S-series. 4.3l. 4.3L, manual trans. Auto trans. 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

Radiator Cap

S-series. Blazer/Sonoma/S10. Helps seal and maintain pressure in your vehicle's cooling system for vehicle safety

2.2L. 4.3L, all. Auto trans.

From reservoir, 4.3L.

Lower Shroud

4.3L. Helps regulate engine temperature Houses cooling fans Helps optimize airflow This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors

Fan Blade

S-series. 4.3l. Without 19.5 inch diameter. 6 cylinder, with ac. Astro, Safari. All. 4.3L, with ac. 2003-14. Express, savana. 4.8l. 6.0L. Hummer H2. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors

Clutch

S-series. 4.3l. 4.3L, without ac.