Cat C15 C16 3406E. Kenworth W900 Lower Coolant Tube Fits Cat C15 3406E Stainless Steel K181-5141. Lower Coolant Tube Kenworth W900 Cat C15 Acert Stainless Steel 3406E # F66-1447. Kenworth Coolant Tube.
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Upper Coolant Tube Fits Peterbilt 379 Stainless Steel Cat C15 C16 3406E 07-06508
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Stainless Steel Upper Coolant Tube FIT Peterbilt 359 379 Cat C15/C16 3406E 2.5''