Coolant
11.8 L (12.4 US qt), approximately, for the entire cooling system
Notes
Silverado 1500 Custom 4WD Crew Cab Standard Bed CK10743 1CX L3B MFC MY2025 US only. US MY2025 Silverado 1500 Custom equipment group 1CX, model CK10743 (4WD Standard Bed Crew Cab); standard L3B/MFC verified in own-model order-guide Mechanical column E, Engine Axles 1 row 16 and MY2025 VIN p.30 series KB. No sibling trim, R77 configuration, optional-engine, cab/box, drive, year or market inference.
Transmission fluid
DEXRON-HP automatic transmission fluid
Notes
Silverado 1500 Custom 4WD Crew Cab Standard Bed CK10743 1CX L3B MFC MY2025 US only. US MY2025 Silverado 1500 Custom equipment group 1CX, model CK10743 (4WD Standard Bed Crew Cab); standard L3B/MFC verified in own-model order-guide Mechanical column E, Engine Axles 1 row 16 and MY2025 VIN p.30 series KB. No sibling trim, R77 configuration, optional-engine, cab/box, drive, year or market inference.
Fuel tank
90.8 L (24.0 US gal), approximately
Notes
Silverado 1500 Custom 4WD Crew Cab Standard Bed CK10743 1CX L3B MFC MY2025 US only. US MY2025 Silverado 1500 Custom equipment group 1CX, model CK10743 (4WD Standard Bed Crew Cab); standard L3B/MFC verified in own-model order-guide Mechanical column E, Engine Axles 1 row 16 and MY2025 VIN p.30 series KB. No sibling trim, R77 configuration, optional-engine, cab/box, drive, year or market inference.