Used GM exhaust manifold, casting number 3747038 X with date code L18. We are not familiar with all makes and models this fits. Please verify part number and pictures match your application. Used manifold is dirty and shows some patina/rust from use and sitting. See pics for condition. 

Can not be returned if installed, ran or has been modified. Must be returned in the same condition as shown.

Please email with any questions before bidding/purchasing.