4027351 HX82 Turbocharger Core for ONAN 900 DFHC & CUMMINS QST30

The 4027351 HX82 turbocharger core is an aftermarket replacement assembly designed for ONAN 900 DFHC and CUMMINS QST30 generator applications. This unit supports B2B repair and rebuild workflows, with technical fitment support available to verify part number, engine code, and OEM reference numbers before ordering.

Key Specifications

• Part Number: 4027351
• Product Type: Turbocharger Core (CHRA)
• Turbo Model: HX82
• Gross Weight: 18 kg
• OEM Reference Numbers: 19 references, including 3592520, 3593020, and 3594190
• Application Clues: ONAN 900 DFHC, CUMMINS QST30 1341HP
• Image Availability: High-resolution studio photography provided

This core assembly features a central bearing housing with visible oil ports, a turbine wheel with curved blades, and a compressor wheel. The unit includes a large circular compressor housing flange and a turbine housing flange with bolt holes. Machined metal surfaces have a dark grey finish. Verify these physical characteristics against your specific unit configuration before ordering.

Application & Compatibility

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

• ONAN > 800 DFHC > 900 DFHC > 900 DFHC Stationary diesel generator set > CUMMINS QST30 1341HP
• ONAN > 1500DQKB > 1650DQKC > 1800DQKD generator sets > 1800DQKD generator sets Genset > CUMMINS QSKV60 2146HP

This HX82 core is listed for ONAN 800 DFHC and 900 DFHC stationary diesel generator sets, specifically those equipped with CUMMINS QST30 1341HP engines. It is also associated with ONAN 1500DQKB, 1650DQKC, and 1800DQKD generator sets using CUMMINS QSKV60 2146HP engines. These application paths serve as reference clues for fitment verification. Buyers should confirm the specific engine code, generator model, and turbo configuration against their unit before ordering. Cross-check the 19 associated OEM reference numbers, such as 3592520, 3593020, and 3594190, to ensure the 4027351 part number matches your existing assembly. Technical fitment support is available to assist with these verification steps.

Technical Notes

The HX82 core assembly features a central bearing housing with visible oil ports, flanked by turbine and compressor wheels with curved blades. The unit includes a large circular compressor housing flange and a turbine housing flange with bolt holes, finished in machined metal with a dark grey appearance. Buyers should inspect the wastegate flapper valve seating for free movement and check the bypass port diameter in the turbine housing for debris. Additionally, verify the compressor cover inlet bellmouth design against your specific unit configuration. These visual and mechanical checks help confirm the 4027351 part number matches your existing assembly before ordering.

B2B Supply

LeadTurbo supports B2B buyers, repair shops, and distributors with volume pricing and worldwide shipping for the 4027351 HX82 core. Technical fitment support is available to verify part numbers, engine codes, and OEM reference numbers against your specific ONAN or CUMMINS application. Inquire for bulk order details and pre-shipment inspection options to ensure the correct assembly is dispatched for your rebuild or replacement workflow.