Keep your ride under control with the KYB Suspension Strut 340055, a nitrogen gas-charged, twin-tube Excel-G unit for the front-left corner of the 2009-2014 Acura TL. Built on KYB's OE assembly lines from OE-quality components, the Excel-G is calibrated to restore the vehicle's original, designed damping — not change it — which earns it KYB's OEA (Original Equipment for the Aftermarket) classification.
Restores original control: Ride comfort matters, but the Excel-G is engineered to help restore ride control, stability, stopping, lane-change responsiveness, and handling on your Acura TL.
Triple-lip fluid seal: Reduces the chance of oil and gas leaking out for consistent damping.
Vehicle-specific valving: Hand-assembled, in-house damping valves are tuned to manage tire contact, steering response, and body movement.
Strong strut body: KYB uses thick strut bodies and brackets that minimize flex to help maintain correct alignment. Because electronic safety systems rely on the suspension, brakes, and tires working as the manufacturer intended, the Excel-G helps keep those systems performing as designed. Sold individually; if the opposite-side strut is worn, replacing both front struts together promotes balanced handling.
Interchange: 51621TK4A02 · 51621TK4A03 · 51621TK5A03 · 72694
This part cross-references / interchanges with the following part numbers:
Frequently Asked Questions
What vehicle does this KYB 340055 strut fit?
It is a front-left suspension strut for the 2009-2014 Acura TL. Check the Buyer's Guide tab to confirm the correct application for your vehicle.
What position is this strut for?
Per the catalog, it is the front-left (driver's side) strut. Order the matching right-side unit separately if you need to replace both corners.
What type of strut is this?
It is a KYB Excel-G, a nitrogen gas-charged, twin-tube design built on KYB's OE assembly lines with OE-quality components.
Should I replace both front struts at once?
It is sold individually, but replacing both front struts together as a pair is recommended for even, balanced handling.
What are signs this strut may need replacing?
Common signs include excessive bouncing, nose-dive under braking, reduced stability, uneven tire wear, or fluid leaking from the strut body.
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