Application: Our custom molded hose used with vehicles that are no longer using the heater core and compatible with all Ls or Lt series engines from 1998 - up
Hose Size:One end is 5/8" and the other is 3/4".
Durable:Our rubber hose is easy to clean, oil, coolant and fuel-resistant finish.
Function: The heater core is used to loop the heater hose outlets of your LS/LT engine water pump.
Warranty: GSTP provides 4-month warranty.Unconditional refund. If you have any problems, contacting us and we will serve you within 24 hours.