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Kenworth T660 Radiator Tubes, Gaskets & Hoses

Trust 4 State Trucks for top-quality Kenworth T660 radiator tubes, gaskets, and hoses. We offer durable, reliable parts to keep your truck running smoothly, mile after mile. For all your Kenworth T660 radiator needs, shop with us for lasting solutions and optimal performance.
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    RigMaster Small Lower Radiator Hose For Kohler Engine

    RigMaster Small Lower Radiator Hose For Kohler Engine

    RIGMASTER

    Now: $3.63
    Was: $9.50
    Kohler Small Lower Radiator Hose - KL5-003* High Quality Radiator Hose * Lower* Small * Sold Individually * Warranty On Radiator Hoses Against Defects In Workmanship & Material From Date Of...
    KL5003
    SKU:
    KL5003
    Truck Class:
    Heavy Duty
    Material Options:
    Rubber
    Make:
    Universal Items
    Product Type:
    Engine Parts
    Ready To Ship:
    Yes
    Now: $3.63
    Was: $9.50
    Qty in Cart: 0
    Price:
    Now: $3.63
    Was: $9.50
    Subtotal:
  • RigMaster Big Lower Radiator Hose For Kohler Engine

    RigMaster Big Lower Radiator Hose For Kohler Engine

    RIGMASTER

    $21.41
    Kohler Big Lower Radiator Hose - KL5-002* High Quality Radiator Hose * Lower* Big* Sold Individually * Warranty On Radiator Hoses Against Defects In Workmanship & Material From Date Of Purchase***...
    KL5002
    SKU:
    KL5002
    Truck Class:
    Heavy Duty
    Material Options:
    Rubber
    Make:
    Universal Items
    Product Type:
    Engine Parts
    Ready To Ship:
    Yes
    $21.41
    Qty in Cart: 0
    Price:
    $21.41
    Subtotal:
  • On Sale
    Limited Quantity Available
    RigMaster Upper Radiator Hose For Kohler Engine

    RigMaster Upper Radiator Hose For Kohler Engine

    RIGMASTER

    Now: $17.14
    Was: $24.48
    Kohler Top Radiator Hose - KL5-001* High Quality Radiator Hose * Upper * Sold Individually * Warranty On Radiator Hoses Against Defects In Workmanship & Material From Date Of Purchase*** High Quality...
    KL5001
    SKU:
    KL5001
    Truck Class:
    Heavy Duty
    Material Options:
    Rubber
    Make:
    Universal Items
    Product Type:
    Engine Parts
    Ready To Ship:
    Yes
    Now: $17.14
    Was: $24.48
    Qty in Cart: 0
    Price:
    Now: $17.14
    Was: $24.48
    Subtotal:
  • EDPM Coolant Branch Hose - 62854 For Continental

    EDPM Coolant Branch Hose - 62854 For Continental

    AFTERMARKET

    $77.99
    Continental Molded Radiator Coolant Hose Replaces OE 62854* High Quality Continental Coolant Branch Hose* EDPM* Dimensions:  - 4 Inch Length  - 8 Inch Width   - 11 Inch Height  - 0.75 Inch Inner...
    29-07020003
    SKU:
    29-07020003
    Material Options:
    Rubber
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $77.99
    Qty in Cart: 0
    Price:
    $77.99
    Subtotal:
  • Poly Reinforced 90 Degree Coolant Elbow 1-1/2 ID X 6-5/8 X 3-1/2 Inch For Kenworth

    Poly Reinforced 90 Degree Coolant Elbow 1-1/2 ID X 6-5/8 X 3-1/2 Inch For Kenworth

    AFTERMARKET

    $78.99
    90 Degree Poly Elbow For Coolant Connector Replaces V50-1041-170090Ensure reliable coolant flow and long-lasting performance with this Poly Reinforced 90 Degree Coolant Elbow for Kenworth trucks...
    02-07020005
    SKU:
    02-07020005
    Truck Class:
    Heavy Duty
    Material Options:
    Plastic/Poly
    Style Options:
    Elbow
    Diameter Options:
    1 1/2 Inch
    Make:
    Kenworth
    Product Type:
    Engine Parts
    Degree Options:
    90
    $78.99
    Qty in Cart: 0
    Price:
    $78.99
    Subtotal:
  • 3 Ply Silicone Coolant Hose 1.50 ID X 12 Ft

