GM GENUINE
More Information for GM GENUINE 1563346
{Alternate Inventory Numbers: 84406079}
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GM GENUINE 1563346  
$66.79
Price
$0.00
Core
+ Sold in packs of 1x1
Pack
$66.79
Total
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GM Genuine parts may ship in a GM Genuine or AcDelco box. The product will fit and function the same.
GM GENUINE 1563346 Specifications
Adjustable Pipe PositioningNo
Core MaterialAluminum
Engine Oil Cooler IncludedNo
Gasket or Seal IncludedYes
Inlet Pipe Diameter (IN)0.67
Inlet Pipe Diameter (MM)17
Outlet Pipe Diameter (IN)0.67
Outlet Pipe Diameter (MM)17
Receiver IncludedNo
Tank MaterialAluminum
Thickness (IN)0.98
Thickness (MM)25
Transmission Oil Cooler IncludedNo
Tube MaterialAluminum

GM Genuine Heater Cores:

  • Lightweight aluminum tubes, air centers and tanks (where pictured)
  • Long-life alloys for corrosion resistance
  • Brazed joints for durability

There are signs the heater core in your vehicle may need to be inspected or replaced. They include:

  • An absence of or noticeably reduced heat blowing through the vents
  • A sweet odor inside the vehicle, sort of like maple syrup
  • A fine, slightly oily mist that appears on the windshield when the defroster is on
  • A damp spot on the floor, typically under the dashboard
Service Tip: If you are experiencing unexplained or reoccurring heater core leaks, or notice dark spots on your failed heater core, test your coolant for Electrolysis. If detected, correct the source of the problem before replacing your failed heater core to prevent repeat failure.
Cooling System Maintenance | Tips & Tools

Premature Heater Core failure is often caused by poor Cooling System maintenance. Protect your engine and maximize system performance with simple preventative maintenance:

  • Completely drain and flush the system using Cooling System Flush. Flushing the system is critical to prevent system contamination and failure.
  • Consider replacing the Heater Hoses (and Hose Clamps), Thermostat and Radiator Cap as part of routine preventative maintenance. Rust and debris from degrading parts can clog the Heater Core and Radiator, and lead to costly engine damage.
  • Refill Radiator with fresh Coolant / Antifreeze according to the volume and formula specified in your Owner's Manual. Inspect levels and condition every year.
OEM / Interchange Numbers: 15232212, 22782133, 84252923

Warranty Information:
24 Month / Unlimited Mile Warranty