Cold Case Radiators Performance Radiator 21" Aluminum Automatic Chevrolet C10 1977-1987

This Performance Radiator (GMT556A21) is made by Cold Case Radiators to provide superior cooling abilities for your 1977-1987 Chevrolet C10! This radiator fits automatic transmissions and is made from 100% TIG-welded aluminum.

Features and Benefits:
- Direct fitment for 1977-1987 GM Trucks
- Fits automatic transmission only
- 100% TIG-welded aluminum construction
- Polished OE-style tanks
- Includes two (2) 1-1/4 inch tubes
- 16 fins per inch
- Corrugated fins increase surface area
- Corrugation improves thermal transfer
- Pressure-tested design

This is an oversized 2-row radiator that measures 21 inches in height. It features 16 fins per inch that are each corrugated for improved thermal transfer over a greater surface area. It is 100% TIG-welded from aluminum and incorporates two (2) 1-1/4 inch tubes into its design. Plus, it holds a 5/16-inch inverted flare transmission cooler fitting. This Performance Radiator (GMT556A21) is constructed with original stamping, receives pressure testing for durability, and fits automatic transmissions.

Radiator Specifications:
- Core Height: 18.8 inch
- Core Width: 28.35 inch
- Overall Height: 21 inch
- Overall Width: 34.33 inch
- Overall Thickness: 3-inch
- Upper Hose: 1-1/2 inch
- Lower Hose: 1-3/4 inch
- Transmission Cooler Fitting: 5/16-inch inverted flare

Please Note:
- For a shorter 19-inch high version, see GMT556A.
- Lower Hose for 4WD/1-1/2" outlet vehicles: Gates 20694 or Dayco 70664.

Vehicle Fitment:
- 1977-1987 Chevrolet C10

*Designed for automatic transmissions.