View 9 Photos View 0 Videos GM/Chev (HD) 6L90 Transmission Core for a 2010 Workhorse Custom Chassis W42 Newly Listed Contact for price (Core) 2009 GM/Chev (HD) (AT), TRANSMISSION ASSEMBLY- Model: 6L90, Serial Number: N/A, Block Number: 24242272 Engine: Other Gasoline, For more information about this item, give us a... ConditionUsedEngine ModelOtherFits To Make(s)Workhorse Custom ChassisFits To Model(s)W42Will Fit Year(s)2010Stock NumberP-508556 MLS Number14479879CategoryTransmission Cores Last Updated7/12/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info