One Stop Solutions 1881 Radiator

Radiator Overview

This radiator is built for direct-fit cooling system replacement on the 1997-1999 Cadillac Catera. OSC Premium New Automotive Radiator 1881 is engineered to match original equipment form and function while using premium-grade aluminum construction and a crossflow design.

Part number 1881 is pressure tested during production and uses cadmium-plated tubes to help resist premature failure. The radiator also includes a concentric transmission oil cooler and a die-cut gasket for leak control.

Key Features

• OES-style radiator construction for factory-like fit and function
• Premium-grade aluminum core with plastic tanks
• Crossflow design with one-row core construction
• Concentric transmission oil cooler included
• Individually pressure tested during production
• Die-cut gasket used to help seal against leaks

Detailed Description

OSC radiator 1881 is a replacement cooling component for the Cadillac Catera, built to match original equipment dimensions and cooling layout. The core measures 25 7/8 inches high by 18 1/16 inches wide with a 7/8-inch thickness, and the unit uses 1 3/8-inch inlet and outlet connections. This design supports proper coolant flow and helps maintain stable operating temperatures in vehicles that rely on an OE-style crossflow radiator.

The radiator includes a concentric transmission oil cooler and is engineered for multi-fit applications without changing the look or fit of the original assembly. OSC also uses premium materials and production testing to improve durability and reduce the risk of leaks. If you are replacing a worn Cadillac Catera radiator, part number 1881 provides a direct-fit solution for the factory cooling layout.

Common Problems It Can Solve

• Coolant leaks from a cracked or aging radiator tank
• Overheating caused by restricted or damaged radiator flow
• Transmission fluid temperature issues related to a failing cooler circuit
• Reduced cooling performance from internal corrosion or tube failure

Installation Notes and Tips

Fits 1997-1999 Cadillac Catera, N/A. Verify core dimensions, inlet and outlet sizes, and cooler connection layout before installation. Part number 1881 is intended for vehicles with the listed factory cooling configuration, and the included transmission oil cooler should match the original application.

Cross-reference part numbers include APDI 8011881 and CU1881 for the same application.

Quality Assurance

OSC states that each radiator is individually pressure tested during production, with cooler and assembly checks performed before release. The brand also positions this radiator line as an OE-style replacement built to original equipment form and function.