HomeSuspension > Shocks and StrutsKYB KG4163 Shock Absorber - Rear
Part #: KG4163

KYB KG4163 Shock Absorber - Rear

Gas-a-just, Rear
⚙️ 11 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: Nissan and INFINITI, Pathfinder and QX4
🔄Easy Returns — Return within 60 days for a full refund
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Overview of KYB Gas-a-just Suspension Shock Absorber KG4163

The KYB Gas-a-just shock absorber KG4163 is designed specifically for Nissan Pathfinder and Infiniti QX4 models. This suspension shock absorber offers precise damping control to maintain vehicle stability and ride comfort under various driving conditions.

  • Compressed length: 15.24 inches
  • Extended length: 23.7 inches
  • Stroke length: 8.46 inches
  • Lower mount type: E2 (16x42)
  • Upper mount type: E2 (12x42)
  • Includes dust cover for protection
  • R-stop feature included for rebound control
  • No internal rebound spring or B-stop

Detailed Product Description

The KYB Gas-a-just KG4163 shock absorber is engineered to provide consistent damping performance for the Nissan Pathfinder and Infiniti QX4. With a compressed length of 15.24 inches and an extended length of 23.7 inches, this shock absorber offers an 8.46-inch stroke length to accommodate suspension travel effectively. The E2 lower and upper mount types ensure proper fitment and secure installation. The included dust cover helps protect the shock from dirt and debris, extending its service life. The R-stop feature enhances rebound control, improving vehicle handling and stability during driving.

The Gas-a-just product line by KYB is known for its gas-charged design, which reduces aeration and foaming inside the shock absorber. This technology helps maintain consistent damping force, contributing to improved ride quality and vehicle control. The KG4163 model is part of this line, providing reliable performance tailored to the suspension needs of Nissan Pathfinder and Infiniti QX4 vehicles.

Common Applications and Problem Solving

  • Reduces excessive bouncing and body roll
  • Improves handling on uneven or rough roads
  • Restores suspension performance after wear or damage
  • Minimizes noise and vibration from worn shocks
  • Enhances vehicle stability during cornering and braking

Installation Notes and Tips

  • Verify compatibility with Nissan Pathfinder or Infiniti QX4 before installation
  • Inspect mounting points for wear or damage prior to installation
  • Use proper tools to avoid damage to mounts and shock body
  • Follow vehicle manufacturer torque specifications for mounting hardware
  • Replace shocks in pairs for balanced suspension performance

Quality Assurance and Warranty

KYB manufactures the Gas-a-just KG4163 shock absorber to meet or exceed OEM specifications for durability and performance. This part includes a dust cover to protect internal components and features a gas-charged design to maintain consistent damping. While specific warranty details may vary, KYB typically offers coverage against defects in materials and workmanship. Refer to KYB’s official warranty policy for complete information.

BrandKYB
Part NumberKG4163
PositionGas-a-just, Rear
Compressed Length15.24
Dust Cover IncludedY
Extended Length23.7
Lower Mount TypeE2(16X42)
R-stopY
Stroke Length8.46
Upper Mount TypeE2(12X42)

This part fits 11 vehicles. Search below:

YearMakeModelPositionNotes
2004NissanPathfinderRearInstall a monotube shock absorber to enhance performance.; Gas-a-just
2003INFINITIQX4RearInstall a monotube shock absorber to enhance performance.; Gas-a-just
2003NissanPathfinderRearInstall a monotube shock absorber to enhance performance.; Gas-a-just
2002INFINITIQX4RearInstall a monotube shock absorber to enhance performance.; Gas-a-just
2002NissanPathfinderRearInstall a monotube shock absorber to enhance performance.; Gas-a-just
2001INFINITIQX4RearInstall a monotube shock absorber to enhance performance.; Gas-a-just
2001NissanPathfinderRearInstall a monotube shock absorber to enhance performance.; Gas-a-just
2000INFINITIQX4RearInstall a monotube shock absorber to enhance performance.; Gas-a-just
2000NissanPathfinderRearInstall a monotube shock absorber to enhance performance.; Gas-a-just
1999INFINITIQX4RearMonotube Performance Upgrade; From 12/1998; Gas-a-just
1999NissanPathfinderRearMonotube Performance Upgrade; From 12/1998; 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:

G63845

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