Answer
Jun 12, 2026 - 10:20 AM
Yes, this Mahle/Clevite piston is an OE‑style replacement for Cummins/Chrysler part number 5139059AA used in ISB 5.9L 325 hp applications. It’s the standard‑bore 224‑3673 piston that cross‑references directly to 5139059AA, so it will work as a replacement as long as your engine is standard bore and matches the 2004.5–2007 5.9L Cummins ISB spec.
