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Radiator Support Assembly

Your vehicle’s cooling system is one of its most important defenses against overheating—and at the heart of it is the car radiator assembly. This essential component ensures your engine operates at the right temperature, preventing costly damage and keeping your car running smoothly. 

At Chicago Auto Body Parts, we carry durable radiator assemblies and car radiator supports designed for a perfect fit, so you can drive with confidence.

Items 1411-1425 of 4616

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  1. GM TRUCKS & VANS SIERRA/PU 1500 HYBRID (GMC) RADIATOR SUPPORT OEM#22765834 2010-2013 PL#GM1225282
    PARTSLINK: GM1225282
    OEM Part Number: 22765834
    Our Price: $265.92
    List price: $696.55 You Save: $430.63
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  2. GM TRUCKS & VANS SIERRA/PU 1500 HYBRID (GMC) RADIATOR SUPPORT SIDE BRACKET LEFT (Driver Side) OEM#25804174 2009-2013 PL#GM1225320
    PARTSLINK: GM1225320
    OEM Part Number: 25804174
    Our Price: $38.14
    List price: $57.43 You Save: $19.29
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  3. GM TRUCKS & VANS SIERRA/PU 1500 HYBRID (GMC) RADIATOR SUPPORT SIDE BRACKET RIGHT (Passenger Side) OEM#25804175 2009-2013 PL#GM1225319
    PARTSLINK: GM1225319
    OEM Part Number: 25804175
    Our Price: $37.69
    List price: $57.43 You Save: $19.74
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  4. GM TRUCKS & VANS SIERRA/PU 1500 HYBRID (GMC) TIE BAR UPPER OEM#25869660 2009-2013 PL#GM1225263
    PARTSLINK: GM1225263
    OEM Part Number: 25869660
    Our Price: $76.68
    List price: $413.25 You Save: $336.57
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  5. GM TRUCKS & VANS SIERRA/PU 1500 RADIATOR SUPPORT UPPER REINF OEM#84475289 2022-2024 PL#GM1225443
    PARTSLINK: GM1225443
    OEM Part Number: 84475289
    Our Price: $80.00
    List price: $96.20 You Save: $16.20
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  6. GM TRUCKS & VANS SIERRA/PU 2500/3500 (GMC) RADIATOR SUPPORT ASSEMBLY (6.0L) OEM#84523026 2015-2019 PL#GM1225335
    PARTSLINK: GM1225335
    OEM Part Number: 84523026
    Our Price: $383.23
    List price: $957.55 You Save: $574.32
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  7. GM TRUCKS & VANS SIERRA/PU 2500/3500 (GMC) RADIATOR SUPPORT ASSEMBLY (6.6L) OEM#84523027 2017-2019 PL#GM1225388
    PARTSLINK: GM1225388
    OEM Part Number: 84523027
    Our Price: $370.90
    List price: $495.40 You Save: $124.50
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  8. GM TRUCKS & VANS SIERRA/PU 2500/3500 (GMC) RADIATOR SUPPORT ASSEMBLY (6.6L)(ALUMINUM) OEM#20840495 2007-2009 PL#GM1225286
    PARTSLINK: GM1225286
    OEM Part Number: 20840495
    Our Price: $674.65
    List price: $865.40 You Save: $190.75
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  9. GM TRUCKS & VANS SIERRA/PU 2500/3500 (GMC) RADIATOR SUPPORT ASSEMBLY (STEEL) **CAPA** OEM#22825905 2011-2014 PL#GM1225299C
    PARTSLINK: GM1225299C
    OEM Part Number: 22825905
    Our Price: $461.50
    List price: $789.37 You Save: $327.87
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  10. GM TRUCKS & VANS SIERRA/PU 2500/3500 (GMC) RADIATOR SUPPORT ASSEMBLY (STEEL) OEM#22825905 2011-2014 PL#GM1225299
    PARTSLINK: GM1225299
    OEM Part Number: 22825905
    Our Price: $355.15
    List price: $819.27 You Save: $464.12
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  11. GM TRUCKS & VANS SIERRA/PU 2500/3500 (GMC) RADIATOR SUPPORT ASSY (6.0L) **CAPA** OEM#84523026 2015-2019 PL#GM1225335C
    PARTSLINK: GM1225335C
    OEM Part Number: 84523026
    Our Price: $548.28
    List price: $957.55 You Save: $409.27
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  12. GM TRUCKS & VANS SIERRA/PU 2500/3500 (GMC) RADIATOR SUPPORT ASSY (6.0L) OEM#20840496 2007-2009 PL#GM1225253
    PARTSLINK: GM1225253
    OEM Part Number: 20840496
    Our Price: $248.86
    List price: $591.68 You Save: $342.82
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  13. GM TRUCKS & VANS SIERRA/PU 2500/3500 (GMC) RADIATOR SUPPORT ASSY (6.0L)(STEEL) OEM#20894671 2010 PL#GM1225294
    PARTSLINK: GM1225294
    OEM Part Number: 20894671
    Our Price: $375.54
    List price: $954.28 You Save: $578.74
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  14. GM TRUCKS & VANS SIERRA/PU 2500/3500 (GMC) RADIATOR SUPPORT ASSY (6.6L) **CAPA** OEM#84523027 2017-2019 PL#GM1225388C
    PARTSLINK: GM1225388C
    OEM Part Number: 84523027
    Our Price: $368.70
    List price: $515.20 You Save: $146.50
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  15. GM TRUCKS & VANS SIERRA/PU 2500/3500 (GMC) RADIATOR SUPPORT ASSY (6.6L)(ALUM) OEM#25917853 2010 PL#GM1225287
    PARTSLINK: GM1225287
    OEM Part Number: 25917853
    Our Price: $544.90
    List price: $818.35 You Save: $273.45
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What Is a Car Radiator Assembly?

