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Top-10 Ac Capacitor
Loved in the USA

Handpicked for quality & trusted by thousands of customers

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AMI PARTS
AMI PARTS

AMI PARTS SPP6 Hard Start Capacitor Replacement 115V Thru 288VAC Air Condtioning Units from 4,000 to 120,000(1/2 Thru 10H.P.),Increases Compressor Torque 500%

#1
Top Rated in the USA
VEXUNGA 45
VEXUNGA

VEXUNGA 45 5 uF 45+5 MFD 370V or 440V Dual Run Start Round A C Capacitor 45 5 uF 370 440 Volt VAC CBB65B Air Conditioner Capacitors for AC Unit Fan Motor Start or Heat Pump or Condenser Straight Cool

10%OFF

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9.8
5 392 reviews

Item still has Pre-Tariff price

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1 282 bought in past month

Sponsored

AMI PARTS
AMI PARTS

AMI PARTS SPP6 Hard Start Capacitor Replacement 115V Thru 288VAC Air Condtioning Units from 4,000 to 120,000(1/2 Thru 10H.P.),Increases Compressor Torque 500%

#2
VEXUNGA 7.
VEXUNGA

VEXUNGA 7.5uF 370 440VAC 50 60Hz CBB65 CBB65A Oval Run Start Capacitor 7.5 MFD 370V 440V Air Conditioner Capacitors for AC Unit Fan Motor Start or Pool Pump or Air Condenser Straight Cool

Fast Delivery
9.6
5 392 reviews

Solid Value from a Trusted Brand

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1 180 bought in past month
Last Purchases
A***a
Portland, OR
3d ago
Vi***or
Los Angeles, CA
3d ago
Ha***er
San Diego, CA
6h ago
#3
[2025 Upgr
BlueStars

Born in the USA

[2025 Upgraded] BlueStars 270-324 Mfd uF 110-125VAC Round Motor Start Capacitor 50 60 Hz AC Electric Replacement Part - Lifetime up to 30.000 Hours

Fast Delivery
9.3
1 948 reviews

Solid Value from a Trusted Brand

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1 078 bought in past month
Excellent value for the quality you get.
SophiaDenver, CO
#4
BlueStars
BlueStars

Born in the USA

BlueStars 108-130 uf MFD 110-125 VAC ±20% Volts Round Start Capacitor 50 60 Hz AC Electric Replacement Part - Exact Fit for Single-Phase Electric Motors

Fast Delivery
9.0
1 948 reviews

Solid Value from a Trusted Brand

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976 bought in past month
Curated products trusted bytrust us brands
#5
QYCKFIXR A
QYCKFIXR

QYCKFIXR AC Capacitor 45+5 uF 45 5 MFD ±6% 370V 440VAC CBB65 Dual Run Circular Start Capacitor for Heat Pump Air Conditioner,Ten Years of Coverage

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8.7
80 reviews

Solid Value from a Trusted Brand

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874 bought in past month
#6
BlueStars
BlueStars

Born in the USA

BlueStars 108-130 uf MFD 220-250 VAC ±20% Volts Round Start Capacitor 50 60 Hz AC Electric Replacement Part - Exact Fit for Single-Phase Electric Motors

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8.4
1 948 reviews

Solid Value from a Trusted Brand

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772 bought in past month
#7
TITAN PRO,
Titan

Born in the USA

TITAN PRO, 1 Count (Pack of 1), No Color Packard TRCFD455 45+5MFD 440 370V Round Run Capacitor Replaces PRCFD455

13%OFF

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8.1
1 761 reviews

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670 bought in past month
#8
Genteq c34
Genteq

Born in the USA

Genteq c3455r GE Round Capacitor 45 5 uf MFD, 97F9895, Z97F995, 97F9895BZ3, 27L880, 370V

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7.8
4 238 reviews

Solid Value from a Trusted Brand

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568 bought in past month
#9
Genteq C33
GE

Born in the USA

Genteq C3355R Capacitor Dual Run Round 35 5 UF MFD 370V VAC 97F9834 (Replace Old GE# Z97F9834) 35 and 5 MFD at 370V

28%OFF

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7.5
3 500 reviews

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466 bought in past month
#10
GE   Gente
Genteq

Born in the USA

GE Genteq 27L889 97F9851 - 45 + 5 uf MFD 440 Volt VAC Genteq Replacement Round Dual Run Capacitor

