HomeSuspension > Shocks and StrutsKYB 339404 Suspension Strut - Front Right
Part #: RO-29

KYB 339404 Suspension Strut - Front Right

Excel-G
4 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
Excel-G
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Overview of KYB Excel-G Suspension Strut for Mazda 6

The KYB Excel-G Suspension Strut 339404 is engineered specifically for Mazda 6 models, providing reliable suspension performance. Designed to restore original handling and control, this strut offers precise fitment and consistent operation for your vehicle.

  • Compressed length: 14.6 inches
  • Extended length: 21.14 inches
  • Stroke length: 6.54 inches
  • Upper mount type: 12x1.25
  • Rear stop (R-stop) included
  • No dust cover or internal rebound spring included

Details on KYB Excel-G Product Line

The Excel-G line from KYB focuses on delivering struts and shocks that meet or exceed original equipment specifications. This product line is designed to provide a balance of comfort and control, restoring the handling characteristics of your Mazda 6. The Excel-G struts are engineered for durability and consistent performance under normal driving conditions.

Technical Description of Part Number 339404

This KYB Excel-G suspension strut features a compressed length of 14.6 inches and an extended length of 21.14 inches, with a stroke length of 6.54 inches, ensuring proper suspension travel for the Mazda 6. The upper mount type is 12x1.25, which matches the factory mounting specifications. The strut includes a rear stop (R-stop) to help control suspension movement but does not come with a dust cover or internal rebound spring, which is consistent with the original equipment design.

Common Applications and Issues Addressed

  • Restores factory suspension height and travel on Mazda 6 vehicles
  • Improves handling and ride comfort by replacing worn or damaged struts
  • Reduces excessive body roll and sway during cornering
  • Eliminates noise and vibration caused by failing suspension components
  • Helps maintain proper tire contact and wear patterns

Installation Notes and Tips

When installing the KYB Excel-G strut 339404 on a Mazda 6, ensure the upper mount type 12x1.25 is compatible with your vehicle’s mounting hardware. Since this strut does not include a dust cover or internal rebound spring, inspect existing components for wear and replace if necessary. Proper torque specifications should be followed to maintain suspension integrity and safety. It is recommended to have a professional alignment performed after installation to optimize handling and tire life.

Quality Assurance and Warranty

KYB Excel-G struts are manufactured to meet strict quality standards and are designed to match original equipment performance. While specific warranty details for part number 339404 may vary, KYB typically offers a limited warranty covering defects in materials and workmanship. Refer to KYB’s official documentation for exact warranty terms applicable to this suspension strut.

BrandATP Parts
Part NumberRO-29
PositionExcel-G
LineCodeATP

This part fits 4 vehicles. Search below:

YearMakeModelPositionNotes
2017Mazda6Front RightReplace suspension strut and coil spring assembly according to manufacturer's instructions.; Excel-G
2016Mazda6Front RightReplace suspension strut and coil spring assembly according to manufacturer's instructions.; Excel-G
2015Mazda6Front RightReplace suspension strut and coil spring assembly according to manufacturer's instructions.; Excel-G
2014Mazda6Front RightReplace suspension strut and coil spring assembly according to manufacturer's instructions.; Excel-G

* 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:

117513907139441473122384046201F57074A90311380409031138043ML30RT7001SL35

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