• Extra long-lasting hose constructed with silicone rubber. Ideal for extremely high temperature service in radiator, heater and other coolant transfer hose applications.
• Excellent for extreme ambient and radiant temperature conditions.
• Resists weathering, ozone, heat and coolant deterioration.
• Silicone tube and cover resist prolonged exposure to under-hood and coolant heat.
• Use PowerGrip SB clamps or silicone hose clamps.
• Temperature rating: –70°F to +350°F (–56°C to +177°C)
• Packaging: 3-ft. lengths.
• Exceeds SAE 20R1 (Class A Standard Wall) specifications.

Caution: Not recommended for fuel or oil transfer applications.
Note: Silicone hose’s water permeation rate is 10 to 15 times greater than Gates Green Stripe coolant hose

Signs it is Time to Replace Your Heater Hose(s)

Prevent system contamination and coolant leaks that could cause your engine to overheat by checking for these common signs of Heater Hose damage / failure:

INTERNAL DAMAGE
Soft / mushy hose ends, usually about 2 inches from the clamp. Internally Damaged Hose

LEAKAGE
Moisture, drips or coolant bleed marks on or around the hose clamps, connectors or hose. Leaking Hose

HEAT DAMAGE
Slight swelling, or a hardened, glossy cover that is covered with cracks. Heat Damaged Hose

OZONE DAMAGE
Tiny, parallel cracks in the cover, usually at hose bends. Ozone Damaged Hose

ABRASION DAMAGE
Rubbing marks on, or damage to the hose cover. Abrasion Damaged Hose

OIL CONTAMINATION
Soft or spongy to the touch - bulges and swelling are readily apparent. Oil Contaminated Hose

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