Generator Carbon Brushes OEM Standard 5kw - Compatible with GX390 GX340 & Clone Engines 389cc 420cc 439cc 459cc, Copper Terminals, Positive Pole with Metal Ring Mounting Hole. Part# 31106-ZB4-003
The generator brushes have a mounting hole diameter of 6mm (~1/4 inch), with a center-to-center distance of 26mm (1 inch) between the two holes.
Compatible with Honda EU EM EB Series generators Predator Champion Wen Westinghouse Coleman Powermate ETQ Blackmax Duromax Durostar Lifan Ryobi Powerstroke Powermax All Power Homelite Sportsman Husky 5000 5500 6000 6500 7000 7500 7650 8750 9000 9500W gensets inverters alternators etc.
Nylon 66 carbon brushes: Heat/wear-resistant, durable for high-load generator motors
Note that generator brushes are different from the carbon brushes used in a 2KW generator. The latter is slightly larger in size, though they appear similar.
OEM Standard Carbon Brushes – Designed for 5kW generators; compatible with GX390, GX340, and clone engines (389cc–459cc); features copper terminals and positive pole with metal ring mounting hole (Part# 31106-ZB4-003).
Mounting Specifications – 6mm (\~1/4 inch) mounting hole diameter with a 26mm (1 inch) center-to-center distance between holes.
Wide Compatibility – Fits Honda EU/EM/EB series, Predator, Champion, Wen, Westinghouse, Duromax, Ryobi, and other major generator brands (5000W–9500W).
Durable Material – Made from heat- and wear-resistant Nylon 66 carbon for long-lasting performance in high-load applications.
Important Note – Not interchangeable with 2kW generator brushes, which are slightly larger despite a similar appearance.