Radiator for LS and LT Swaps on 1991-1996 B-Body Impala/Caprice/Roadmaster
The 1991-1996 Impala Radiator (Auto Trans) is engineered to address the extra heat load when swapping an LS or LT engine into a 1991-1996 Impala, Caprice, or Roadmaster with an automatic transmission. Featuring a TIG-welded aluminum core and matching tanks, this radiator delivers fast heat rejection and resists corrosion for reliable operation. Installation aligns perfectly with factory mounting points and transmission cooler ports, so you can retain the stock fan, shroud, and hose connections without cutting or extra brackets.
Rigorous TIG welded Aluminum Structure
Tanks and core are joined with a TIG welding process that creates uninterrupted metal bonds, preventing cracks and leaks under thermal stress. Aluminum delivers a low mass foundation that responds rapidly to temperature changes while resisting distortion during hard use. The inherent strength of this assembly handles vibration from everyday driving or spirited acceleration. This precision build ensures enduring service and maintains coolant system integrity over time.
Optimized Cooling for LS and LT Engine Conditions
A broad core area and dense fin layout speed the movement of heat from coolant to airflow, keeping temperature levels stable during heavy loads. This design mitigates hot spots that can degrade head gaskets or engine oils, especially in performance oriented LS or LT applications. Consistent coolant circulation underpins reliable operation whether cruising on long hauls or pushing the engine on winding roads. Fast heat rejection supports both street and track use.
Effortless Fitment in 1991 to 1996 B Body Platforms
Every mounting tab and transmission cooler port positions precisely to match factory points in Impala Caprice and Roadmaster vehicles from 1991 through 1996. This direct alignment removes the need for custom brackets or hose modifications, saving install time and reducing fabrication. It integrates cleanly with the original fan and shroud setup, preserving underhood layout and airflow patterns. A USA build process enforces strict tolerances for confident installation.
Durable Finishes for Lasting Corrosion Protection
Builders may choose a bare aluminum appearance that naturally forms an oxide barrier or an epoxy coated black surface that seals against road salt and moisture. The epoxy finish locks out contaminants and maintains surface condition through seasonal challenges. Both options retain structural strength and support vehicle resale value by preventing material degradation. This finish versatility lets installers match style preferences without compromising protection.
Engineered for dependable cooling in all conditions. For the same radiator but with fans, see our 1991-1996 Impala Radiator (Automatic Transmission) with Fans.