Upgrade your 1992-1993 Chevrolet or GMC 6.2L LD diesel engine with the Stanadyne DB2829-5056 fuel injector pump. This mechanical pump is designed to provide high-pressure fuel delivery for optimal engine performance. The pump comes with mounting hardware and works with a 12V electrical system. It is an OE/OEM part with the part number 10154684. Made in the United States, this pump is not a vintage part and is not considered a performance upgrade. It is not universally compatible with all vehicles and is designed specifically for diesel fuel.