A-Premium Disc Brake Caliper 18004978 for Buick Apollo 1975

Part Name: Brake Caliper, Pinzas de Freno

Part Number: 18004978

Applications:

Buick Apollo 1975
Buick Century 1973-1976
Buick Regal 1973-1976
Buick Skylark 1975-1976
Cadillac Seville 1976
Chevrolet Camaro 1970-1976
Chevrolet Chevelle 1973
Chevrolet EL Camino 1973-1976
Chevrolet G10 1972-1973
Chevrolet Laguna 1973-1976
Chevrolet Malibu 1973-1976
Chevrolet Monte Carlo 1973-1976
Chevrolet Nova 1975-1976
GMC G15 G1500 VAN 1972-1973
GMC Sprint 1973-1976
Oldsmobile Cutlass 1973-1976
Oldsmobile Cutlass Salon 1975-1976
Oldsmobile Cutlass Supreme 1973-1976
Oldsmobile Omega 1975-1976
Oldsmobile Vista Cruiser 1973-1975
Pontiac Firebird 1970-1976
Pontiac Grand AM 1973-1975
Pontiac Grand Lemans 1975-1976
Pontiac Grand Prix 1973-1976
Pontiac GTO 1973
Pontiac Lemans 1973-1976
Pontiac Ventura 1975-1976

What is a brake caliper?

Brake calipers are an important part of a vehicle's braking system, located near the wheels and responsible for managing the interaction between the brake pads and discs. This interaction creates friction that slows or stops the vehicle's movement. Brake calipers play a vital role in ensuring efficient braking and safe driving of modern cars and trucks.

Why are brake calipers important? Proper design and performance of brake calipers is critical to a vehicle's overall braking efficiency and safety. Brake calipers must be maintained and inspected regularly to ensure they are working properly as this is vital to vehicle safety. Insufficient brake calipers will significantly reduce braking performance, thereby endangering driving safety. Therefore, regular inspection of brake calipers and pads to identify leaks, excessive wear, or damage is critical to maintaining the reliability of your braking system.

The function of car calipers:

◆ Brake calipers are devices designed to slow down, stop, or keep moving wheels in a stationary position. They are primarily used in vehicles equipped with disc brake systems.

◆ In a car's disc brake system, various components work together: a brake oil pump, a brake disc connected to the wheels, and a brake caliper positioned on the disc. When the brakes are applied, high-pressure brake oil is pumped, pushing the piston inside the caliper. This exerts pressure on the brake pads, causing them to press against the brake disc, resulting in the desired braking effect.

◆ Disc brakes can be categorized into two types: ordinary disc brakes and ventilated disc brakes. Ventilated disc brakes have a gap between two brake discs, allowing air to flow through. Some ventilated discs feature circular ventilation holes, while others have ventilation slots or pre-made rectangular ventilation holes on the disc surface.

◆ Ventilated disc brakes harness the airflow, providing superior cooling and heating effects compared to ordinary disc brakes. The main advantages of disc brakes include their ability to rapidly bring a vehicle to a stop, superior heat dissipation compared to drum brakes, and consistent braking efficiency, which makes them compatible with advanced electronic systems like anti-lock braking systems (ABS).