Global Parts 8221324 HVAC Heater Hose Fitting

Heater Hose Fitting for Nissan HVAC Service

Global Parts 8221324 is an HVAC heater hose fitting for coolant routing at the heater core tubes. It is a direct-fit service part for select Nissan Frontier and Nissan Xterra applications, helping restore proper coolant transfer through the heater circuit.

• HVAC heater hose fitting for heater core tube connections
• Fits 2001-2004 Nissan Frontier, N/A, Heater Core Tubes
• Fits 2000-2004 Nissan Xterra, N/A, Heater Core Tubes
• OE-style replacement for coolant connection service
• Part number 8221324 for catalog matching and ordering

Application Details

This fitting is used in the heater hose and heater core tube area where coolant moves between the engine cooling system and the vehicle cabin heater circuit. In Nissan Frontier and Nissan Xterra models, the heater core tubes rely on a secure connection to maintain consistent coolant flow for cabin heat and system integrity. This part cross-references Dorman OE Solutions 902-099 for the same application.

Common Repair Uses

• Leaking or damaged heater hose connection at the heater core tubes
• Restricted coolant flow through the cabin heater circuit
• Cracked, corroded, or worn HVAC hose fitting
• Loss of heater performance caused by a poor coolant connection
• Service replacement for a failed heater core tube fitting

Installation Notes

Verify the vehicle year, model, and heater core tube configuration before installation. Inspect adjacent hoses, clamps, and coolant passages for wear or contamination, and confirm the cooling system is properly bled after service. Use the part number 8221324 to confirm application during ordering and repair planning.

Quality Assurance

Global Parts supplies this HVAC hardware component as an OE-style replacement part for the listed Nissan applications. The manufacturer description identifies this fitting as part of the coolant transfer path used with heater cores, thermostat housings, and water outlets in the vehicle cooling system.