Keystone GM3010630 OEM Replacement Radiator for Silverado/Sierra - 1500 5.3L/6.2L

The Keystone GM3010630 is an OEM-style replacement radiator engineered for 2019–2025 Chevrolet Silverado 1500 and GMC Sierra 1500 trucks equipped with the 5.3L or 6.2L V8 engine and without the Max Trailering Package. Designed to restore factory cooling performance, this radiator features a plastic tank and aluminum core construction — matching the original equipment layout — for a direct, hassle-free fit.

This unit replaces OEM part number 85575814 (also cross-references: 23388801, 23388802, 84300079, 84301711, 84301712, 84537761, 84580360). The Partslink number is GM3010630.

Key Features:

• Direct OEM-style replacement — bolt-on fitment with no modifications required
• Compatible with 5.3L and 6.2L V8 engines on 2019–2025 Silverado 1500 and Sierra 1500
• Designed for vehicles without the Max Trailering / Enhanced Towing Package (a different radiator is required for Max Trailering-equipped trucks)
• Aluminum core construction for efficient heat dissipation
• Includes transmission oil cooler fitting for automatic transmission applications
• OEM part number cross-reference: 85575814, 23388801, 23388802, 84301712

Restoring your truck's cooling system to factory specification helps protect the engine from overheating, prevents coolant leaks caused by cracked or fatigued original components, and ensures reliable performance under towing, hauling, and everyday driving conditions. This is a straightforward swap that uses the factory mounting points and hose connections.