4030703 HX35G Turbine Housing Replacement for CUMMINS CNG

This aftermarket 4030703 turbine housing is a replacement component for HX35G turbochargers used in CUMMINS CNG engine applications. It serves as a reference part for commercial vehicles including Freightliner MT45/MT55 chassis, Blue Bird CSFE shuttle buses, and TATA Starbus models, supporting B2B buyers who require verified fitment for fleet maintenance and repair operations.

Key Specifications

• Part Number: 4030703
• Product Type: Turbine Housing
• Turbo Model: HX35G
• Application Clues: CUMMINS CNG engines in Freightliner MT45/MT55, Blue Bird CSFE, and TATA Starbus vehicles
• Packing: N/A
• Gross Weight: Not specified
• Image Availability: Not available
• OEM Reference Numbers: None listed

Verify part number 4030703 and HX35G turbo model against your vehicle’s service records. Confirm engine code and production year to ensure correct replacement application.

Application & Compatibility

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

• Freightliner > MT45 > MT55 walk-in van chassis > MT55 walk-in van chassis Truck > Step van chassis > CUMMINS CNG
• Blue Bird > CSFE Commercial Series > CSFE Commercial Series Transit > Shuttle Bus > CUMMINS CNG 232HP
• TATA > LPO 1623 > 63 RELE CNG Starbus > 63 RELE CNG Starbus Low-floor transit bus > CUMMINS CNG 231HP

Reference applications for this 4030703 HX35G turbine housing include Freightliner MT45/MT55 walk-in van chassis, Blue Bird CSFE Commercial Series shuttle buses, and TATA LPO 1623 Starbus models. These vehicles are associated with CUMMINS CNG engines, including 231HP and 232HP configurations. Buyers should verify the specific engine code, production year, and OEM reference numbers against their service records. Confirm that the HX35G turbo model matches the existing unit before ordering. This part is listed for replacement application in these commercial vehicle segments; verify fitment to ensure correct installation.

Technical Notes

The HX35G turbocharger model is associated with CUMMINS CNG engine applications, including 231HP and 232HP configurations found in commercial transit and shuttle vehicles. This turbine housing is a standalone replacement component; it does not include the compressor housing, CHRA, or actuator. Buyers should verify that the existing turbocharger on their vehicle matches the HX35G designation and confirm the specific CUMMINS CNG engine code. Since no OEM reference numbers are listed for this SKU, cross-check the part number 4030703 against your service records or existing unit markings to ensure correct identification before ordering.

B2B Supply

LeadTurbo supports B2B buyers with volume pricing and worldwide shipping for the 4030703 HX35G turbine housing. Our team provides technical fitment support to help verify part numbers, engine codes, and vehicle applications before ordering. Wholesale buyers can request consolidated shipments for mixed orders of turbine housings or other turbocharger components. Contact our sales team for current stock availability, packing details, and freight options tailored to your fleet maintenance needs.