2017+ L5P Duramax Coolant Bypass Upgrade Kit

Replace your cheap leaking silicone hoses / cheap plastic heater core fittings / plugs that won't fit or seal with our coolant bypass upgrade kit. 

Features: 

• Billet Heater Core Fittings with a 2 O-Ring Seal and Retention Clip
• Stainless Barbed Union and Hose Clamp
• High Quality Gates Safety Stripe Heater Hose cut to length and Oetiker/Pinch Clamps pre-installed
• Billet Barbed Plug/Fitting with High Quality Chemically Resistant O-Ring
• Hose Separators for a Clean Look once installed
• Reinforced Hand Wrapped Silicone Coolant Cap and Clamp

Again, this is not a complete kit by itself, this kit is an upgrade to an existing problematic kit.