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Professional; Straight; 3/4" (50 psi)

ACDelco Professional, premium aftermarket Black Heater Hoses are constructed with EPDM rubber for extra-long service life and good resistance to high temperatures for extended periods of time. They are composed of specially blended materials to help resist electrochemical degradation (ECD), the leading cause of hose failure. ACDelco Professional Black Heater Hoses are temperature rated from -40 degrees Fahrenheit to +257 degrees Fahrenheit (-40 degrees Celsius to +125 degrees Celsius) and are unaffected by high cooling system pressures, most coolants, and non-oil based coolant additives. Do not use for fuel or oil transfer applications. These premium aftermarket replacement black heater hoses are manufactured to meet or exceed your expectations for fit, form, and function.


  • Comes with protective sleeves to help duplicate GM OE designs for proper fit and function
  • Professional, premium aftermarket replacement
  • Provides the performance and dependability you expect from ACDelco
  • Manufactured to meet expectations for fit, form, and function
MaterialReinforced Rubber
End 1 Inside Diameter0.75 in
End 1 Inside Diameter19.0 mm
End 2 Inside Diameter0.75 in
End 2 Inside Diameter19.0 mm
Contains SpringNo
Maximum Working Pressure50
Centerline Length600 IN
Centerline Length15240 MM
Hose ShapeStraight
Protective Sleeve AttachedNo
Branch Quantity0
Alternate/OEM Part Number(s): 88909066

Warranty Information:
Limited Lifetime as long as original purchaser owns vehicle.
Warranty Details