Bosch is a recognized leader in fuel systems technology with more than 45 years of gasoline injection system experience. With production exceeding 1 billion fuel injectors, Bosch is the number one name in original equipment (OE) injectors. Bosch Fuel Injectors offer many advantages, including: eliminating vapor leakage, reducing CO2 emissions, and improved warm-start performance. Manufactured with premium quality, high-alloy steels and plastic coverings for optimum corrosion resistance, ethanol fuel (E100) capability, and longevity. Optimum spray patterns ensure perfect mixture generation and efficient combustion - even for dynamic driving - and deliver new-vehicle smoothness and drivability. Includes seals and/or o-rings necessary for installation, so they're ready to install right out of the box.