Product Description
3558050X – QE338C CUMMINS COMPRESSOR
PART NUMBER(S):
Fleet Products: 3558050X | OE: 3558050X, 3558050, 3558018X, 3558018, 3558005X, 3558005, SS296C
DESCRIPTION:
Model: QE338C Cummins Compressor
Vehicles: Heavy trucks, semi trucks, 18 wheelers, commercial trucks
• Engine Compatibility: Cummins C-Series (B, C variants)
• Mounting Style: 2-Hole Flange Mount
• Cooling Method: Water Cooled
• Lubrication: Supplied by engine
• Drive: Engine Driven, Gear Drive
• Discharge Type: Threaded
• Shaft Type: 11-Tooth Spline, Thru-Drive
• Bore Diameter: 92.1mm
• Air Inlet Port: Left
• Air Outlet Port: Rear or Front (varies by orientation per application)
• CFM / Airflow Rate: 13.2–15.2 CFM (at 1250–3000 RPM)
• Governor Port: 1/8"-27 NPT (if present), No governor port on some models
• Water Port Size: 3/8" NPT
• Crankshaft Thread: M20 x 1.5
• Weight: 44–48lbs
• Cylinder Configuration: Single Cylinder
• Core Return: Required for remanufactured units
Applications:
The 3558050X – QE338C Cummins Compressor is designed for use in air brake systems for heavy trucks, semi trucks, 18-wheelers, and commercial vehicles. It is engineered for Cummins C-Series engines, including B and C variants, and supports through-drive for additional components such as power steering pumps. This compressor features a flange mount and is water-cooled, ensuring long-lasting durability and performance in demanding applications.
CROSS-REFERENCE(S):
3558050X, 3558050, 3558018X, 3558018, 3558005X, 3558005, SS296C, 3558052X, 3558072X, 3559568K, 3559576K, BN144Y, C-Series, QE296C, QE338C
A cross-reference listing means this part is a suitable replacement for the part numbers listed. Please confirm all ports and dimensions match your application before installing.
IMPORTANT INSTALLATION NOTES:
✔ Use all new installation gaskets to prevent leaks
✔ Remanufactured units require core return
✔ Governor port not included on some models; ensure external governor setup is compatible
✔ Verify CFM matches application (13.2–15.2)
✔ Verify flange mount and water cooling for engine compatibility
✔ Confirm 11-tooth spline and threaded front discharge port orientation
✔ Ensure air/water ports are clean and clear of debris
PICTURE USED FOR WEBSITE PURPOSE ONLY
SOLD AS REMANUFACTURED | CORE RETURN REQUIRED
Built to OEM standards | thoroughly cleaned, inspected, and tested to ensure durability, performance, and reliability in demanding applications.
SUPPORT & ORDERING
For technical support, installation guidance, or to confirm fitment, Call: 1-877-243-0442 | Email: sales@fleet-products.com
WHY CHOOSE FLEET PRODUCTS | KBR - HEAVY DUTY TRUCK & TRAILER PARTS?
- Canadian-owned and operated since 1985
- Trusted by fleets, mechanics, and B2B partners across North America
- Fast, reliable shipping across North America
- Competitive pricing with core return refunds
- Price Match Guarantee | Find a better price? We'll beat the difference by 10%!
