COLD-CASE RADIATORS CC46170 Gm Auto Trans Radiator Ls Swap 816574024690 Case

( Brand: Cold-case Radiators ), ( Manufacturer Part Number: CC46170 ), ( Part Type: Aluminum Tran Radiator Case ), ( Item Height: 37 ), ( Item Width: 25 ), ( UPC: 816574024690 )

Review COLD CASE RADIATORS Gm Truck Auto Trans Inch Aluminum Radiator For Ls Swap fits 1977-87–2021

Introducing the 1977-87 GM Automatic Transmission 21-inch Cold-Case Radiator (816574024690) - a must-have upgrade for your LS engine swap project. This radiator is meticulously designed to provide superior cooling performance for your classic GM vehicle, ensuring the longevity and reliability of your LS engine.

Manufactured using advanced cold-case construction techniques, this radiator boasts a robust, leak-proof design. The process involves a precise vacuum degassing procedure, which eliminates all the trapped air pockets in the coolant mixture. Consequently, this radiator provides excellent protection against cavitation, ensuring that your engine stays cool even during the most demanding driving conditions.

Constructed from heavy-duty materials, including a corrosion-resistant aluminum core and durable steel tanks, this radiator is built to withstand the test of time. The tanks feature a classic design, retaining the authentic look of your original GM radiator while providing modern cooling capabilities.

The 1977-87 GM Automatic Transmission 21-inch Cold-Case Radiator (816574024690) is compatible with a wide range of applications, including LS1, LS2, LS3, LS6, LS7, and LS9 engines. It also comes standard with a high-performance 1-row aluminum core, which offers exceptional cooling capacity and efficiency.

Additionally, this radiator includes a pressure cap and a coolant recovery tank, which help maintain proper coolant levels and prevent overheating. The pressure cap is designed to handle a maximum pressure of 16 psi, ensuring that your cooling system remains under control.

Installing this radiator in your classic GM vehicle is a breeze, thanks to its plug-and-play design. It comes with all necessary hardware, including mounting brackets, hoses, and coolant necks, making the installation process straightforward and efficient.

In summary, the 1977-87 GM Automatic Transmission 21-inch Cold-Case Radiator (816574024690) is an essential upgrade for any LS engine swap project. With its advanced construction techniques, superior cooling performance, and authentic GM design, this radiator is the perfect solution to keep your classic vehicle running strong and cool.

Cold-case radiators, such as the 1977-87 GM Auto Trans 21 radiator (part number 816574024690), are aftermarket radiators designed to provide superior cooling performance compared to OEM radiators. Here are some pros and cons of buying this specific radiator for an LS engine swap:

1. Superior cooling capacity: The cold-case radiator is designed with a larger cooling capacity than the original radiator, which is essential for the LS engine's increased power output.

2. Durability: The radiator is made of heavy-duty materials, such as aluminum or copper, making it more resilient to corrosion and damage compared to the OEM radiator.

3. Improved heat dissipation: The radiator's design allows for faster and more efficient heat dissipation, which can help prevent overheating, especially during high-performance driving.

4. Customizable: Cold-case radiators come in various sizes and configurations to fit different engine applications, making it a versatile option for LS engine swaps.

1. Cost: Cold-case radiators are generally more expensive than OEM radiators due to their superior materials and design.

2. Installation complexity: Installing a cold-case radiator may require additional modifications to the cooling system, such as larger hoses or a new fan, which can add to the installation cost and complexity.

3. Weight: The radiator's heavy-duty materials can increase its weight compared to the OEM radiator, which may impact vehicle handling and fuel economy.

4. Size: The larger size of the radiator may require modifications to the engine bay or the use of custom mounting brackets, which can add to the installation cost and complexity.

The 1977-87 GM Auto Trans 21 radiator (part number 816574024690) offers several advantages for an LS engine swap, including superior cooling capacity, durability, improved heat dissipation, and customizability. However, it also comes with some disadvantages, such as a higher cost, installation complexity, increased weight, and size.

If you are planning an LS engine swap and want to ensure optimal cooling performance, a cold-case radiator like the 1977-87 GM Auto Trans 21 radiator (part number 816574024690) is an excellent investment. However, be prepared for the added cost, installation complexity, and potential size and weight considerations. Make sure to consult with a professional mechanic or a knowledgeable parts supplier to ensure a successful installation.

Details:

Features an all aluminum construction that is good at dissipating heat and saving energy with 2 oversized cooling rows 16 fins per inch polished original stamped tanks. 1977-87 GM Truck With Auto Trans Cold-Case 21 Aluminum Radiator For LS Swap: Improve the cooling capacity of your engine with performance Radiators. All Cold-Case Radiators are 100% tog welded pressure tested and includes OE fittings for both automatic manual applications.

specifications radiatoranch:

• for years: 1977-87-2021
• brand: Cold-case Radiators
• mpn: Cc46170
• part type: Aluminum Tran Radiator Case
• item height: 37
• item width: 25
• upc: 816574024690

general radiatoranch:

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

seller radiatoranch:

• city: Huntington Beach, California
• # reviews: 64067
• rating: 99.7%

payments radiatoranch:

• credit card: Visa
• other
• wallet: Apple-pay

shipping radiatoranch:

• service: UPS Ground, UPS 2nd Day Air
• carrier: UPS
• type: Calculated
• class: Standard, Expedited
• transit: 5-9 Days
• cost: $73.59

offer radiatoranch:

• availability: In Stock
• sold: 0
• quantity: 1
• started: May 24, 2026
• options: Ship-to-home

returns radiatoranch:

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

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