Outlet Heater Core Supply Hose Kit

Features:

• Fits 2020-2025 Silverado and Sierra HD
• Designed for 6.6L Duramax L5P
• Durable 5mm thick silicone construction
• Reinforced 4-ply hose design
• High heat resistant material
• Direct bolt-on installation
• No cutting or modifications required
• Includes stainless steel hose clamps
• Resists heat moisture and chemicals
• Replaces OEM hose GM 85119145
• Supports long term cooling reliability

Upgrade Your Cooling System With A Hose Built To Handle Real Work

When you are looking under the hood of your Duramax, it is easy to overlook a hose until it becomes a problem, and that is exactly why this PPE outlet heater core supply hose kit is worth the upgrade. Built for 2020-2025 Silverado and Sierra 2500HD and 3500HD trucks, it replaces a common wear item with something far more durable and reliable. The factory rubber hoses can break down over time from constant heat and pressure, especially if your truck is used for towing or heavy work. Additionally, this silicone upgrade gives you peace of mind knowing your cooling system is better equipped to handle those conditions. Installation is straightforward with a direct bolt-on design, so you are not dealing with extra steps or modifications. It is the kind of upgrade you can install in your garage and immediately feel confident about. If you want to stay ahead of potential failures, this is a smart move that supports long term reliability.

Designed For Consistent Coolant Flow And Heat Resistance In L5P Engines

The PPE 119020044 outlet heater core supply hose kit is engineered specifically for 6.6L Duramax L5P applications in 2020-2025 GM HD trucks. It features a 5mm thick 4-ply silicone construction that is built to withstand high temperatures and pressure cycles found in diesel engine bays. Additionally, silicone material resists degradation from heat, moisture, and chemical exposure, helping extend service life compared to standard rubber hoses. This hose is designed as a direct replacement for OEM part number 85119145, ensuring proper fitment and routing within the cooling system. The included stainless steel worm-drive clamps provide a secure and corrosion resistant connection at each mounting point. Maintaining proper coolant flow through the heater core circuit is important for both engine temperature management and cabin heating performance. With this upgrade, you are reinforcing a key part of your cooling system with materials built to last under demanding conditions.

Fitment: 2020, 2021, 2022, 2023, 2024, 2025 GM Sierra/Silverado 2500HD/3500HD 6.6L Duramax L5P

Notes:

• Fits 2020-2025 GM 2500HD and 3500HD
• Designed for 6.6L Duramax L5P only
• Direct replacement for GM 85119145
• Direct bolt-on installation design
• No cutting or modifications required
• Includes stainless steel hose clamps
• Constructed from 4-ply silicone material
• Built for high heat engine environments
• Verify vehicle fitment before purchase
• Recommended for cooling system service upgrades