View 0 Photos View 0 Videos 1999 GMC CH465 Transmission for a Chevrolet P-Series Recently Updated $1,586 USD (USED) GM 4L80E Assembly#: 998321 Input Lgth: AUTOMATIC Input Dia: AUTOMATIC Pilot Dia: AUTOMATIC ConditionUsedAssembly Number998321Fits To Make(s)ChevroletFits To Model(s)P-SERIESStock Number25923728 MLS Number14091262CategoryTransmissions Last Updated2/11/2026 LocationDes Moines, IA, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info