4039126 NRA Nozzle Ring Assy for Cummins ISL HE431V Turbocharger

This aftermarket Nozzle Ring Assy FOR 4039126 NRA serves as a replacement component for Cummins ISL HE431V turbochargers. Designed for variable-geometry applications, it supports multiple OEM reference numbers to assist repair shops and fleet managers in identifying the correct part for their specific engine configuration.

Key Specifications

This Nozzle Ring Assy is identified by part number FOR 4039126 NRA and serves as a replacement component for HE431V turbochargers. The unit is designed for Cummins ISL engine applications, supporting variable-geometry turbocharger configurations. Key physical specifications include a gross weight of 1.2 kg and compact packing dimensions of 17x17x21 cm, facilitating efficient storage and shipping. This component references multiple OEM numbers, including 4034029 NRA and 4034044 NRA, to assist buyers in verifying fitment. Always confirm the specific turbo model and engine code before ordering to ensure correct application.

Application & Compatibility

This Nozzle Ring Assy is listed for Cummins ISL engine applications, specifically supporting HE431V turbocharger configurations. The part number FOR 4039126 NRA serves as the primary identifier for this replacement component. Buyers should verify their specific engine code and vehicle application against the provided OEM reference numbers to ensure correct fitment. This component is associated with multiple reference numbers, including 4034029 NRA and 4034044 NRA, which help confirm the correct part for your specific turbocharger setup. Always cross-check these references with your existing unit before ordering to avoid installation issues.

Technical Notes

The HE431V is a variable-geometry turbocharger where the nozzle ring assembly plays a critical role in managing exhaust gas flow. This component adjusts turbo detailsing to optimize turbine efficiency across different engine speeds. Proper function requires precise alignment with the actuator and turbine housing. Inspect the ring for cracks or excessive wear before installation. Ensure the mating surfaces are clean to prevent air leaks. Verify that the specific VNT configuration matches your engine requirements.

B2B Supply

LeadTurbo supports B2B buyers with volume pricing and worldwide shipping for this Nozzle Ring Assy. Technical fitment support is available to verify part number FOR 4039126 NRA against your specific HE431V turbocharger configuration. Contact our team with your engine details or OEM reference numbers to receive a fast quotation. We assist repair shops and distributors in confirming correct replacement applications before shipment.