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Stainless Steel Coolant Tubes for the Kenworth W900 W900L



Replaces OEM Part Numbers - K181-5597, K181-5598, & K181-5141



Compatible with the following Kenworth trucks and Caterpillar engines - 

  • OEM # K181-5141 is a lower radiator replacement coolant tube compatible with the Kenworth W900B truck with the Caterpillar (CAT) 3176 & C15 engines, as well as the Kenworth W900L truck with the Caterpillar (CAT) C12, C15, & Accert engine.


  • OEM # K181-5597 is a lower radiator replacement coolant tube compatible with the Kenworth W900B & W900L trucks with the Caterpillar (CAT) C15 Engines


  • OEM # K181-5598 is an upper radiator replacement coolant tube compatible with the Kenworth Tube For 1990-2011 Kenworth W900B, W900L, with Cat C15, 3406E Engines 



Please Make Your Selection
SKU: 02814213
  • Product Description:

    We honor and respect the hard work that you do. This is why our professional experience and commitment to quality materials is the best choice when you want to ensure that your one-time replacement of the coolant tubes in your truck lasts a lifetime. We'll keep your truck on the road running reliably where it belongs and not held for maintenance or repair.   


    B2 Fabrication coolant tubes are constructed from solid 304 stainless steel mandrel bends with a wall thickness of .065 and feature bead rolled tubing ends. The machined fittings and flange are tig welded to the stainless bends in our fabrication shop located in Michigan, USA by a fabricator with professional race experience. Quality materials and professional craftmanship offer you a one-time, rust free, lifetime replacement. This is the last coolant tube you'll ever have to buy


    Replacement coolant tubes can be purchased individually as or as a set of three tubes. Each tube is a direct replacement for the Kenworth W900/ Kenworth W900L truck with Cat engine (Cat, C15,C16, 3406E). Please see the compatibility information above when making your selection.



  • Shipping and Handling

    All B2 Fabrication orders placed before 2pm EST will ship on the same or next business day. For additional details regarding our shipping policies, please visit our policies page

  • Returns:

    We are committed to you, our customer and we want you to be please with the quality, craftsmanship, and performance of your purchase every time. However, if you find that something does not meet your expectations, we are committed to doing our best to help you find a solution.


    Due to the custom nature of our products we recommend that you review the product information carefuly and reach out to our service team with any questions you may have, as well as review our return and exchange policy, before placing your purchase.