HomeSuspension > Shocks and StrutsMonroe 66618 Suspension Shock Absorber - Rear
Part #: 66618

Monroe 66618 Suspension Shock Absorber - Rear

Magnum Shock Absorber, Rear
2 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Magnum Shock Absorber, Rear
Fitment: Chevrolet, LCF 3500HG
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Monroe Magnum Shock Absorber 66618 Overview

The Monroe Magnum Shock Absorber 66618 is engineered for reliable suspension performance on Chevrolet LCF 3500HG trucks. Designed to maintain vehicle stability and control, this shock absorber features durable construction and precise fitment for your heavy-duty application.

  • Compressed length: 13.375 inches
  • Travel length: 8.125 inches
  • Extended length: 21.5 inches
  • Metal dust shield included for enhanced protection
  • Loop bushing mounts with 3/4" bushing ID and 1.9/16" bushing OAL on both upper and lower ends
  • No compressed or extended bumper stops
  • Compatible with Chevrolet LCF 3500HG

Magnum Shock Absorber Product Line Details

The Monroe Magnum Shock Absorber line is designed to meet the demands of heavy-duty trucks and commercial vehicles. This product line focuses on durability and consistent damping performance under load, making it suitable for the Chevrolet LCF 3500HG. The Magnum Shock Absorber 66618 provides a balance of travel length and protection with its metal dust shield, ensuring longer service life in rugged conditions.

Technical Specifications and Features

This suspension shock absorber has a compressed length of 13.375 inches and an extended length of 21.5 inches, providing an 8.125-inch travel length to accommodate suspension movement. Both upper and lower mounts use loop bushing mounts with a 3/4" inner diameter and 1.9/16" overall length, ensuring a secure fit. The metal dust shield protects the shock shaft from debris and contaminants, enhancing durability. Notably, this shock absorber does not include compressed or extended bumper stops or an extended hydraulic lockout, focusing on straightforward, reliable damping performance.

Applications and Problem Solving

  • Reduces excessive suspension bounce and improves ride stability on Chevrolet LCF 3500HG
  • Minimizes wear on suspension components by controlling travel length effectively
  • Protects shock absorber shaft from dust and debris with a metal dust shield
  • Maintains proper vehicle height and handling under heavy load conditions
  • Prevents premature failure caused by harsh road conditions and heavy-duty use

Installation Notes and Tips

Ensure the Monroe Magnum Shock Absorber 66618 is installed on the correct side and orientation for the Chevrolet LCF 3500HG. Verify that the loop bushing mounts align properly with the vehicle’s suspension mounting points. No additional bumper stops are required for this part. It is recommended to inspect mounting bushings for wear and replace if necessary to maintain optimal shock absorber performance.

Quality Assurance and Warranty

Monroe manufactures the Magnum Shock Absorber 66618 to meet strict quality standards for heavy-duty suspension components. While specific warranty details are not provided here, Monroe products typically come with a limited warranty against defects in materials and workmanship. For warranty information, consult Monroe’s official documentation or authorized dealers.

BrandMonroe
Part Number66618
PositionMagnum Shock Absorber, Rear
Compressed Length13.375
Travel Length8.125
Dust ShieldYes
Extended Length21.5
65126L3
65127L3
Dust Shield MaterialMetal
Compressed Bumper StopNo
Extended Bumper StopNo
Extended Hydraulic LockoutNo
Lower Mounting TypeLoop bushing mount - 3/4" bushing id x 1.9/16" bushing oal
Parts PackNone
Upper Mounting TypeLoop bushing mount - 3/4" bushing id x 1.9/16" bushing oal

This part fits 2 vehicles. Search below:

YearMakeModelPositionNotes
2025ChevroletLCF 3500HGRearMagnum Shock Absorber
2024ChevroletLCF 3500HGRearMagnum Shock Absorber

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

170262308646C9134560557366618660183660183MT6611838160116818025983159834048516306660897116650089725365108972536640897253665089725366518980980580898098058189809805918983162270898343985089834398609160406940337869516306660971751269725366498343985AMS660183HD12140571KG6198KG6199MG60128

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.