Spark PlugQuality aftermarket spark plug, built to interchange directly with OE part AC22401-E6900 on the lift truck assembly. The plug ignites the air-fuel mixture inside the combustion chamber of an LPG or gasoline forklift engine and is one of the highest-wear ignition components on the unit. It is commonly pulled by in-house mechanics at warehouses, rental yards, and distribution centers running mixed brand fleets that need a dependable interchange. Using a verified interchange saves real cost on routine service without compromising fit, torque specifications, or sealing performance compared to the OE original. Verify the OE number against the lift truck's parts list before ordering.Aftermarket replacement part, cross-references original part number AC22401-E6900.Need help confirming fit? Call (562) 693-7748 with your serial number.Part number variants: AC22401-E6900, ac22401-e6900, AC22401E6900, ac22401e6900 ⚠ 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.