3-Row Radiator for Cadillac Escalade 1999-2000, Chevy/GMC C1500 C2500 C3500 K1500 K2500 K3500 Yukon, Replace DPI1520 BDFHYK

Restore and upgrade cooling performance with this direct-fit replacement radiator for select Cadillac, Chevrolet, and GMC full-size truck and SUV applications. Built with a 3-row, 44 mm AA5052 aluminum core and supplied with a CNC-machined radiator cap, it is designed to replace an aged, leaking, clogged, corroded, or damaged factory radiator and help maintain stable engine temperature during daily driving, highway use, towing, hauling, warm-weather operation, and classic truck restoration. 

Vehicle Fitment & OE Reference Numbers

OE / Interchange Reference Numbers: AE1520, EC1520, KKS1520, SBR1520, SPTCU1520, TYC1520, CC1520, DPI1520, DPI1522, DPI1693, 1520, 1522, 1693, RADS1520.

Before ordering: Compare the OE number, core dimensions, overall dimensions, inlet and outlet size, mounting points, drain location, and engine-bay clearance with the original radiator.

Product Specifications & Package Includes

Package Includes: 1 × 3-row 44 mm AA5052 aluminum radiator and 1 × CNC-machined radiator cap.

Signs Your Radiator Needs Replacement

• The engine runs hotter than normal or overheats during towing, hauling, idling, or warm-weather use.
• Coolant leaks appear around the radiator, seams, hose connections, drain area, or lower corners.
• The coolant level drops repeatedly without an obvious hose leak.
• The original radiator shows corrosion, damaged fins, internal blockage, or weakened seams.
• The temperature gauge fluctuates during city traffic, climbing, highway driving, or heavy-load use.
• The existing radiator no longer provides stable cooling for a restored or modified classic truck.

Replacing an aged radiator helps restore coolant circulation and heat transfer, reducing the risk of repeated overheating and related engine damage.

Key Features & Benefits

3-Row 44 mm AA5052 Aluminum Core: Provides increased cooling surface area and coolant capacity for compatible full-size truck and SUV applications.

Broad GM Platform Fitment: Designed around DPI1520-style mounting and connection locations for compatible Cadillac, Chevrolet, and GMC models.

Stable Cooling Under Load: Helps support engine temperature during commuting, towing, hauling, warm weather, traffic, and restoration use.

CNC-Machined Radiator Cap Included: Supplied as part of the package for the specified radiator configuration.

Leak Tested: Each radiator is checked before shipment to support dependable cooling-system performance.

Installation Notes & 4-Step Guide

Important: Older vehicles may have modified engines, brackets, hoses, fans, or engine-bay layouts. Compare the original setup carefully before installation. Professional installation is recommended.

1. Drain: Allow the engine to cool completely, remove the radiator cap carefully, and drain the old coolant into a suitable container.
2. Remove: Disconnect the radiator hoses, overflow hose, fan shroud or related components, and factory mounting hardware.
3. Install: Compare the dimensions and connection points, transfer reusable brackets or cushions when required, and install the new radiator using the compatible mounting locations.
4. Refill & Bleed: Reconnect all hoses, refill with the vehicle manufacturer-recommended coolant mixture, bleed trapped air, and inspect all connections for leaks.

After installation: Inspect the hoses, clamps, radiator cap, thermostat, cooling fan, water pump, and engine-bay clearance. Recheck coolant level and all mounting points after the first drive and again after the engine cools.