Trane SFCAP35D4440R Round Run Capacitor – 35/4 MFD, 440V

The Trane SFCAP35D4440R Round Run Capacitor – 35/4 MFD, 440V is a Trane capacitor for HVAC repair and replacement work. Use it when the part number SFCAP35D4440R and the listed specifications match the equipment being serviced.

SFCAP35D4440R is an official OEM Round Run Capacitor – 35/4 MFD, 440V for Trane HVAC equipment.

Key Specs

• Voltage: 440v
• MFD: 35/4
• Product Type: Capacitor

Replacement Notes

Captured replacement references include CPT0667. Confirm supersession details against the manufacturer parts list.

Expert Verdict

Reviewed by the SuperArbor Pro Desk: choose this part when the existing component label and unit documentation match SFCAP35D4440R and the spec set above. It is best suited for targeted HVAC service repairs where exact fitment matters more than broad universal compatibility.

FAQs

What is the Trane SFCAP35D4440R used for?

It is a capacitor for compatible Trane HVAC equipment. Match the part number SFCAP35D4440R and the equipment service literature before ordering or installing.

Which specs should I verify before purchase?

Verify the spec set shown for this part: Voltage: 440v; MFD: 35/4; Product Type: Capacitor. The replacement should match the existing component and the unit documentation.

Does the electrical rating need to match exactly?

Yes. Confirm MFD rating 35/4 and voltage rating 440v against the failed component label. Do not substitute a different rating unless the equipment manufacturer allows it.

Are replacement or superseded references available?

Captured cross-reference data includes CPT0667. Verify any supersession directly against the manufacturer parts list before installation.

Who should install this HVAC component?

A qualified HVAC technician should install and test the capacitor. Disconnect power first, follow lockout procedures, and confirm safe operation after replacement.

Safety and Installation Notes

Disconnect power before service. HVAC electrical and combustion-related components should be installed and tested by a qualified technician. After installation, confirm wiring, mounting, airflow or fluid routing as applicable, and normal system operation.