Description: S-series. 5.3L. Trailblazer. 6.0L. Lightweight; the radiators have a positive heat transfer to weight ratio Corrosion-resistant aluminum designed core helps optimize the radiators long lasting service life This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors

Description: S-series. Trailblazer. Helps maintain optimal engine operating temperatures Designed to store heated coolant when pressures in the system rise and reintroduce it when cooled This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors