One Stop Solutions 98059 HVAC Heater Core

1997-1999 Cadillac Catera Heater Core

Replace a leaking or restricted heater core with this OSC Premium new HVAC heater core for the 1997-1999 Cadillac Catera. Part number 98059 is built to match original equipment form and function for direct replacement service.

Key Features

• Fits 1997-1999 Cadillac Catera, N/A
• Premium aluminum construction
• Cadmium-plated tubes inside and out to help resist premature failure
• Individually pressure tested before release
• Foam and related accessories included as supplied by the manufacturer
• Direct replacement for copper-designed heater core applications

Product Details

OSC Premium heater cores are engineered for OE-style fit and function in the HVAC system. This heater core uses aluminum construction and protective tube plating to support long-term service in the heating circuit. Part number 98059 is a direct replacement option for the Cadillac Catera heater core application and is also cross-referenced to Hayden 2738 for the same application.

Common Repair Symptoms

• Loss of cabin heat
• Coolant odor inside the vehicle
• Fogging or dampness from a leaking HVAC core
• Restricted coolant flow through the heater circuit
• Temperature inconsistency from a failing heater core

Installation Notes

Verify vehicle fitment before installation on the 1997, 1998, or 1999 Cadillac Catera. Inspect the HVAC housing, coolant hoses, and seals during replacement, and confirm the system is properly bled after installation to restore heater performance.

Quality Assurance

Each OSC heater core is pressure tested individually before it leaves the manufacturer. The aluminum design and plated tubes are used to support durability in demanding HVAC service.