Description:

This aluminum heater core is designed to restore efficient cabin heating and eliminate coolant leaks for a wide range of GMC, Chevrolet, and Cadillac vehicles. It provides a direct replacement to ensure your vehicle maintains a comfortable interior temperature during cold weather.
Technical Specifications

• Material: aluminum
• Height: 280 mm
• Width: 197.5 mm
• Depth: 46 mm
• Inlet: 16 mm

Compatible Models

• 1999 to 2000 Cadillac Escalade Base
• 1994 Chevrolet Blazer Base
• 1993 to 1999 GMC K1500 Suburban Base and SLE
• 1995 to 1999 GMC K1500 Suburban SLT
• 1988 to 1993 GMC K2500 Sierra
• 1994 to 2000 GMC K2500 Sierra SL, SLE, and SLT
• 1988 to 1993 GMC K2500 Sierra SLX
• 1995 to 1997 and 1999 GMC K2500 Suburban Base, SLE, and SLT
• 1995 to 2000 GMC K3500 Sierra SL, SLE, and SLT
• 1992 to 1995 GMC Yukon Base
• 1999 to 2000 GMC Yukon Denali
• 1993 GMC Yukon GT
• 1996 to 1997 GMC Yukon SL
• 1992 to 2000 GMC Yukon SLE
• 1995 to 2000 GMC Yukon SLT
• 1992 and 1994 GMC Yukon Sport
• 2000 GMC Yukon XL 1500 SLE and SLT
• 2000 GMC Yukon XL 2500 SLE and SLT

Replacement Information

• Replace numbers: 2403 450977, 398240, 8231249, 94483, 96011, 98483
• OEM equivalent part number: 6279018

Signs for Replacement

• Heater is not producing heat
• Coolant smell inside the vehicle
• Visible coolant leaking inside the vehicle