3768413 HX55W Turbocharger Core for Cummins QSM11

This aftermarket replacement CHRA core, part number 3768413, is designed for HX55W turbochargers used in Cummins QSM11, QSM2, QSM3, and M11 engines. It serves as an aftermarket replacement application for units referencing OE numbers such as 4032690 and 4037627, helping buyers restore turbocharger function with verified fitment support.

Key Specifications

This HX55W turbocharger core assembly is identified by part number 3768413. It serves as a replacement CHRA unit for Cummins engine applications. The gross weight is 8kg, indicating a substantial cast housing and internal rotor assembly. Buyers should verify the physical dimensions against their existing unit. This core supports rebuild projects for heavy-duty diesel engines. Ensure the shaft and bearing surfaces are reviewed before installation upon arrival. Proper handling prevents damage to precision components.

Application & Compatibility

Source application path clues for buyer verification. These are source category/application paths, not confirmed fitment claims:

• CUMMINS > CUMMINS QSM2 QSM3 M11 QSM11
• CUMMINS > CUMMINS VARIOUS > CUMMINS QSM2 QSM3

This core is listed for Cummins QSM11, QSM2, QSM3, and M11 engine applications. It serves as a replacement reference for HX55W turbocharger units. Buyers should verify their specific engine serial number and turbo configuration before ordering. Fitment depends on exact engine model and production year. Confirm that the turbine housing flange and bolt pattern match your existing unit. Use the provided OEM reference numbers to cross-check compatibility with your vehicle's service manual. Verification prevents installation errors and ensures correct part selection.

Technical Notes

This HX55W core assembly supports standard turbocharger rebuild procedures for Cummins diesel engines. Inspect the shaft and bearing surfaces for wear or scoring before installation. Ensure all oil passages are clean to maintain proper lubrication and prevent premature failure. Verify that the nozzle ring and turbine housing match the original unit specifications. Proper alignment during assembly is critical for balanced operation. Consult your service manual for specific torque values and clearances. This core is intended for professional rebuild applications only.

B2B Supply

LeadTurbo supports B2B buyers with volume pricing for the 3768413 HX55W core. Worldwide shipping is available for this 8kg unit. Our technical team provides fitment support to verify OEM references like 4032690. Contact us for bulk order details and fast dispatch options.