FOR 4039126 NRA Nozzle Ring Assy for Cummins ISL HE431V Turbocharger

This aftermarket Nozzle Ring Assy, referencing part number FOR 4039126 NRA, serves as a replacement component for HE431V turbochargers in Cummins ISL engine applications. Designed for B2B buyers and repair shops, this unit supports variable geometry turbo systems with technical fitment guidance and volume pricing options.

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 turbo systems. Key specifications include a gross weight of 1.2 kg and compact packing dimensions of 17x17x21 cm. This part references multiple OEM numbers, including 4034029 NRA and 4034044 NRA, to assist buyers in verifying fitment. Technical fitment support is available to confirm specific application requirements before ordering.

Application & Compatibility

This Nozzle Ring Assy is listed for Cummins ISL engine applications, specifically within HE431V turbocharger assemblies. The part references numerous OEM numbers, including 4034029 NRA and 4034044 NRA, to assist in identifying the correct replacement component. Buyers should verify the vehicle VIN, engine serial number, and existing turbo model against these reference numbers. Confirming specific housing dimensions and VNT configuration with your technical team ensures proper fitment for your application.

Technical Notes

The HE431V is a variable geometry turbocharger, where the nozzle ring assembly plays a critical role in directing exhaust gas flow. This component adjusts turbo detailss to optimize turbine efficiency across different engine speeds. Proper function helps maintain boost pressure stability and reduces lag during acceleration. Inspect the ring for cracks, warping, or carbon buildup before installation. Ensure smooth movement of the actuator related hardware to prevent binding. Verify that the nozzle ring matches the specific housing dimensions of your HE431V unit to avoid operational issues.

B2B Supply

LeadTurbo supports B2B buyers with volume pricing for this Nozzle Ring Assy. Worldwide shipping is available for efficient delivery to repair shops and distributors. Our team provides technical fitment support to help verify part numbers and OEM references before ordering. Contact us with your engine details and required quantities to receive a competitive quotation for your HE431V replacement needs.