Ford Mustang Owner's Manual page 219

Maintenance and Specifications
Item Ford part
name
Engine oil Motorcraft
SAE 5W-20
Super
Premium
Motor Oil
(US)
Motorcraft
SAE 5W-20
Super
Premium
Motor Oil
(Canada)
Lock Penetrating
cylinders and Lock
Lubricant
Power Motorcraft
steering fluid MERCON
and ATF
convertible
top fluid (if
equipped)
Rear Axle Motorcraft
Lubricant SAE 80W-90
Premium
Rear Axle
Lubricant
Motorcraft
SAE 75W-140
Synthetic
Rear Axle
Lubricant
Automatic Motorcraft
transmission MERCON V
fluid ATF
(4R70/75
E-W)
OHV V6 Motorcraft
engine - MERCON
Manual ATF
transmission
fluid
2004 Mustang (mus)
Owners Guide (post-2002-fmt)
USA English (fus)
Ford part
number
XO-5W20-QSP
(US)
CXO-5W20
–LSP12
(Canada)
Motorcraft
XL-1
XT-2-QM
XY-80W90-QL WSP-M2C197-A
XY-75W140-QL WSP-M2C192-A
1
XT-5-QM
2
XT-2-QDX
Ford
specification
WSS-M2C153-H
with API
Certification
Mark
none
MERCON
MERCON V
MERCON
219