4089551 | Genuine OEM Cummins HE551V Turbocharger

The 4089551 Genuine OEM Cummins HE551V Turbocharger is designed to compress intake air and help provide the boost pressure required for diesel engine operation. This turbocharger supports engine performance and air delivery in compatible Cummins-powered vehicles and equipment. Verify exact engine compatibility before ordering.

PRODUCT INFORMATION

Part Number: 4089551
Brand: Cummins
Condition: Genuine OEM
Component: HE551V Turbocharger
Fuel Type: Diesel
Engine Applications: Exact engine applications have not been independently verified; confirm fitment using the original part number and engine information.
Other Important Specifications: HE551V turbocharger; exact specifications and configuration should be confirmed before purchase.

APPLICATIONS

The 4089551 Cummins HE551V Turbocharger is intended for compatible diesel engine configurations. Applications may vary by engine model, serial number, and equipment configuration. Confirm compatibility before installation.

FUNCTION

The HE551V Turbocharger uses exhaust gas energy to drive a turbine connected to a compressor, which increases the amount of air supplied to the engine. Proper turbocharger operation helps support boost pressure, combustion, and engine performance.

A worn, damaged, or failing HE551V turbocharger may cause symptoms such as:

• Reduced engine power or acceleration
• Low or inconsistent boost pressure
• Excessive exhaust smoke
• Unusual whining, grinding, or rattling noises
• Increased fuel consumption
• Oil leakage around the turbocharger

WHY REPLACE A HE551V TURBOCHARGER?

A faulty turbocharger can reduce engine performance and affect efficient engine operation. Replacing a damaged unit with the correct compatible turbocharger helps restore proper airflow and boost performance when the underlying issue is addressed.

FITMENT INFORMATION

Before purchasing the 4089551 HE551V Turbocharger, verify the part number, VIN (where applicable), engine model, engine serial number, and vehicle or equipment configuration. Turbocharger fitment may differ between engine versions, so confirm the exact application before ordering.
If you are unsure whether this part is correct for your vehicle, please contact us with your VIN and original part number. We are happy to help verify compatibility before purchase.

GENUINE CUMMINS PART

Part Number: 4089551