KYB Shock Absorber - Front Right

KYB (Kayaba) is the largest manufacturer of hydraulic equipment in Japan and one of the world’s la...

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Shock Absorber (Single Handed) Front Right 334621 KYB 31316759420 31316759422

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Product Information

Full details

This KYB Excel-G Gas Pressure Shock Absorber (Part # 334621) is designed for the front right side of specific BMW and MINI vehicles. It offers improved vehicle control and comfort by utilizing a twin-tube gas pressure system, ensuring consistent performance. A potential consideration is the need for professional installation to ensure proper fitment and safety.

All features

Model Part Number	334621
Brand	KYB

Extended Product Information

FAQs

What is the difference between KYB's Excel-G and other shock absorber lines?

Excel-G shocks are specifically designed to be a direct OE replacement, focusing on restoring original ride quality and handling characteristics without major alterations.

Is this shock absorber sold individually?

Yes, this is a single shock absorber for the front right side. It is often recommended to replace shocks in pairs (left and right) for balanced performance.

What does 'Gas Pressure' mean for a shock absorber?

Gas pressure helps prevent the oil inside the shock from foaming (aerating) when it heats up during use. This ensures more consistent damping performance.

How long does a KYB shock absorber typically last?

The lifespan varies depending on driving conditions and mileage, but generally, shock absorbers are recommended for replacement every 50,000 to 100,000 miles.

What does 'Twin-Tube' design refer to?

A twin-tube shock absorber has two concentric tubes. The inner tube contains the piston and rod, while the outer tube acts as an oil reservoir and contains the gas charge.

Can I install this myself?

While possible with the right tools and knowledge, professional installation is highly recommended due to safety implications of suspension work.

Troubleshooting

Vehicle handling feels less responsive

Ensure the shock absorber was installed correctly with proper torque and that no other suspension components are worn.

Noisy suspension over bumps

Check that all mounting hardware is tightened securely. A professional inspection may be needed to rule out other suspension issues.

Visible leaks on the shock absorber body

A leak indicates a seal failure. The shock absorber will need to be replaced.

Pros and Cons

Pros

Restores original ride comfort and handling.
Enhanced stability and reduced body roll.
Durable construction for long-term use.
Designed as a direct OE replacement.
Gas pressure technology ensures consistent performance.

Cons

Requires professional installation for optimal results.
May not be suitable for heavily modified suspension systems.
Specific fitment means it's not a universal part.

Setup, Compatibility & Care

Compatibility: This shock absorber is compatible with specific BMW and MINI models. Always verify fitment using the OEM reference numbers (BMW: 31316759420, 31316759422, etc.; MINI: 31306764916, 31306764918, etc.) or consult a professional.

Installation: Installation requires specialized tools and knowledge of automotive suspension systems. It is strongly recommended to have this part installed by a qualified mechanic. Ensure proper torque specifications are used for all mounting points.

Care: Shock absorbers are sealed units and generally do not require user maintenance. Keep the visible areas of the shock absorber clean from excessive dirt and road salt. Inspect periodically for signs of leaks, damage, or unusual noises.