Browse our full selection of Cummins X15 in-frame overhaul kits, built to match OEM references like 5406110, 5579475, 5579454, and 5693737. These kits are designed for CM2350 and CM2450 engine platforms and support common CPLs such as 4342 and 4343. We stock high-quality kits from AFA, Interstate-McBee, and PAI, giving you reliable options for professional rebuilds. Each kit includes liners, premium pistons, rod and main bearings, a complete gasket set, piston cooling nozzles, and more—everything you need for a dependable in-frame overhaul that meets modern emissions standards.
