219 663-7286

Magiera Diesel Injection (MDI) of Crown Point, IN is your "one stop" shop for your diesel needs.  We have  an extensive inventory featuring a wide variety of competitively priced, quality products for your diesel engine.  With the support of Alliant Power and Delphi Aftermarket, we keep a considerable offering of commonly replaced parts, together with, hundreds of exchange injection pumps, injectors, and turbo chargers in stock to eliminate down time.  In addition, we can supply you with high performance tuners, exhaust, and intake kits.   And don't forget, we can also professionally install these parts in our 8 bay service shop - again, we are your "one stop" shop for your diesel needs!

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

pumpturbo  alliant

Injection Pumps/Injectors

We have many of our own remanufactured units in stock as well as from Bosch, Cummins, Delphi, Stanadyne and other leading fuel injection equipment makers.



Delphi is a major global supplier of OE diesel fuel injection systems and parts.  MDI is an authorized Delphi diesel service dealer providing expert, cost effective diagnostics, test and repair for all Delphi diesel fuel injection systems, whether fitted to a car, bus, truck or off-highway engine.  MDI stocks many Delphi parts to eliminate down time.

Turbo Chargers

MDI is an authorized distributor for Garrett Turbos and Garrett Powermax.  We can also supply Holset, BorgWarner, and other turbos at very competitive pricing.




DTech offers quality fuel injection products.  DTech is the DIPACO brand for remanufactured products.  DIPACO has supplied diesel aftermarket parts for over 60 years.  DTech has an expanding line of diesel fuel pumps, injectors, electronic modules plus related parts for the following diesel engine applications: Ford 7.3L and 6.0L / Dodge 5.9L and 6.7L / GM 6.5L and Duramax 6.6L.


Alliant Power

Alliant Power is the exclusive supplier of a variety of diesel products: fuel injectors, engine components, seal/repair kits, equipment starters, fuel transfer pumps, water and vacuum pumps, and filters for variety of vehicle applications.  MDI is an authorized distributor and stocks these products to meet our customer needs.



Clean, efficient, dependable and durable, Cummins engines are found in nearly every type of vehicle and equipment on earth -- Cummins is a global power leader that designs, manufactures, sells and services diesel engines around the world.  Cummins Engine Business also provides a full range of new parts and services and remanufactured parts and engines through an extensive distribution network.