OEM Carrier Single Run Capacitor P291-1003 for Model GB1AAV060135AFJA
This is the factory-specified OEM single run capacitor (part number P291-1003) for the Carrier GB1AAV060135AFJA gas furnace. The run capacitor provides the sustained electrical phase shift needed to keep the blower motor running efficiently after startup. When this capacitor fails, the blower motor may hum without turning, run sluggishly, overheat, or trip on thermal overload — resulting in reduced airflow, comfort complaints, and potential motor burnout if left unaddressed.
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Specs: Single run capacitor | Factory-matched MFD rating | 370V or 440V rated (verify on unit data plate) | Round or oval case per OEM spec | ±5% tolerance for precise motor protection
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OEM vs Generic: This OEM unit is manufactured to Carrier's exact capacitance and voltage tolerances. Aftermarket capacitors often carry a ±10% MFD variance, which can cause the blower motor to draw excess current, shorten bearing life, and void equipment warranties.
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Install Difficulty: 2/5 — Always discharge the capacitor fully before handling terminals. Required tools: 1/4" nut driver, insulated needle-nose pliers, and a multimeter capable of capacitance testing. Photograph all wiring connections before disconnecting leads to ensure correct reassembly.
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Warranty & Shipping: Backed by a 1-year OEM factory warranty against defects. In stock and ships same business day from our warehouse — get your system back online fast.
Compatibility: Designed for the Carrier GB1AAV060135AFJA gas furnace blower motor circuit. Always cross-reference the MFD rating and voltage printed on your existing capacitor or the unit's data plate before ordering to confirm fitment. Not sure if this is the right part? Our HVAC parts specialists verify fitment before you buy — contact us before placing your order.