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Mishimoto R13244 Replacement Radiator for Chevy Silverado 6.6L Duramax

(2011-2016 Chevrolet Silverado 2500 HD; 2011-2016 Chevrolet Silverado 3500 HD; 2011-2016 GMC Sierra 2500 HD; 2011-2016 GMC Sierra 3500 HD)

Part of: Mishimoto Radiator

Other options in this family: Mishimoto R2957-MT Mishimoto R2370-AT Mishimoto R2263 Mishimoto R2138 Mishimoto R2211-MT

Manufacturer

Picture for manufacturer Mishimoto

Part Number

R13244
5 reviews
Sale Price

$281.95

In Stock (10+)

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Usually delivered within 2 days

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FREE SHIPPING

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Fitment guaranteed

Fitment guaranteed

Product Details

The Mishimoto R13244 is an OE-style replacement radiator designed as a direct-fit cooling solution for 2011-2016 Chevrolet Silverado 2500 HD and 3500 HD models equipped with the 6.6L Duramax LML diesel engine. This radiator provides a seamless replacement for aged, clogged, or leaking factory radiators that have deteriorated over time.

Construction and Design:

  • OEM-grade plastic end tanks paired with an aluminum core for reliable stock-level cooling performance
  • Direct-fit design requires no bending, cutting, or modifications during installation
  • Maintains full compatibility with all factory engine bay equipment
  • Raw metal and matte black finish for a clean, professional appearance

Key Features:

  • Restores proper cooling system efficiency in vehicles experiencing radiator failure
  • Built to OE-comparable standards for strength and durability
  • Provides long-lasting resistance against wear, pressure, and corrosion
  • Ideal solution for replacing radiators with leaks, clogs, or plastic component cracks
  • Backed by Mishimoto's Lifetime Warranty

This replacement radiator delivers dependable heat dissipation to protect your engine from overheating during daily driving, heavy hauling, and towing applications. Whether you're working at the job site or on the highway, the Mishimoto R13244 ensures your Duramax maintains optimal operating temperatures.

Products specifications

Fits

2011-2016 Chevrolet Silverado 2500 HD; 2011-2016 Chevrolet Silverado 3500 HD; 2011-2016 GMC Sierra 2500 HD; 2011-2016 GMC Sierra 3500 HD

Prop 65

WARNING: Cancer and Reproductive Harm - www.p65warnings.ca.gov

TechSpec Overall Height (in)

29

TechSpec Overall Length (in)

43.7

TechSpec Overall Width (ins)

6.2

TechSpec Core Length (in)

33.5

TechSpec Core Height (in)

27.5

TechSpec Rows

1

TechSpec Inlet (in)

1.9

TechSpec Outlet (in)

2

TechSpec Core Thickness (in)

1.9

TechSpec DPI

13244

TechSpec Material

PA66 & Aluminum

TechSpec Applications

Chevrolet Silverado 2500 HD 6.6L V8 2011-2016--Chevrolet Silverado 3500 HD 6.6L V8 2011-2016--GMC Sierra 2500 HD 6.6L V8 2011-2016--GMC Sierra 3500 HD 6.6L V8 2011-2016

TechSpec Engine Codes

6.6L Duramax

TechSpec Chassis Codes

GMT900--K2XX

TechSpec Includes

(1) Factory Replacement Radiator -- Mishimoto Lifetime Warranty

Install Difficulty

2

Very fast and correct product!

Easy ordering process

Good price on my coilpacks and fast shipping!

Web site was easy and check out was a breeze

Delivered pretty fast

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