Replacement Heater Core Compatible with GMC Sierra 2500 HD Classic and Sierra 3500 Classic (2007) V8 Diesel 6.6L with Rear Center Console Vents

Sawyer Auto replacement parts are built to direct-fit specifications using high-grade materials. Every part is tested for reliability and precise compatibility with your vehicle.

• 【❗Fitment (Vehicle Compatibility)❗:】 Direct Replacement For 2007 Gmc Sierra 2500 Hd Classic And Sierra 3500 Classic Crew And Extended Cab 4-Door Models With Rear Center Console Vents; Intended For V8 Diesel 6.6L Engines As Specified.
• ✅【 Function (Part Description):】 Designed To Transfer Engine Coolant Heat Into The Vehicle Hvac System To Provide Cabin Heating As Part Of The Factory Climate Control.
• ✅【 Replacement Reason (Service Description):】 Commonly Replaced When The Factory Core Develops Leaks, Internal Clogging, Surface Wear, Or Other Failures That Allow Coolant Loss Or Restrict Coolant Flow.
• ✅【 Construction and Material:】 Oe-Style Construction With A Multi-Row Core, Fins And Tanks, And Factory-Compatible Inlet/Outlet Fittings Appropriate For Diesel Coolant Plumbing.
• ✅【 Testing and Installation:】 Pressure-Tested And Inspected For Leaks Prior To Shipment; Installs Using Factory Mounting Points And Common Hand Tools Professional Installation Recommended If Unfamiliar With Hvac Coolant Service.