Features: Part Numbers: 446103D700 R2518306, 532727 Professional installation is highly recommend.(No Instruction Included) Fitment Type: Direct Replacement Fitment: For Toyota 4Runner 1996 - 2000 Package includes: Power Brake Booster Notes: Instruction is not included. Professional installation is Needed for this part. Contact us please for whatever we can help. WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov. Working principle: .