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PAI · Air System
940581
In stock · ships from Knoxville
This is a 318 cc single-cylinder air compressor for heavy‑duty truck air brake systems.
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Verified fitment for 3 applications
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All confirmed applications for this part number.
Other applications
Other applications
Commonly used on Mack Pinnacle, Granite, and other MP‑series powered trucks. Direct replacement for Mack OEM 20733974, Volvo 85116641, and Rockwell 9121420000. Exact model years not verified from sources.
Part data verified against 4 catalog sources
Numbers this part supersedes or interchanges with. Showing 12 of 12.
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It bolts to the engine and supplies compressed air for braking, suspension, and other pneumatic accessories. You replace it when the compressor no longer builds adequate pressure, leaks oil or air, or becomes excessively noisy. The PAI 940581 is an aftermarket replacement for several Mack, Rockwell, and Volvo OEM compressor part numbers.
Part Number: 940581
AIR COMPRESSOR /PAI
Vendor: PAI Industries
Dealer: KP Services Crossville
Compatibility, alternatives, and more
Parts commonly needed alongside air system
