HomeSuspension > Shocks and StrutsKYB KG54312 Suspension Shock Absorber - Rear
Part #: KG54312

KYB KG54312 Suspension Shock Absorber - Rear

Gas-a-just, Rear
⚙️ 40 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Gas-a-just, Rear
🚗Fitment: Ford, F-150 and F-150 Heritage
🔄Easy Returns — Return within 60 days for a full refund
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Overview of KYB Gas-a-just Suspension Shock Absorber KG54312

The KYB Gas-a-just suspension shock absorber KG54312 is engineered for Ford F-150 and F-150 Heritage models. Designed to restore original ride quality, this shock absorber offers precise damping performance tailored to your vehicle's suspension needs.

  • Compressed length: 14.57 inches
  • Extended length: 23.78 inches
  • Stroke length: 9.21 inches
  • Lower mount type: E2(12x38)
  • Upper mount type: S1
  • Includes dust cover for protection
  • R-stop feature included for controlled rebound

About the KYB Gas-a-just Product Line

The Gas-a-just line by KYB is designed to provide consistent gas pressure and improved damping control for trucks and SUVs. This product line focuses on maintaining factory ride characteristics while enhancing handling and stability. The KG54312 shock absorber is part of this line, offering reliable performance specifically calibrated for Ford F-150 and F-150 Heritage vehicles.

Technical Details and Specifications

The KG54312 shock absorber features a compressed length of 14.57 inches and an extended length of 23.78 inches, providing a stroke length of 9.21 inches. It uses an E2(12x38) lower mount and an S1 upper mount, ensuring proper fitment and secure installation. The included dust cover helps protect internal components from dirt and debris, extending the service life of the shock. The R-stop feature controls rebound travel, contributing to improved ride comfort and vehicle control.

Common Applications and Problem Solving

  • Restores suspension performance on Ford F-150 and F-150 Heritage trucks
  • Reduces excessive bouncing and body roll during driving
  • Improves handling and stability on uneven or rough roads
  • Minimizes noise and vibration caused by worn shocks
  • Enhances overall ride comfort and control

Installation Notes and Tips

Ensure compatibility with Ford F-150 or F-150 Heritage models before installation. Verify the lower mount type E2(12x38) and upper mount type S1 match your vehicle’s specifications. The dust cover is included to protect the shock absorber, so inspect it during installation for any damage. Proper torque specifications should be followed to secure the shock absorber safely.

Quality Assurance and Warranty

KYB manufactures the Gas-a-just KG54312 shock absorber to meet or exceed OEM standards. This part is built with durable materials and precision engineering to provide consistent performance. Warranty coverage details should be confirmed with the manufacturer or authorized distributor.

BrandKYB
Part NumberKG54312
PositionGas-a-just, Rear
Compressed Length14.57
Extended Length23.78
Stroke Length9.21
Lower Mount TypeE2(12x38)
Upper Mount TypeS1
Dust Cover IncludedY
Internal Rebound SpringN
B-stopN
R-stopY

This part fits 40 vehicles. Search below:

