Airtex 42138 Mechanical Fuel Pump

This aftermarket mechanical fuel pump is interchangeable with Airtex 42138, providing a verified cross-reference for customers seeking a direct replacement. Built as a mechanical fuel pump, it is designed to substitute for the original Airtex unit in compatible fuel-delivery setups, helping restore fuel pressure and flow when the stock pump has worn or failed. The listing indicates compatibility with the Airtex 42138 specification, so buyers can source a like-for-like replacement without modifying mounting points or fuel lines. Use this part in repairs or restorations where an aftermarket option matching Airtex 42138 is required, supporting continued operation of your fuel system with an established, proven design.