One Stop Solutions 98051 HVAC Heater Core - Rear

OE-Style Rear Heater Core for GM Vans

The One Stop Solutions 98051 heater core is a direct replacement for rear HVAC service on select Chevrolet Express and GMC Savana vans. Built to match original equipment form and function, it uses aluminum construction with plated tubes and is individually pressure tested for fit and leak control.

Key Features

• Direct replacement HVAC heater core for rear applications
• Aluminum construction for OE-style fit and thermal performance
• Cadmium-plated tubes inside and out to help resist premature failure
• Individually pressure tested before release
• Foam and related accessories included with the unit
• Part number 98051 for easy identification

Detailed Description

One Stop Solutions 98051 is an HVAC heater core designed for rear heating systems in Chevrolet Express 1500, Express 2500, Express 3500, GMC Savana 1500, Savana 2500, and Savana 3500 applications. It also cross-references Spectra Premium 93051 for the same application. This heater core is made from aluminum as a direct replacement for copper-designed units, helping maintain OE-style dimensions and function in the rear HVAC assembly.

Compatible With 1996-2021 Chevrolet Express 2500, rear; 1996-2021 Chevrolet Express 3500, rear; 1996-2021 GMC Savana 2500, rear; 1996-2021 GMC Savana 3500, rear; 1996-2014 Chevrolet Express 1500, rear; 1996-2014 GMC Savana 1500, rear; 2001-2002 Chevrolet G30, rear; 1996 Chevrolet G30, rear; and 1996 GMC G3500, rear. The 98051 is a practical replacement when servicing rear heat output on these GM vans.

Common Issues This Part May Address

• Loss of rear cabin heat
• Coolant odor inside the vehicle
• Moisture or fogging from a leaking heater core
• Reduced heater performance in the rear HVAC system
• Corrosion-related heater core failure

Installation Notes and Tips

Verify rear HVAC configuration and match the original core dimensions before installation. Inspect hoses, seals, and surrounding HVAC components for wear or contamination while the system is open. Proper coolant refill and air bleeding are important after replacement to restore normal heater operation.

Quality Assurance

Each One Stop Solutions heater core is pressure tested individually before packaging. The aluminum construction and plated tubes are used to support durability in demanding HVAC service.