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home > 2011-2016 Chevrolet Silverado 2500/3500 GMC Sierra 2500/3500 6.6L Diesel Radiator > 2011-2016 Chevrolet Silverado 2500/3500 GMC Sierra 2500/3500 6.6L Diesel Radiator
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2011-2016 Chevrolet Silverado 2500/3500 GMC Sierra 2500/3500 6.6L Diesel Radiator6. 6L Diesel Radiator Heavy duty cooling core engineered for sustained diesel operation and towing cycles. Built to handle the thermal demands of 6. 6L diesel engines in full load conditions. Direct replacement construction ensures OEM fitment and performance without modification. Ships from FL Warehouse In House Quality Check Direct from Warehouse Key Features Full core design maximizes surface area for efficient heat dissipation under load OEM
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6.6L Diesel Radiator

Heavy-duty cooling core engineered for sustained diesel operation and towing cycles. Built to handle the thermal demands of 6.6L diesel engines in full-load conditions. Direct replacement construction ensures OEM fitment and performance without modification.

✓ Ships from FL Warehouse ✓ In-House Quality Check ✓ Direct-from-Warehouse
Key Features
  • Full-core design — maximizes surface area for efficient heat dissipation under load
  • OEM-equivalent construction — direct bolt-in replacement, no fabrication required
  • Diesel-rated thermal capacity — handles sustained high-temperature operation and towing duty cycles
Specs
  • Complete radiator assembly, ready to install
Whats Included
  • Radiator core assembly only
Frequently Asked Questions

Will this radiator work with my factory fan shroud and hoses?

Yes — this is a direct OEM replacement. Your existing fan, hoses, and mounting hardware bolt up without modification. Drain your coolant, unbolt the old unit, and install the new one using the same fastener points.

Do I need to flush the system before installing this?

Absolutely. Run a coolant flush to remove sediment and debris from the old radiator and lines. Any contaminants left behind will clog the new core and tank. Use the cooling system capacity specified in your service manual and recommended coolant type for your year.

What if my radiator leaks or fails after I install it?

Contact our support team with photos of the failure and your order number. We handle defect claims directly — no runaround. Warranty coverage is subject to proper installation and coolant maintenance.

2011-2016 Chevrolet Silverado 2500/3500 GMC Sierra 2500/3500 6.6L Diesel Radiator

Item no : 57118981999
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US$ 135.00
Pay in 4 interest-free payments of $33.75 Learn more
Min. order: 1piece

Shipping Estimate
USA
  • USA
  • CAN

Ships within 48 hours · Estimated delivery Jul 2 - Jul 7

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US$ 135.00

1-11

US$ 121.50

12-35

US$ 94.50

36-59

US$ 81.00

60+

US$40

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Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy

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