Engine Control UnitControl unit assembly for K21 engine forklift platforms, this CU handles engine management duties including timing, fuel delivery commands, and sensor feedback interpretation. Supplied as an aftermarket replacement matched to the original module's connector and logic, it returns the truck to normal idle, throttle, and emissions behavior when the OE controller fails or stores persistent fault codes. The housing is sealed against typical underhood dust and moisture and survives industrial vibration cycles. Verify the harness pinout, battery condition, and ground integrity before installation, then clear codes to confirm sensors report within expected ranges.Aftermarket replacement part, cross-references original part number AC23710-FT82B.Need help confirming fit? Call (562) 693-7748 with your serial number.Part number variants: AC23710-FT82B, ac23710-ft82b, AC23710FT82B, ac23710ft82b ⚠ 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.
