Shop GMC C2500 Engine Coolant Thermostat. 7.4 liter. 8.1 liter. 8.1 LITER GAS. 8.1L. All Models; 7.4L Liter, Models, COOLING - OEM GMC Part # 12559575 (12559269, 12559573)

5. 7L; 484 mm. 5. 7L; 500. 3 mm. All Models; 5.0L; All. All Models; 5.0L; w/AC. All Models; 5.0L; w/o AC. All Models; 5.7L. All Models; 6.2L Diesel. All Models; 6.5L Diesel; Auto Trans. All Models; 6.5L Diesel; Manual Trans. All Models; 7.4L; w/AC. All Models; 7.4L; w/o AC. All Models; 8.1L; Auto Trans. All Models; 8.1L; Manual Trans.

All Models; 7.4L. All Models; 8.1L.