Proper identification of a California emission system

IMPORTANT NOTE: Before servicing any vehicle’s catalytic converter, you must determine whether the vehicle was manufactured to California or Federal (EPA) specifications.

Vehicles manufactured for sale in California could have exhaust systems components that may be different from 49-state vehicles. Vehicles that are not registered in California but are labeled as having California Emissions can use catalytic converters in this catalog except for those labeled “With a Federal Emissions System”.

Typical label showing a California system

Typical label showing a L.E.V. System (Low Emissions Vehicle)

Typical label showing a Federal system

Common vehicle emissions label locations are: 1. On the front radiator support 2. On the strut tower plate 3. Under the engine hood