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7.2
986 reviews

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364 bought in past month

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GE Genteq
GE

Born in the USA

GE Genteq Capacitor round 40 5 uf MFD 440 volt 97F9838 (replaces old GE# Z97F9848BZ2), 40 + 5 MFD at 440 volts

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1 013
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SUREPHON 3
SUREPHON

SUREPHON 35 5 Mfd Ac Capacitor 370V or 440V 50 60Hz CBB65B Air Conditioner Capacitors for AC Unit Fan Motor Start or Pool Pump or Air Condenser Straight Cool

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Titan HD 4
Packard

Born in the USA

Titan HD 45+5MFD, 440 370V, Round Capacitor

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45 + 5 x 3
DKLECHUI

45 + 5 x 370 440 VAC Round Dual Run Capacitor by JARD # 12788

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411
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45 5 uF 45
FRIOCASA

45 5 uF 45+5 MFD ±6% Ac Capacitor 370V 440V 50 60Hz CBB65B Air Conditioner Capacitors for AC Unit Fan Motor Start or Pool Pump or Air Condenser Straight Cool

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31
verified reviews

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Our Top Picks

#1

Winner

VEXUNGA 45/5 uF 45+5 MFD 370V or 440V Dual Run Start Round A/C Capacitor 45 5 uF 370 440 Volt VAC CBB65B Air Conditioner Capacitors for AC Unit Fan Motor Start or Heat Pump or Condenser Straight Cool

Rating
9.8
Chosen by1,282
Brand and Quality

Most important from
5392 reviews

Brand and Quality
The capacitor got my Tappan gas home furnace running again with no problems. Great value and fit for the money spent.

The VEXUNGA 45/5 uF 370/440V Dual Run Start Capacitor is designed for air conditioning units, heat pumps, and condensers. It features a dual run start, meaning it can replace both 370V and 440V capacitors, making it versatile for various applications. With a capacitance of 45/5 microfarads, it fits standard needs for many AC units.

The round shape and compact size (2.36 inches in diameter and 3.35 inches in height) make it easy to install in tight spaces. The operating temperature range from -40℃ to +70℃ ensures reliability in extreme conditions, and its compliance with US standards like EIA-456-A and UL listings speaks to its quality and safety.

The polypropylene material adds durability, and it has a safety rating of 10,000 AFC (Available Fault Current), which is a plus for safety-conscious users. However, the 6% tolerance in capacitance might be a consideration for those needing highly precise specifications. Brand reputation is solid, but as with any component, ensuring compatibility with your specific AC model is crucial. This capacitor is a good choice for those looking for a reliable, versatile, and durable component for their AC units.

Rating
9.8
Chosen by1,282
Brand and Quality

Most important from
5392 reviews

Brand and Quality
The capacitor got my Tappan gas home furnace running again with no problems. Great value and fit for the money spent.
#2

VEXUNGA 7.5uF 370/440VAC 50/60Hz CBB65 CBB65A Oval Run Start Capacitor 7.5 MFD 370V/440V Air Conditioner Capacitors for AC Unit Fan Motor Start or Pool Pump or Air Condenser Straight Cool

Rating
9.6
Capacitance (µF)
Type (Run or Start)

Most important from
5392 reviews

Capacitance (µF)
Solved the issue with my pool heater's blower motor. This capacitor works fine and is easy to match with the motor's Farad rating.
Type (Run or Start)
Perfect fit and value for replacing the run capacitor in my Tappan gas home furnace. It works flawlessly.

The VEXUNGA 7.5uF 370/440VAC capacitor is designed for air conditioner units, pool pumps, and air condensers. It offers a capacitance of 7.5 microfarads and supports both 370V and 440V, making it versatile for different AC units. The capacitor is an oval shape, measuring 2.17 x 2.17 x 2.03 inches and weighs 3.21 ounces. Made of polypropylene and aluminum, it promises durability and reliability.

With an operating temperature range from -40℃ to +70℃, it can withstand various environmental conditions. Being compliant with stringent US standards and UL & CUL listed ensures it meets high safety and quality benchmarks. This capacitor is especially suitable for those looking to replace capacitors like the 27L566 and others mentioned in its compatibility list.

The VEXUNGA capacitor stands out for its flexibility, safety compliance, and durability, making it a solid choice for those in need of a reliable AC capacitor.

