Peterbilt Lower Coolant Tube OEM: F66-6338


Brand: Peterbilt

Product: Lower Coolant Tube

OEM: F66-6338

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This is an identical replacement part for factory coolant tubes (OEM: F66-6338). 2 1/2″ x 2 1/4″ Diameter, one 3/8″ NPT, and 1″ port. U-shaped.

All components are manufactured in the USA from high-quality 304 Stainless Steel under strict quality assurance guidelines.

  • Tube inlet size: 2-1/2″ Beaded
  • Tube outlet size: 2-1/4″ Beaded
  • Hose beaded: Yes
  • Fitting sizes: 3/8″ NPT & 1″ Beaded Tube
  • Base tube dia. 2-1/4″
  • Material: 304 stainless steel


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

Additional information

Weight 5 lbs
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