Dayco 80243GL Gold Label HD Silicone Heater Hose 1/2 in. ID x 25 ft.

The Dayco 80243GL GOLD LABEL® Heavy-Duty Silicone Heater Hose is engineered for superior performance and extended service life in heavy-duty, off-road, and demanding automotive cooling system applications. Designed to outlast standard coolant hoses, this premium silicone hose resists the aging and degradation that ordinary rubber hoses experience over time.

Made with special silicone compounds and reinforced with one ply of braided polyester yarn, the 80243GL delivers exceptional flexibility while standing up to the harshest underhood environments. When installed properly with silicone-compatible clamps, this hose provides up to six times longer service life than a traditional coolant hose.

Key Features:

• Heavy-duty silicone construction — resists heat, oil, ozone, coolants, and coolant additives
• SAE 20R3, Class A rated for heater hose applications
• Temperature range: -40°F (-40°C) to +350°F (+175°C)
• One ply braided polyester yarn reinforcement for added strength and flexibility
• 1/2 in. inner diameter — sold as a 25 ft. length
• Up to 6x longer service life than standard heater hose when used with proper silicone clamps
• Not suitable for fuel or oil transfer applications

Cross-Reference Part Numbers: Gates 24808 / Gates 26240 / ACDelco 30191 / ACDelco 31199 / NAPA H502 / NAPA 1508

The Dayco GOLD LABEL® silicone heater hose is the highest-performing heater hose in the Dayco lineup, making it the ideal choice for fleet vehicles, heavy equipment, and any application where maximum durability and temperature resistance are required.