What kind of oil line do I need for a 7.3 Powerstroke?
What kind of oil line do I need for a 7.3 Powerstroke? Please note that these hoses utilize threaded fittings. Later model 7.3L engines require hoses with quick-connect fittings which we also carry - see related items below. When to replace a high pressure oil line? The steel braid is coated in a heavy silicone elastomer with the connectors sealed under a heavy heat shrink boot to prevent moisture intrusion. If your hoses are fraying it would be a good idea to replace them. We've been seeing an increased rate of catastrophic failure with the earliest trucks now nearing 25...