Western Star Lower Coolant Tube OEM: 20402-3504


Brand: Western Star

Product: Lower Coolant Tube

OEM: 20402-3504


This is an identical replacement part for factory coolant tubes (OEM: 20402-3504) 2 1/2″ in diameter.   All components are manufactured in the USA from high-quality 304 Stainless Steel.  Made in AMERICA..  100% tig welded in a jig with 304 mandrel bends and machined fittings.  No wire welds cast parts, or miter cut bends.

Fits Western Star trucks with Detroit Diesel 60 12L/14L.

  • Tube inlet size: 2-1/2″ Beaded
  • Tube outlet size: 2-1/2″ 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
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