Product Description
9121420000X - 85MM MACK COMPRESSOR – LONG HEAD – REMAN
PART NUMBER(S):
Fleet Products: 9121420000X (Remanufactured) | OE: 9121420000
DESCRIPTION:
Model: 85mm Mack Compressor – Long Head
Vehicles: Mack MP7 engine
• Type: Single-Cylinder, 85mm Compressor
• Bore: 85 mm
• Stroke: 56 mm
• Displacement: 318 cm³
• Head Type: Long Head
• Fittings (Head): Coolant: 3/8" NPT; Discharge: 1/2" NPT
• Function: Pressurizes air for actuation of air brakes
• Weight: Approx. 60 lbs
• Mounting: Flange mount
• Discharge Type: Flange
• Application: Mack MP7 engine, general heavy-duty truck applications
• Build: Remanufactured to OEM standards — disassembled, inspected, cleaned, tested
• Notes: Head type is long head, designed for ease of installation and long-term reliability
Applications:
Direct-fit replacement for Mack MP7 engines, used in a variety of heavy-duty trucks, semi trucks, and 18-wheelers. Ideal for pressurizing air for the actuation of air brakes.
CROSS-REFERENCE(S):
9121420000X, 9121420000, 9121140000, 9121120000, 9121120010, 20451727, 21353433, 702105AT
A cross-reference listing means this part should be a suitable replacement for the part numbers listed. Please confirm all dimensions match your application before installing.
IMPORTANT INSTALLATION NOTES:
✔ Verify compatibility with Mack MP7 engine before installation
✔ Ensure proper gasket and seal application during installation
✔ Water and air systems must be flushed prior to installation to avoid contamination
✔ Follow manufacturer’s torque specifications for secure mounting
✔ Remanufactured units undergo a thorough testing process for reliable performance
Meta Data
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
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