Restore the designed ride control, stability, and handling of your 2013-2018 Acura RDX with the KYB Excel-G Suspension Strut 3340165, a nitrogen gas-charged, twin-tube gas strut built for the front left corner. Excel-G is engineered to restore the vehicle's original capabilities — it's made on the same KYB OE assembly lines using OE-quality components and is calibrated to bring back the factory-designed performance, not change it, earning it the OEA (Original Equipment for the Aftermarket) classification.
- Strong, thick body & brackets: KYB uses some of the strongest, thickest strut bodies and brackets in the industry, minimizing flex to help maintain correct alignment in all conditions.
- Triple-lip fluid seal: reduces the chance of oil and gas leaking out.
- Vehicle-specific damping valves: hand-assembled in-house to correctly manage tire contact, steering response, and body movement.
- Supports safety systems: helps keep Electronic Safety Systems performing as designed by keeping the suspension operating as the manufacturer intended.
The Excel-G is the #1 recommended Original Equipment replacement choice for Asian SUVs and crossovers and is a preferred pick among professional technicians. Worn struts can show up as excess bounce, poor handling, or reduced stability — if the front left strut is the cause, this replaces it.
Interchange: 51621TX4A01 · 51621TX4A12
This part cross-references / interchanges with the following part numbers:
Frequently Asked Questions
What vehicle does this KYB strut fit?
It's a direct-fit replacement for the 2013-2018 Acura RDX. See the Buyer's Guide tab to confirm the correct application for your vehicle.
What position on the vehicle is this strut for?
This strut is cataloged for the front left position.
What type of strut is the KYB Excel-G 3340165?
It's a nitrogen gas-charged, twin-tube gas strut made on KYB's OE assembly lines and classified as OEA (Original Equipment for the Aftermarket).
What are signs my strut may need replacing?
Common signs include excess bouncing, reduced stability, poor lane-change response, or oil leaking from the strut. Have the cause diagnosed before replacing.
Should I replace struts in pairs?
This listing is for one strut. Replacing struts as a matched pair on the same axle is recommended for balanced, even handling.
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