KYB Coil Spring - Rear Axle

This coil spring is designed for the rear axle of specific Audi models including the A4 B8 Avant, A5, and certain L200/Triton variants. Always verify fitment for your exact vehicle before purchase.

OE-quality means the part is manufactured to meet or exceed the standards set by the original equipment manufacturer, ensuring it performs and fits like the original part.

While possible, installing coil springs requires specialized tools like spring compressors and a thorough understanding of suspension systems. Professional installation by a qualified mechanic is strongly recommended for safety and proper function.

Check your vehicle's specific year, make, model, and trim against the product's compatibility list. Cross-reference the provided OEM part numbers (e.g., AUDI: 8K0511115DT) with your vehicle's original part numbers if possible.

The lifespan of a coil spring depends heavily on driving conditions, load, and maintenance. However, KYB parts are manufactured to high standards, aiming for durability comparable to original equipment.

This product listing is typically for a single coil spring (Part Number: RA6100). For optimal suspension performance and to maintain an even ride height, it is generally recommended to replace coil springs in pairs on the same axle.

If you hear noises such as squeaks or rattles, first check that the spring is correctly seated and that all related suspension components (shocks, bushings) are securely tightened and in good condition. Noise can sometimes originate from other suspension parts.

Ensure the spring is correctly seated in its upper and lower perches. Re-check that the correct spring part number was used for the specific axle position (rear in this case).

Verify that all related suspension components (shocks, mounts, bushings) are in good condition and properly tightened. Sometimes, noise can originate from other suspension parts rather than the spring itself.

Inspect the spring for any manufacturing defects or damage incurred during shipping or installation. Contact the seller if a defect is suspected. Ensure the environment is not excessively corrosive.

Confirm the correct spring part number was installed. Check if other suspension components (like worn shock absorbers) are preventing the spring from performing optimally. Ensure the vehicle's weight is settled on the suspension after installation.