Get Pontiac G5 Master Cylinders Price. Purchase Pontiac G5 Master Cylinder Bleeder Kit & Pontiac G5 Master Cylinder Reservoir Replace Pontiac G5 Master Cylinders. Maintaining the master cylinder in your Pontiac G5 is critical for reliable braking performance. Regularly checking the brake fluid level and ensuring it's clean can prevent premature wear; if the pedal feels spongy or sinks to the floor, it's a telltale sign that a replacement may be necessary. Extend its lifespan by avoiding aggressive braking habits. When selecting a new master cylinder, opt for high-grade materials that offer durability and proper fitment to ensure peak functionality. Installation is straightforward for those with mechanical aptitude, but professional installation is recommended to guarantee safety and efficiency. Our range includes direct OEM replacements and performance-oriented options, all designed to meet or exceed original specifications for your driving peace of mind.