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Cummins Header : OEM ASPFL-2323

CUMMINS HEADER : OEM ASPFL-2323

Shipping ICON

ORDERS PLACED BEFORE 3PM EST WILL SHIP SAME DAY

WARRANTY ICON

WARRANTY
1M MILES OR 1 YEAR

$765.00

AVAILABILITY IN STOCK
OEM NUMBERASPFL-2323
PART TYPEHeader
BRANDDuraWRX
ENGINE MAKECummins
ENGINE TYPE
YEAR
PART NUMBERASPFL-2323
APPLICATION NOTESElectrical Connector: Amp 1-1703818-1 Sensor Type: Digital (canbus) DEF Header Height (IN): 20
ADDITIONAL NOTESHeader, Freightliner, Conc, SAE, Cummins

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The DEF (Diesel Exhaust Fluid) tank header plays a vital role in the operation of emission systems by managing DEF flow, temperature, and level monitoring. The Cummins Header OEM ASPFL-2323 is specifically designed to ensure these functions are executed accurately and consistently. For vehicles using SCR (Selective Catalytic Reduction) technology, this header is an essential component that supports emission compliance and DEF delivery.

Key Functions of the Cummins DEF Tank Header OEM ASPFL-2323:

  • Monitors DEF Levels
    Accurately tracks DEF fluid volume to prevent system faults caused by low fluid.

  • Supports DEF Heating Systems
    Helps prevent freezing of DEF in colder climates, keeping the system operational.

  • OEM-Specific Fitment
    Built to integrate directly with Cummins systems requiring the ASPFL-2323 header, ensuring a proper connection.

  • Ensures Emission Compliance
    Works in coordination with sensors and dosing units to maintain proper DEF delivery for NOx reduction.

Headers are aftermarket exhaust components designed to improve the efficiency of how exhaust gases exit the engine. Unlike stock exhaust manifolds, which can be restrictive, headers are built to reduce back pressure and improve airflow. This results in noticeable gains in horsepower, torque, and overall engine responsiveness when installed and tuned correctly.

How Headers Contribute to Better Performance:

  • Improved Exhaust Flow – Headers help exhaust gases escape each cylinder through individual tubes, minimizing restriction.

  • Reduced Back Pressure – By optimizing the exhaust path, headers reduce back pressure, allowing the engine to "breathe" more easily.

  • Better Scavenging Effect – The design creates a vacuum-like effect that pulls exhaust out of the cylinders faster, increasing efficiency.

  • Increased Horsepower and Torque – More efficient exhaust flow leads to measurable power gains, especially at higher RPMs.

  • Enhanced Throttle Response – With less restriction, engines respond more quickly to acceleration input.

  • Potential Fuel Efficiency Gains – In some cases, better exhaust efficiency can lead to modest improvements in fuel economy.

Headers are a proven way to improve engine performance by optimizing exhaust flow and reducing energy loss. Whether you're looking for more power, smoother acceleration, or better fuel use, a properly installed header system can make a significant difference—especially when paired with other performance upgrades and tuning.

 

Coolant leaks, engine overheating, or erratic pressure readings may signal a failing header.

It is recommended to inspect the header during routine service intervals or when coolant issues arise.

It improves flow consistency and helps maintain stable engine operation under variable loads.

Yes, a clogged header can disrupt coolant flow, resulting in overheating or warning light triggers.

Cummins Headers