1996-05 Chevy Astro GMC Safari Heater Control Valve (6 Port) ACDelco 15-5551 - ACHCX00007

AC Delco 15-5551: Heater Control Valve

This Heater Control Bypass Valve is a brand new GM replacement part! The very same part that you would receive if purchased from your local GM dealer!

The Heater Control Bypass Valve controls the flow of coolant through the heater core, which controls passenger compartment temperature. Over time this valve can leak or fail. This replacement Heater Control Valve is among the highest quality replacements on the market!


  • Brand New AC Delco Heater Valve
  • Replaces dealer part number: 15984154
  • Direct replacement
  • Built to strict quality control standards
  • Correct for models with RPO Code YF7 (recreation vehicle up-fitter package)
    • 6 port provisions as opposed to 4

Note: If your vehicle requires a match to an RPO (Regular Production Option) code, you can usually find it on your original window sticker and sometimes either on the inside of your glove box door or the front, driver's side door shell

Now you can have a brand new AC Delco replacement heater control valve shipped right to your door!

Left Hand Drive Note:

“All of our auto parts are intended for Left Hand Drive USDM vehicles and might not have been tested on Right Hand Drive platforms. If your vehicle is Right Hand Drive, please do your research prior to making a purchase to ensure the part is correct for your specific vehicle.”

Item Condition: New

Lifetime Warranty

This item is backed by a Limited Lifetime Warranty. In the event this item should fail due to manufacturing defects during intended use, we will exchange the part free of charge (excludes shipping charges) for the original purchaser.

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Vehicle Fit

Year Make Model Description
1996-2005Chevy Astro Chevy Astro Heater Control Valve (6 Port) V6 4.3L ACDelco 15-5551
1996-2005GMC Safari GMC Safari Heater Control Valve (6 Port) V6 4.3L ACDelco 15-5551

This part replaces:

  • ACDelco 15-5551
  • OE # 15984154
Only 1 left in stock
Part #: ACHCX00007

Order must be placed by 4pm ET

Get it in: 2 - 4 Business Days

Want it sooner? Choose Next Day Air at Checkout

Brand #: 15-5551