HomeSuspension > Shocks and StrutsKYB KG5439 Shock Absorber - Front or Rear
Part #: KG5439

KYB KG5439 Shock Absorber - Front or Rear

Gas-a-just, Front
34 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Gas-a-just, Front
Fitment: Ford, Bronco, F-150, and P-400
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Overview of KYB Gas-a-just Suspension Shock Absorber KG5439

The KYB Gas-a-just suspension shock absorber KG5439 is engineered for Ford Bronco and F-150 models, providing reliable damping performance. Designed to restore vehicle stability and control, this shock absorber features precise dimensions and mounting types tailored for these trucks.

  • Compressed length: 11.61 inches
  • Extended length: 18.7 inches
  • Stroke length: 7.09 inches
  • Lower mount type: E1
  • Upper mount type: S1
  • Includes dust cover for protection
  • No internal rebound spring
  • No B-stop or R-stop features

About the KYB Gas-a-just Product Line

The Gas-a-just line from KYB is designed to provide consistent gas-charged damping for improved ride quality and handling. This product line focuses on delivering a balance between comfort and control, making it suitable for vehicles like the Ford Bronco and F-150 that require dependable suspension components for both daily driving and moderate off-road use.

Detailed Product Description

The KG5439 shock absorber from KYB’s Gas-a-just series offers a compressed length of 11.61 inches and an extended length of 18.7 inches, with a stroke length of 7.09 inches. It features an E1 lower mount and an S1 upper mount, ensuring proper fitment and secure installation on compatible Ford Bronco and F-150 models. The included dust cover helps protect the shock shaft from dirt and debris, extending the service life of the component. This shock absorber does not include an internal rebound spring or bump stops (B-stop or R-stop), which is typical for this design and intended application.

Common Applications and Problem Solving

  • Restores vehicle stability and handling on Ford Bronco and F-150 models
  • Reduces excessive bouncing and body roll during driving
  • Improves ride comfort over uneven or rough terrain
  • Replaces worn or leaking factory shock absorbers
  • Helps maintain proper tire contact with the road surface

Installation Notes and Tips

  • Verify compatibility with your specific Ford Bronco or F-150 model year before installation
  • Use proper tools to remove old shocks and install the KG5439 unit securely
  • Inspect mounting points and hardware for wear or damage during replacement
  • Ensure dust cover is properly positioned to protect the shock shaft
  • Follow vehicle manufacturer torque specifications for mounting bolts

Quality Assurance and Warranty

KYB manufactures the Gas-a-just KG5439 shock absorber to meet OEM standards for durability and performance. The product is backed by KYB’s quality control processes to ensure consistent function and fitment. Warranty details should be confirmed with the distributor or retailer, as coverage may vary.

BrandKYB
Part NumberKG5439
PositionGas-a-just, Front
Compressed Length11.61
Dust Cover IncludedY
Extended Length18.7
Lower Mount TypeE1
Stroke Length7.09
Upper Mount TypeS1

This part fits 34 vehicles. Search below:

