1. Car & Truck Engine Radiators Deals
  2. sku: 10535152882354604
  3. ACDELCO GM 21654

ACDELCO GM/GM GENUINE PARTS 21654 Radiator

fits year: 1999–2007.

21654 Acdelco Gm/gm Genuine Parts Radiator

( Brand: Acdelco Gm/gm Genuine Parts ), ( Manufacturer Part Number: 21654 ), ( Part Type: Radiator ), ( Make: Chevrolet ), ( Year: 1999 2000 2001 2002 2003 2004 2005 2006 2007 )

Review ACDELCO GM/GM GENUINE PARTS Radiator fits 1999–2007

ACDelco GM/Gm 21654 Radiator

The ACDelco GM/Gm 21654 Radiator is an original equipment replacement part designed specifically for select GM vehicles. This radiator is engineered to deliver superior cooling performance and extended durability, ensuring optimal engine temperature and reliable vehicle operation.

The radiator features a durable, corrosion-resistant tank made from aluminum, which not only provides enhanced strength and longevity but also contributes to the overall weight reduction of the vehicle. The tank is also designed with a pressured tested design, ensuring that it can withstand the high cooling system pressures and maintain the seal integrity.

The ACDelco GM/Gm 21654 Radiator is equipped with a large cooling capacity, allowing it to dissipate heat efficiently from the engine. The cooling capacity is achieved through the use of a high-density core made up of multiple thin tubes that provide an increased surface area for heat exchange. The radiator also includes a built-in fan shroud, which helps to direct airflow over the radiator fins and improve cooling efficiency.

The cooling system in the ACDelco GM/Gm 21654 Radiator is designed to provide excellent thermal performance, ensuring that the engine stays at an optimal operating temperature. The radiator is also equipped with a pressure cap that maintains the cooling system at the proper pressure, preventing overheating and ensuring the longevity of the cooling system components.

The ACDelco GM/Gm 21654 Radiator is manufactured to meet or exceed OE specifications, ensuring a perfect fit and reliable performance. The radiator is also backed by a 3-year/36,000-mile warranty, providing peace of mind and assurance against any manufacturing defects.

In summary, the ACDelco GM/Gm 21654 Radiator is a high-quality, durable replacement cooling component designed specifically for select GM vehicles. It provides superior cooling performance, extended durability, and a perfect fit, making it an excellent choice for maintaining the optimal operating temperature of your vehicle's engine.

The AC Delco GM/GM 21654 radiator is a popular choice among car owners due to its reputation for quality and reliability. However, like any automotive part, it comes with its own set of pros and cons. Here's a straightforward analysis:

Pros:

1. OEM (Original Equipment Manufacturer) quality: The AC Delco GM/GM 21654 radiator is manufactured by the same company that produces original equipment for General Motors. This means that it is built to the same specifications and standards as the radiator that came with your car.

2. Durability: AC Delco radiators are known for their robust construction and ability to withstand the rigors of daily driving. They are typically made with heavy-duty materials, such as aluminum, to ensure longevity.

3. Leak-free: This radiator is designed to be leak-free, which can save you money in the long run by reducing the need for frequent repairs or replacements.

4. Easy installation: The AC Delco GM/GM 21654 radiator is often a direct fit for various GM vehicles, making installation a straightforward process.

Cons:

1. Cost: Compared to aftermarket radiators, the AC Delco GM/GM 21654 radiator can be more expensive. However, the higher cost may be worth it for the peace of mind that comes with knowing you're using a high-quality, OEM part.

2. Limited availability: Since this radiator is specifically designed for GM vehicles, it may not be as widely available as aftermarket radiators. You may need to order it online or visit a specialized auto parts store to find it.

3. Weight: The robust construction of the AC Delco GM/GM 21654 radiator can make it heavier than aftermarket alternatives, which could impact fuel efficiency.

In conclusion, the AC Delco GM/GM 21654 radiator offers the benefits of OEM quality, durability, leak-free design, and easy installation. However, it comes with a higher cost and limited availability compared to aftermarket radiators. Ultimately, if you value the peace of mind that comes with using a high-quality, OEM part, the investment in this radiator may be worth it. If cost is a major concern, you may want to consider an aftermarket alternative.

Recommendation:

If you own a GM vehicle and are in the market for a new radiator, the AC Delco GM/GM 21654 radiator is a solid choice due to its OEM quality, durability, and leak-free design. However, be prepared for a higher cost and limited availability compared to aftermarket alternatives. If cost is a significant concern, you may want to explore aftermarket options while keeping in mind that you may sacrifice some level of quality and potential longevity.

Details:

Electrical parts are not returnable. Modern radiators are made from aluminum and plastic, while older vehicles used copper brass. Specializing in high-quality automotive aftermarket parts. Some GM Genuine Parts may have formerly appeared as ACDelco Original Equipment OE.

Shipping Carrier substitutions may be made at our determination in an attempt to reduce shipping cost the customer. Parts must be resalable and in the original packaging. These radiators are designed to be corrosion resistant with optimal heat transfer characteristics.

part #: 21654 prices

  • $370.24-$374.43

specifications radiatoranch:

  • for years: 1999-2007
  • brand: Acdelco Gm/gm Genuine Parts
  • mpn: 21654
  • part type: Radiator
  • make: Chevrolet
  • year: 1999 2000 2001 2002 2003 2004 2005 2006 2007

shipping radiatoranch:

  • service: Standard
  • cost: $65.67
  • type: Fixed
  • class: Standard
  • transit: 4-10 Days

returns radiatoranch:

  • paid by: Seller
  • policy: Returns Accepted
  • time: 30 Days

payments radiatoranch:

  • other
  • wallet: Paypal
  • credit card: Diners-club

offer radiatoranch:

  • availability: In Stock
  • started: December 5, 2025
  • sold: 0
  • options: Ship-to-home
  • quantity: 1

general radiatoranch:

  • Car Truck Parts Accessories > Engine Cooling Components > Radiators
  • condition: New

seller radiatoranch:

  • rating: 95.9%
  • city: Tempe, Arizona
  • # reviews: 271
for years: 1999-2007, part type: radiator, year: 1999 2000 2001 2002 2003 2004 2005 2006 2007,
manufacturer: chevrolet, category: auto parts > car truck parts accessories > engine cooling components > radiators, sku: 10535152882354604,

Acdelco Gm/gm Genuine Parts 21654 Is Similar To:

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2 offers $370.24–$374.43 USD
  • Offer #1: $370.24 price + $0.00 shipping estimate = $370.24* total. Modern radiators are made from aluminum and plastic, while older vehicles used copper and brass. ProductACDelco Radiator.FREE SHIPPING
  • Offer #2: $374.43 price + $0.00 shipping estimate = $374.43* total. GM Original Equipment Engine Coolant Radiator.FREE SHIPPING

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