One Stop Solutions 98050 HVAC Heater Core - Front

OE-Style Heater Core Replacement

Restore cabin heat with this One Stop Solutions HVAC heater core, part number 98050. It is built as a direct replacement for OE-style applications and is designed for vehicles that need a front heater core service on GM full-size trucks and SUVs.

Fits 1999-2015 Chevrolet Silverado, front; fits 2000-2016 GMC Yukon, front; and fits 2002-2015 Cadillac Escalade, front, depending on the exact configuration listed below.

• 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

Fitment Details

• Fits 2007-2015 Cadillac Escalade ESV, front
• Fits 2007-2015 GMC Yukon, front
• Fits 2007-2014 Chevrolet Silverado 2500 HD, N/A
• Fits 2001-2002 Chevrolet Silverado 2500 HD, N/A
• Fits 2007-2014 Chevrolet Silverado 3500 HD, N/A, w/Aux Temp Controls
• Fits 2007-2014 Chevrolet Suburban 1500, front
• Fits 2007-2014 Chevrolet Tahoe, front
• Fits 2007-2014 GMC Yukon XL 1500, front
• Fits 2007-2013 Cadillac Escalade, front
• Fits 2010-2013 Cadillac Escalade EXT, N/A
• Fits 2007-2013 Chevrolet Avalanche, front, w/o RPO Code CJ3/D07
• Fits 1999-2013 Chevrolet Silverado 1500, front, w/o RPO Code CJ3/D07
• Fits 2007-2013 Chevrolet Suburban 2500, front
• Fits 2007-2013 GMC Sierra 1500, N/A
• Fits 2001-2013 GMC Sierra 2500 HD, front, w/o RPO Code CJ3/D07
• Fits 2007-2013 GMC Sierra 3500 HD, front, w/o RPO Code CJ3/D07
• Fits 2007-2013 GMC Yukon XL 2500, front
• Fits 2007-2009 Cadillac Escalade EXT, front
• Fits 2003-2009 Hummer H2, front, w/o RPO Code CJ3/D07
• Fits 2007 Chevrolet Silverado 1500 Classic, N/A, wo/AC
• Fits 2007 Chevrolet Silverado 1500 HD Classic, N/A, wo/ Center Console
• Fits 2007 Chevrolet Silverado 2500 HD Classic, N/A, wo/AC
• Fits 2007 Chevrolet Silverado 3500 Classic, N/A, wo/ Center Console
• Fits 2007 GMC Sierra 1500 Classic, N/A, w/ ATC
• Fits 2007 GMC Sierra 1500 HD Classic, N/A, wo/ Center Console
• Fits 2007 GMC Sierra 2500 HD Classic, N/A, wo/ Center Console
• Fits 2007 GMC Sierra 3500 Classic, front, w/o RPO Code CJ3/D07
• Fits 2002-2006 Cadillac Escalade, front, w/o RPO Code CJ3/D07
• Fits 2003-2006 Cadillac Escalade ESV, front, w/o RPO Code CJ3/D07
• Fits 2002-2006 Cadillac Escalade EXT, front, w/o RPO Code CJ3/D07
• Fits 2002-2006 Chevrolet Avalanche 1500, front, w/o RPO Code CJ3/D07
• Fits 2002-2006 Chevrolet Avalanche 2500, front, w/o RPO Code CJ3/D07
• Fits 2005-2006 Chevrolet Silverado 1500 HD, N/A
• Fits 2001-2003 Chevrolet Silverado 1500 HD, N/A
• Fits 2003-2006 Chevrolet Silverado 2500 HD, N/A, wo/AC
• Fits 2001-2006 Chevrolet Silverado 3500, front, w/o RPO Code CJ3/D07
• Fits 2000-2006 Chevrolet Suburban 1500, front, w/o RPO Code CJ3/D07
• Fits 2000-2006 Chevrolet Suburban 2500, front, w/o RPO Code CJ3/D07
• Fits 2000-2006 Chevrolet Tahoe, front, w/o RPO Code CJ3/D07
• Fits 1999-2006 GMC Sierra 1500, front, w/o RPO Code CJ3/D07
• Fits 2005-2006 GMC Sierra 1500 HD, front, w/o RPO Code CJ3/D07
• Fits 2001-2003 GMC Sierra 1500 HD, front, w/o RPO Code CJ3/D07
• Fits 2001-2006 GMC Sierra 3500, front, w/o RPO Code CJ3/D07
• Fits 2000-2006 GMC Yukon, front, w/o RPO Code CJ3/D07
• Fits 2000-2006 GMC Yukon XL 1500, front, w/o RPO Code CJ3/D07
• Fits 2000-2006 GMC Yukon XL 2500, front, w/o RPO Code CJ3/D07
• Fits 2005 GMC Sierra 2500 HD, N/A
• Fits 1999-2004 Chevrolet Silverado 2500, front, w/o RPO Code CJ3/D07
• Fits 1999-2004 GMC Sierra 2500, front, w/o RPO Code CJ3/D07

Common Repair Uses

• Loss of cabin heat in Chevrolet Silverado and GMC Sierra trucks
• Coolant seepage at the heater core area
• Restricted heater performance in Cadillac Escalade and GMC Yukon SUVs
• Fogging or sweet coolant odor from a leaking HVAC core
• Temperature inconsistency from a failing front heater core

Installation Notes

Verify the vehicle’s year, make, model, position, and option codes before ordering, especially where notes reference RPO Code CJ3/D07, auxiliary temperature controls, AC, or center console configurations. This heater core is an aluminum replacement for copper-designed applications, so confirm the original layout matches the listed fitment.

Part number 98050 cross-references Spectra Premium 93050 for the same application.

Quality Assurance

One Stop Solutions specifies premium-grade aluminum construction, cadmium-plated tubes, and individual pressure testing for this heater core. The unit is supplied with foam and accessories as included by the manufacturer.