1. Prodotto finitoview
This manual provides detailed instructions for the installation, maintenance, and troubleshooting of the BOXI Front Suspension Sway Bar Stabilizer Bar Link Kit. This kit is designed to replace worn or damaged front sway bar links, restoring proper suspension function and vehicle stability.

Image 1.1: The BOXI Front Suspension Sway Bar Stabilizer Bar Link Kit, including two links and four nuts.
The stabilizer bar links play a crucial role in your vehicle's suspension system by connecting the sway bar to the suspension components. They help reduce body roll during turns, improving handling and ride comfort.
2. Compatibilità
This BOXI Front Suspension Sway Bar Stabilizer Bar Link Kit (Model BX02400041-2) is compatible with the following vehicle:
- Ford Focus: 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010
Sostituisce i numeri di parte OEM: K80066, YS4Z5K484, 5S4Z5K484AA, AS4Z5K484A
Important: Always verify compatibility with your specific vehicle's year, make, and model before installation.
3. Contenuto della confezione
All'apertura della confezione, assicurarsi che tutti i componenti siano presenti e integri:
- 2 x Front Suspension Sway Bar Stabilizer Bar Links
- 4 x Nuts (for installation)

Image 3.1: Contents of the BOXI Stabilizer Bar Link Kit.
4. Informazioni sulla sicurezza
Working on vehicle suspension components requires caution. Please adhere to the following safety guidelines:
- Indossare sempre dispositivi di protezione individuale (DPI) adeguati, tra cui occhiali e guanti di sicurezza.
- Prima di iniziare qualsiasi lavoro, assicurarsi che il veicolo sia saldamente appoggiato su cavalletti e posizionato su una superficie piana. Non affidarsi mai esclusivamente al cric.
- Scollegare la batteria del veicolo se si lavora in prossimità di componenti elettrici.
- Utilizzare gli strumenti giusti per ogni attività.
- In caso di dubbi su qualche passaggio, consultare un meccanico qualificato.
5. Istruzioni per l'installazione
The following steps outline the general procedure for replacing front sway bar stabilizer links. Specific vehicle configurations may vary. Refer to your vehicle's service manual for detailed torque specifications.

Image 5.1: A mechanic performing suspension work. Professional installation is recommended if you are not experienced.
- Preparare il veicolo:
- Parcheggiare il veicolo su una superficie piana.
- Inserire il freno di stazionamento.
- Allentare i dadi delle ruote anteriori.
- Jack up the front of the vehicle and support it securely with jack stands.
- Rimuovere le ruote anteriori.
- Locate Old Sway Bar Links:
Identify the existing front sway bar stabilizer links. They connect the sway bar to the strut or lower control arm.
- Remove Old Sway Bar Links:
- Using a wrench or socket, loosen and remove the nuts securing the old sway bar links at both ends.
- If the stud spins, you may need to use an Allen key or Torx bit to hold the stud while loosening the nut.
- Remove the old links from the vehicle.
- Install New Sway Bar Links:
- Position the new BOXI sway bar link in place, aligning the studs with the mounting holes.
- Install the new nuts provided with the kit onto the studs.
- Hand-tighten the nuts initially.
- Torque Nuts to Specification:
- Lower the vehicle slightly so that the suspension is under load (or place a jack under the lower control arm to simulate load). This helps ensure proper alignment and prevents premature wear.
- Using a torque wrench, tighten the nuts to the manufacturer's specified torque. Refer to your vehicle's service manual for exact values.
- Nota: Some users have reported issues with nuts stripping if over-torqued or if low-quality nuts are used. Ensure proper torque and inspect nuts for quality.
- Passaggi finali:
- Reinstall the front wheels and tighten lug nuts to specification.
- Abbassare completamente il veicolo.
- Test drive the vehicle to ensure proper function and check for any unusual noises or handling characteristics.
6. Operating Principles and Effects
The sway bar links connect the anti-roll bar (sway bar) to the wheel hub or suspension arm. Their primary function is to transfer forces from one side of the suspension to the other, resisting body roll during cornering. When a vehicle turns, the centrifugal force causes the body to lean. The sway bar, through the links, twists to counteract this lean, keeping the vehicle flatter and improving stability and handling.
Replacing worn sway bar links with new BOXI units can lead to:
- Reduced vehicle body roll during turns.
- Improved steering response and control.
- Elimination of clunking or rattling noises from the front suspension.
- Enhanced overall driving safety and comfort.

Image 6.1: Improved vehicle control and driving experience after proper installation.
7. Manutenzione
Sway bar links are wear items and do not typically require routine maintenance beyond periodic inspection. However, to maximize their lifespan and ensure continued performance:
- Ispezione regolare: During routine vehicle maintenance (e.g., oil changes, tire rotations), visually inspect the sway bar links for signs of wear, such as torn boots, excessive play in the joints, or corrosion.
- Address Noises Promptly: If you hear clunking, rattling, or knocking noises from the front suspension, especially over bumps or during turns, have the sway bar links inspected immediately.
- Pulizia: Keep the suspension area relatively clean to prevent excessive buildup of dirt and debris around the joints.
8. Risoluzione Dei Problemi
If you experience issues after installing the sway bar links, consider the following:
| Sintomo | Possibile causa | Soluzione |
|---|---|---|
| Rumore di tonfo/crepitio | Loose nuts, damaged link, incorrect installation, other worn suspension components. | Check torque on all nuts. Inspect links for damage. Verify correct installation. Inspect other suspension parts (bushings, ball joints, tie rods). |
| Rollio eccessivo del corpo | Link not properly installed, incorrect part, or other suspension issues. | Re-check installation. Confirm part compatibility. Have a mechanic inspect the entire suspension system. |
| Nuts stripping during installation | Over-torquing, cross-threading, or material defect. | Ensure proper torque specifications are followed. Start nuts by hand to avoid cross-threading. If nuts are defective, contact customer support for replacements. |
9. Specifiche
| Caratteristica | Dettaglio |
|---|---|
| Marca | SCATOLA |
| Posizione della parte automatica | Davanti |
| Tipo di servizio del veicolo | Auto |
| Finitura esterna | Nero |
| Numero di modello | Modello BX02400041-2 |
| Sostituisce i numeri di parte OEM | 5S4Z5K484AA, YS4Z5K484, AS4Z5K484A, K80066 |
| Peso dell'articolo | 1.66 libbre (per set) |
| Dimensioni del pacco | 12.28 x 2.87 x 2.4 pollici |
10. Garanzia e assistenza clienti
BOXI provides a Garanzia limitata di 1 anni for this product. This warranty covers manufacturing defects and ensures the product performs as intended under normal use.
If you encounter any quality issues, damage, or have questions regarding the compatibility or installation of this product, please contact BOXI customer support. Provide your purchase details and a description of the issue for prompt assistance.
For further information or support, please visit the official BOXI store or contact their customer service department.