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Lateral arm bushings for your Jaguar Vanden Plas start at $10.95, and AutoBuffy stocks 1 options from Suspensia. These rubber or polyurethane sleeves cushion the lateral control arm where it bolts to the subframe and knuckle, isolating road noise and keeping the rear wheel aligned. When they crack or collapse, handling gets vague and tire wear accelerates.
The main decision is material: OEM-style rubber prioritizes quiet comfort, while polyurethane offers more durability and precision at the cost of some NVH. You also need to confirm whether you need the inner mount bushing, outer mount bushing, or both, as they wear at different rates and are sometimes sold separately.
| Option | Best for | What you get |
|---|---|---|
| OEM-spec rubber replacement | Daily drivers wanting factory ride quality | Identical durometer and geometry to original; minimizes noise and harshness |
| Heavy-duty rubber (OEM-upgrade) | High-mileage vehicles or rough-road use | Thicker rubber compound with reinforced bonding; longer service life than base OEM |
| Street polyurethane | Enthusiasts who want sharper handling with streetability | Firmer bushing that reduces deflection under cornering; some added NVH expected |
| Competition polyurethane | Track or performance builds | Maximum stiffness for precise rear-wheel alignment under hard loads; not suitable for daily use |
Raise and support the vehicle safely, remove the wheel, and unbolt the lateral arm from the subframe and knuckle. Press the old bushing out and press the new one in squarely, ensuring it is fully seated and oriented correctly per the manufacturer's marks. Reassemble all fasteners and torque them with the suspension at ride height, then schedule a four-wheel alignment before driving.