HomeSuspension > Shocks and StrutsKYB 551104 Suspension Strut - Front
Part #: 551104

KYB 551104 Suspension Strut - Front

Gas-a-just, Front
32 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$113.22Free Shipping
Free ShippingNo Cost to Continental U.S.
Free Returns*Wrong fit? No cost
60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
Gas-a-just, Front
Fitment: Toyota, Tacoma, 4Runner, and FJ Cruiser
Easy Returns — Return within 60 days for a full refund
Fast Shipping — Most orders ship same business day before 1pm CST

Overview of KYB Gas-a-just Suspension Strut 551104

The KYB Gas-a-just suspension strut 551104 is engineered for Toyota 4Runner, FJ Cruiser, and Tacoma models. Designed to restore original handling and control, this strut offers precise damping performance tailored to these vehicles.

  • Compressed length: 16.89 inches
  • Extended length: 21.73 inches
  • Stroke length: 4.84 inches
  • Lower mount type: E2(14x40)
  • Upper mount type: S1(12mm)
  • Includes dust cover for protection
  • R-stop included for rebound control
  • No internal rebound spring or B-stop

About the KYB Gas-a-just Product Line

The Gas-a-just line from KYB focuses on gas-charged struts that provide consistent damping and improved ride quality. This product line is designed to meet or exceed OEM specifications, ensuring reliable performance and durability. The 551104 strut benefits from this technology, offering enhanced control for Toyota 4Runner, FJ Cruiser, and Tacoma vehicles.

Detailed Product Description

The KYB Gas-a-just suspension strut 551104 features a compressed length of 16.89 inches and an extended length of 21.73 inches, with a stroke length of 4.84 inches. The lower mount uses an E2(14x40) configuration, while the upper mount is S1(12mm), ensuring proper fitment and secure installation. A dust cover is included to protect the internal components from dirt and debris, extending the strut's service life. The strut incorporates an R-stop to control rebound travel, but does not include an internal rebound spring or B-stop, which aligns with the original equipment design for these Toyota models.

Common Applications and Problem Solving

  • Restores suspension performance on Toyota 4Runner, FJ Cruiser, and Tacoma
  • Addresses excessive bouncing or poor ride quality
  • Reduces bottoming out and harsh impacts
  • Improves vehicle stability during cornering and braking
  • Replaces worn or leaking OEM struts

Installation Notes and Tips

  • Verify compatibility with Toyota 4Runner, FJ Cruiser, or Tacoma before installation
  • Use proper tools to avoid damage to mounts and bushings
  • Inspect related suspension components during replacement
  • Follow torque specifications for upper and lower mounts
  • Consider professional alignment after installation

Quality Assurance and Warranty

KYB Gas-a-just struts are manufactured to meet OEM standards, ensuring consistent performance and durability. The inclusion of a dust cover helps protect internal components from contaminants. While specific warranty details for part number 551104 should be confirmed with the supplier, KYB typically offers limited warranties covering defects in materials and workmanship.

BrandKYB
Part Number551104
PositionGas-a-just, Front
Compressed Length16.89
Dust Cover IncludedY
Extended Length21.73
Lower Mount TypeE2(14X40)
R-stopY
Stroke Length4.84
Upper Mount TypeS1(12MM)

This part fits 32 vehicles. Search below:

YearMakeModelSubmodelDrive TypePositionNotes
2015ToyotaTacomaPre RunnerRWDFrontInstall a monotube shock absorber to enhance performance.; Gas-a-just
2015ToyotaTacoma4WDFrontInstall a monotube shock absorber to enhance performance.; Gas-a-just
2014ToyotaTacomaPre RunnerRWDFrontInstall a monotube shock absorber to enhance performance.; Gas-a-just
2014ToyotaTacoma4WDFrontInstall a monotube shock absorber to enhance performance.; Gas-a-just
2013ToyotaTacomaPre RunnerRWDFrontInstall a monotube shock absorber to enhance performance.; Gas-a-just
2013ToyotaTacoma4WDFrontInstall a monotube shock absorber to enhance performance.; Gas-a-just
2012ToyotaTacomaPre RunnerRWDFrontInstall a monotube shock absorber to enhance performance.; Gas-a-just
2012ToyotaTacoma4WDFrontInstall a monotube shock absorber to enhance performance.; Gas-a-just
2011ToyotaTacomaPre RunnerRWDFrontInstall a monotube shock absorber to enhance performance.; Gas-a-just
2011ToyotaTacoma4WDFrontInstall a monotube shock absorber to enhance performance.; Gas-a-just
2010ToyotaTacomaPre RunnerRWDFrontInstall a monotube shock absorber to enhance performance.; Gas-a-just
2010ToyotaTacoma4WDFrontInstall a monotube shock absorber to enhance performance.; Gas-a-just
2009Toyota4RunnerFrontMonotube Performance Upgrade; Except X-REAS and Adjustable Suspensions; Gas-a-just
2009ToyotaFJ CruiserFrontInstall a monotube shock absorber to enhance performance.; Gas-a-just
2009ToyotaTacomaPre RunnerRWDFrontInstall a monotube shock absorber to enhance performance.; Gas-a-just
2009ToyotaTacoma4WDFrontInstall a monotube shock absorber to enhance performance.; Gas-a-just
2008Toyota4RunnerFrontMonotube Performance Upgrade; Except X-REAS and Adjustable Suspensions; Gas-a-just
2008ToyotaFJ CruiserFrontInstall a monotube shock absorber to enhance performance.; Gas-a-just
2008ToyotaTacomaPre RunnerRWDFrontInstall a monotube shock absorber to enhance performance.; Gas-a-just
2008ToyotaTacoma4WDFrontInstall a monotube shock absorber to enhance performance.; Gas-a-just
2007Toyota4RunnerFrontMonotube Performance Upgrade; Except X-REAS and Adjustable Suspensions; Gas-a-just
2007ToyotaFJ CruiserFrontInstall a monotube shock absorber to enhance performance.; Gas-a-just
2007ToyotaTacomaPre RunnerRWDFrontInstall a monotube shock absorber to enhance performance.; Gas-a-just
2007ToyotaTacoma4WDFrontInstall a monotube shock absorber to enhance performance.; Gas-a-just
2006Toyota4RunnerFrontMonotube Performance Upgrade; Except X-REAS and Adjustable Suspensions; Gas-a-just
2006ToyotaTacomaPre RunnerRWDFrontInstall a monotube shock absorber to enhance performance.; Gas-a-just
2006ToyotaTacoma4WDFrontInstall a monotube shock absorber to enhance performance.; Gas-a-just
2005Toyota4RunnerFrontMonotube Performance Upgrade; Except X-REAS and Adjustable Suspensions; Gas-a-just
2005ToyotaTacomaPre RunnerRWDFrontInstall a monotube shock absorber to enhance performance.; Gas-a-just
2005ToyotaTacoma4WDFrontInstall a monotube shock absorber to enhance performance.; Gas-a-just
2004Toyota4RunnerFrontMonotube Performance Upgrade; Except X-REAS and Adjustable Suspensions; Gas-a-just
2003Toyota4RunnerFrontMonotube Performance Upgrade; Except X-REAS and Adjustable Suspensions; 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:

71371

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