Pennzoil® Synthetic
Gear
Oils
75W-90
GL-4
and GL-5
Available
in
SAE
75W-90
viscosity
grades
of
either
API
GL-4
or
API
GL-5
service
classifications.
Specially
formulated
with
synthetic
base
stocks
to
meet
the
requirements
that
today’s
cars,
minivans,
SUVs
and
light-duty
trucks
encounter
in
normal
and
severe
driving
conditions.
The
synthetic
base
stocks
used
in
Pennzoil® Synthetic
gear
lubricants
provide
better
protection
than
low-
and
high-temperature
conventional
mineral-oil
base
stocks.
They
offer
protection
over
a
wide
temperature
range.
The
API
GL-5
product
is
specially
suitable
for
use
in
limited
slip
differentials.
For
more
technical
data,
see
Pennzoil's
product
data
sheet for
GL-4 and
GL-5 
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