Fluid · Engine Oil
Engine Oil
for 1975 Mercury Cougar 351ci V8 · RWD
Fluid Type
10W-40 or 10W-30 conventional
Spec: API SF
Capacity
6qt
5.68 L
Drain & Refill
6 qt
5.68 L
Change Interval
3,000 mi
4,827 km
Notes
351M (Modified) or 351W (Windsor) engine. Both use same oil capacity with filter. Use 5W-30 in cold climates below 0°F.
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