Heavy-Duty Brake Caliper Dust Boot & Seal Service Kit ?️

This service kit is used to refresh the protective rubber boots and inner seals around your brake caliper piston and guide areas. It is needed when boots crack, go hard, or start leaking, letting dirt and water reach the sliding surfaces. Clean movement is critical for even braking and safe stopping.

How It Works ✅

The dust boot acts like a shield, keeping road grit, salt, and moisture out while allowing the caliper piston to move in and out during braking. The seals maintain correct hydraulic pressure, helping the piston retract slightly after you release the pedal. With new boots and seals installed, the caliper stays smooth, quiet, and responsive.

What Happens If It’s Damaged ⚠️

If the boot tears or the seal wears out, contamination causes rust and binding. Common results include uneven pad wear, dragging brakes, overheating, pulling to one side, squealing, reduced fuel economy, and in severe cases brake fade or caliper seizure. Fixing early prevents expensive caliper and rotor replacement.

Best Time to Replace ?

Replace during brake pad/rotor service, whenever you see grease leaks, split rubber, or sticky caliper movement.

Compatibility ?

• Lexus LX470