3/4″ Heater Hose End Cap – Chrome – Racing Power Company
Rubber caps to block coolant lines - NO ! - Open Chit Chat - The Classic Zcar Club
Heater Hose Delete Cap (sold individually)
Amazon.com: Partuto 1Pc 16mm 0.63" ID Universal Silicone Coolant Cap Intake Vacuum Hose End Plug - Car for Coolant Heater Bypass Vacuum Water Port - Silicone Black : Automotive
HPS High Temp Reinforced Silicone Coolant Cap Bypass Heater Help Fix Blank Black Blue Red - HPS Performance Products
Heater Hose Delete Cap (sold individually) – Speedzone Performance LLC
Coyote Billet Heater Hose Adaptors - Power By The Hour
Dorman HELP! Rubber Coolant Bypass Cap 02251 | O'Reilly Auto Parts
Fits Chevy 5/8" 3/4" Water Pump Heater Core Rubber Hose Caps Blockoff Plugs nos | eBay