YearMakeModelSubmodelDrive TypePositionNotes
2004FordF-150 HeritageXLRWDRearMonotube Performance Upgrade; (Exc. 7700 GVW Package); Gas-a-just
2004FordF-150 HeritageXLTRWDRearMonotube Performance Upgrade; (Exc. 7700 GVW Package); Gas-a-just
2004FordF-150 HeritageSVT LightningRearReplace suspension strut and coil spring assembly according to manufacturer's instructions.; Gas-a-just
2003FordF-150LightningRWDRearInstall a monotube shock absorber to enhance performance.; Gas-a-just
2003FordF-150Harley-Davidson EditionRWDRearMonotube Performance Upgrade; (Exc. 7700 GVW Package); Gas-a-just
2003FordF-150King RanchRWDRearMonotube Performance Upgrade; (Exc. 7700 GVW Package); Gas-a-just
2003FordF-150LariatRWDRearMonotube Performance Upgrade; (Exc. 7700 GVW Package); Gas-a-just
2003FordF-150XLRWDRearMonotube Performance Upgrade; (Exc. 7700 GVW Package); Gas-a-just
2003FordF-150XLTRWDRearMonotube Performance Upgrade; (Exc. 7700 GVW Package); Gas-a-just
2002FordF-150LightningRWDRearInstall a monotube shock absorber to enhance performance.; Gas-a-just
2002FordF-150Harley-Davidson EditionRWDRearMonotube Performance Upgrade; (Exc. 7700 GVW Package); Gas-a-just
2002FordF-150King RanchRWDRearMonotube Performance Upgrade; (Exc. 7700 GVW Package); Gas-a-just
2002FordF-150LariatRWDRearMonotube Performance Upgrade; (Exc. 7700 GVW Package); Gas-a-just
2002FordF-150XLRWDRearMonotube Performance Upgrade; (Exc. 7700 GVW Package); Gas-a-just
2002FordF-150XLTRWDRearMonotube Performance Upgrade; (Exc. 7700 GVW Package); Gas-a-just
2001FordF-150LightningRWDRearInstall a monotube shock absorber to enhance performance.; Gas-a-just
2001FordF-150Harley-Davidson EditionRWDRearMonotube Performance Upgrade; (Exc. 7700 GVW Package); Gas-a-just
2001FordF-150King RanchRWDRearMonotube Performance Upgrade; (Exc. 7700 GVW Package); Gas-a-just
2001FordF-150LariatRWDRearMonotube Performance Upgrade; (Exc. 7700 GVW Package); Gas-a-just
2001FordF-150XLRWDRearMonotube Performance Upgrade; (Exc. 7700 GVW Package); Gas-a-just
2001FordF-150XLTRWDRearMonotube Performance Upgrade; (Exc. 7700 GVW Package); Gas-a-just
2000FordF-150LightningRWDRearInstall a monotube shock absorber to enhance performance.; Gas-a-just
2000FordF-150BaseRWDRearMonotube Performance Upgrade; (Exc. 7700 GVW Package); Gas-a-just
2000FordF-150Harley-Davidson EditionRWDRearMonotube Performance Upgrade; (Exc. 7700 GVW Package); Gas-a-just
2000FordF-150LariatRWDRearMonotube Performance Upgrade; (Exc. 7700 GVW Package); Gas-a-just
2000FordF-150XLRWDRearMonotube Performance Upgrade; (Exc. 7700 GVW Package); Gas-a-just
2000FordF-150XLTRWDRearMonotube Performance Upgrade; (Exc. 7700 GVW Package); Gas-a-just
1999FordF-150LightningRWDRearInstall a monotube shock absorber to enhance performance.; Gas-a-just
1999FordF-150BaseRWDRearMonotube Performance Upgrade; (Exc. 7700 GVW Package); Gas-a-just
1999FordF-150LariatRWDRearMonotube Performance Upgrade; (Exc. 7700 GVW Package); Gas-a-just
1999FordF-150XLRWDRearMonotube Performance Upgrade; (Exc. 7700 GVW Package); Gas-a-just
1999FordF-150XLTRWDRearMonotube Performance Upgrade; (Exc. 7700 GVW Package); Gas-a-just
1998FordF-150BaseRWDRearMonotube Performance Upgrade; (Exc. 7700 GVW Package); Gas-a-just
1998FordF-150LariatRWDRearMonotube Performance Upgrade; (Exc. 7700 GVW Package); Gas-a-just
1998FordF-150XLRWDRearMonotube Performance Upgrade; (Exc. 7700 GVW Package); Gas-a-just
1998FordF-150XLTRWDRearMonotube Performance Upgrade; (Exc. 7700 GVW Package); Gas-a-just
1997FordF-150BaseRWDRearMonotube Performance Upgrade; (Exc. 7700 GVW Package); Gas-a-just
1997FordF-150LariatRWDRearMonotube Performance Upgrade; (Exc. 7700 GVW Package); Gas-a-just
1997FordF-150XLRWDRearMonotube Performance Upgrade; (Exc. 7700 GVW Package); Gas-a-just
1997FordF-150XLTRWDRearMonotube Performance Upgrade; (Exc. 7700 GVW Package); 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:

77778

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