A car radiator assembly is more than just the radiator itself, it’s the complete structure that includes the radiator core, tanks, and often the radiator support. The radiator’s job is to transfer heat from the engine coolant to the outside air, preventing overheating. 

The support assembly keeps the radiator securely mounted while aligning it with other components like the condenser and fan shroud.

The key parts of a radiator assembly include:

  • Radiator core – the central section where coolant flows and heat is dispersed.

  • Tanks (side or top/bottom) – hold coolant and direct flow through the radiator.

  • Fins and tubes – increase surface area for efficient heat transfer.

  • Radiator support – the structural frame that secures the radiator and aligns it with other front-end components.

Together, these pieces form the cooling system’s foundation, helping your car maintain optimal performance.

How Do They Function?

The radiator assembly functions by circulating coolant through the engine, where it absorbs heat. The hot coolant then passes into the radiator core. 

Air flowing through the radiator either from vehicle movement or the cooling fan draws heat away from the coolant. The cooled liquid cycles back into the engine, and the process repeats continuously while you drive.

The car radiator support plays a critical role here, too. By keeping the radiator, condenser, and related components in precise alignment, it ensures the cooling system works efficiently and remains stable even under tough driving conditions.

Are They Easy to Install?

Installing a car radiator assembly can be a moderate to advanced repair, depending on your vehicle. The process typically involves draining coolant, removing hoses and fans, and sometimes even removing bumper or support structures to access the radiator.

For skilled DIYers with the right tools, it’s possible to handle this repair at home. However, for most drivers, professional installation is the safer choice. A properly installed radiator assembly ensures your cooling system functions reliably, avoids leaks, and protects your engine from overheating.




How to Pick the Right Radiator Assembly for Your Car?

Choosing the right radiator assembly ensures your vehicle runs efficiently and avoids costly damage. 

Here’s what to keep in mind:

  • Match your vehicle specifications – Radiator assemblies are highly vehicle-specific. Always choose one designed for your exact make, model, and year.

  • OEM vs. aftermarket – OEM assemblies guarantee factory fit, while aftermarket options can offer similar performance at a more affordable price.

  • Check compatibility with supports – If your radiator support is damaged, replacing it alongside the radiator is often the smartest choice.

  • Consider materials – Many radiators feature aluminum cores with plastic tanks, but heavy-duty all-aluminum designs are available for extra durability.

  • Cooling needs – If you drive in hot climates or tow heavy loads, you may benefit from a higher-capacity radiator.

At Chicago Auto Body Parts, we simplify this decision by offering clear product descriptions and compatibility checks. You’ll know the assembly you order will fit perfectly and deliver the cooling performance your car needs.

Why Should You Buy Car Radiator Assemblies from Chicago Auto Body Parts?

When replacing a car radiator assembly, quality and fit matter most. At Chicago Auto Body Parts, we stock radiator assemblies and car radiator supports for a wide range of vehicles, ensuring you get the right part quickly and at the best price.

Our components are built to meet or exceed industry standards, giving you confidence in their durability and performance. 

Unlike dealership prices, our assemblies are affordable, and we provide fast shipping so you can get back on the road sooner. Plus, our knowledgeable team is always available to help you find the right part for your specific vehicle.

By choosing Chicago Auto Body Parts, you’re investing in a reliable cooling system that keeps your engine protected and your car performing at its best. That’s why thousands of drivers across the country trust us for their car radiator assembly needs.