If your brake pedal is getting really hard to push (like you're losing power assist), this Cardone remanufactured brake booster is likely what you need. The part number is 53-7620. It's a vacuum-powered unit that multiplies the force from your foot, making braking easy. Important note: This booster does NOT include the master cylinder. You'll reuse your existing one or buy a new one separately. Cardone is a trusted name in remanufactured parts. They take used cores, completely rebuild them with new seals and valves, and often make improvements over the original design. They pre-adjust the output rod for easier installation and put every unit through rigorous testing. It's also an eco-friendly choice, as remanufacturing uses much less energy than making a brand-new part. Just make sure this part number matches your old one or your vehicle's application for a perfect fit and restored braking power.