HPS high temperature 3-ply reinforced silicone radiator hose kit (part number 57-1908-BLK) replaces 1988-1993 GMC C3500 5.7L V8 stock OEM rubber lower and upper radiator coolant hoses with high-heat resistance material which meets or exceeds OE specifications (Maximum temperature rating: 350F).

Key Features
- The premium grade high-heat resistance reinforced silicone hoses are made with correct bends and curves to ensure perfect fitment.
- Includes 100% stainless steel non-perforated embossed hose clamps for easy installation, which do not cut through the silicone hose.
- Prevent and fix the coolant leaking and engine overheating problem caused by cracked, damaged or collapsed OEM rubber lower and upper radiator coolant hoses.
- Race proven design with long lasting quality and engineered for extremely high temperature service (Max. 350F) and prolonged exposure to under-hood and coolant heat.
- Compatible with OEM part number 15659482, 15659613

Remark: Silicone hose water permeation rate is 10 to 15 times greater than standard EPDM rubber hose. Checking water level regularly is highly recommended when silicone coolant hoses are used in a daily driving vehicle.

Vehicle Application
1993 GMC C3500 Pickup 5.7L V8 (Sierra, Sierra SLE, Sierra SLX)
1993 GMC C3500 5.7L V8 (Sierra, Sierra SLE, Sierra SLX)
1992 GMC C3500 Pickup 5.7L V8 (Sierra, Sierra SLE, Sierra SLX)
1992 GMC C3500 5.7L V8 (Sierra, Sierra SLE, Sierra SLX)
1991 GMC C3500 Pickup 5.7L V8 (Sierra, Sierra SLE, Sierra SLX)
1991 GMC C3500 5.7L V8 (Sierra, Sierra SLE, Sierra SLX)
1990 GMC C3500 Pickup 5.7L V8 (Sierra, Sierra SLE, Sierra SLX)
1990 GMC C3500 5.7L V8 (Sierra, Sierra SLE, Sierra SLX)
1989 GMC C3500 Pickup 5.7L V8 (Sierra, Sierra SLE, Sierra SLX)
1989 GMC C3500 5.7L V8 (Sierra, Sierra SLE, Sierra SLX)
1988 GMC C3500 Pickup 5.7L V8 (Sierra, Sierra SLE, Sierra SLX)
1988 GMC C3500 5.7L V8 (Sierra, Sierra SLE, Sierra SLX)

Product Information
- Product Type: Silicone Radiator Hose Kit
- Material: High Temperature Reinforced Silicone
- Warranty: 2 Years
- Weight: 4 lb
- Shipping Box Dimension: 24 inch x 8 inch x 8 inch