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 6'
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
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.
SS=Shouldered Stud

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.

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