4027949 HX40W Turbocharger Core for Cummins Engines

This aftermarket 4027949 HX40W turbocharger core is a replacement component for Cummins QSL and QSC engine applications. It serves as a reference application for heavy-duty forestry equipment and transit buses, with 44 associated OEM reference numbers available for fitment verification.

Key Specifications

• Part Number: 4027949
• Product Type: Turbocharger Core (CHRA)
• Turbo Model: HX40W
• Gross Weight: 4 kg
• Representative OEM References: 4031325, 2839189, 3791823, 4033663
• Application Clues: Cummins QSL, QSC, and ISC8.3 engines; Tigercat L830/L870C forestry carriers; Case IH; Gillig and Nova Bus transit applications.

Verify your specific unit’s part number and engine code against these reference numbers before ordering. This core is supplied as an aftermarket replacement component for the listed heavy-duty and industrial applications.

Application & Compatibility

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

• Tigercat > 822 > L830; 860C > 870C > L870C forestry carriers > L870C forestry carriers Forestry equipment > feller buncher > CUMMINS QSL 280HP
• Case IH > CUMMINS QSC
• GILLIG CORPORATION > Gillig transit bus (specific model not established) > CUMMINS ISC 8.3
• NOVA BUS > LFS 40-ft (including BC Transit builds L215 and L236) > LFS 40-ft (including BC Transit builds L215 and L236) Transit bus > CUMMINS ISC8.3 CM850
• VOLKSWAGEN > CUMMINS 6CTAA
• Versatile > Versatile MFWD > Versatile MFWD 315 > Cummins QSL

This HX40W core is listed for reference applications across Cummins QSL, QSC, and ISC8.3 engines. Application clues include Tigercat L830/L870C forestry carriers, Case IH, Gillig and Nova Bus transit units, and Versatile MFWD 315. These paths serve as verification clues; confirm your specific unit’s part number, engine code, and OEM reference numbers before ordering. The 44 associated OEM references, including 4031325 and 2839189, help narrow fitment for heavy-duty and industrial fleets. Verify all details against your equipment manual or supplier technical support to ensure the correct replacement component is selected.

Technical Notes

The HX40W core is a heavy-duty component designed for high-output Cummins engines, including QSL, QSC, and ISC8.3 variants. It supports applications in forestry carriers, transit buses, and industrial equipment. Verify the specific engine displacement and horsepower rating against your unit’s service manual. Confirm that the turbine and compressor housing interfaces match your existing assembly. Cross-reference the 44 associated OEM numbers, such as 4031325 and 2839189, to ensure correct part selection. This core is supplied as an aftermarket replacement; verify all dimensions and mounting details before installation.

B2B Supply

LeadTurbo supports B2B buyers with volume pricing and worldwide shipping for the 4027949 HX40W core. Technical fitment support is available to help verify part numbers, engine codes, and OEM reference numbers before ordering. Contact our team for specific packing details, minimum order quantities, and distribution channel options. This service assists repair shops, rebuilders, and distributors in maintaining consistent inventory levels for heavy-duty and industrial applications.