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Mishimoto OE Style Replacement Radiator (11-16 6.6L Duramax Sierra 3500 HD)Find parts that fit my vehicle

Item SHG54591
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Our Price

$281.95 each

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      Product Information

      Features, Description, Q&A, Specs & Installation

      Features

      • OE‑Style Replacement Radiator
      • OEM‑Grade Plastic End Tanks
      • Durable Aluminum Core Construction
      • Exact Stock Cooling Performance
      • Overall Length (43.7 in), Height (29 in), Width (6.2 in)
      • Core Size 33.5 × 27.5 × 1.9 in (L × H × Thick)
      • Single‑Row Core Design
      • Coolant Capacity ≈ 3 gal
      • Standard Inlet/Outlet Sizes (1.9 in & 2 in)
      • One-Hour Installation
      • Lifetime Limited Warranty
      • Fits 2011-2016 6.6L Duramax Sierra 3500 HD Models

      Description

      Superior Cooling Efficiency. Featuring a high-performance aluminum core paired with optimized fin density, the Mishimoto OE Style Replacement Radiator consistently delivers improved thermal capacity over stock units. This enhanced cooling efficiency helps maintain optimal engine temperatures even under heavy towing or demanding highway conditions in the Sierra 3500 HD.

      Built to Last. Built with a thick, reinforced aluminum radiator core and crimped end tanks, the Mishimoto OE Style Replacement Radiator stands up to the rigors faced by the 6.6L Duramax Sierra 3500 HD. Its heavy-duty design resists pressure deformation and thermal expansion, ensuring dependable performance mile after mile.

      All-Season Reliability. The high-quality aluminum and corrosion-resistant finish of the Mishimoto OE Style Replacement Radiator for the 2011–2016 6.6L Duramax Sierra 3500 HD guard against rust and degradation. This resilience ensures reliable cooling across extreme temperatures and harsh environments, from frigid winters to scorching summer highways.

      Comprehensive Cooling System Kit. The Mishimoto OE Style Replacement Radiator arrives as part of a complete cooling system solution tailored for the 2011–2016 6.6L Duramax Sierra 3500 HD, including mounting hardware, installation instructions, and hose fittings. This thorough kit accelerates the replacement process, giving you all essentials for a professional-grade install.

      Installation. Putting this Mishimoto OE Style Replacement Radiator on your 6.6L Duramax Sierra 3500 HD takes 1 hour to install.

      Warranty. There is a limited lifetime warranty on this product.

      Application. The Mishimoto OE Style Replacement Radiator fits 2011-2016 6.6L Duramax Sierra 3500 HD models.

      Mishimoto R13244

      CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

      Installation & What's in the Box

      Installation Info

      Installation Time

      (approx) 1 Hour

      Difficulty Level:

      Simple installation for anyone.

      Installation Guides

        No guide available for this part yet.

      What's in the Box

      • (1) OE‑Style Replacement Radiator
      • (1) Factory‑Replacement Drain Plug
      • Instructional Manual
      4.6

      Reviews of Mishimoto HVAC Products (500+)

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      Reviews of Mishimoto HVAC products have an average rating of 4.63 out of 5

      Questions & Answers

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      Will It Fit My Sierra 3500

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        Backed by a Lifetime Warranty.

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