Monroe 66414 Shock Absorber - Rear
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Monroe
 Magnum Shock Absorber

Monroe 66414 Shock Absorber - Rear

Brand Monroe 66414
Position Rear
Compressed Bumper Stop No
Compressed Length 12.9219
Dust Shield Yes
Dust Shield Material Metal
Extended Bumper Stop No
Extended Hydraulic Lockout No
Extended Length 20.625
Lower Mounting Code LS47
Lower Mounting Type Loop Bushing & Sleeve Mount - 9/16" Sleeve ID X 1.5/8" Sleeve OAL
Parts Pack None
Travel Length 7.703
Upper Mounting Code LS47
Upper Mounting Type Loop Bushing & Sleeve Mount - 9/16" Sleeve ID X 1.5/8" Sleeve OAL
Product line Magnum Shock Absorber
Fits Mercedes-Benz, Freightliner, and Dodge · 31 vehicles

Gas-charged response. Delivers quicker shock response and a stable, more comfortable ride.

Metal dust shield. Helps protect the shock absorber from road debris and wear.

Magnum shock absorber. Built for hard-working suspension service with reduced vibration.

Cross-references KYB 349044, 5001336 and 12130415 for the same application. See all 7.

$65.47Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
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Step 2 — Quantity
Shock Absorbers are typically replaced in pairs, axle by axle.
Order total $65.47
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.
Not what you need? See all Shock Absorber options

Monroe Magnum Shock Absorber 66414 for Rear Suspension

The Monroe Magnum Shock Absorber 66414 is a gas-charged rear shock built for class 3-6 vehicles that need consistent damping and a steadier ride. For Mercedes-Benz Sprinter 3500, Sprinter 3500XD, and Dodge Sprinter rear applications, this Monroe Magnum shock absorber is aimed at reducing vibration and supporting more even tire wear.

Key Features

  • Gas-charged design for quicker shock response
  • Rear suspension shock absorber for class 3-6 vehicles
  • Metal dust shield included for added protection
  • Loop bushing and sleeve upper and lower mounts
  • Extended length: 20.625 in; compressed length: 12.9219 in
  • Travel length: 7.703 in
  • Monroe Magnum Shock Absorber line for heavy-duty service

Product Details

Monroe Magnum Shock Absorber 66414 is engineered for rear suspension use on heavy-duty vans and commercial platforms. The gas-charged construction supports faster response over changing road surfaces, while the metal dust shield helps protect the shock body from debris. This part uses LS47 upper and lower loop bushing and sleeve mounts with a 9/16 in sleeve ID and 1.5/8 in sleeve OAL, making it a direct-fit rear shock option for confirmed applications.

This part cross-references KYB 349044 for the same application. It is also associated with Mercedes-Benz Sprinter rear shock replacement needs and Dodge Sprinter rear suspension service, including the Monroe 66414 part number for catalog matching.

Common Problems It Can Address

  • Excessive rear-end vibration on rough roads
  • Reduced ride control from worn shock absorbers
  • Uneven tire wear linked to weak damping
  • Excessive body movement in loaded commercial use
  • Increased downtime from rear suspension wear

Installation Notes

Compatible With 2019-2024 Mercedes-Benz Sprinter 3500XD, rear; 2010-2020 Mercedes-Benz Sprinter 3500, rear; 2010-2017 Mercedes-Benz Sprinter, rear; 2007-2009 Dodge Sprinter 2500, rear with Dual Rear Wheels (DRW); and 2007-2009 Dodge Sprinter 3500, rear with Dual Rear Wheels (DRW). Verify rear mounting style, sleeve dimensions, and shock length before installation. The Monroe 66414 rear shock absorber is specified for applications with a 1.38 in bore noted in the fitment data.

Quality Assurance

Monroe Magnum shocks are built for commercial-duty suspension service and are backed by Monroe engineering for heavy-use applications. The Magnum Shock Absorber line is positioned for stable ride control and reduced vibration in demanding rear suspension environments.

Related reading

This part fits 31 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelDrive TypePositionNotes
2024Mercedes-BenzSprinter 3500XDRWDRearMagnum Shock Absorber
2023Mercedes-BenzSprinter 3500XDRWDRearMagnum Shock Absorber
2022Mercedes-BenzSprinter 3500XDRWDRearMagnum Shock Absorber
2021Mercedes-BenzSprinter 3500XDRWDRearMagnum Shock Absorber
2020Mercedes-BenzSprinter 3500RWDRearMagnum Shock Absorber
2020Mercedes-BenzSprinter 3500XDRWDRearMagnum Shock Absorber
2019Mercedes-BenzSprinter 3500RWDRearMagnum Shock Absorber
2019Mercedes-BenzSprinter 3500XDRWDRearMagnum Shock Absorber
2018Mercedes-BenzSprinter 3500RWDRearMagnum Shock Absorber
2017Mercedes-BenzSprinter—RearShocks are 1.38 (in) Bore; Magnum Shock Absorber
2017Mercedes-BenzSprinter 3500RWDRearMagnum Shock Absorber
2016Mercedes-BenzSprinter—RearShocks are 1.38 (in) Bore; Magnum Shock Absorber
2016Mercedes-BenzSprinter 3500RWDRearMagnum Shock Absorber
2015Mercedes-BenzSprinter—RearShocks are 1.38 (in) Bore; Magnum Shock Absorber
2015Mercedes-BenzSprinter 3500RWDRearMagnum Shock Absorber
2014Mercedes-BenzSprinter—RearShocks are 1.38 (in) Bore; Magnum Shock Absorber
2014Mercedes-BenzSprinter 3500—RearMagnum Shock Absorber
2013Mercedes-BenzSprinter—RearShocks are 1.38 (in) Bore; Magnum Shock Absorber
2013Mercedes-BenzSprinter 3500—RearMagnum Shock Absorber
2012Mercedes-BenzSprinter—RearShocks are 1.38 (in) Bore; Magnum Shock Absorber
2012Mercedes-BenzSprinter 3500—RearMagnum Shock Absorber
2011Mercedes-BenzSprinter—RearShocks are 1.38 (in) Bore; Magnum Shock Absorber
2011Mercedes-BenzSprinter 3500—RearMagnum Shock Absorber
2010Mercedes-BenzSprinter—RearShocks are 1.38 (in) Bore; Magnum Shock Absorber
2010Mercedes-BenzSprinter 3500—RearMagnum Shock Absorber
2009DodgeSprinter 2500—Rearwith Dual Rear Wheels (DRW); Shocks are 1.38 (in) Bore; Magnum Shock Absorber
2009DodgeSprinter 3500—Rearwith Dual Rear Wheels (DRW); Shocks are 1.38 (in) Bore; Magnum Shock Absorber
2008DodgeSprinter 2500—Rearwith Dual Rear Wheels (DRW); Shocks are 1.38 (in) Bore; Magnum Shock Absorber
2008DodgeSprinter 3500—Rearwith Dual Rear Wheels (DRW); Shocks are 1.38 (in) Bore; Magnum Shock Absorber
2007DodgeSprinter 2500—Rearwith Dual Rear Wheels (DRW); Shocks are 1.38 (in) Bore; Magnum Shock Absorber
2007DodgeSprinter 3500—Rearwith Dual Rear Wheels (DRW); Shocks are 1.38 (in) Bore; Magnum Shock Absorber
Directly replaces or cross-references 7 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
KYB — 34904450013361213041568017248AA90632613009063261400HD12140648