181998 4LE556 Turbocharger Core for Mack ET673E

This 181998 4LE556 turbocharger core serves as an aftermarket replacement for Mack ET673E engines. Designed for rebuilders and fleet maintenance, this CHRA unit supports reference applications including OEM numbers 181999 and 185606. Verify specific engine codes and shaft dimensions before ordering to ensure proper fitment.

Key Specifications

This 181998 turbocharger core is engineered for the 4LE556 model, serving as a direct aftermarket replacement for Mack ET673E engines. The unit includes the central housing rotating assembly (CHRA) with integrated bearings and shaft. Key specifications include a gross weight of 8 kg and compact packing dimensions of 21x23x26 cm for efficient logistics. This core references OEM numbers such as 181999 and 185606. Verify shaft diameter and oil port alignment against your specific engine application before installation to ensure proper fitment and operational stability.

Application & Compatibility

This 181998 core is listed for Mack ET673E engines as a reference application. It supports verification against OEM numbers including 181999, 185606, and 147582. Buyers should confirm specific engine codes and turbo model details before ordering. This unit serves as a replacement application for fleet maintenance and rebuild projects. Always verify shaft dimensions and oil port alignment to ensure proper fitment with your existing turbocharger housing.

Technical Notes

This 4LE556 core requires careful inspection of the bearing housing oil feed and return ports before installation. Ensure passages are clear to maintain stable lubrication and prevent premature wear in the Mack ET673E application. Verify shaft diameter and material match the original unit specifications. Mismatched dimensions can lead to alignment issues or bearing failure. Check for foreign object damage (FOD) on the old turbo; clean the intake and exhaust system thoroughly if debris is present to protect the new 181998 replacement core.

B2B Supply

LeadTurbo supports B2B buyers with volume pricing for the 181998 4LE556 turbo core. Worldwide shipping is available for this 8 kg unit, packed in 21x23x26 cm cartons. Technical fitment support helps verify OEM references like 181999 and 185606. Contact our team to confirm application details and secure competitive rates for fleet or rebuild orders.