One Stop Solutions 98483 HVAC Heater Core - Front

OE-Style Heater Core for GM Trucks and SUVs

Restore cabin heat with this One Stop Solutions heater core, part number 98483. It is built as a direct replacement for OE-style fit, form, and function in a wide range of Chevrolet and GMC applications, including Silverado 3500, C/K trucks, Suburban, Tahoe, Yukon, and Blazer models.

Key Features

• Drop-in fit, form, and function for direct replacement service
• Premium-grade aluminum construction for added durability
• Cadmium-plated tubes inside and out to help resist premature failure
• Individually pressure tested before release
• Includes necessary foam and accessories for installation
• Built to address original design failures and extend service life on high-mileage vehicles
• Uses cycle, vibration, burst, and environmental testing methods

Detailed Product Overview

One Stop Solutions 98483 is an HVAC heater core engineered for Chevrolet and GMC trucks and SUVs that need dependable heat transfer and OE-style packaging. This aluminum heater core is a direct replacement for copper-designed units and is made to match original equipment form and function. It is a practical choice for 1988-2002 Chevrolet Silverado 3500, C/K series, Suburban, Tahoe, Blazer, and GMC C/K, Suburban, and Yukon applications.

This part cross-references Spectra Premium 94483 and 398240 for the same application. The 98483 heater core is a fitment-focused replacement for drivers searching for a Chevrolet C1500 heater core, GMC K1500 heater core, or front heater core for a 1992-1999 Chevrolet Tahoe.

What It Helps Solve

• Weak or inconsistent cabin heat
• Leaks caused by aging heater core materials
• Premature failure in high-mileage HVAC systems
• Fitment issues from worn or incorrect replacement cores
• Heat transfer loss from corroded or damaged internal passages

Installation Notes and Tips

Verify year, make, model, and heater core position before installation. This part fits N/A and front applications as listed in the fitment data, including front heater core locations on select Suburban, Tahoe, and Yukon models. Compare the original core dimensions and hose connections before removal, and inspect the HVAC case, seals, and related components during service.

Quality Assurance

OSC Premium heater cores are individually pressure tested and built from premium aluminum with plated tubes to help resist early failure. The design is validated through cycle, vibration, burst, and environmental testing to support consistent performance in Chevrolet and GMC heating systems.