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3990066 HX40 Turbocharger for ONAN DGEA 125kW Gensets
Aftermarket HX40 turbocharger, part 3990066, for ONAN DGEA/DGEB gensets with Cummins 6CT-G2 engines. Verify OEM reference numbers and engine application before ordering.
Orders without stock ship approximately 60 days after ordering. Estimated ship date if ordered today: .
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3595507 3595508 4037704 4046109Subtotal: US$ 155.00
Send an InquiryThis aftermarket HX40 turbocharger, part number 3990066, is a replacement unit for ONAN DGEA and DGEB gensets equipped with Cummins 6CT-G2 engines. It serves as a reference application for 110 kW and 125 kW generator sets, with OEM reference numbers 3595507, 3595508, 4037704, and 4046109 available for fitment verification before ordering.
Key Specifications
Part number 3990066 identifies this HX40 turbocharger assembly. It is an aftermarket replacement unit for ONAN DGEA and DGEB gensets powered by Cummins 6CT-G2 engines. The unit features a polished compressor housing and a cast turbine housing with a rectangular mounting flange. Packing dimensions are 21 x 23 x 26 cm, with a gross weight of 15 kg. Four OEM reference numbers are listed for verification: 3595507, 3595508, 4037704, and 4046109. Buyers should confirm these references against their specific generator model and engine configuration before ordering.
Application & Compatibility
Source application path clues for buyer verification. These are source category/application paths, not confirmed fitment claims:
- ONAN > DGEA > 110DGEA (50 Hz, 110 kW) > 125DGEA (60 Hz, 125 kW) > 125DGEA (60 Hz, 125 kW) Genset > CUMMINS 6CT-G2
- ONAN > DGEB > 110DGEB (50 Hz, 110 kW) > 125DGEB (60 Hz, 125 kW) > 125DGEB (60 Hz, 125 kW) Genset > CUMMINS 6CT-G2
This HX40 turbocharger is listed for ONAN DGEA and DGEB gensets equipped with Cummins 6CT-G2 engines. It serves as a replacement application for 110 kW and 125 kW generator sets. Verify the following application paths and OEM reference numbers against your specific unit before ordering:
- ONAN DGEA: 110DGEA (50 Hz, 110 kW) and 125DGEA (60 Hz, 125 kW)
- ONAN DGEB: 110DGEB (50 Hz, 110 kW) and 125DGEB (60 Hz, 125 kW)
- Engine: Cummins 6CT-G2
Confirm part number 3990066 and OEM references 3595507, 3595508, 4037704, or 4046109 with technical support to ensure correct fitment.
Technical Notes
The HX40 turbocharger assembly features a polished compressor housing and a dark grey cast turbine housing. Visible features include a rectangular mounting flange with four bolt holes and dual exhaust ports on the turbine side. Oil feed and drain ports are located on the center section. Buyers should verify the mounting flange orientation and port alignment against the existing exhaust manifold before installation. Confirm that the compressor inlet is clean and free of debris. Technical support can assist in matching the unit to specific ONAN DGEA or DGEB genset configurations.
B2B Supply
LeadTurbo supports B2B buyers, repair shops, and distributors with volume pricing and worldwide shipping for the 3990066 HX40 turbocharger. Technical fitment support is available to verify part number 3990066, Cummins 6CT-G2 engine codes, and OEM reference numbers such as 3595507 or 4037704 before ordering. Contact our team to confirm application details for ONAN DGEA or DGEB gensets and request a quote for bulk orders.
Product FAQ
DGEA and other product, brand and model names are the property of their respective owners and are used for reference and application-lookup only. LeadTurbo is not affiliated with or endorsed by DGEA.
Compatibility Verify part number 3990066, engine code (Cummins 6CT-G2), generator model (ONAN DGEA/DGEB), and OEM reference numbers (3595507, 3595508, 4037704, 4046109) before ordering. Confirm production year and turbo configuration with technical support.
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Complete Turbo Units
Complete turbo units designed for rigorous heavy-duty use where OEM units may fall short.
CHRA / Core Assemblies
Brand-new compatible CHRA cores — like-new performance at a fraction of replacement cost.
Turbine Wheels & Shafts
Precision-balanced turbine shafts engineered from inside out for superior durability.
Turbine Housings
Silicon-molybdenum (Si-Mo) nodular cast iron — engineered for extreme heat resistance.
Compressor Housings
OEM-matched geometry and surface finish — advanced casting and machining for perfect fitment.
Bearing Housings
Rock-solid platform engineered for high-output rebuilds — the foundation for performance.
Compressor Wheels
Aluminum, stainless steel, or titanium alloys — precision machined for superior responsiveness.
