4309078NX / 5492621RX HE551V Turbocharger for Cummins ISX15 14.9L Engine

Aftermarket HE551VE Turbocharger for Cummins ISX15 14.9L – Replaces 4309078NX / 5492621RX

Restore power and performance to your Cummins ISX15 14.9L engine with this brand-new aftermarket HE551VE turbocharger. Designed as a direct bolt-on replacement, this unit matches the performance and specifications of original OEM models—including part numbers 4309078NX, 5492621RX, and many others.

Built to handle the rigorous demands of heavy-duty applications, this turbo features precision-balanced components, improved durability, and enhanced throttle response to keep your engine running efficiently—without the hassle of a core return.

✅ Key Features:

• Brand-New Unit – No Core Charge Required

• Turbo Model: HE551VE (Variable Geometry)

• Engine Compatibility: Cummins ISX15 14.9L

• Direct Replacement for OEM Parts

• Durable Design for On-Highway and Off-Highway Use

• Improved Boost Pressure & Engine Efficiency

🔧 OEM & Interchange Part Numbers:

• Primary Replacements: 4309078NX, 5492621RX, 4309078RX, 5495621

• Additional Interchange Numbers:
  100-052-000, 2881789, 4956014, 4955801, 5495611, 4048098, 5350518, 5350591, 3795165, 2882000, 2836365, 2838150, 2840533, 3767633, 3774642, 3792785, 3792795

🔁 Cross Reference Numbers Include:

2836364, 2838149, 2840531, 2881789NX, 2882000NX, 3767612, 3767633, 3774604, 3774642, 3792775, 3792795H, 3792795HX, 4048097, 4955801RX, 4956014RX, 5355397, 5355403, 5495611H, and many more.

📦 Application:

• Engine Model: Cummins ISX15 14.9L

• Turbo Model: HE551VE

• Use Cases: Long-haul trucks, industrial applications, construction equipment, and more.

📞 Need Help Confirming Fitment?

Contact our technical support team with your engine serial number or OEM reference, and we’ll make sure you get the right turbo the first time.