

⚡ Power your AC like a pro — don’t get left in the heat!
The BOJACK 7.5 µF ±6% 370V/440V CBB65 Oval Run Start Capacitor is a high-performance, UL-recognized component engineered for reliable compressor and fan motor startups in air conditioners, heat pumps, and industrial AC motors. Featuring a robust metallized polypropylene film dielectric, aluminum casing, and a wide operating temperature range from -40°C to +70°C, it delivers durable, heat-resistant, and explosion-safe operation. Its universal oval design fits multiple replacement models, making it the go-to choice for professionals seeking efficient, long-lasting motor run capacitors.
| ASIN | B07VLBJT7M |
| Best Sellers Rank | #9,338 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #22 in Industrial Electrical Capacitors |
| Brand Name | BOJACK |
| Capacitance | 7.5 Microfarad |
| Capacitance Tolerance | 6 |
| Customer Reviews | 4.8 4.8 out of 5 stars (1,408) |
| Item Dimensions W x H | 2.03"W x 2.96"H |
| Item Shape | Oval |
| Manufacturer | BOJACK |
| Material Type | Aluminum, Polypropylene |
| Maximum Storage Temperature | 70 Degrees Celsius |
| Maximum Voltage | 440 Volts |
| Mounting Type | Through-Hole Mount |
| Operating Voltage | 440 Volts |
| UPC | 768894139403 |
| Upper Temperature Rating | 158 Degrees Fahrenheit |
J**G
Direct replacement for a furnace blower motor run capacitor.
Received later than expected but still was next day delivery. This was a direct replacement to the run capacitor on our furnace blower motor and it fixed the problem. Took only a few minutes to replace. To summarize our experience, our AC quit working during the first heat wave this year. I first checked the evaporator coil above the furnace and it was covered in ice. Typically the culprit is a dirty or clogged air filter. Let it thaw and dry overnight then the next morning I turned the AC back on and noticed a humming sound from the furnace. Opened up the furnace to see that the blower fan was not working. When I turned the squirrel cage of the blower by hand it felt smooth and easy to turn. So I gave the squirrel cage a good spin and turned on the AC again and it came to life. Suspecting the run capacitor I ordered one and it did the trick. Saved us a bunch of money avoiding a weekend call out from a HVAC contractor.
S**R
Good capacitor, arrived fully charged- be aware of dangers
The capacitor works, and definitely saved us a lot of money. The HVAC technician offered to replace the old capacitor and clean the blower motor blades for $1100, and we said we'd do it ourselves. Hard to say how much the capacitor alone saved us, but suffice it to say, it was probably several hundred dollars. That said- it should be noted, it seems that this capacitor was fully charged when it arrived. I typically wear boots with fairly thick rubber soles, as well as Maxiflex gloves which have a thick nitrile layer, when handling line voltages (120VAC). With this level of protection, while not technically rated for 120VAC, I can touch live/line sides of 120VAC circuits and not feel anything, not even so much as a tingle. But when installing this new capacitor, wearing these boots and gloves, I attached the wires' terminal connectors by hand, and used my index finger to firmly press them in place. When I pressed the first of them into place, nothing unusual happened. But when I pressed the second terminal into place, I felt a slight zap, through the gloved finger. This suggests that I was bridging at least 300 volts to ground, which really surprised me. So buyer beware, handle these capacitors with care.
P**Y
It's a capacitor what more can I say!
It's a capacitor It works great and it does what it's supposed to do.
T**N
Great item!
Great price . I replaced the old one in my evap unit and it's been running great for a few month now.
J**M
Works great as a generic replacement for a furnace blower fam.
Specs on the capacitor were correct and very simple to replace.
K**S
Exact fit!
Exactly as described and fit perfectly. It was very easy to replace. My old capacitor went out. This one was the exact match from size and shape. It seems to be well built and functions as expected.
J**N
worked fine
exactly what i needed for my ac fan
C**.
Excellent product from a great brand.
Old capacitor failed. Read 5.5uF which was 25% out or 19% out of it's 6% tolerance. This was a match at 7.5uF easy to install, though slightly taller, same voltage, same tolerance, reading was 7.495uF, well within spec. Wonder if this one will last 22 years?
Y**Y
Bought for Trailer AC repairs, saved us lots of money on replacing AC. Working great now. Thanks.
C**S
I've been having various issues with my furnace for the last 4 or 5 years and sorting them out one by one. The furnace blower stopped working on New Years Day, and so I had no heat in the house for a few days until I received this capacitor and changed it. I wasn't sure if it was the motor or capacitor or both, but the capacitor fixed it! It was a cheap and easy and quick repair.
F**G
A good price that saved me alot on money on my pool heat pump, thanks
D**G
It works
A**R
My AC motor start right away, this capacitor fits my needs on RV Windsport Thor AC system.
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