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Shopping for 2019-GMC-Yukon XL
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Radiator Support Assembly

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Driver Steel Headlight Mounting PanelDriver Steel Headlight Mounting Panel
YHT Auto®
Driver Steel Headlight Mounting Panel for Chevrolet Tahoe GMC Yukon Cadillac
$56.99
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2-year warranty
90 days free return
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Vehicle: 2019 GMC Yukon XL
Item LocatedUnited States
Quantity1
Installation PositionLeft Driver Side
MaterialSteel
Part interchange
23158262, GM1221150
ConditionNew
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Passenger Steel Headlight Mounting Panel
YHT Auto®
Passenger Steel Headlight Mounting Panel for Chevy Tahoe GMC Yukon Cadillac
$51.99
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2-year warranty
90 days free return
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Vehicle: 2019 GMC Yukon XL
Item LocatedUnited States
Quantity1
Installation PositionRight Passenger Side
MaterialSteel
Part interchange
23158263, GM1221151
ConditionNew
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Lower PP+GF Radiator Support Core Assembly
YHT Auto®
Lower PP+GF Radiator Support Core Assembly for GMC Yukon Yukon XL 2015-2020
$213.99
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2-year warranty
90 days free return
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Vehicle: 2019 GMC Yukon XL
Item LocatedUnited States
Quantity1
Installation PositionLower Side
MaterialPP + GF
Part interchange
23497754, GM1220178
ConditionNew
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Upper Radiator Support Tie Bar with CAPA
YHT Auto®
Upper Radiator Support Tie Bar with CAPA for Chevrolet Tahoe Suburban GMC Cadillac
$272.99
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2-year warranty
90 days free return
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: 2019 GMC Yukon XL
Item LocatedUnited States
Quantity1
Installation PositionUpper Tie Bar
MaterialSteel
Part interchange
22777915, GM1225357C
ConditionNew
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Radiator Support Assembly with CAPA
YHT Auto®
Radiator Support Assembly with CAPA for Chevrolet Tahoe Suburban GMC Cadillac
$479.99
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2-year warranty
90 days free return
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: 2019 GMC Yukon XL
Item LocatedUnited States
Quantity1
MaterialSteel
Part interchange
84366722, 85545442, 84195357, GM1225311C
ConditionNew
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Upper Mounting Panel Header Panel
YHT Auto®
Upper Mounting Panel Header Panel for GMC Yukon 2015-2020 Yukon XL
$234.99
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2-year warranty
90 days free return
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Vehicle: 2019 GMC Yukon XL
Item LocatedUnited States
Quantity1
MaterialPP Plastic, Glass Fiber
Part interchange
23497753, GM1220179
ConditionNew
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Header Panel Assembly
YHT Auto®
Header Panel Assembly for GMC Yukon 2015-2020 Yukon XL V8 5.3L V8 6.2L
$965.99
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2-year warranty
90 days free return
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: 2019 GMC Yukon XL
Item LocatedUnited States
Quantity1
MaterialPP Plastic, Glass Fiber and Steel
Part interchange
23266741, GM1220170
ConditionNew
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Radiator Support Assembly
YHT Auto®
YHT Auto YHTRSA10201 Radiator Support Assembly
$333.99
Quantity Less than 4
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2-year warranty
90 days free return
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: 2019 GMC Yukon XL
Item LocatedUnited States
Quantity1
MaterialSteel
Part interchange
GM1225311, 84366722, 85545442, 84195357
ConditionNew
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Radiator Support Tie Bar
YHT Auto®
YHT Auto YHTRSA10203 Radiator Support Tie Bar
$208.99
Quantity Less than 5
Edit ZIP code
2-year warranty
90 days free return
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: 2019 GMC Yukon XL
Item LocatedUnited States
Quantity1
MaterialSteel
Part interchange
GM1225357, 22777915
ConditionNew
Show less

The radiator support assembly is also often referred to as the radiator support panel or radiator core support. The primary purpose of the radiator support assembly is to provide a structural framework for mounting the radiator, cooling fans, and associated components. It helps maintain the proper position and alignment of the radiator, ensuring efficient cooling of the engine. It also serves as a protective barrier for the radiator and other front-end components, helping shield these critical parts from damage in the event of a front-end collision or an impact with road debris.

Radiator support assembly replacement

Replacing a radiator support assembly is a significant repair job that often requires expertise due to the complexity and importance of this component in the vehicle's structural and cooling systems. The general steps can include:

  1. Safety precautions: Ensure safety gear, disconnect the battery, and work on a level surface.
  2. Front-end disassembly: Remove the bumper, headlights, grille, and fenders.
  3. Drain the cooling system (if necessary): Drain coolant for radiator removal.
  4. Support the vehicle: Lift and secure the vehicle with jack stands.
  5. Unbolt the old assembly: Remove the fasteners securing the old radiator support.
  6. Disconnect hoses and wiring: Carefully detach hoses and wiring.
  7. Remove the old assembly: Extract the old assembly, and inspect for damage.
  8. Install the new assembly: Secure the new support assembly.
  9. Reconnect components: Reattach hoses, wiring, and connections.
  10. Reassemble the front end: Install fenders, grille, headlights, and bumper.
  11. Refill and bleed the cooling system (if necessary): Refill coolant and bleed air.
  12. Test and alignment: Inspect alignment and security of components.
  13. Final checks: Reconnect the battery, test for leaks, and take a test drive to ensure proper functioning.

This is a general outline and the specific steps and procedures can vary depending on the make and model of the vehicle. It's often best left to professionals who have the necessary tools and expertise to ensure a safe and effective replacement.