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This genuine OEM blower motor (part number 1186863) is a 1/2 HP X-13 ECM motor for the ICP / Tempstar / Heil WPG4304060RKA1. The blower motor drives the indoor fan that circulates conditioned air through the ductwork on both heating and cooling cycles. X-13 is a constant-torque ECM (electronically commutated motor) design that runs far more efficiently and quietly than older PSC motors while holding steady airflow against changing duct static pressure. When a blower motor fails, you lose airflow entirely — leading to no heat or cool at the registers, overheating and limit trips on heating, and frozen coils on cooling. A worn motor may also run hot, make bearing noise, or cycle on its internal overload. Replacing it restores proper airflow and protects the rest of the system.
| Spec | Value |
|---|---|
| OEM Part Number | 1186863 |
| Type | X-13 Constant-Torque ECM |
| Horsepower | 1/2 HP |
| Application | Furnace / Air Handler Blower |
| Brand | ICP / Tempstar / Heil |
Direct-fit replacement for the ICP WPG4304060RKA1 and the Tempstar, Heil, and Comfortmaker units built on the same blower platform. Confirm horsepower, motor type, and shaft/mounting dimensions against your existing motor before installing.
Ships same day on orders placed before 3 PM CST. 30-day returns. Backed by the National HVAC Parts fitment guarantee.