4 Core Radiator Replacement For Farm Tractor Aluminum Cooling Heavy Duty Upgrade Core 19.75 W X 15.94 H Overall 20.75 H X 20.56 W Fits 5200 5300 5400 5400N OEM RE66029 RE45611 Aircraft AA5052 Aluminum

1-piece 4-core aluminum radiator for John Deere tractors
✔️ core 19.75 x 15.94 in, 20.75 x 20.56 in, fits 5200-5400N, OEM RE66029

Engine cooling upgrade designed for John Deere tractors, this aluminum radiator replacement is built to replace OEM RE66029 and RE45611. It uses aircraft AA5052 aluminum, delivering a robust, leak-free cooling solution.

✅ Core size: 19-3/4 in W x 15-13/16 in H; Overall size: 20-3/4 in H x 20-9/16 in W
✅ Material: Aircraft AA5052 aluminum, raw finish
✅ OEM numbers: RE66029, RE45611
✅ 4-core design with high-density fins for max cooling
✅ 1-piece radiator pack

💡 What is the common use of aluminum radiators in tractor cooling systems? They help move heat away from the engine to keep temps in check.

- Handy for repairs and upgrades in rugged conditions
- Improves heat transfer with AA5052 aluminum
- Durable, leak-free design with higher coolant capacity
- Supports longer engine life under heavy use✝️