KYB Suspension Strut P/N:339405

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$103.99
MPN: 339405
UPC: 781552737278
Item Package Quantity: 1
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KYB Suspension Strut P/N:339405
KYB Suspension Strut P/N:339405
$103.99

Help restore the designed control and handling of your Mazda 6 with the KYB Excel-G Gas Strut 339405, a nitrogen gas-charged, twin-tube front left suspension strut. It drops in as a direct-fit replacement for the 2014-2017 Mazda 6, and as part of KYB's Excel-G line it's built on the same OE assembly lines with the same OE-quality components, calibrated to restore the vehicle's original, designed performance rather than change it — the classification KYB calls OEA (Original Equipment for the Aftermarket).

  • Nitrogen gas-charged, twin-tube design: includes the quality components found in KYB's global OEM products, and is a preferred choice among professional technicians.
  • 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.
  • Strong, thick strut body and brackets: minimize flex to help maintain correct alignment in all conditions, and help keep Electronic Safety Systems performing as designed.

KYB is the #1 recommended Original Equipment replacement choice for Asian cars. Protect your new strut from dirt, debris and salt with a KYB Strut Boot, part number SB112.

Interchange: GJR934900C · GJR934900D · 72939

This part cross-references / interchanges with the following part numbers:

GJR934900C, GJR934900D, 72939

Frequently Asked Questions

What vehicle does this KYB 339405 strut fit?

It's a direct-fit replacement for the 2014-2017 Mazda 6. Check the Buyer's Guide tab to confirm the exact application for your vehicle.

What position is this strut for?

It is the front left suspension strut. It is sold individually; replacing struts in axle pairs is a good practice for balanced ride and handling.

What type of strut is the KYB Excel-G?

It's a nitrogen gas-charged, twin-tube design built on KYB's OE assembly lines with OE-quality components, calibrated to restore the vehicle's original designed performance.

How does the Excel-G help resist leaks?

It uses a triple-lip fluid seal, which reduces the chance of oil and gas leaking out of the strut.

What interchange numbers does this strut replace?

It cross-references GJR934900C, GJR934900D, and 72939. Match your original part number to confirm the correct replacement.