This Gates HVAC Heater Hose fits your 1999 GMC K2500 Suburban 6.5L V8 (Aux Heater Pipe-3 To Pipe-4) and is perfect for a tune up or performance upgrade. .
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Gates Aux Heater Pipe-4 To Aux Heater HVAC Heater Hose for 1999 GMC C3500 an
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