Fluid · Rear Differential
Rear Differential
for 2019 Cadillac CT6 4.2L V8 Twin-Turbo · AWD
Fluid Type
75W-90 synthetic gear oil
Spec: GM Part #88862624 or equivalent GL-5
Capacity
1.8qt
1.7 L
Drain & Refill
1.8 qt
1.7 L
Notes
RWD only on V-Sport models. Limited-slip differential with additive required
As an Amazon Associate and Autel/ANCEL partner, OLP earns from qualifying purchases — how we link. This never changes the specs we publish.