Global Parts 8231581 HVAC Heater Core

HVAC Heater Core for Mercedes-Benz Applications

Global Parts 8231581 is a specific-fit HVAC heater core built with an aluminum construction for direct replacement service. It transfers heat from the engine cooling system into the cabin, helping restore proper interior heat output on supported Mercedes-Benz and Nissan Quest applications.

Key Features

• Specific-fit heater core for direct application matching
• Aluminum construction for efficient heat transfer
• Designed for vehicles that use a fixed pipe position
• Fits a wide range of Mercedes-Benz models, including CLK350, S550, S600, and E320
• Part number 8231581 for easy identification and ordering

Detailed Description

This Global Parts HVAC heater core is engineered for vehicles that need a replacement core to move engine coolant heat into the passenger compartment. The aluminum design supports thermal transfer while maintaining the fitment required for the listed Mercedes-Benz models and the 2000 Nissan Quest. If you are replacing a leaking, restricted, or inefficient heater core, part number 8231581 provides a direct-fit solution for the specified applications. This part cross-references Focus Auto Parts 99059 for the same application.

What It Helps Address

• Weak or inconsistent cabin heat
• Coolant odor or moisture from a leaking heater core
• Restricted coolant flow through the heater circuit
• Fogging or defrost performance issues caused by poor heat output
• Temperature imbalance between the engine cooling system and cabin HVAC output

Installation Notes and Tips

Verify vehicle fitment by year, make, and model before installation. This heater core is a specific-fit component with no adjustable pipe positioning, so the coolant line routing must match the vehicle’s original configuration. Because heater core replacement often requires access through the HVAC case, inspect related hoses, clamps, and coolant condition during service.

Quality Assurance

Global Parts supplies replacement HVAC components for direct-fit service applications. Part number 8231581 is built to match the listed vehicle coverage and material specification for dependable replacement use.