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International DuraStar Transmission Coolers

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    Eaton Fuller Transmission Oil Cooler Mount 18209

    Eaton Fuller Transmission Oil Cooler Mount 18209

    OPP - ORIGINAL PARTS PROGRAM

    $8.12
    Transmission Cooler Mounting Block Kit* High Quality Transmission Mounting Block Kit* Fits 29-07050406 Coolers* Sold Individually* Warranty On Transmission Mounting Block Kits Against Defects In...
    29-07050407
    SKU:
    29-07050407
    Truck Class:
    Heavy Duty
    Material Options:
    Aluminum
    Make:
    Universal Items
    Product Type:
    Engine Parts
    Ready To Ship:
    Yes
    $8.12
    Qty in Cart: 0
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    $8.12
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  • Engine Oil Cooler 2 X 3.7 Inch 7 Row Replaces 3975818, 68015126AA For International, Freightliner

    Engine Oil Cooler 2 X 3.7 Inch 7 Row Replaces 3975818, 68015126AA For International, Freightliner

    DAYTON / DORMAN

    $785.99
    Engine Oil Cooler W/ .6 Inch Inlet & OutletThe Dorman engine oil cooler is designed to match the fit and function of an original equipment cooler, crucial for maintaining proper engine oil...
    29-072025
    SKU:
    29-072025
    Truck Class:
    Heavy Duty
    Make:
    Freightliner
    Product Type:
    Engine Parts
    $785.99
    Qty in Cart: 0
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    $785.99
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The transmission coolers product lineup for International DuraStar trucks includes a variety of high-quality oil coolers and components designed to keep your transmission operating smoothly. These coolers are engineered to maintain optimal fluid temperatures, helping to prevent overheating and prolonging the lifespan of your truck’s transmission. With trusted brands like Eaton Fuller, BESTfit, and Navistar, this selection offers the reliability and durability you need. Whether you require a complete replacement cooler or specific components, you’ll find the parts necessary for efficient operation and reduced wear on your transmission. Upgrading your truck’s cooling system with these premium transmission coolers can enhance performance and lower maintenance costs, ensuring your DuraStar is ready for the long haul.

Frequently Asked Questions About International DuraStar Transmission Coolers

What does a transmission cooler do, and why does my International DuraStar need one?

A transmission cooler helps regulate the temperature of your transmission fluid by dissipating heat before it can cause fluid breakdown or transmission damage. On a DuraStar, which is often used for vocational and medium-duty work involving frequent stops, heavy loads, or extended idling, keeping transmission fluid within a safe temperature range helps protect internal components and supports smoother shifting over the life of the truck.

Will a replacement transmission cooler fit my specific DuraStar model year?

Fit can vary based on model year, engine configuration, and transmission type, so it is important to check the listed specifications and part numbers against your truck's information before ordering. If you are unsure, having your VIN and current transmission cooler part number on hand will make it much easier to confirm compatibility before purchase.

What material and construction should I look for in a transmission cooler?

Most transmission coolers use aluminum construction for its combination of light weight and good heat transfer properties. Look for solid core construction, clean weld seams, and fittings that match your existing lines. A well-built cooler should hold up to constant vibration, temperature cycling, and exposure to road debris without leaking or cracking over time.

Can I install a transmission cooler myself, or should I have a shop do it?

Installation involves connecting the cooler to your existing transmission cooler lines, which typically requires draining some fluid, disconnecting the old unit, and properly securing the new one with correct fittings and hose clamps. If you are comfortable with basic mechanical work and have the right tools, this is a job many owner-operators handle themselves. If you are less experienced with transmission cooling systems or your truck has a more complex line routing, having a qualified technician handle the install can help avoid leaks or improper mounting.

How do I know if my current transmission cooler needs to be replaced?

Common signs include visible leaks around the cooler or its fittings, corrosion or physical damage to the core, transmission fluid running consistently hot, or fluid that appears discolored or burnt when checked. If you are noticing any of these issues, or if your truck is regularly working in high heat, heavy load, or stop-and-go conditions, it is worth inspecting the cooler and considering a replacement before it leads to bigger transmission problems.


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