1956 Packard Panther Project

The Library

1955-56 Parts Crossreference

Generic part numbers, application interchange, etc.

Contents
ELECTRICALTune Up
Other
ENGINEInternal
External
CHASSISBrake parts
Wheels
Shock Absorbers
Front Wheel
Control arm
Torsion-Level
Twin-Ultramatic
Rear axle

ELECTRICAL

Tune Up
ReplacesPartManufP/N
Champion H10PlugsChampionH14Y
Champion N18PlugsChampionN16YC
AC45XLS
Bosch4478
Delco-RemyPointsStandardDR-2236P
WellsDR1074MV
Blue StreakDR2236XP
EchlinCS777A
CondensorBlue StreakDR-60X
EchlinRR174
RotorEchlinRR158
CapEchlinRR159
CoilStandardUC-12X
EchlinIC12
AutolitePointsEchlinCS720A
StandardAL5677XP
CondensorEchlinAL868
RotorEchlinAL65
CapEchlinAL99
CoilEchlinIC17

NOTE:Most Seniors are Delco-Remy OEM, most Juniors are Autolite OEM.
NOTE:Champion N-18 is 3/4" reach, late 1955, all 1956.


Other
PartManufP/NDescription
12V RegulatorNAPAVR325Either
VR122Delco negative
VR206Autolite negative
Horn RelayEchlinHR-101Fits All
12V BatteryBCIGroup number 29 or 60 Size chart
WalMart"Everstart Extreme" 13" W x 6-3/4" D x 8" H
Pep Boys"Energizer" 29HM-850 13" W x 6-3/4" D x 8" H
Battery cablesPepBoys0-27786-20042 *battery-to-starter, 42"
0-27786-20024battery-to-block, 24"
StarterBorg-WarnerSB0front bushing
Borg-WarnerSB102rear bushing

NOTE: ON cables "battery-to starter" is long enough to route under fresh air vent tube, not above it. Both are #02 gauge with clear insulation, top terminal connection.

ENGINE

Engine Internal
PartManufP/NCompatible with
Valve liftersSealed PowerHT 879Chrysler V-8
MellingJB 879ditto
Rings (352)Ford4.000" (stock) 1969-91 C,M,W 351CID
Rings (374)Chevy4.125" (stock) 1970-77 400CID (SB)
Intake ValveToledoV2198Packard 6480390
Main bearingsThompsonMS1696PPackard 458412,6
Cam bearingsTRWSH293SPackard 440380-4
Timing chainMorse9-346Packard 440842
LempcoTC346Packard 440842
Upper gearLempcoTC267Packard 440843
Lower gearLempcoTC268Packard 440841
Main oil sealVictorJV-692Packard 427104
Fel-ProBS5974ditto
Best5176ditto
Carb gasketMr Gasket57CCarter WCFB intake
NOTE ON RINGS:5/64" top & 2nd, 3/16" oil

Engine External
PartManufP/NDescription
Oil FilterACP115Packard SP50052
FramC4Pditto
GM5572288ditto
GM5572270ditto
MasterP70ditto
MOTOFL333ditto
NAPA1006ditto
PUROP20051Packard SP50057
WIX51100Packard SP50052
Fan BeltDayco15565Fan & Generator
15415Power Steering
Radiator HoseDayco70218Upper
Gates20046Upper
Goodyear60371Upper
60706Lower, see NOTE
Heater HoseGates28468molded
Goodyear63818molded
Heater valveEverhot55H-1219Thermostatic
5" Vent DuctingPackards Intl? $8.00 for 18"
JCWhitney19BU0356N $13.99 for 6ft
KanterGp 30.8243 $19.00 per ft

NOTE: Standard transmission or stock auto trans-cooler removed & replaced with finned-tube type

CHASSIS

Brake parts
PartYear, modelCompatible with
Front shoes1953-56 Senior, 12" X 2"TBD
1954-56 Junior, 11" X 2½" 1963-65 Pontiac, others
Rear shoes1953-56 Senior, 12" X 2" 1953-65 Chevy 3/4-Ton RWD Truck
1954-56 Junior, 11" X 2" 1957-59 Chevy 1/2-Ton RWD Truck w/Posi
Front flex hose1955-56 AllWagner F11190
Raybestos BH11190
Raybestos EIS SP949
Tru-torque 88226
Wagner FC8699
Rear flex hose1955-56Wagner F11191
Raybestos BH 11146
Front wheel clinder1951-56 All left: Brakeware 33220
left: Raybestos 18290
1951-56 All right: Brakeware 33221
left: Raybestos 18291
Rear wheel clinder1951-56 Senior, 12" left: Brakeware 33004
left: Raybestos 9025
right: Brakeware 33005
right: Raybestos 9026
same as 1969 Ford F150 Truck
same as 1987 Ford Bronco
1955-56 Junior, 11" left: Bendix 33791
left: Raybestos WC37218
right: Bendix 33792
right: Raybestos WC37219

Wheels
YearModelSize PatternOffsetFastner
1955Junior15x5½"4½"?bolt
Senior15x6"5"-5/8"bolt
1956Junior5x5½"4½"?nut
Senior15x6"5"-5/8"nut

Shock Absorbers
YearModelEndManufPart # TopBottom
1955JuniorFrontPackard465951SSStud
RearPackard465999SSEye
SeniorFrontPackard473054SSStud
RearPackard473055SSEye
1956JuniorFrontPackard6480571SST-bar
GabrielG60017SST-bar
GabrielG63359SST-bar
Monroe34381SST-bar
Monroe34750SST-bar
Monroe911096SST-bar
RearPackard465999SSEye
Monroe37147SSEye
SeniorFrontPackard6480891SST-bar
RearPackard6480496SSEye
NOTES:
    SS=Shouldered Stud
  • All Packard part numbers are for standard shocks with Torsion-Level.
  • 1951-55 Front shocks physically interchange between Juniors and Seniors, but valving differs.
  • 1956 Front shocks have different lower mount than prior years and physically interchange between Junior and Seniors, but valving differs.
  • 1955-56 Rear shocks physically interchange between Juniors and Seniors, but valving differs.

Front Wheel
PartYearModelManuf P/N
Grease seal1955-56SeniorNational5975
Victor49237
1955JuniorNational6456
Victor49594
1956JuniorNational6840S
Victor49746
Inner bearing1955-56SeniorTimkin14130
1956JuniorBowerLM 67048
Outer bearing1955-56SeniorTimkin12580
1956JuniorBowerLM 67010
Outer race1955-56SeniorTimkin12520

Control arm
PartYearModelManuf P/N
Upper inner bushings1951-56AllTRW12122

Torsion-Level
PartYearModelManuf P/N
Cover, comp motor1955-56AllDelco-Remy1861502
Stop light switch1955-56AllWellsRB402
EchlinSL 138

Twin-Ultramatic
PartYearManuf P/N
Front seal1956National450303
Rear seal1956National471829
Control valve seal1955Chicago Rawhide0.99HM18
Front U-Joint rebuild1955-56Bell4257
Rear U-Joint1955-56Neapco28056X-3-0056
NAPA304

Rear Axle
PartYearManuf P/N
Pinion seal1955Chicago Rawhide473457
Axle seal, outer1955Victor49282
Axle seal, inner1956Chicago Rawhide15105
NOTE: 1955 and 1956 rear axles are entirely different.

If anyone has anything to add to the above, please email the webmaster.

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