Heater Core | 1999-2014 Chevy Silverado GMC Sierra Cadillac Escalade | OEM 89018297

Your Chevy or GMC’s cab heat isn’t working — or you’ve got a coolant leak, foggy windows, or a sweet smell inside the cab. All classic signs of a failing heater core. This direct-fit aftermarket replacement restores reliable cabin heat and defrost performance across the full 1999–2014 GMT800/GMT900 platform.OEM Cross-Reference: 89018297, 52473326 | SKU: HC8295Fits: Cadillac: Escalade, Escalade ESV, Escalade EXT (1999–2014) Chevrolet: Avalanche, Silverado 1500/2500/2500 HD/3500, Suburban, Tahoe (1999–2014) GMC: Sierra 1500/2500/2500 HD/3500, Yukon, Yukon XL (1999–2014) Why replace it? No heat or reduced heat output from cab vents Coolant leak inside the cab or from the heater core housing Sweet smell inside the cab (coolant vapor indicator) Foggy or film-coated windows (coolant mist from a leaking core) Specifications: Core Length: 8 1/4" Core Height: 7 1/4" Core Width: 1 1/8" Overall Length: 10 1/2" Overall Height: 8" Overall Width: 7 1/2" Inlet Fitting: 1/2" Outlet Fitting: 1/2" Direct fit. Fast shipping from Ram Parts USA.