Restore the original ride control, stability, and handling of your Honda Civic with the KYB Excel-G Suspension Strut 339390, a nitrogen gas-charged, twin-tube gas strut. It installs in the front-left position as a direct-fit replacement for the 2013-2015 Honda Civic (see the Buyer's Guide tab for engine-level applications). KYB engineers the Excel-G to restore a vehicle's original, designed performance rather than change it.
- OEA build: Made on the same KYB OE assembly lines with OE-quality components and calibrated to restore original, designed performance — earning the Original Equipment for the Aftermarket classification.
- Triple-lip fluid seal: Reduces the chance of oil and gas leaking out.
- Strong strut body: KYB uses thick strut bodies and brackets to minimize flex and help maintain correct alignment in all conditions.
- Vehicle-specific valving: Hand-assembled in-house damping valves manage tire contact, steering response, and body movement, helping keep electronic safety systems performing as designed.
Made in USA. A worn strut can show up as excessive bounce, nose dive under braking, or reduced stability during lane changes — if the front-left strut is the cause, this replaces it.
Interchange: 51621TR2B03 · 51621TS8B02 · 51621TS8B32 · 72928
This part cross-references / interchanges with the following part numbers:
Frequently Asked Questions
What vehicle does this strut fit?
It is a direct-fit front-left suspension strut for the 2013-2015 Honda Civic. Check the Buyer's Guide tab for engine-level applications for your vehicle.
What position does this strut install in?
It installs in the front-left position of the listed applications.
What type of strut is the KYB Excel-G?
It is a nitrogen gas-charged, twin-tube gas strut built on KYB OE assembly lines and calibrated to restore the vehicle's original, designed performance.
What is the OEA classification?
OEA stands for Original Equipment for the Aftermarket. KYB earns it by making the Excel-G with OE-quality components calibrated to restore original performance, not change it.
What are signs my strut may need replacing?
Signs can include excessive bouncing, nose dive under braking, or reduced stability during lane changes. Diagnose the cause first; if the front-left strut is at fault, this replaces it.
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