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Cold Case Performance Aluminum Radiator Modules GMT556A21LSK Radiator, Performance, Module, Aluminum, Polished, Crossflow, 2 Row, Dual 12 in. Fans, Chevy, GMC, LS Swap, Kit

SKU: RADGMT556A21LSK

Radiators

Cold Case Performance Aluminum Radiator Modules GMT556A21LSK Radiator, Performance, Module, Aluminum, Polished, Crossflow, 2 Row, Dual 12 in. Fans, Chevy, GMC, LS Swap, Kit

SKU: RADGMT556A21LSK

Radiators
A$3,273.13
IN STOCK! Est Ship 4-7 days. This item is IN STOCK at one of our warehouses or distribution centres, the ETA is the approximate time required to prepare your order for dispatch.
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Description

Cool just got better! Cold-Case performance aluminum radiator modules bundle performance components for the most efficient cooling available. They've packaged their high-quality radiators with their exact fit shrouds and electric fans to deliver the best fit with an original look, an easy install, and effective cooling at an affordable price. Order the universal or application-specific model best suited for fitment in your engine bay.

All Cold-Case radiator modules feature:

* OEM-stamped, fully polished tanks
* Aluminum shroud
* Electric fan(s)
* Correct OEM fitment
* Lightweight, efficient aluminum construction
* 100 percent TIG-welded
* Internally welded filler necks offer a clean, factory look
* Two oversized cooling rows for increased capacity
* 1 in. to 1 1/4 in. tubes for higher volume
* Works with factory filler cap
* Includes OEM-style petcock
* 42.7 percent lighter than comparable copper radiators
* 30 percent thicker materials than no-name aluminum radiators
* 60-day COOL guarantee

Part Type

Aluminum Raditor 77-87 GM P/U LS Engine

Data: v4.2 - Upd: 2026-10-14 09:26:44

Specifications

Product Attributes - Brand
Cold Case Radiators
Product Attributes - Manufacturer's Part Number
GMT556A21LSK
Product Attributes - Part Type
Radiators
Product Attributes - Product Line
Cold Case Performance Aluminum Radiator Modules
Product Attributes - UPC
846861012963
Product Attributes - Radiator Material
Aluminum
Product Attributes - Radiator Style
Crossflow
Product Attributes - Transmission Cooler
No
Product Attributes - Inlet Location
Upper passenger side
Product Attributes - Outlet Location
Lower passenger side
Product Attributes - Overall Width (in.)
34.33 in.
Product Attributes - Overall Height (in.)
21.00 in.
Product Attributes - Overall Thickness (in.)
6.75
Product Attributes - Row Quantity
2
Product Attributes - Radiator Finish
Polished
Product Attributes - Core Width (in.)
28.35 in.
Product Attributes - Core Height (in.)
18.80 in.
Product Attributes - Core Thickness (in.)
3.00 in.
Product Attributes - Radiator Inlet Size
1.500 in.
Product Attributes - Radiator Outlet Size
1.500 in.
Product Attributes - Trans Cooler Line Connection
1/2 in.-20 inverted flare
Product Attributes - Trans Cooler Adapter Fittings Included
No
Product Attributes - Tube Size
1 1/4 in.
Product Attributes - Fan Included
Yes
Product Attributes - Fan Quantity
Dual
Product Attributes - Fan Diameter (in.)
12.00 in.
Product Attributes - Maximum Fan CFM
3,200 cfm
Product Attributes - Fan CFM Range
3,200-3,299
Product Attributes - Blade Material
Plastic
Product Attributes - Blade Color
Black
Product Attributes - Shroud Material
Aluminum
Product Attributes - Shroud Color
Polished
Product Attributes - Radiator Cap Included
Yes
Product Attributes - Quantity
Sold as a kit.
Product Attributes - Notes
Due to multiple engine configurations, please measure for additional clearance for the electric fan.

Reference Information

Brand Name/s Cold Case Radiators
StreetFX SKU radGMT556A21LSK
SFX Item ID 5025588
Supplier Item Code 5025588
Manufacturer SKU GMT556A21LSK
Manufacturer UPC N/A
Alternative References CCRGMT556A21LSK

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