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Run and start capacitors for HVAC and refrigeration systems. Shop single and dual-run capacitors in 370/440V, plus hard-start kits, from Alltek, Supco, and more — matched to the exact MFD rating and voltage your unit needs.

New to sizing one? Read our capacitor sizing & replacement guide →

22 products

Alltek 30+5 MFD 370/440V dual round run capacitor for HVAC condensing units

AlltekAlltek 30+5uf 370-440V AC HVAC Round Run Capacitor

$4.89

Alltek 10 MFD 370/440V round run capacitor for HVAC condenser fan motors

AlltekAlltek 10 uf MFD 370/440V HVAC Round Run Capacitor

$3.19

Alltek 5 MFD 370/440V round run capacitor for HVAC condenser fan motors

AlltekAlltek 5uf 370-440V HVAC Round Run Capacitor

$1.62

Alltek SPP5 ALSP5 hard start kit for single phase HVAC compressors

AlltekAlltek SPP5 / ALSP5 Hard Start Kit Replacement

$7.52

Alltek 30 MFD 370/440V round run capacitor for HVAC condenser and blower motors

AlltekAlltek 30uf MFD 370/440V HVAC Round Run Capacitor

$4.89

Alltek 50 MFD 370/440V round run capacitor for HVAC compressor and blower motors

AlltekAlltek 50uf MFD 370/440V HVAC Round Run Capacitor

$7.45

Alltek 50+5 MFD 370/440V dual round run capacitor for HVAC condensing units

AlltekAlltek 50+5uf MFD 370-440V HVAC Dual Round Run Capacitor

$8.35

Alltek 60+5 MFD 370/440V dual round run capacitor for HVAC condensing units

AlltekAlltek 60+5uf MFD 370-440V Dual Round Run Capacitor

$8.51

Alltek 10 MFD 370/440V oval run capacitor for HVAC condenser fan and blower motors

AlltekAlltek 10uf 370-440V HVAC Oval Run Capacitor

$3.19

Alltek 15 MFD 370/440V oval run capacitor for HVAC condenser fan motors

AlltekAlltek 15uf 370/440V HVAC Oval Run Capacitor

$3.89

Alltek 6 MFD 450V mini split replacement capacitor for ductless HVAC systems

AlltekAlltek 6UF 450V 50/60Hz HVAC Mini-Split Replacement Capacitor

$3.35

Alltek 80+5 MFD 370/440V dual round run capacitor for HVAC condensing units

AlltekAlltek 80+5uf 370-440V HVAC Dual Round Run Capacitor

$10.59

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Capacitors

Capacitors