Fluid · Coolant
Coolant
for 1993 GMC Sierra 3500 6.5L V8 Diesel · 4WD
Fluid Type
Conventional green ethylene glycol 50/50
Spec: GM 1899-M or equivalent
Capacity
27qt
25.54 L
Drain & Refill
22 qt
20.81 L
Change Interval
30,000 mi
48,270 km
Data quality
Book-style estimate
Not yet expert-verified. Have the real number? Correct it below — takes 30 seconds.
Notes
6.5L diesel has larger cooling system. Includes engine block, radiator, and heater core.