219 663-7286



Magiera Diesel Injection is Northwest Indiana's only factory authorized diesel fuel injection facility.  Services offered include diesel performance repairs and diagnostics specializing in the fuel, air and electrical systems.  Our remanufactured components offer a cost effective solution as compared to buying new units.  Genuine parts assure you are getting factory original quality.  We also have a drive-in eight bay service shop as well as a vast in-house inventory of specialty parts for all your diesel needs.  Recognizing and meeting the needs of our customers is what keeps MDI at the forefront of this prevailing diesel market.

MDI strives to provide a sense of comfort to our customers by providing our support and knowledge throughout the entirety of their MDI experience. 

*We offer free parts pick-up and delivery for fleet and commercial accounts (within a twenty mile radius of our shop).

test stand      service     HEUI injector

Diesel Injection Service

Our technicians are factory trained by the manufacturers to ensure the highest level of service possible.  MDI is proud to have achieved Bosch's highest Service Dealer rating - a 4 Star Dealer.  Injection pumps and injectors are calibrated on test benches which have been checked with master reference pumps to ensure complete accuracy.










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Drive-In Service

MDI offers fleet services including diesel engine diagnostics and repair.  Our technicians use the latest computer diagnostic test equipment to get you back on the road quickly and efficiently. We are an authorized Cummins and Thomas Bus Dealer as well as a Bosch Diesel Service Center.







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HEUI Injectors

HEUI stands for Hydraulically-Activated Electronically-controlled Unit Injectors.  Using our HI2000 test rig, we can flow test your injectors to aid in engine diagnostics.  We are also an Alliant Power Dealer offering a large variety of top quality parts for modern diesel engines.