Description

The Turbo HE551V Turbocharger (2881993RX / 3768263) is a precision-engineered replacement turbo designed for Cummins ISX and QSX15 diesel engines used in heavy-duty trucks and industrial applications. Built with variable geometry technology, this turbocharger delivers optimized airflow and consistent boost pressure throughout the engine’s RPM range. Manufactured with high-strength turbine and compressor components, precision-balanced rotating assembly, and a reliable bearing and seal system, the HE551V turbo provides dependable performance for long-haul transport, fleet operations, and demanding vocational applications. It directly replaces Cummins OEM turbos and restores factory boost levels, torque output, and throttle response. Whether used for maintenance replacements, engine rebuilds, or performance upgrades, this turbocharger delivers heavy-duty performance and extended service life. PRODUCT FEATURES & COMPONENTS HE551V variable geometry turbocharger assembly Precision-balanced turbine and compressor wheels Variable Geometry Turbo (VGT) mechanism for optimized boost Durable bearings and heavy-duty seals High-temperature turbine housing for heavy diesel duty Direct replacement for Cummins OEM turbos ENGINE COMPATIBILITY ✔ Cummins ISX diesel engines ✔ Cummins QSX15 diesel engines Replaces / Equivalent to OEM Part Numbers: • 2881993RX • 3768263 (Always verify engine model, year, and OEM reference before ordering.) VEHICLE & EQUIPMENT APPLICATIONS Suitable for: Heavy-duty on-highway trucks Long-haul freight tractors Commercial fleet vehicles Vocational and industrial diesel applications Heavy haul and construction trucks KEY FEATURES & BENEFITS ✔ Restores factory boost pressure and torque ✔ Improves throttle response and engine efficiency ✔ VGT technology reduces turbo lag and improves power delivery ✔ Heavy-duty construction for extended service life ✔ OEM-equivalent performance and fitment ✔ Suitable for fleet maintenance and engine rebuilds Frequently Asked Questions Which engines does this HE551V turbocharger fit? This turbocharger fits Cummins ISX and QSX15 diesel engines when the OEM reference matches 2881993RX or 3768263. Is this a direct replacement turbo? Yes, it replaces OEM turbochargers with part numbers 2881993RX and 3768263 without requiring major modifications. What is the advantage of a variable-geometry turbo? Variable Geometry Turbo (VGT) technology improves boost delivery across RPM ranges, reduces turbo lag, and enhances torque and fuel efficiency. Will this turbo improve engine performance? Yes, it restores factory boost and torque, improving throttle response and overall diesel engine performance. Is professional installation recommended? Yes, professional installation ensures correct fitment, calibration, and long-term reliability.