Dayco 70054 HVAC Heater Hose - Heater Inlet

Dayco 70054 Heater Inlet Hose

Dayco 70054 is an HVAC heater hose for the heater inlet circuit on select GM full-size SUVs. It is a direct-fit replacement for service work on the heating system in 2015-2020 Cadillac Escalade, Chevrolet Tahoe, and GMC Yukon applications.

Key Features

• HVAC heater hose for the heater inlet position
• Direct replacement for select 2015-2020 Cadillac Escalade and Escalade ESV models
• Also fits 2015-2020 Chevrolet Tahoe, GMC Yukon, and GMC Yukon XL
• Built for heater coolant routing in the vehicle HVAC system
• Dayco part number 70054 for catalog and service identification

Product Details

This Dayco heater hose is used in the heater inlet line that carries coolant to the heater core. It is a practical replacement choice when servicing the HVAC hose network on GM SUVs, including Cadillac Escalade, Chevrolet Tahoe, and GMC Yukon platforms. If you are searching for a Dayco 70054 heater hose for 2015-2020 Cadillac Escalade or a Dayco 70054 HVAC heater hose for 2015-2020 GMC Yukon XL, this part matches the listed application and position.

What It Helps Address

• Coolant leakage at the heater inlet hose
• Cracked or deteriorated HVAC hose material
• Restricted coolant flow to the heater core
• Loss of cabin heat from a damaged heater hose
• Service replacement for aging factory hose routing

Installation Notes

Verify the heater inlet routing, hose length, and connection points against the removed part before installation. Drain and refill coolant as required by the vehicle service procedure, and inspect adjoining clamps, fittings, and nearby hoses for wear during service. This part cross-references no listed alternate part numbers in the provided data.

Quality Assurance

Dayco is a recognized aftermarket brand for automotive hose and belt applications. Part number 70054 is cataloged for the heater inlet position on the listed GM vehicles, supporting accurate parts selection for HVAC repair.