ACDelco DEX-Cool Concentrate Antifreeze/Coolant- 1GAL (3.78L) Coupler Durable and reliable

Durable and reliable

Automatic Changeover Regulator automatically redirects LP gas vapor flow from an empty service cylinder to a reserve cylinder

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Durable Construction: Constructed of durable steel

Stainless Steel Ball

ACDelco DEX-Cool Concentrate Antifreeze/Coolant- 1GAL (3.78L) Coupler Durable and reliableACDelco DEX Cool Concentrate Antifreeze Coolant 1GAL (3. 78L) Quick Facts: Compatible with all GM Vehicles. Its anti corrosion formula is engineered to provide long term corrosion protection for all cooling system compounds, and has excellent heat transfer properties. When used at 50% concentration at 15 PSI, this coolant provides boil over protection to 265 (129C) and freeze protection down to 34F ( 37C). Meets and exceeds the performance