Description
AIR SORCE 3946 – 12‑volt single‑shaft HVAC blower motor
Designed for heavy‑duty truck applications, specifically Kenworth models. It is used in the cab HVAC system to provide airflow for heating and air conditioning.
Specifications
– Shaft Type: Single shaft, 5/16″ diameter
– Shaft Length: 4.63″
– Motor Diameter: 3.50″
– Motor Length: 4.25″
– Rotation: Clockwise (FleetPride)
– Mount Type: Stud mount (1 mounting hole)
– Wires: 2‑wire connector included
– Application: Kenworth trucks
– Alternate Listing: MEI / Air Source 3946 (same part)
Cross-References / Interchangeable Part Numbers
Works as a direct replacement for a variety of OEM and aftermarket blower motor models:
OEM: 203142BSM (Kenworth/Peterbilt)
Aftermarket: 01‑1004 (Truck Air), 203364 (Bergstrom), 115‑5201 (Coolstar), multiple Fasco and Kysor equivalents (e.g., 2809‑550‑094R)
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