OEM Carrier Single Run Capacitor Kit 4 MFD + 15 MFD 370V for Model PY2PPB048130AA

This OEM-matched single run capacitor kit contains both factory-specified capacitors for the Carrier PY2PPB048130AA packaged unit — part numbers P291-0403 (4 MFD 370V) and P291-1503 (15 MFD 370V). Each capacitor stores and releases the electrical charge required to start and sustain dedicated motor windings. When either capacitor degrades or fails, you'll typically experience hard-starting motors, audible humming with no shaft rotation, intermittent tripping on thermal overload, or a system that short-cycles within minutes of startup. Replacing both at the same time is best practice — if one has failed, the other is likely near the end of its service life.

• Specs: P291-0403 — 4 MFD (microfarad) | 370V | Oval case | Single element | ±5% tolerance. P291-1503 — 15 MFD | 370V | Oval case | Single element | ±5% tolerance. Both rated for 50/60Hz systems.
• OEM vs Generic: OEM Carrier/Totaline capacitors are reliability-tested to 60,000 service hours per United Technologies application parameters and feature UL-approved pressure-sensitive interrupters. Generic capacitors often carry ±10% MFD tolerances, accelerating motor wear and increasing compressor stress over time.
• Install difficulty: 2/5 — Always discharge capacitors before handling using an insulated resistor or discharge tool. Tools needed: 1/4" nut driver, needle-nose pliers, multimeter (capacitance mode). Photograph all wiring before disconnecting terminals. Verify MFD and voltage markings on your unit's data plate before installation.
• Warranty & Shipping: 1-year OEM factory warranty on both capacitors. In stock — ships same business day from our warehouse.

Compatibility: This kit is factory-specified for the Carrier PY2PPB048130AA packaged unit. OEM part numbers covered: P291-0403 and P291-1503. Superseded replacements P291-0404 and P291-1504 are also cross-compatible where noted by Carrier. Always verify MFD and voltage ratings against your unit's data plate before ordering. Questions about fitment? Our HVAC parts specialists verify compatibility before you buy — contact us today.