4309099 HE300FG Turbocharger Core for CUMMINS ISF EURO 5

This aftermarket FOR 4309099 HE300FG Core is a replacement turbocharger core designed for CUMMINS ISF EURO 5 bus applications. It serves as a reference application for buyers verifying fitment against OEM reference numbers 3770051 and 3770052 before ordering.

Key Specifications

• Part Number: FOR 4309099
• Product Type: Turbocharger Core (CHRA)
• Turbo Model: HE300FG
• Application Clue: CUMMINS ISF EURO 5 (CTT Bus)
• OEM Reference Numbers: FOR 3770051, FOR 3770052, FOR 3770052H

This core is listed for CUMMINS ISF EURO 5 bus applications. Verify the turbine housing flange type, bolt pattern, and compressor housing A/R ratio against your existing unit. Confirm the engine code and turbo configuration with technical support before ordering to ensure the HE300FG core matches your specific fleet requirement.

Application & Compatibility

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

• CUMMINS > CUMMINS (CTT) BUS > CUMMINS ISF EURO 5

This HE300FG core is listed for CUMMINS ISF EURO 5 bus applications, specifically within the CUMMINS (CTT) BUS category. Buyers should verify the engine code and turbo configuration against their specific fleet requirements. The application is associated with OEM reference numbers 3770051, 3770052, and 3770052H. Confirm these references and the turbine housing flange type before ordering. For twin-turbo or bi-turbo setups, verify the specific turbo position and housing orientation. Technical fitment support is available to assist with these verification steps.

Technical Notes

The HE300FG core is a fixed-geometry turbocharger component. Typical configurations for this model series may include specific turbine and compressor housing dimensions; verify the exact A/R ratio and flange orientation against your existing unit. Do not assume universal fitment across all CUMMINS ISF EURO 5 variants. Confirm the turbine housing bolt pattern and compressor inlet size before installation. Technical fitment support is available to assist with these verification steps for your specific fleet application.

B2B Supply

LeadTurbo supports B2B buyers, repair shops, and fleet parts distributors with volume pricing for bulk orders of the FOR 4309099 HE300FG Core. Worldwide shipping is available for international destinations. Technical fitment support is provided to help verify engine codes, turbo configurations, and OEM reference numbers 3770051/3770052 before ordering. Contact our sales team for a quote based on your required quantity and specific CUMMINS ISF EURO 5 application.