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  • 2000-2005 Buick LeSabre / Pontiac Bonneville Radiator (3.8L V6)
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2000-2005 Buick LeSabre / Pontiac Bonneville Radiator (3.8L V6)
2000-2005 Buick LeSabre / Pontiac Bonneville Radiator (3.8L V6)
2000-2005 Buick LeSabre / Pontiac Bonneville Radiator (3.8L V6)
2000-2005 Buick LeSabre / Pontiac Bonneville Radiator (3.8L V6)
2000-2005 Buick LeSabre / Pontiac Bonneville Radiator (3.8L V6)
2000-2005 Buick LeSabre / Pontiac Bonneville Radiator (3.8L V6)
Load image into Gallery viewer, 2000-2005 Buick LeSabre / Pontiac Bonneville Radiator (3.8L V6)
Load image into Gallery viewer, 2000-2005 Buick LeSabre / Pontiac Bonneville Radiator (3.8L V6)
Load image into Gallery viewer, 2000-2005 Buick LeSabre / Pontiac Bonneville Radiator (3.8L V6)
Load image into Gallery viewer, 2000-2005 Buick LeSabre / Pontiac Bonneville Radiator (3.8L V6)
Load image into Gallery viewer, 2000-2005 Buick LeSabre / Pontiac Bonneville Radiator (3.8L V6)
Load image into Gallery viewer, 2000-2005 Buick LeSabre / Pontiac Bonneville Radiator (3.8L V6)

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2000-2005 Buick LeSabre / Pontiac Bonneville Radiator (3.8L V6)

K2 Industries
K2-10512-BUI-006-EC
Engine Components
$200.00 $159.99
$159.99
customers are viewing this product
2000-2005 Buick LeSabre / Pontiac Bonneville Radiator (3.8L V6)
Description
2000–2005 Buick LeSabre / Pontiac Bonneville Radiator — 3.8L V6

Direct-fit radiator engineered for the 3.8L V6 in these LeSabre and Bonneville models. Built for OEM cooling performance and designed to bolt into factory mounting points without modification. Primed and ready for installation.

✓ Ships from FL Warehouse ✓ Factory Mounting Points ✓ In-House Quality Check
Key Features
  • Direct OEM fitment - Eliminates guesswork; mounts at factory points with no drilling or adapter brackets needed.
  • Full-core cooling capacity - Designed to handle the thermal load of the 3.8L V6 under normal and highway driving conditions.
  • Primed and sealed - Ships ready to install; no stripping or prep required before bolting in.
Specs
  • Hard panel construction with sealed internal passages
  • OEM-equivalent core configuration for 3.8L V6 engines
  • Factory mounting tabs and inlet/outlet port locations
Whats Included
  • Radiator assembly
Frequently Asked Questions

Do I need to flush or prep the cooling system before installing this?

Yes — drain the old coolant completely and flush the system with distilled water to remove sediment and debris. This ensures the new radiator seats properly and prevents blockages. Let the system dry, then install and refill with fresh coolant per your owner's manual specification.

Will this radiator work with my factory hoses and thermostat housing?

The inlet and outlet ports are positioned at factory locations, so existing hoses will align without modification. Your current thermostat housing, water pump, and hose fittings remain unchanged. If hoses are original and stiff, consider replacing them at the same time for reliability.

What if I need to return this after opening it?

Contact ModSupply directly with your order number and reason for return within the return window. Radiators must be unused and sealed to qualify for return. Once installed and filled with coolant, return is not available due to contamination risk.

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