Porter-Cable Parts

Variable Speed Control, 120v For Porter Cable Drywall Sander PC7800 #877723

Porter-Cable 7800 Drywall Sander 120v Motor Assembly is the complete motor for your Porter Cable sander.  Easy to install.

OEM Porter Cable Sander 13 ft. Replacement Hose

Retaining Ring For Porter Cable Drywall Sander PC7800 #696667

Replacement Washer For Porter Cable Drywall Sander PC7800 #877738

Porter Cable Drywall Sander 7800 Replacement Brush Skirt #877702 

Screw For Porter Cable Drywall Sander PC7800 #882703 (7064)

Porter Cable Drywall Sander 7800 Clamp Plate #879737 (7053)

This Porter Cable back-up pad includes the locking nut.  

Porter Cable Drywall Sander 7800 Left Support Arm #881951

The Porter Cable 7800 Brushes are a very common wear part for your Porter Cable 7800 Drywall Sander.  If your sander does not seem to be working correctly, most likely this is the culprit. Just remove the screws to the motor housing, and you will see...