Koyorad A2191 Radiator

Koyorad A2191 Radiator for Saturn S-Series

The Koyorad A2191 radiator is an OE-equivalent replacement built for Saturn S-Series cooling system service. It combines an aluminum core with plastic tanks and includes an internal transmission oil cooler for direct-fit replacement on supported automatic-transmission applications.

Key Features

• OE-style radiator replacement from Koyorad Radiator
• Aluminum core with plastic tank construction
• Single-row core design
• Core dimensions: 23.625 in. height, 15.5 in. width, 0.625 in. thickness
• 1.25 in. inlet and 1.25 in. outlet diameters
• Internal transmission oil cooler included
• Transmission oil cooler diameter: 1.125 in.
• Part number A2191 for easy identification

Product Details

Koyorad Radiator A2191 is engineered as a direct replacement radiator for select 1994-2002 Saturn SC1, SC2, SL, SL1, SL2, SW1, and SW2 models. Koyorad focuses on OE-equivalent replacement cooling components, using manufacturing experience and application-specific design to deliver a radiator that matches the original layout and cooling requirements of the vehicle. This radiator is a practical choice for Saturn SC2 radiator replacement, Saturn SL2 radiator replacement, and other Saturn S-Series cooling repairs where the transmission cooler is part of the original setup.

What This Radiator Helps Address

• Overheating caused by a worn or leaking radiator
• Coolant loss from cracked tanks or aged core materials
• Transmission cooling issues on equipped automatic-transmission vehicles
• Reduced cooling efficiency from clogged or damaged radiator passages
• Replacement needs after corrosion, impact damage, or age-related failure

Installation Notes and Tips

Verify inlet and outlet hose sizes, core dimensions, and transmission cooler connections before installation. This radiator is listed with an internal transmission oil cooler included, so confirm your vehicle uses the same configuration before ordering. Flush the cooling system, inspect hoses and clamps, and replace any worn seals or related cooling components during service. Fits 1994-2002 Saturn SC1, 1994-2002 Saturn SC2, 1994-2002 Saturn SL, 1994-2002 Saturn SL1, 1994-2002 Saturn SL2, 1994-2001 Saturn SW2, and 1994-1999 Saturn SW1.

Quality Assurance

Koyorad builds OE-equivalent radiators using application-specific engineering and manufacturing know-how to support proper fit and cooling performance. Part number A2191 is a direct-reference radiator for the listed Saturn S-Series applications.