Spectra Premium Spectra Engine Oil Pan TOP33A Unit is designed to OE fit; form and function requirements accomplished by leveraging the OE expertise Durable powder coating applied to exterior of oil pan for a long lasting rust free unit Washed and then sealed with an anti-corrosive spray on the interior for a rust free unit at installation Fit tested on the very same vehicle application for which it was developed verifying first-hand that the design fits properly and can be easily installed Engineered to stringent tolerances based on the Canadian engineers' in-depth knowledge of the OE part it is designed to replace