What MFD capacitor do I need for my Goodman AC?

The correct replacement for Goodman model GMPV075-3 — B94575500 is this exact part. It is the factory-specified replacement with exact OEM specifications. Using a part with different specifications can cause equipment damage or void your warranty. You can verify this by checking the data plate on your Goodman equipment which lists the model number GMPV075-3 — B94575500.

My AC hums but will not start. What part do I need?

An AC that hums but will not start is the classic symptom of a failed capacitor. The capacitor provides the electrical boost needed to start the compressor and fan motors. When it fails, you hear the hum of the motor trying to start but it cannot overcome inertia. Other symptoms include the fan spinning slowly, the AC cycling on and off rapidly, or a visibly swollen or leaking capacitor. Replacement cost: $15 to $80 for the part, DIY in 30 minutes.

Is this capacitor compatible with Bryant or Payne systems too?

Many Goodman parts are cross-compatible with Bryant and Payne systems since all three brands are manufactured by Carrier Global Corporation. The same physical part is often used across multiple brand labels with different model numbers. To verify cross-compatibility, check your Bryant or Payne equipment service manual for cross-compatible part numbers, or contact info@nationalhvacparts.com with your model number for confirmation.

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Goodman

OEM Goodman 40/5 MFD 370V Dual Run Capacitor for GMPV075-3 — B94575500

Name: OEM Goodman 40/5 MFD 370V Dual Run Capacitor for GMPV075-3 — B94575500
Brand: Goodman
SKU: GOODMAN-12130
Price: 19.95 USD
Availability: InStock

SKU: GOODMAN-12130 Brand: Goodman

$19.95 $26.95

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Goodman B94575500 Dual Run Capacitor (40/5 MFD, 370V)

The genuine Goodman B94575500 is a dual run capacitor rated at 40/5 MFD and 370 VAC, designed to support both the compressor and condenser fan motor on compatible Goodman and Amana HVAC systems. When a unit fails to start, hums, or trips the breaker, a failed run capacitor is one of the most common culprits — and one of the most affordable fixes.

Specifications

Capacitance: 40/5 MFD (microfarads)
Voltage: 370 VAC
Type: Dual round run capacitor
OEM Part Number: B94575500
Terminals: Quick-connect spade

OEM vs. Generic

This is a genuine Goodman OEM capacitor, built to the manufacturer's exact capacitance tolerance and voltage rating. Generic capacitors are cheaper but often drift out of tolerance sooner, shortening motor and compressor life. For a component this inexpensive, OEM is the smart long-term choice.

Installation Difficulty: Easy

Rated Easy for qualified technicians (15–20 minutes). Warning: capacitors store a lethal charge — always discharge safely and cut power at the disconnect before servicing. If you are not comfortable working around energized HVAC components, hire a licensed technician.

Shipping Information

Orders placed before 3PM CST ship same business day
Standard delivery: 2-5 business days
Express shipping available at checkout
Free shipping on orders over $75
Tracking number emailed upon shipment

Return Policy

30-day returns on unused parts in original packaging
Electrical parts (capacitors, contactors, control boards) are final sale once installed
Email info@nationalhvacparts.com to initiate a return
Refunds processed within 5-7 business days

OEM Goodman 40/5 MFD 370V Dual R...

$19.95

Frequently Asked Questions

Does this Capacitor fit my Goodman GMPV075-3 — B94575500?

Yes. This is the factory-specified OEM capacitor for the Goodman GMPV075-3 — B94575500. It is a direct drop-in replacement that fits without modification. Always verify the model number on your equipment nameplate before ordering.

How do I replace the capacitor on my Goodman GMPV075-3 — B94575500?

Difficulty: Easy (20–30 min)
Step 1: Turn off power at breaker. Step 2: Open condensing unit panel. Step 3: Photograph the old capacitor wiring (Common/Herm/Fan). Step 4: Discharge old capacitor with insulated screwdriver. Step 5: Disconnect and remove old capacitor. Step 6: Mount new capacitor, reconnect wires to matching terminals. Step 7: Close panel, restore power, test. Tools: screwdriver, needle-nose pliers.

My AC hums but won’t start. What part do I need?

An AC that hums but won’t start is the classic symptom of a failed capacitor. The capacitor provides the electrical boost to start the compressor. When it fails, you hear humming but the motor can’t overcome inertia. Other symptoms: fan spinning slowly, AC cycling on/off rapidly, or a visibly swollen capacitor. Fix: replace capacitor ($15–$80 DIY, 30 min).

Is this capacitor compatible with Bryant or Payne too?

Many Goodman parts are cross-compatible with Bryant and Payne since all three brands are manufactured by Carrier Global Corporation. The same physical part is often used across brand labels with different model numbers. To verify: check your Bryant or Payne equipment service manual for cross-compatible part numbers, or email info@nationalhvacparts.com with your model number.

Should I use OEM or aftermarket for my Goodman capacitor?

OEM strongly recommended. OEM capacitors have ±6% MFD tolerance vs aftermarket ±10%. The looser tolerance causes motor winding stress, higher temps, and shorter compressor life. Price difference is only $10–$20 — OEM is the clear value choice.

How fast does National HVAC Parts ship?

Orders placed before 3:00 PM CST ship the same business day. Standard delivery is 2–5 business days anywhere in the continental United States. Express shipping available at checkout. We ship from Houston, TX to all 50 states. 30-day return policy on all parts.

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