Rating
9.6
Capacitance (µF)
Type (Run or Start)

Most important from
5392 reviews

Capacitance (µF)
Solved the issue with my pool heater's blower motor. This capacitor works fine and is easy to match with the motor's Farad rating.
Type (Run or Start)
Perfect fit and value for replacing the run capacitor in my Tappan gas home furnace. It works flawlessly.
#3

[2025 Upgraded] BlueStars 270-324 Mfd uF 110-125VAC Round Motor Start Capacitor 50/60 Hz AC Electric Replacement Part - Lifetime up to 30.000 Hours

Rating
9.3
Shape and Size

Most important from
1948 reviews

Shape and Size
A little bigger than OEM but fit inside the sheet metal cover. Works perfectly.

The Upgraded Version 270-324 Mfd uF 110-125VAC Round Motor Start Capacitor by Blue Stars is designed to provide reliable performance for electric motors. It offers a wide capacitance range of 270-324 µF and a voltage rating of 110-125V, which is suitable for various motor start applications. The round shape and compact size (36mm x 70mm) make it easy to fit into different devices.

Its broad operating temperature range (-40℃ to 65℃) ensures it can function effectively in diverse environmental conditions, making it versatile for different climates. The high-quality aluminum construction and UL, CE, and TUV certifications ensure durability and adherence to safety standards. Additionally, the lifetime protection guarantee provides peace of mind against potential defects or issues.

Its capacitance tolerance of +/- 20% may not offer the precision required for some highly sensitive applications. While it is well-suited for general motor starting purposes, users needing exact capacitance values might need to look elsewhere. This capacitor is best for those seeking a robust, long-lasting solution for their motors without the necessity for exact capacitance accuracy. The inclusion of multiple replacement compatibility makes it a versatile choice for replacing various start capacitors in the market.

Rating
9.3
Shape and Size

Most important from
1948 reviews

Shape and Size
A little bigger than OEM but fit inside the sheet metal cover. Works perfectly.

Buying Guide for the Best Ac Capacitor

When choosing an AC capacitor, it's important to understand the role it plays in your air conditioning system. The capacitor stores and releases electrical energy to help start and run the compressor and fan motor. Selecting the right capacitor ensures your AC unit operates efficiently and reliably. Here are the key specifications to consider when picking an AC capacitor and how to navigate them to find the best fit for your needs.
Capacitance (µF)Capacitance, measured in microfarads (µF), indicates the amount of electrical charge the capacitor can store. This is crucial because the correct capacitance ensures your AC unit's motor starts and runs properly. Capacitors typically range from 5 µF to 80 µF. To choose the right capacitance, check the specifications of your AC unit or the old capacitor. Using a capacitor with the wrong capacitance can lead to inefficient operation or damage to the motor.
Voltage Rating (V)The voltage rating of a capacitor indicates the maximum voltage it can handle. This is important to ensure the capacitor can withstand the electrical load of your AC unit. Common voltage ratings are 370V and 440V. It's generally safe to use a capacitor with a higher voltage rating than required, but never use one with a lower rating. Check your AC unit's specifications or the old capacitor to determine the correct voltage rating.
Type (Run or Start)There are two main types of AC capacitors: run capacitors and start capacitors. Run capacitors are used to maintain a constant charge to the motor while it's running, while start capacitors provide a boost of energy to start the motor. Run capacitors are typically rated for continuous duty, while start capacitors are rated for short-term use. Determine which type your AC unit requires by consulting the unit's specifications or the old capacitor.
Shape and SizeAC capacitors come in various shapes and sizes, including round and oval. The physical size and shape are important to ensure the capacitor fits in the designated space within your AC unit. Measure the dimensions of the old capacitor or the space where it will be installed to ensure a proper fit. While the shape doesn't affect performance, it must match the space available in your unit.
Temperature RatingThe temperature rating of a capacitor indicates the range of temperatures it can safely operate within. This is important for ensuring reliable performance in different environmental conditions. Capacitors typically have a temperature rating of -40°C to +70°C or higher. Choose a capacitor with a temperature rating that matches or exceeds the conditions in which your AC unit will operate, especially if you live in an area with extreme temperatures.
Brand and QualityThe brand and quality of the capacitor can affect its reliability and lifespan. High-quality capacitors from reputable brands are more likely to provide consistent performance and last longer. Research different brands and read reviews to find a reliable capacitor. While it might be tempting to choose a cheaper option, investing in a high-quality capacitor can save you from future repairs and replacements.

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