These replacement fuel injection systems are then listed by vehicle year, make, model and engine size in the manufacturer's catalogue. The manufacturer of replacement fuel injection systems determines which of their systems are considered replacements for original equipment. Aftermarket distributors that are not listed as replacements for the original part require an Executive Order number to be legal for street use. Swapping distributors from different years, engines or makes is illegal. These replacement distributors are then listed by vehicle year, make, model and engine size in the manufacturer's catalogue. The manufacturer of a replacement distributor determines which of their models are considered replacements for original equipment. Swapping electronic ignitions from different years, engines, or makes is illegal. Electronic ignitions or electronic point replacement units for vehicles not originally equipped with these items require an Executive Order to be legal for street use. These replacement electronic ignitions are then listed by vehicle year, make, model and engine size in the manufacturer's catalogue. The manufacturer of replacement electronic ignitions determines which of their models are considered replacements for original equipment. Aftermarket computer chips must have an Executive Order to be legal for street use. Replacement computer chips must be an original equipment manufacturer part. Coils & Ignition WiresĪny type of coil or ignition wires may be used as long as they meet original manufacturer specifications.
Manufacturers of aftermarket catalytic converters must obtain an Executive Order for their products from CARB in order to be listed in an approved catalogue. Catalytic ConvertersĪ legal aftermarket catalyst is one that is listed in a CARB approved manufacturers catalogue for the year, make, model, and engine size of vehicle on which it is being installed. Carburetors not listed as replacement parts by their manufacturer must have an Executive Order to be legal for street use. These replacement carburetors are then listed by vehicle year, make, model and engine size in the manufacturer's catalogue. The manufacturer of replacement carburetors determines which of their models are considered replacements for original equipment. Cams that have different specifications than the original part require an Executive Order to be legal for street use. A replacement cam must have exactly the same specifications (grind) as the original part. These replacement cams are then listed by vehicle year, make, model and engine size in the manufacturer's catalogue. The manufacturer of replacement cams determines which of their parts are considered replacements for original equipment.
Any air cleaner that does not meet the original factory specifications requires an Executive Order to be legal for street use. Any replacement air cleaner elements may be used as long as they meet original factory specifications.
A replacement air cleaner must meet the same specifications as the original and connect to any emissions equipment that was attached to the original equipment air cleaner. Most emission controlled vehicles will have an air cleaner that is a closed element type or thermostatically controlled. Check the manufacturer's catalogue to verify vehicle application and look for disclaimers, such as "Not legal for street use in California." Air Cleaner The following list will help you determine if a part for your vehicle is a replacement part and legal for use on pollution.