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Boots that protect caliper slide pins from dirt and moisture.
Damaged boots allow rust and grit into the pin bore, which can cause sticking and uneven braking. Match boots to the pin size and caliper design. Replace boots when torn or loose. Proper sealing helps slide pins move freely so pads retract cleanly.
Heat, age and incorrect removal can tear the boot.
A torn boot allows dirt in, which can seize the pin and affect braking.
Yes. Boots match the caliper and pin design.