Fluid · Coolant
Coolant
for 1992 GMC Sonoma 4.3L V6 Vortec · RWD
Fluid Type
Dexcool 50/50 or universal green
Spec: GM 6277M or conventional ethylene glycol
Capacity
13qt
12.3 L
Drain & Refill
10.5 qt
9.93 L
Change Interval
30,000 mi
48,270 km
Data quality
Calibrated
Platform-calibrated book-style value. Verification program ongoing.
Notes
4.3L has largest cooling system capacity
As an Amazon Associate and Autel/ANCEL partner, OLP earns from qualifying purchases — how we link. This never changes the specs we publish.