Cummins L9 Turbo Assembly OEM 5551213RX (2021-2024) – High Performance Turbocharger


The Cummins L9 Turbo Assembly OEM 5551213RX provides OEM-grade performance, precise boost control, and durability for 2021–2024 Cummins L9 engines in heavy-duty trucks.

$9,137.25

Vin / Engine Serial Number

Please provide VIN / ESN for identification of correct parts

The Cummins L9 Turbo Assembly OEM 5551213RX is a high-performance turbocharger designed for 2021–2024 Cummins L9 engines. Built to meet OEM standards, it delivers precise fitment, consistent boost, and optimized airflow for heavy-duty diesel applications.

This turbo assembly improves engine efficiency, horsepower, torque, and fuel economy. Its high-quality construction allows it to withstand extreme temperatures, high pressures, and continuous heavy-duty use.

A key feature of the Cummins L9 turbo assembly is reduced turbo lag, which provides faster spool-up and smoother throttle response. Precision-balanced components ensure stable boost and reliable performance under heavy loads, lowering engine stress and emissions.

Durability is a standout advantage of the Cummins L9 Turbo Assembly OEM 5551213RX. Designed for long-term service, it resists wear, thermal stress, and corrosion. Fleet operators and truck owners benefit from reduced downtime, lower maintenance costs, and consistent engine performance.

Installation is simple with its direct OEM replacement design, providing proper fitment without modifications. By maintaining optimal air-fuel ratios, this turbo assembly reduces engine strain, improves fuel efficiency, and extends engine life.

For 2021–2024 Cummins L9 engines, the Cummins L9 Turbo Assembly OEM 5551213RX ensures OEM-grade reliability, high performance, and long-lasting durability.


Key Features & Benefits

  • OEM Cummins L9 Turbo Assembly 5551213RX
  • Compatible with 2021–2024 Cummins L9 engines
  • Improves horsepower, torque, and fuel efficiency
  • Reduces turbo lag and enhances throttle response
  • Precision-balanced for stable boost pressure
  • Heavy-duty construction for extreme operating conditions
  • Direct OEM replacement for easy installation
  • Supports emissions reduction and proper combustion

Engine Compatibility

  • Cummins L9 (2021–2024)

Vehicle Applications

  • Freightliner Cascadia
  • Western Star 4700, 5700
  • Kenworth T680, T880
  • Peterbilt 579, 567
  • Other heavy-duty trucks with L9 engines