If your Lexus IS300 (2002-2005 with the 3.0L engine) has a stiff brake pedal or poor braking power, this brake booster could be the fix. It’s a direct replacement for part numbers like 4461053190, 53-2515, and 532515. Features a dual diaphragm design (8.27 inches in diameter) for reliable vacuum assist, and it's coated to resist rust. Does not include the master cylinder, so you'll reuse your existing one. Installation is straightforward if you're familiar with brake work, but having a pro do it is recommended for safety. Backed by a one-year unlimited-mileage warranty. Restore smooth, responsive braking with this durable, well-made booster.