    3 Ply Silicone Coolant Hose 1.50 ID X 12 Ft

    FLEXFAB

    $259.99
    Heavy Duty Silicone Rubber Blue Coolant HoseThis heavy-duty silicone coolant hose has an inside diameter of 1.50 inches and measures 12 feet in length. It meets or exceeds the operating requirements...
    09-070201812
    SKU:
    09-070201812
    Length Options:
    144 Inch
    Truck Class:
    Universal
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $259.99
    Qty in Cart: 0
    Price:
    $259.99
    Subtotal:
  • On Sale
    FREE SHIPPING OVER $249
    Limited Quantity Available
    BESTfit Stainless Steel Lined Hose Clamp

    BESTfit Stainless Steel Lined Hose Clamp

    BESTFIT TRUCK PARTS

    $1.02 - $4.09
    Secure coolant and air system connections with the reliable BESTfit Stainless Steel Lined Hose Clamp 0.812?1.75 Inch. This high-quality aftermarket hose clamp is made from stainless steel and...
    PPR_202709
    SKU:
    PPR_202709
    Truck Class:
    Heavy Duty
    Material Options:
    Stainless Steel
    Make:
    Universal Items
    Product Type:
    Engine Parts
    Ready To Ship:
    Yes
    $1.02 - $4.09
    Qty in Cart: 0
    Price:
    $1.02 - $4.09
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Keep your Kenworth T660 running cool and reliable with our full lineup of cooling system parts built for durability and performance. Whether you're replacing worn-out components or upgrading for better efficiency, we've got you covered. Browse a wide selection of radiator hoses, gaskets, clamps, and coolant tubes everything you need to keep your engine temps in check. From high-temp silicone hoses and steel constant torque clamps to poly-reinforced elbows and molded coolant tubes, these parts are built to handle the heat and the miles. Whether you're doing routine maintenance or tackling a full system refresh, our cooling parts are made to fit your T660 right and keep your truck running strong. don't let a small leak turn into a big problem grab the parts you need and get back on the road with confidence. Shop now and keep your Kenworth T660 's cooling system working like it should cool, efficient, and ready for the long haul.

Frequently Asked Questions About Kenworth T660 Radiator Tubes, Gaskets & Hoses

What is included in this category?

This category covers cooling system components for the Kenworth T660, including radiator tubes (also known as coolant tubes or pipes that connect the radiator to the engine and other cooling system components), radiator gaskets and seals that prevent leaks at connection points, and radiator hoses that carry coolant between the radiator, engine, and surge tank. These parts work together to keep your cooling system sealed and functioning properly.

How do I know which radiator tube, gasket, or hose fits my T660?

Fitment can vary depending on the engine option, model year, and specific configuration of your T660. Always check the part description and OEM part number against your truck's specifications before ordering. If you're unsure, have your VIN and engine model on hand and reach out to our parts team for confirmation before purchasing.

What are the signs that a radiator tube, gasket, or hose needs to be replaced?

Common warning signs include visible coolant leaks or puddles under the truck, low coolant levels, overheating, coolant residue or crust around connection points, and cracked, bulging, or soft hoses. Catching these issues early can help prevent more serious engine overheating problems down the road.

Are these replacement parts OEM or aftermarket?

We carry a mix of OEM and quality aftermarket options depending on the specific part. Each product listing specifies whether the item is OEM or aftermarket, so you can choose based on your preference for original manufacturer specs or a more budget-friendly alternative.

Can I install a radiator tube, gasket, or hose myself, or should I have a mechanic do it?

Many drivers and fleet technicians with mechanical experience are able to replace radiator hoses and gaskets themselves, as the process generally involves draining coolant, removing the old component, and installing the new one with proper clamps or fasteners. However, since these parts are part of a pressurized cooling system, incorrect installation can lead to leaks or overheating. If you're not confident in the process, it's worth having a qualified technician handle the job.


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