CSF OE-Replacement Radiator - GMC Sierra 2500HD 6.6L Duramax (2011-2016)

Direct OE-replacement radiator for the 2011-2016 GMC Sierra 2500HD with the 6.6L Duramax diesel. The plastic tank and aluminum core follow the factory design, so it bolts into the stock location and reconnects to the original cooling lines.

Specifications

Shipping

• In-stock orders placed before 3 PM EST ship the same day — everything else ships within 24 hours.
• Standard, expedited, and overnight options at checkout.
• Oversized items ship by freight and take longer.
• Backordered items ship as soon as stock lands — contact us for lead times.
• International orders: prices do not include VAT, duties, or import fees. Your country charges these at import and they are the buyer’s responsibility.

Returns

• 30-day returns on new, uninstalled items in original packaging with all hardware.
• Standard returns: 8% restocking fee, buyer pays return shipping. Both waived if the item is defective or we made the error.
• Installed or used parts can’t be returned — confirm fitment before you install.
• Special orders and custom items are final sale.
• Email us for return authorization before shipping anything back.

Full details: Shipping Policy · Refund Policy