All the numbers match on my existing one (440 vac, 50/60 hz, +-6%), except for mine has the number 40uf/5uf instead of 45/5 ... will this one work?

A 55 Micro Farad cap will most likely run fine in your unit.. Capacitors work like batteries on start-up of the motor where extra electrical energy assists the unit in overcoming the latency of the motor to start. Capacitors charge at different times depending on capacity. Typically it uses 5 time constants for a capacitor to charge and discharge. All this means that a small cap will charge faster than a large one but means little to the user if they are not using it as some part of a timing circuit. The Booster Supco Cap adds extra energy on startup so the unit gets that extra electrical push. This is a very simplified answer to a somewhat lengthy Study of CAPs in EE courses and how they are used and work.

Where do I buy the wires to hook it up? I can't splice on the terminals myself

The wires are already on the condenser unit... If you have a separate capacitor for fan don't use that terminal or vice versa

would this fit C3455R?Thanks

No. PowerWell 45+5 is 2 3/8” Genteq C3455R is 2”

Dose it fit trane xl16i 4ttx6048?

If your your system issue is the compressor does not start once called and the fan does the you have a capacitor problem. Validate the capacitance in your system; 45uf for the compressor and 5uf for the fan then this product will work. The strap and connector is standard.

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45+5 MFD 45/5 uf 370 or 440 Volt Dual Run Round Capacitor PW-45/5/R for Condenser Straight Cool or Heat Pump Air Conditioner - Guaranteed to Last 5 Years

45+5 MFD 45/5 uf 370 or 440 Volt Dual Run Round Capacitor PW-45/5/R for Condenser Straight Cool or Heat Pump Air Conditioner - Guaranteed to Last 5 Years

Product ID: 42420079

Details

Brand
PowerWell
Capacitance
45 microfarad
Material
Copper
Maximum Storage Temperature
75 °C
Shape
Round

⚡45+5 µF dual capacitance

🔋440V max operating voltage

🛡️5-year durability guarantee

Bs.686

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Description

⚡ Power your comfort with the capacitor that never quits!

DUAL POWER BOOST - Supports both compressor & fan motors seamlessly for peak A/C performance.
LONG TERM PEACE OF MIND - Backed by a 5-year guarantee, ensuring your HVAC runs smoothly without unexpected failures.
COMPACT DURABLE DESIGN - 2.38" diameter x 4" height fits most units, built tough for extreme temps (-40°C to 70°C).
CERTIFIED QUALITY ASSURANCE - Meets EIA-456-A & IEC 60252-1 standards—engineered for US market reliability.
UNIVERSAL VOLTAGE COMPATIBILITY - Replaces 370V & 440V capacitors—upgrade your system with confidence.

The PowerWell PW-45/5/R is a premium dual run capacitor delivering 45+5 µF capacitance at 440 volts, designed to replace both 370V and 440V units. Its compact round form factor fits most condenser and heat pump A/C systems, supporting both compressor and fan motors. Built to rigorous USA standards with EIA-456-A and IEC 60252-1 certification, it operates reliably across extreme temperatures (-40°C to 70°C) and comes with a 5-year durability guarantee, making it the trusted choice for professional-grade HVAC maintenance.

Specifications

ASIN	B01NAZJYWA
Best Sellers Rank	#2,848 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #18 in Industrial Electrical Capacitors
Brand Name	PowerWell
Capacitance	45 microfarad
Capacitance Tolerance	5
Customer Reviews	4.7 4.7 out of 5 stars (4,470)
EU Spare Part Availability Duration	5 years
Item Dimensions W x H	2.38"W x 4"H
Item Shape	Round
Manufacturer	PowerWell
Material Type	Copper
Maximum Storage Temperature	75 °C
Maximum Voltage	440 volts
Model	PW-45/5/R
Mounting Type	Snap-In Mount
Operating Voltage	440 volts
Part Number	PW-45/5/R
UPC	714833366249
Unit Count	1 Count
Upper Temperature Rating	70 °C

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Bs.686

Duties & taxes included

In stock

Sold byAmazon BoliviaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Bolivia.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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