GM 2089 – Aluminum Chevrolet Truck Radiator


The GM 2089 is an all-aluminum radiator designed as an exact fit, OEM replacement for a variety of 1973-1984 Chevy trucks with big-block engines. Manufactured in the USA using controlled atmosphere brazing, the epoxy-free core has two rows of 1.25 inch tubes and measures 28.38 inches from header to header, 19.68 inches from side to side, 2.75 inches thick, and 3.50 inches inside the header. The aluminum tanks are TIG welded to the core and have a 1.25-inch inlet and a 1.50-inch outlet.

Add Ons

Core Upgrade

2 Rows of 1.25″ Fits most aluminum models

Core Measurements
Click for image
28.38 19.68 2.75 3.50
Additional Info

MOD 730

Additional Details
Inlet 1.25
Outlet 1.50
Construction Material Aluminum
Core Rows 2
Radiator Flow Style Crossflow
Tube Size 1.25

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