Garrett R5100658 Factory Rebuilt Turbocharger - Used Core

Garrett / AlliedSignal large-frame diesel turbocharger, tagged P/N R5100658 with serial AJM0020 on the original red Garrett "Factory Rebuilt Turbocharger" plate. Cast-iron turbine housing with a 4-bolt rectangular inlet flange, V-band-clamped aluminum compressor housing with integral round discharge tube. **Application:** Heavy-duty diesel (industrial / marine / on-highway class). Specific engine application is NOT verified — identified from the Garrett reman tag only. May suit a Garrett large-frame turbo application; buyer must confirm. **Condition:** Used, untested rebuildable core. Heavy surface rust on the turbine housing and center section, oxidation and dirt on the aluminum compressor housing. Appears complete in the photos but has not been tested, spun, or inspected for shaft play or wheel/housing damage. Priced and offered as a core / rebuild candidate only — no operational claims are made. Buyer must confirm fitment by part number, photos, dimensions, engine model, serial number, and application before purchase. Used marine part sold as-is unless otherwise stated. No returns on electrical, used, special-order, or installed parts.