Description
3558077X - QE338M MACK IN-LINE AIR BRAKE COMPRESSOR - REMANUFACTURED
PART NUMBER(S):
Fleet Products: 3558077X (Remanufactured) | Replaces OE: Holset / Cummins: 3558077
DESCRIPTION:
Model: Holset QE338M Quiet Economy Mack In-Line Air Brake Compressor
Vehicles: Mack E6 / E7 engine applications in heavy trucks, semi trucks, 18 wheelers, and commercial trucks
• Compressor Family: QE Quiet Economy
• Design: Single-cylinder air brake compressor
• Mounting: Flange mount
• Drive Type: Engine driven, gear drive
• Drive Configuration: Non-thru-drive
• Cooling Method: Water cooled
• Discharge Type: Threaded
• Head / Cover Material: Iron head / cover
• Includes: Intake valve retainer
• CFM Output: 15 CFM
• Required Dryer Line: 065647WL-G
Applications:
Used on Mack E6 / E7 engine applications requiring a Holset QE338M Quiet Economy in-line compressor with flange mounting, non-thru-drive configuration, threaded discharge, iron head / cover, and 15 CFM output. A specific 4-line air dryer 065647WL-G is required to work correctly with the QE compressor’s unloading and control requirements.
CROSS-REFERENCE(S):
3558077, 3558077X, 3558077RX, 065647WL-G
A cross-reference listing means this part may be a suitable replacement for the listed part numbers. Always verify fitment before installation.
IMPORTANT INSTALLATION NOTES:
✔ Verify Mack E6 / E7 fitment, QE338M model, flange mount, and non-thru-drive configuration before installation
✔ Match threaded discharge configuration to the original compressor setup
✔ Use required 4-line dryer 065647WL-G for QE compressor unloading and control requirements
✔ Use correct installation gaskets and seals during installation
✔ Verify air, oil, coolant, and dryer control lines are clean before startup
SOLD AS REMANUFACTURED | CORE RETURN REQUIRED
Built to OEM standards | thoroughly cleaned, inspected, and tested to ensure durability, performance, and reliability in demanding applications.
Warranty Information
