Fluid · Rear Differential
Rear Differential
for 2021 Cadillac CT4 2.7L Turbo I4 · RWD
Fluid Type
75W-90 synthetic
Spec: GM Part No. 19260121 or equivalent GL-5
Capacity
1.6qt
1.51 L
Drain & Refill
1.6 qt
1.51 L
Data quality
Book-style estimate
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Notes
RWD models. Filled for life per GM, service at 50k+ if severe use.
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