View 1 Photo View 0 Videos Clark CL551 Transmission for a 1987 GMC C7000 Newly Listed Contact for price (Used) 1986 CLARK (MT), TRANSMISSION ASSEMBLY- Model: CL551, Serial Number: 6GW01261, Engine: Detroit 8.0, Reference images for condition. For more information about this item, give us a... ConditionUsedEngine ModelDetroit 8.2 LITER - TURBOFits To Make(s)GMCFits To Model(s)C7000Will Fit Year(s)1987Stock NumberP-506771 MLS Number14444172CategoryTransmissions Last Updated6/23/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info