Constructed with silicone rubber. Ideal for extremely high temperature service in radiator, heater and other coolant transfer hose applications.

• Reinforced with tough, high temperature-resistant aramid textile cords.
• Exceptionally flexible.
• Highly resistant to weathering, coolant deterioration, ozone and temperature extremes.
• Can be used for emission hose applications.
• For proper installation, use Gates PowerGrip SB Clamps or Gates Silicone Hose Clamps.
• Temperature rating: –70°F to +400°F (–57°C to +204°C)
• Exceeds SAE 20R3 Class A Tube and Cover specifications.

NOTE: Not recommended for fuel or oil transfer applications.

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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