Coolant Bypass Hose - Best Replacement Coolant Bypass Pipes at the Right Price | AutoZone
Amazon.com: Muzzys HEATER CORE BYPASS KIT, Universal, Fits MOST Vehicles and ALL 5/8" and 3/4" ID Heater Hoses. Easily Stop Flow to Your Heater Core With This Premium Hi Temp Hi Pressure
Heater Core Universal Bypass Kit - 5/8" x 3/4" - 5/8" x 5/8" - 3/4" x 3/4" | eBay
Pro Source Heater Core 92197
Duralast Hose E86121
Dorman - HELP 5/8in X 3/4in Plastic Heater Hose Connector