Coil Spring - KYB - RA4126

This is a KYB Coil Spring, part number RA4126. It is designed for the Front Axle, with a length of...

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eBayFits KAYABA SPRʯYNY RA4126 SUSPENSION SPRING SKODA OCTAVIA III (5E3) ⭐UK Stock⭐
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My Motor WorldKyb Ra4126 Coil Spring
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Product Information

Full details

This KYB Coil Spring (RA4126) is designed for the front axle of select SKODA and VW models, offering a durable replacement for worn suspension components. Its primary benefit is restoring proper vehicle ride height and handling. A key consideration is that professional installation is recommended due to the nature of suspension work. This coil spring features specific dimensions and a robust construction to ensure reliable performance.

All features

Model Part NumberRA4126
BrandKYB

Extended Product Information

FAQs

What vehicles is the KYB RA4126 coil spring compatible with?

This coil spring is designed for the front axle of SKODA OCTAVIA III (5E3, NL3, NR3) and VW GOLF Mk7 models, specifically those with 2.0 TDI engines (05/2013-10/2020) or 2.0 TSI engines (05/2013-02/2017) and Manual Transmission. It is a replacement for OEM part number SKODA 5Q0411105HD.

Do I need to replace both front coil springs?

Yes, it is standard practice and highly recommended to replace coil springs in pairs (both left and right front springs) to ensure balanced handling and prevent uneven ride height.

Can I install this coil spring myself?

Installation of coil springs requires specialized tools and a thorough understanding of vehicle suspension. Professional installation by a qualified mechanic is strongly advised for safety and proper function.

What is the length and diameter of this coil spring?

The KYB RA4126 coil spring has a length of 278 mm and an outer diameter of 140 mm.

What is the weight of this coil spring?

This coil spring weighs approximately 1.6 kg.

Does this coil spring lower or lift the vehicle?

This coil spring is designed as a direct replacement to restore the vehicle to its original factory ride height. It is not intended for lowering or lifting the vehicle.

What does the thickness/strength value (112.2 mm) refer to?

The 112.2 mm likely refers to the wire diameter or overall spring thickness specification contributing to its spring rate and load-carrying capacity.

Troubleshooting

Vehicle sags on one side after installation

Ensure the coil spring is correctly seated in its perches at both the top and bottom. Re-inspect for proper alignment.

Unusual noises from the front suspension

Verify that all suspension components, including mounts and isolators, are correctly installed and tightened. Check for any loose parts.

Ride height not restored to original

Confirm that the correct part number has been installed and that the original spring was not excessively compressed or damaged. Check for other suspension issues.

Spring appears to be damaged or cracked

Discontinue use immediately and have the part inspected or replaced. Damage can compromise vehicle safety.

Pros and Cons

Pros

  • Restores original ride height and handling.
  • Durable construction for longevity.
  • Designed for specific vehicle makes and models.
  • Helps maintain vehicle stability and safety.
  • A reliable aftermarket replacement for worn springs.

Cons

  • Requires professional installation.
  • Specific vehicle fitment may limit application.
  • Does not offer performance upgrades (e.g., lowering).
  • Can be damaged by improper installation methods.
  • Replacement is only for one axle (front).

Setup, Compatibility & Care

Compatibility: This KYB Coil Spring RA4126 is designed for the front axle of specific SKODA OCTAVIA III (5E3, NL3, NR3) and VW GOLF Mk7 models. It is compatible with vehicles from 05/2013 to 10/2020 (for 2.0 TDI) and 05/2013 to 02/2017 (for 2.0 TSI) equipped with Manual Transmission. Always verify compatibility with your vehicle's VIN and OEM part number (SKODA 5Q0411105HD).

Setup: Installation requires specialized tools and knowledge of automotive suspension systems. It is highly recommended to have this part installed by a qualified mechanic. The process typically involves lifting the vehicle, safely removing the wheel, and disassembling the strut assembly to replace the coil spring. Proper seating of the spring and reassembly of components are critical.

Care: Coil springs are generally maintenance-free. However, it is advisable to inspect them periodically for signs of damage, such as cracks, rust, or deformation, during regular vehicle maintenance. Ensure the protective coating remains intact to prevent corrosion. Avoid overloading the vehicle beyond its specified capacity, as this can place undue stress on the springs.

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