Fluid · Transfer Case
Transfer Case
for 1973 GMC K1500 402ci V8 · 4WD
Fluid Type
80W-90 GL-5 or Dexron II ATF
Spec: API GL-5 or GM Type A
Capacity
3qt
2.84 L
Drain & Refill
3 qt
2.84 L
Change Interval
50,000 mi
80,450 km
Data quality
Book-style estimate
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Notes
NP203 or NP205 transfer case. ATF acceptable for NP203, gear oil for NP205