What are the alternatives to the [UL Listed] BlueStars 40 uF MFD 370-440 VAC Volts CBB65A Round Run Start…?

[UL Listed] BlueStars 40 uF MFD 370-440 VAC Volts CBB65A Round Run Start… competes with other Tools & Maintenance products on SpecPicks. Use our Compare tool to view specs side-by-side, or browse the full Tools & Maintenance category for alternatives.

BlueStars

BlueStars 40 uF MFD 370-440 VAC Volts CBB65A Round Run Start Capacitor - for AC Motor Run or Fan Start Cool Heat Pump Air Conditioner or Condenser Straight - Lifetime up to 30,000 Hours

Name: [UL Listed] BlueStars 40 uF MFD 370-440 VAC Volts CBB65A Round Run Start Capacitor - for AC Motor Run or Fan Start Cool Heat Pump Air Conditioner or
Brand: BlueStars
SKU: B0BL77F3CY
Price: 14.99 USD
Availability: InStock

By Mike Perry, Hardware Editor · Verified 2026-09-06

Mike Perry has researched PC hardware since 2014, tracking 80+ GPU generations, 50+ retro handheld platforms, and 30+ vintage PC configurations. He synthesises community benchmarks, manufacturer specs, and public forum data into actionable buying guides. View full credentials →

$14.99

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*Price sourced from Amazon.com. Price and availability subject to change.

Bottom line: The BlueStars 40 uF MFD 370-440 VAC Volts CBB65A Round Run Start Capacitor - for AC Motor Run or Fan Start Cool Heat Pump Air Conditioner or Condenser Straight - Lifetime up to 30,000 Hours is a niche pick — read recent reviews before buying in the tools & maintenance category, priced around $14.99. Compare close alternatives before committing.

SpecPicks Verdict

SpecPicks scored [UL Listed] BlueStars 40 uF MFD 370-440 VAC Volts CBB65A Round Run… using a rating × review-volume × price-fit model applied to our editorial and benchmark analysis across the tools & maintenance category. BlueStars's tools & maintenance lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Mixed or limited buyer feedback at this price point — focus your evaluation on recent reviews that specifically address build quality and long-term reliability, and shortlist one or two close alternatives before deciding.

Common buyer scenarios for tools & maintenance: PC towers accumulate significant dust in 3–6 months, so cleaning frequency drives cordless vs. canned-air tradeoff decisions. Match the device's RPM or CFM rating to your case size, and confirm battery runtime covers a full tower cleaning before ordering. Prices, stock, and Prime eligibility update directly from Amazon's catalog and may have moved since this page was last verified.

Pros & Cons

Pros

✓ Backed by BlueStars's warranty and support channels
✓ Ships via Amazon with Prime eligibility and the standard returns policy

Cons

✗ Check battery runtime and RPM/CFM specs match your case size and cleaning frequency
✗ Price, stock, and Prime eligibility update from Amazon and may have changed since this page was last verified

Key Features

MODEL NUMBER - 40 uF/MFD 370-440VAC Round Run Start Capacitor. Replaces BOTH 370VAC & 440VAC capacitors round motor run capacitor
SPECIFICATIONS - Capacitance: 40 uf; Rated voltage: AC 370-440V; Tolerance: 5%; Shape: Round Run - Capacitor dimensions: 50mm x 105mm; Operating temperature range: -25℃ to 70℃; temperature coefficient : 40/70/21; 10000AFC - No PCBs; Engineered For Safety 10000 AFC Anti Explosion Pressure Switch
PREMIUM QUALITY: Compliant with the TOUGHEST US and Australian Standards for AC motor run capacitors, including UL & CUL, CEL and TÜV SÜD
EXACT REPLACEMENT: It is a perfect replacement to solve cooling problems for your air conditioner and gear motor applications. Multi-Purpose Round Capacitor for Air Conditioner AC Unit Fan Motor Start or Heat Pump or Condenser Straight Cool
INSTRUCTIONS: No wiring or adapter changes are required. Two terminals on the top are labeled "Herm"/"H" for the compressor motor or "Fan"/"F" for the fan, and "C" for the common line.
100% LIFETIME PROTECTION: Enjoy reliable performance with our lifetime protection, ensuring that your product will always be covered for any defects or issues that may arise.

Full Specifications

Brand	BlueStars
Model	[Upgraded] 40uf 370-440VAC
Shape	Round
Material	40 MFD 370-440VAC
Item Shape	Round
Capacitance	40 Microfarad
Part Number	[Upgraded] 40uf 370-440VAC
Compatibility	Switch
Material Type	40 MFD 370-440VAC
Mounting Type	Snap-In Mount
Maximum Voltage	440 Volts
PREMIUM QUALITY	Compliant with the TOUGHEST US and Australian Standards for AC motor run capacitors, including UL & CUL, CEL and TÜV SÜD
Included Components	40 MFD 370-440 VAC CBB65A Capacitor
Capacitance Tolerance	5
Item Dimensions W x H	1.97"W x 4.13"H
100% LIFETIME PROTECTION	Enjoy reliable performance with our lifetime protection, ensuring that your product will always be covered for any defects or issues that may arise.
Maximum Storage Temperature	70 Degrees Celsius

Ready to buy?

[UL Listed] BlueStars 40 uF MFD 370-440 VAC Volts CBB65A Round Run Start Capacitor - for AC Motor Run or Fan Start Cool Heat Pump Air Conditioner or Condenser Straight - Lifetime up to 30,000 Hours is sold on the used and vintage market, where eBay carries the live inventory — Amazon does not stock this part. Prices and condition vary by seller and move in real time, so we link the live listing rather than quote a cached price. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

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*Price sourced from Amazon.com. Price and availability subject to change.