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PAI Industries · Air System
EM55410
In stock · ships from Knoxville
This is an aftermarket air dryer that removes moisture and contaminants from a heavy‑truck compressed‑air system, protecting brake valves and other downstream components.
Confirm the part fits before you buy. Applications and interchange numbers are researched and audited per part.
Verified fitment for 2 applications
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All confirmed applications for this part number.
Mack Trucks
Volvo Trucks
Mack Trucks
Volvo Trucks
Exact model years and chassis ranges were not fully verified from the sources; confirm fitment using the OEM part number 745‑800887 or 800887 against your truck’s build data.
Part data verified against 4 catalog sources
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It replaces the Bendix AD‑SP style dryer used on many Mack and Volvo trucks, with OEM cross‑reference numbers 745‑800887, 800887, and 065691. Replacement is typically needed when the desiccant cartridge is saturated, the purge valve fails, or excess moisture appears in the air tanks, which can lead to brake system freeze‑up or corrosion. The unit includes an integrated heater and thermostat to help prevent freezing in cold weather.
Part Number: EM55410
AIR DRYER, MAK745-800887
Unit: ea
Dealer: Knox Trailers
Compatibility, alternatives, and more
Parts commonly needed alongside air system
