Porter Cable,C19 N031634, BRUSH This part is compatible with models including; 7539TYPE3,878353,7539TYPE2,878354,75362,7539TYPE1,874203,75361,75372,75371,879879,75182,75192,875581,882409,7538,7539 This is a manufacturer substitution. Part may differ in appearance but is a functional equivalent to prior parts including; 698873 Genuine Original Equipment Manufacturer (OEM) part. Compatible Brands: Porter Cable This motor brush (part number N031634) is for routers Unplug the router before installing this part