Fluid · Coolant
Coolant
for 1999 GMC Jimmy 4.3L V6 Vortec · FWD
Fluid Type
Dex-Cool (orange) 50/50
Spec: GM 6277M or equivalent OAT
Capacity
12.5qt
11.82 L
Drain & Refill
12.5 qt
11.82 L
Change Interval
100,000 mi
160,900 km
Notes
Long-life ethylene glycol OAT coolant. Do not mix with conventional green coolant.
As an Amazon Associate and Autel/ANCEL partner, OLP earns from qualifying purchases — how we link. This never changes the specs we publish.