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MISHIMOTO TRANSMISSION COOLER|2003-2005 CHEVY/GM 6.6L DURAMAX (LB7/LLY)|
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        MISHIMOTO TRANSMISSION COOLER|2003-2005 CHEVY/GM 6.6L DURAMAX (LB7/LLY)|

        0.0
        Vehicle Specific
          • 23% off
        • $512.11 save $119.75
        • $392.36

        In stock (11 items available)
        OR
        Key Features
        • Direct fit for all 2003-2005 Chevrolet/GMC 6.6L Duramax (LB7/LLY) WITH PURPLE CLIPS
        • Stacked-plate construction for maximum durability and superior cooling
        • CNC-machined adapters make it easy to connect Mishimoto cooler to stock fluid lines or AN lines

        There's no greater enemy for a transmission than heat. Whether your 2003-2005 Chevy/GMC 6.6L Duramax is a dedicated tow vehicle, hardworking fleet truck, or a daily driver with a liking for the drag strip, you need to ensure that your transmission runs cool.

        Luckily, Mishimoto has developed a direct-fit transmission cooler to do just that. Our 2003-2005 Chevy/GMC 6.6L Duramax transmission cooler utilizes a stacked-plate design for maximum durability and powerful cooling. Aside from its durable construction, this transmission cooler is significantly larger than the stock core. The Mishimoto transmission cooler boasts a 174% greater core volume, and 192% greater fin surface area than the stock 2003-2005 Duramax transmission cooler.

        The included CNC-machined adapters connect directly to the stock transmission cooler lines for leak-free cooling. Direct-fit brackets and tailor-made hoses make installation easy. Like all Mishimoto products, this transmission cooler is backed up by our Lifetime Warranty with Accident Protection for worry free cooling as long as you own it.

        KIT INCLUDES:

        Mishimoto Stacked Plate Transmission Cooler
        CNC-Machined Quick-Disconnect to Hose Barb Adapters
        Stock-style Quick-Disconnect Fittings
        Transmission Hoses
        Mounting Brackets
        Worm Gear Clamps
        Zip Tie
        Mounting Hardware
        Mishimoto Lifetime Warranty
        NOTE: THIS KIT FITS WITH LATE 2003 TRUCKS WITH PURPLE CLIPS. EARLY 2003 TRUCKS WITH ORANGE CLIPS SHOULD USE MMTC-DMAX-01


        TECH SPECS:

        ROWS: 13

        CORE LENGTH (IN): 27.95

        CORE HEIGHT (IN): 5.78

        CORE THICKNESS (IN): 1.25

        ENGINE CODES: 6.6L DURAMAX

        CHASSIS CODS: LB7/LLY

        NOTE: THIS KIT FITS WITH LATE 2003 TRUCKS WITH PURPLE CLIPS. EARLY 2003 TRUCKS WITH ORANGE CLIPS SHOULD USE MMTC-DMAX-01

        INSTALLATION GUIDES:

        https://www.mishimoto.com/mwdownloads/download/link/id/1370

          • SKU
            MMTC-DMAX-03SL
          • Weight
            11 lbs
          • Dimensions (L x W x H)
            4 x 29 x 14 in
          • Manufacturer Part #
            MMTC-DMAX-03SL
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        • Fitment Type
          Vehicle Specific
        MakeModelYear
        CHEVY/GM2500/3500 HD2004.5-2005 LLY 6.6L DURAMAX
        CHEVY/GM2500/3500 HD2001-2004 LB7 6.6L DURAMAX