterbilt 389, 10 Peterbilt 220, 10-20 Kenworth T400, 10-18 Peterbilt 348, 13-20 Peterbilt 220, 11-18 Peterbilt 337, 11-18 Peterbilt 587, 12-20 Western Star 4700SB, 12-20 Western Star 4700SF, 13-22 Kenworth K270, 13-22 Kenworth K370, 13-20 Kenworth T680, 13-20 Peterbilt 579, 14-20 Kenworth T880, 16-19 Kenworth T370, 17-20 Peterbilt 520

$49.99
In stock
Free Shipping
Free Shipping
Estimated Ship Date: 1 Business Day or Less
The Monroe® Magnum™ shock absorber for class 3-6 Vehicles is 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. The result can be better tire life, less downtime and a lower cost per mile.


BRAND: Monroe Shocks & Struts




FEATURES:


  • 2020-2012 Western Star 4700 Rear, 2018-2012 Western Star 4700SB Rear, 2018-2012 Western Star 4700SF Rear, 1998 Western Star 4842F Front, 1998 Western Star 4842S Front, 1998 Western Star 4864F Front, 1998 Western Star 4864S Front
  • 1-3/8-inch (35 mm) bore: Larger bore than most shocks to provide more efficient and consistent control - on most applications
  • Monroe Shocks & Struts Magnum 66878 Shock Absorber
  • 2-inch (50.8 mm) or 2-1/4-inch (57.2 mm) reserve tube: More fluid for more consistent performance - when required
  • Magnum Shock Absorber
  • .05-inch Pressure tube withstanding pressure of 9KPSI
  • 10-stage valving: Reacts to wide range of driving conditions - on most applications
  • Nitrogen gas-charged: For improved ride and handling, helps maintain tire to road contact by reducing aeration - on most applications
  • Magnum Shock Absorber
  • Loop welding technique: Resistance weld with additional 360-degree weld provide up to 13,100 lbs. (6,395 kg) tensile strength for maximum durability - when required
  • PTFE coated bearing: Reduces friction during operation between the rod and rod guide, improving durability - on most applications
  • 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
  • Tenneco shouldered bushings: Shouldered bushing and bonded bushing with sleeve designs prevent (bushing walkout) for improved quality and durability - on most applications


SPECIFICS:


Compressed Bumper StopNo
Compressed Length14.5625
Dust ShieldYes
Dust Shield IncludedYes
Dust Shield MaterialMetal
Extended Bumper StopNo
Extended Hydraulic LockoutNo
Extended Length23.9063
Lower Mounting CodeLS54
Lower Mounting DescriptionLoop Bushing & Sleeve Mount - 3/4" Sleeve ID X 1.3/4" Sleeve OAL
Parts PackNone
Travel Length9.3430
Upper Mounting CodeLS54
Upper Mounting DescriptionLoop Bushing & Sleeve Mount - 3/4" Sleeve ID X 1.3/4" Sleeve OAL



DOWNLOADS:




INTERCHANGE:


  • General Motors: 5549599
  • Chevrolet: 5534401
  • General Motors: 5534427
  • General Motors: 3919910
  • PAI Industries: HSA5080
  • General Motors: 5552115
  • Kenworth: 5533699
  • General Motors: 4940653
  • Gabriel: 83321
  • General Motors: 22012096
  • Mack: 660157MT
  • Mack: 14QK2100
  • Monroe Vintage: 600157
  • Chevrolet: 4975510
  • General Motors: 4975510
  • Sachs: 316320
  • Chevrolet: 5398598
  • VOLVO / WHITE / GMC: 3919910
  • Mack: 14QK2100P1
  • General Motors: 5534401
  • General Motors: 22012169
  • Chevrolet: 3919910
  • OEM: 1672501
  • Fruehauf: UEY11241
  • Neway: 57366878
  • Chevrolet: 5534427
  • Monroe Vintage: 601157
  • General Motors: 4790218
  • ACDelco: 55077
  • KYB: KG6002A
  • Neway: OE10219
  • Motorcraft: CAX878
  • Reyco Granning: 1672501
  • Chevrolet: 5552115
  • General Motors: 3192891
  • International: AMS660157
  • Koni: 881422
  • Monroe Vintage: OE10219
  • Western Star: 373013412
  • Monroe Vintage: 661157
  • Chevrolet: 3192891
  • Monroe Vintage: 6878
  • General Motors: 22012196
  • General Motors: 5398598
  • Mack: 600157MT
  • Mack: 25621798
  • Chevrolet: 22012169
  • Gabriel: 83221
  • Fruehauf: UEY1124001
  • Neway: 57306878
  • Monroe Vintage: 660157
  • Chevrolet: 22012096
  • General Motors: 3192892
  • International: AMS600157
  • Chevrolet: 22012196
  • Chevrolet: 3192892
  • Chevrolet: 5549599
  • Chevrolet: 4790218
  • Kenworth: 1672501
  • Chevrolet: 4940653
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