YearMakeModelDrive TypePositionNotes
1996FordBroncoFrontMonotube Performance Upgrade; Quad Shock Option - Frontward Mounting of the Front Axle; Gas-a-just
1996FordF-1504WDFrontMonotube Performance Upgrade; Quad Shock Option - Frontward Mounting of the Front Axle; Gas-a-just
1995FordBroncoFrontMonotube Performance Upgrade; Quad Shock Option - Frontward Mounting of the Front Axle; Gas-a-just
1995FordF-1504WDFrontMonotube Performance Upgrade; Quad Shock Option - Frontward Mounting of the Front Axle; Gas-a-just
1994FordBroncoFrontMonotube Performance Upgrade; Quad Shock Option - Frontward Mounting of the Front Axle; Gas-a-just
1994FordF-1504WDFrontMonotube Performance Upgrade; Quad Shock Option - Frontward Mounting of the Front Axle; Gas-a-just
1993FordBroncoFrontMonotube Performance Upgrade; Quad Shock Option - Frontward Mounting of the Front Axle; Gas-a-just
1993FordF-1504WDFrontMonotube Performance Upgrade; Quad Shock Option - Frontward Mounting of the Front Axle; Gas-a-just
1992FordBroncoFrontMonotube Performance Upgrade; Quad Shock Option - Frontward Mounting of the Front Axle; Gas-a-just
1992FordF-1504WDFrontMonotube Performance Upgrade; Quad Shock Option - Frontward Mounting of the Front Axle; Gas-a-just
1991FordBroncoFrontMonotube Performance Upgrade; Quad Shock Option - Frontward Mounting of the Front Axle; Gas-a-just
1991FordF-1504WDFrontMonotube Performance Upgrade; Quad Shock Option - Frontward Mounting of the Front Axle; Gas-a-just
1990FordBroncoFrontMonotube Performance Upgrade; Quad Shock Option - Frontward Mounting of the Front Axle; Gas-a-just
1990FordF-1504WDFrontMonotube Performance Upgrade; Quad Shock Option - Frontward Mounting of the Front Axle; Gas-a-just
1989FordBroncoFrontMonotube Performance Upgrade; Quad Shock Option - Frontward Mounting of the Front Axle; Gas-a-just
1989FordF-1504WDFrontMonotube Performance Upgrade; Quad Shock Option - Frontward Mounting of the Front Axle; Gas-a-just
1988FordBroncoFrontMonotube Performance Upgrade; Quad Shock Option - Frontward Mounting of the Front Axle; Gas-a-just
1988FordF-1504WDFrontMonotube Performance Upgrade; Quad Shock Option - Frontward Mounting of the Front Axle; Gas-a-just
1987FordBroncoFrontMonotube Performance Upgrade; Quad Shock Option - Frontward Mounting of the Front Axle; Gas-a-just
1987FordF-1504WDFrontMonotube Performance Upgrade; Quad Shock Option - Frontward Mounting of the Front Axle; Gas-a-just
1986FordBroncoFrontMonotube Performance Upgrade; Quad Shock Option - Frontward Mounting of the Front Axle; Gas-a-just
1986FordF-1504WDFrontMonotube Performance Upgrade; Quad Shock Option - Frontward Mounting of the Front Axle; Gas-a-just
1985FordBroncoFrontMonotube Performance Upgrade; Quad Shock Option - Frontward Mounting of the Front Axle; Gas-a-just
1985FordF-1504WDFrontMonotube Performance Upgrade; Quad Shock Option - Frontward Mounting of the Front Axle; Gas-a-just
1984FordBroncoFrontMonotube Performance Upgrade; Quad Shock Option - Frontward Mounting of the Front Axle; Gas-a-just
1984FordF-1504WDFrontMonotube Performance Upgrade; Quad Shock Option - Frontward Mounting of the Front Axle; Gas-a-just
1983FordBroncoFrontMonotube Performance Upgrade; Quad Shock Option - Frontward Mounting of the Front Axle; Gas-a-just
1983FordF-1504WDFrontMonotube Performance Upgrade; Quad Shock Option - Frontward Mounting of the Front Axle; Gas-a-just
1982FordBroncoFrontMonotube Performance Upgrade; Quad Shock Option - Frontward Mounting of the Front Axle; Gas-a-just
1982FordF-1504WDFrontMonotube Performance Upgrade; Quad Shock Option - Frontward Mounting of the Front Axle; Gas-a-just
1981FordBroncoFrontMonotube Performance Upgrade; Quad Shock Option - Frontward Mounting of the Front Axle; Gas-a-just
1981FordF-1504WDFrontMonotube Performance Upgrade; Quad Shock Option - Frontward Mounting of the Front Axle; Gas-a-just
1980FordBroncoFrontMonotube Performance Upgrade; Quad Shock Option - Frontward Mounting of the Front Axle; Gas-a-just
1980FordF-1504WDFrontMonotube Performance Upgrade; Quad Shock Option - Frontward Mounting of the Front Axle; Gas-a-just

* 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:

77410

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