Ring GearThe AC12312-VB000 is a starter ring gear offered as an aftermarket replacement for forklift flywheels. The ring gear is what the starter motor engages to crank the engine. A chewed up ring gear shows up as grinding on startup and eventually a no crank condition. Rebuilders press a fresh one onto the flywheel during overhauls. The catalog identifies this part as "GEAR - RING". SCR Forklift Parts in Whittier, California stocks flywheel components and engine internals for industrial lift trucks and ships to dealers, fleet shops, and rebuild specialists.Aftermarket replacement part, cross-references original part number AC12312-VB000.Need help confirming fit? Call (562) 693-7748 with your serial number.Part number variants: AC12312-VB000, ac12312-vb000, AC12312VB000, ac12312vb000 ⚠ 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.