4039918 HX40W Turbocharger Replacement for CUMMINS ISC
4039918 HX40W turbocharger for CUMMINS ISC engines. Aftermarket replacement application for Freightliner, Ford, and Kenworth. Verify part number and OEM references before ordering.
Orders without stock ship approximately 60 days after ordering. Estimated ship date if ordered today: .
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4039919 4089931This 4039918 HX40W turbocharger is an aftermarket replacement unit designed for CUMMINS ISC engines in heavy-duty trucks and school buses. It serves as an aftermarket replacement application for Freightliner, Ford, Kenworth, and Blue Bird vehicles, with OEM reference numbers 4039919 and 4089931 available for fitment verification.
Key Specifications
- Part Number: 4039918
- Product Type: Turbocharger
- Turbo Model: HX40W
- Engine Application: CUMMINS ISC
- Packing Dimensions: 26*30*33 cm
- Gross Weight: 16 kg
- OEM Reference Numbers: 4039919, 4089931
- Image Availability: Not available
These specifications support initial identification and fitment verification. Buyers should cross-check the part number and OEM references against their specific vehicle service records to ensure the correct HX40W configuration is selected for their CUMMINS ISC engine application.
Application & Compatibility
Source application path clues for buyer verification. These are source category/application paths, not confirmed fitment claims:
- Freightliner > CUMMINS ISC
- Blue Bird > CUMMINS ISC
- FORD > CUMMINS ISC
- Kenworth > T300; T370 > T300; T370 Medium-duty truck > CUMMINS ISC
- Thomas Built Buses > Saf-T-Liner HDX; Saf-T-Liner MVP EF; Saf-T-Liner MVP ER > Saf-T-Liner HDX; Saf-T-Liner MVP EF; Saf-T-Liner MVP ER School bus > CUMMINS ISC
- VOLKSWAGEN > CUMMINS ISC
This HX40W turbocharger is listed for CUMMINS ISC engine applications in heavy-duty trucks and school buses. Reference applications include Freightliner, Ford, Kenworth T300/T370, Blue Bird, and Thomas Built Buses. Buyers should verify the specific vehicle model, production year, and engine configuration against their service records. Cross-check OEM reference numbers 4039919 and 4089931 to confirm the correct HX40W configuration for your unit. Technical fitment support is available to assist with verification before ordering.
Technical Notes
The HX40W is a fixed-geometry turbocharger commonly associated with CUMMINS ISC engine applications. Technical verification should focus on the turbine housing inlet flange, compressor outlet diameter, and mounting bolt patterns. Buyers should confirm that the existing exhaust downpipe and intercooler piping align with the HX40W physical dimensions. Cross-check OEM reference numbers 4039919 and 4089931 against your service records to ensure the correct configuration is selected. Technical fitment support is available to assist with these verification steps before ordering.
B2B Supply
LeadTurbo supports B2B buyers, repair shops, and distributors with volume pricing and worldwide shipping for the 4039918 HX40W turbocharger. Technical fitment support is available to assist with verifying part numbers, engine codes, and OEM reference numbers before ordering. For fleet or bulk inquiries, contact our team to discuss specific requirements and shipping options. Verify all application details to ensure the correct HX40W configuration is selected for your CUMMINS ISC engine.
Product FAQ
OTHER 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 OTHER.
Compatibility Verify part number 4039918, engine code CUMMINS ISC, vehicle application, production year, and OEM reference numbers 4039919 or 4089931 before ordering. Confirm turbo configuration and mounting details for your specific application.
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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.