October 10, 2015Accessorieskbdp1 +3 Stainless Upper Coolant Tube for Peterbilt 379 CAT C15 C16 3406E 1006508 KB-1006508 $98.95 In stock Quantity: 1 Add to Bag Product Details Cross Reference:: 07-06508 *Please verify our OE cross reference number with your dealer or the part number on your current tube. Many tubes will look similar with slight differences. 304 Stainless Steel Coolant Tube for Peterbuilt 379 with CAT C15 C16 3406E engines. 2.5" Upper coolant tube Save this product for later Favorite