Brush SpringAftermarket replacement brush spring (part AC23319-M6010) for forklift starter and motor assemblies. Brush springs maintain consistent contact pressure between the carbon brush and the commutator. When the spring weakens, brush contact becomes intermittent and starting torque suffers. Replacing the spring during a brush change is standard rebuild practice. Designed to cross with the corresponding OE spring and intended for starter rebuild kits on diesel, gasoline, and LPG forklift platforms. A small part that determines whether a rebuilt starter actually behaves like new.Aftermarket replacement part, cross-references original part number AC23319-M6010.Need help confirming fit? Call (562) 693-7748 with your serial number.Part number variants: AC23319-M6010, ac23319-m6010, AC23319M6010, ac23319m6010 ⚠ Warning: Some equipment has serial-number breaks that may not be reflected in the catalog. Contact us for clarification before ordering if uncertain.SCR Forklift Parts ships from Whittier, CA with next-day delivery available across the US when needed.