4955659 HX40W Turbocharger Replacement for CUMMINS 6C ISC

This aftermarket 4955659 HX40W turbocharger is a replacement unit for CUMMINS 6C ISC engines. It serves as a reference application for Freightliner, Kenworth, and Peterbilt heavy-duty trucks, as well as Blue Bird and Thomas Built Buses vocational vehicles. Verify your specific engine configuration and OEM reference numbers before ordering.

Key Specifications

• Part Number: 4955659
• Product Type: Turbocharger
• Turbo Model: HX40W
• Packing Dimensions: 26 x 30 x 33 cm
• Gross Weight: 16 kg
• Representative OEM Reference Numbers: 4044173, 4044991, 4044992, 4044993, 4044994, 4044995, 4044996, 4044997

These specifications help buyers verify the physical unit and match it against their maintenance records. Confirm the part number and OEM references against your specific vehicle configuration before placing an order.

Application & Compatibility

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

This HX40W turbocharger is listed for CUMMINS 6C ISC engines in heavy-duty and vocational applications. Reference application paths include:

• Freightliner > CUMMINS 6C ISC
• Blue Bird > CUMMINS 6C ISC
• Kenworth > CUMMINS 6C ISC
• Peterbilt > CUMMINS 6C ISC
• Sterling > Acterra; A-Line > L-Line > L-Line Medium-duty > vocational truck > CUMMINS 6C ISC
• Thomas Built Buses > Saf-T-Liner HDX > Saf-T-Liner HDX School bus > CUMMINS 6C ISC
• Freightliner
• Blue Bird
• Kenworth
• Peterbilt
• Sterling Acterra; A-Line L-Line Medium-duty vocational truck
• Thomas Built Buses Saf-T-Liner HDX School bus

These paths serve as verification clues. Confirm your specific vehicle model, production year, and emission standard. Match the part number 4955659 against OEM reference numbers 4044173, 4044991, 4044992, 4044993, 4044994, 4044995, 4044996, and 4044997. Verify fitment with technical support before ordering.

Technical Notes

The HX40W is a fixed-geometry turbocharger commonly used in medium-duty diesel applications. This unit is associated with CUMMINS 6C ISC engines, where it supports the specific airflow and boost requirements of these powerplants. Buyers should verify the exact turbo configuration against their maintenance records, as emission-standard variants may require different internal components. Confirm the part number 4955659 and OEM references such as 4044173 or 4044991 to ensure the correct unit is selected for your specific vehicle application.

B2B Supply

LeadTurbo supports B2B buyers, repair shops, and fleet parts distributors with volume pricing and worldwide shipping for the 4955659 HX40W turbocharger. Our technical fitment team helps verify part numbers, CUMMINS 6C ISC engine codes, and OEM reference numbers such as 4044173 and 4044991 before shipment. This service helps confirm the correct replacement unit for your specific vehicle application. Contact us for technical support or to request a quote for bulk orders.