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Cummins Upgraded and Replacement Parts

Welcome to our extensive 1st Gen 12 valve 5.9L Cummins filters/maintenance parts page for the 89-93 model year trucks!

Pure Diesel Power offers everything you need, including exhaust valve springs, timing gear housing, hydro boost brake conversion kit, oil filters, connecting rods, voltage regulators, pigtails, flex plates, cam gears, water & vacuum pumps, dampers, and stud kits. We carry killer dowel pin repair kits, gaskets and seals, lift pumps, hoses, engine rebuild kits, intercooler boots, cams and much, much more!