ACDelco 12458114 GM Original Equipment Fuel Injection Fuel Rail O-Ring Kit with 18 O-Rings GM-recommended replacement part for your GM vehicles original factory component Offering the quality, reliability, and durability of GM OE Manufactured to GM OE specification for fit, form, and function Engineered to high standards Assured high quality and dependability Tested under extreme conditions Features a high-tech range of quality material Meets all original equipment standards