Glacier Diesel Power — founded in 2000 in Spokane, Washington — specializes in Cummins performance parts. Right from the beginning GDP focused on in-house manufactured products for the Cummins and GDP has stayed true to that. Glacier Diesel also stayed true to our founding principals: Quality products and support after the sale.

GDP manufacture a wide range of in house products for the Cummins power-plant. The most popular items includes TORKER 6.7L Cummins Injector Nozzles, Mega-Flo 6.7L Intake Manifolds, 5.9L Mega Rail Conversion Kits, Air Boss CR and Air Boss 67 Intake Plenums, 6.7L Grid Heater Deletes for Pickup and C&C, Fuel Boss Mechanical Lift Pumps, Bolt-on Double-X Ladder Bars and Traction Bars, 2 Micron Fuel Filter Systems, and 2nd generation Dodge Retro-fit Fuel Filter Kits.

All GDP manufactured products are proudly Made in the USA and are held to exacting tolerances. The workmanship shows the pride GDP takes in every GDP built product.