Coolant Overflow Tank


Fits: 2001-2006 Duramax


The tank will hold up to one gallon of coolant. Hand
cut aluminum material provides more efficient cooling
properties. This tank replaces the location of your secondary
battery and plastic water overflow tank. Use in conjunction
with Battery Remount Tray.

– 3/8” NPT to 1/2” Brass Hose Barb
– 3/4” NPT to 1” Brass Hose Barb
– Billet fill neck with overflow
– Stant Lev-R-Vent 16 lbs. cap.

Available Years: 2001-2006 Duramax Diesel
All Gas 1500/2500/3500