Coil Spring - KYB - RA1012

This is a front coil spring manufactured by KYB. The part number for this coil spring is RA1012. I...

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eBayCoil Spring Front RA1012 KYB Suspension 8E0411105CH 8E0411105CJ 8E0411105EH New
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Product Information

Full details

This KYB RA1012 coil spring is designed for automotive suspension systems, offering a direct replacement for specific vehicle models to restore ride height and handling. Its key benefit is providing reliable, OE-quality performance. A caveat is that installation requires specialized tools and mechanical knowledge. This guide covers its features, use, compatibility, and care.

All features

Model Part NumberRA1012
BrandKYB

Extended Product Information

FAQs

What vehicles is the KYB RA1012 coil spring compatible with?

The KYB RA1012 coil spring is compatible with vehicles that use OEM part numbers 8E0411105CH, 8E0411105CJ, and 8E0411105EH. It is essential to confirm your vehicle's specific part number requirements.

Do I need to replace coil springs in pairs?

Yes, it is highly recommended to replace coil springs in pairs on the same axle (e.g., both front springs or both rear springs) to maintain balanced suspension performance and handling.

Can I install the KYB RA1012 coil spring myself?

Installation of coil springs is a complex and potentially dangerous task that requires specialized tools and expertise. Professional installation by a qualified mechanic is strongly advised for safety and proper function.

What is the primary function of a coil spring in a suspension system?

Coil springs support the weight of the vehicle and absorb shocks from the road, providing a smooth ride and maintaining tire contact with the road surface for optimal handling and braking.

How long does a KYB coil spring typically last?

The lifespan of a coil spring can vary depending on driving conditions, vehicle load, and maintenance. However, KYB products are known for their durability and are designed for long service life.

What should I do if my vehicle sags after installing the new coil spring?

Ensure the spring is fully seated and that the correct part number was installed. If the issue persists, it may indicate a problem with other suspension components or the need to replace the spring on the other side of the axle.

Troubleshooting

Uneven ride height

Verify that the coil springs were installed correctly and are seated properly. If only one spring was replaced, consider replacing the other side on the same axle.

Excessive bouncing or poor handling

Check the condition of shock absorbers and other suspension components. Ensure the coil spring is the correct part number for your vehicle.

Noise from the suspension

Confirm that the coil spring is properly seated and that any protective boots or isolators are in place. Improper installation can lead to noise.

Pros and Cons

Pros

  • Genuine KYB product ensuring quality and reliability.
  • Designed to meet or exceed original equipment specifications.
  • Helps restore proper vehicle ride height and suspension performance.
  • Durable construction for long-lasting service.

Cons

  • Requires professional installation due to complexity and safety concerns.
  • Only compatible with specific vehicle models and OEM part numbers.
  • May need to be replaced in pairs for balanced suspension performance.

Setup, Compatibility & Care

Compatibility: This KYB RA1012 coil spring is compatible with OEM part numbers 8E0411105CH, 8E0411105CJ, and 8E0411105EH. Always verify your vehicle's specific requirements before purchase.

Setup: Installation of coil springs is a safety-critical procedure that requires specialized tools, such as spring compressors, and a thorough understanding of automotive suspension systems. It is strongly recommended to have this part installed by a qualified mechanic. Replacing springs should ideally be done in pairs on the same axle to ensure balanced suspension performance.

Care: Coil springs are generally maintenance-free. However, regular visual inspections of the suspension system for any signs of damage, corrosion, or sagging can help identify potential issues early. Ensure the area around the spring is kept free of excessive dirt and debris.

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