K 3500 Truck 4WD V8-393 6.5L DSL Turbo (1993)
Fuel Supply Line: Service and Repair
Fuel and Vapor Hoses
NOTE: Fuel and vapor hoses are specially manufactured. It is important to use replacement hoses that meet GM specification 6163-M. These hoses are
identified by the word "Fluoroelastomer" marked on them. Hoses not so marked could cause early failure or failure to meet emission standards.
Do not use rubber hose within 10 cm (4 inches) of any part of the exhaust system.
