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KYB 340100 Suspension Strut - Front Left
Overview of KYB Excel-G Suspension Strut 340100
The KYB Excel-G Suspension Strut 340100 is engineered for reliable performance and precise fitment on select Infiniti models. Designed to restore original handling and control, this strut is compatible with Infiniti EX35, EX37, and QX50 vehicles, ensuring a tailored suspension upgrade.
- Compressed length: 11.88 inches
- Extended length: 13.83 inches
- Stroke length: 1.95 inches
- Upper mount type: 12x1.25
- Internal rebound spring included
- Right stop (R-stop) feature included
- No dust cover or B-stop included
Detailed Product Features and Specifications
This KYB Excel-G strut (part number 340100) features a compressed length of 11.88 inches and an extended length of 13.83 inches, providing the precise stroke length of 1.95 inches necessary for optimal suspension travel. The upper mount type is specified as 12x1.25, ensuring compatibility with the mounting hardware on Infiniti EX35, EX37, and QX50 models. The strut includes an internal rebound spring, which helps maintain consistent damping performance and vehicle stability. Additionally, the right stop (R-stop) is incorporated to control the strut's extension, while the absence of a dust cover and B-stop indicates a design focused on core suspension functionality without additional protective components.
About the KYB Excel-G Product Line
The Excel-G line by KYB is designed to provide a balance between comfort and control by restoring original equipment ride quality. This product line focuses on delivering reliable damping performance with internal rebound springs to improve handling and reduce body roll. The Excel-G struts are engineered to meet or exceed OEM specifications, making them suitable replacements for factory-installed suspension components on compatible vehicles such as the Infiniti EX35, EX37, and QX50.
Common Applications and Problem Resolution
- Restores factory ride quality and handling characteristics on Infiniti EX35, EX37, and QX50
- Addresses excessive body bounce and poor road control
- Reduces uneven tire wear caused by worn suspension components
- Eliminates noise and vibration from failing struts
- Improves vehicle stability during cornering and braking
Installation Notes and Tips
When installing the KYB Excel-G Suspension Strut 340100, ensure the upper mount type 12x1.25 matches the vehicle’s mounting hardware. It is recommended to replace struts in pairs to maintain balanced suspension performance. Since this strut does not include a dust cover, inspect the vehicle’s existing dust protection and replace if necessary. Proper torque specifications should be followed to secure the strut assembly, and alignment should be checked after installation to ensure optimal handling.
Quality Assurance and Warranty
KYB manufactures the Excel-G strut line to meet stringent quality standards, ensuring durability and consistent performance. The internal rebound spring design contributes to long-lasting damping efficiency. While specific warranty details for part number 340100 should be confirmed with the supplier, KYB typically offers limited warranties covering defects in materials and workmanship for their suspension components.
| Brand | BBB Industries |
|---|---|
| Part Number | 503-0121 |
| Position | Excel-G |
| Inlet Size | M18X1.50 |
| Input Shaft Diameter | 0.72 |
| Input Shaft Diameter | 18.29 |
| Input Shaft Spline Count | 26 |
| Installation Kit Included | Yes |
| Manual or Power | Electric |
| New or Remanufactured | Remanufactured |
| Number of Mounting Holes | 4 |
| Outlet Size | M16X1.50 |
| Output Shaft Diameter | 1.25 |
| Output Shaft Diameter | 31.75 |
| Output Shaft Spline Count | 9 |
| Pressure Port Thread Size | M18X1.50 |
| Return Port Thread Size | M16X1.50 |
| Turns Lock To Lock | 3.375 |
This part fits 8 vehicles. Search below:
| Year | Make | Model | Drive Type | Position | Notes |
|---|---|---|---|---|---|
| 2015 | INFINITI | QX50 | AWD | Front Left | Replace suspension strut and coil spring assembly according to manufacturer's instructions.; Excel-G |
| 2014 | INFINITI | QX50 | AWD | Front Left | Replace suspension strut and coil spring assembly according to manufacturer's instructions.; Excel-G |
| 2013 | INFINITI | EX37 | AWD | Front Left | Replace suspension strut and coil spring assembly according to manufacturer's instructions.; Excel-G |
| 2012 | INFINITI | EX35 | AWD | Front Left | Replace suspension strut and coil spring assembly according to manufacturer's instructions.; Excel-G |
| 2011 | INFINITI | EX35 | AWD | Front Left | Replace suspension strut and coil spring assembly according to manufacturer's instructions.; Excel-G |
| 2010 | INFINITI | EX35 | AWD | Front Left | Replace suspension strut and coil spring assembly according to manufacturer's instructions.; Excel-G |
| 2009 | INFINITI | EX35 | AWD | Front Left | Replace suspension strut and coil spring assembly according to manufacturer's instructions.; Excel-G |
| 2008 | INFINITI | EX35 | AWD | Front Left | Replace 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:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.