Peterbilt Coolant Tube Lower OEM: F66-6178


Brand: Peterbilt

Product: Lower Coolant Tube

OEM: F66-6178

Estimated Shipping Varies


This is a stainless steel lower coolant tube that fits Peterbilt model 387 with a C-15 3406e Cat engine. The radiator and charge air cooler are side by side. On some early model 387s, this tube came from the factory as a hose. The tube is an exact fit replacement. 100% stainless steel all components are tig welded and pressure tested. All components are manufactured in the USA from high-quality 304 Stainless Steel.

O.E.M: F66-6178 and 07-08173

  • Tube inlet size: 2-1/2″ Beaded
  • Tube outlet size: 3″ Beaded
  • Hose beaded: Yes
  • Fitting sizes: None
  • Base tube dia. 2-1/2″
  • Material: 304 stainless steel


Note: We make our products in our facility in Michigan.

Additional information

Weight 5 lbs
Based on 72 reviews
powered by Google


There are no reviews yet.

Be the first to review “Peterbilt Coolant Tube Lower OEM: F66-6178”

Your email address will not be published. Required fields are marked *

Popular Products

To top