Need a direct-fit replacement without sacrificing quality? Diesel Power Source stock-fit turbos and exhaust manifolds are engineered to meet or exceed OEM specifications for 5.9L & 6.7L Cummins and selected ISX15 applications—delivering reliable sealing, proper sensor fitment, and long service life.
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This category is focused on factory-equivalent, emissions-compatible replacements. If you’re looking for larger-frame performance turbos, compounds, or T4 conversions, use the links in the related categories section below. Product pages include year-specific notes, contents, and install guidance.
Related categories (for performance paths): 6.7 Cummins Performance Manifolds, Turbonator® VGT Upgrades, S300 Single Turbos, Compound (Add-A-Turbo) Systems.
Shopping by platform instead? Start at Dodge Cummins Performance or Commercial & Semi.
Yes—these are stock-fit components designed to function with factory systems when installed as directed. Always follow local regulations and product guidance.
No tuning is typically required for like-for-like replacements. If you change turbo size or fueling, consider calibration to optimize drivability and temperatures.
Match year/engine family, flange type, actuator style, and sensor/porting. If uncertain, contact us with your VIN and existing part numbers.
Plan new gaskets, studs/nuts, crush washers (if equipped), and consider replacing any heat-soaked hardware or warped mating parts.
Our thick-wall castings and precision-machined flanges are engineered for durability and sealing under repeated heat cycles, meeting or exceeding OE performance in stock applications.
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