Autotecnica GM0619818 HVAC Heater Hose Assembly - Inlet

Overview

Autotecnica GM0619818 is an HVAC heater hose assembly for select Chevrolet, GMC, Cadillac, and Hummer applications. It is built with CSM material, a straight hose shape, and included clamps for a direct replacement-style repair.

Compatible With Chevrolet Silverado 1500, Chevrolet Silverado 2500 HD, Chevrolet Silverado 3500 HD, GMC Sierra 1500, GMC Sierra 2500 HD, GMC Sierra 3500 HD, and related applications listed below. This GM0619818 hose assembly is specified for vehicles without Auxiliary Heater Inlet (C36).

Key Features

• CSM construction with a black finish for HVAC hose service.
• Straight hose design for a clean routing path.
• Clamps included for the assembly.
• Rated for 50 maximum working pressure.
• Regular-grade replacement part for HVAC hose repair.

Detailed Description

The Autotecnica GM0619818 heater hose assembly is engineered for HVAC coolant routing on compatible trucks and SUVs, including Chevrolet Silverado and GMC Sierra applications. Its straight configuration and CSM material support a service replacement that matches the listed fitment and the without Auxiliary Heater Inlet (C36) requirement. The GM0619818 part number is useful when matching the correct hose assembly for the specified inlet or non-inlet applications.

This part cross-references Dayco 80271 and Dorman - OE Solutions 626-619 for the same application.

What It Helps Address

• Cracked or deteriorated heater hose material.
• Leaks in the HVAC coolant hose path.
• Incorrect hose routing on replacement service.
• Fitment issues on vehicles without Auxiliary Heater Inlet (C36).

Installation Notes

Verify the vehicle’s HVAC hose routing and confirm the without Auxiliary Heater Inlet (C36) note before installation. Match the inlet designation and hose path to the original configuration, and inspect adjoining connections for wear or corrosion during service. The included clamps can simplify replacement when the existing hardware is no longer serviceable.

Quality Assurance

Autotecnica manufactures aftermarket parts under ISO/TS 16949 quality management system specifications. This GM0619818 heater hose assembly is backed by a two-year, unlimited mileage warranty.