Page 75 of Automatic Transmission Parts Catalog 2005 by Alto Products Corp.
75
GENERAL MOTORS
HYDRAMATIC
TH400, 375 (3L80) 1964-95
TH425, 475 1966-78
ILL ALTO NO
REF NO DESCRIPTION
SPEC YEAR QTY NOTES
METAL CLAD SEALS
...Continued
20F
031401
8625892
Extension Housing
2.500
64-77
1
20F
031402
8675730
Extension Housing
2.700
64-95
1
20F
031403
8675731
Extension Housing (TH475)
64-95
1
20F
032402
3932255
Extension Housing (TH375)
2.380
72-76
1
N I 032410C
8657163
Manual Lever
64-95
1
N I 031057
1240382
Speedo seal without spring
Silicone
64-95
1
N I 031057A
25519078
Speedo seal with spring
VamacR
64-95
1
SEALING RINGS
KT 031600
C312
Sealing Ring Kit 10M
71-95
1
KT 031600A
C311
Sealing Ring Kit 6M
64-95
1
KT 031600T
C316
Sealing Ring Kit 10T
64-95
1
21A
031100
8626356
Front Pump stator
2.062
64-95
2
Metal
22D
031100
8626356
Center Support
2.062
64-95
4
Metal
21A
031110
NA
Front Pump stator Center support
Teflon
64-95
6
23F
031101
8623672
Accumulator Piston outer
Metal
64-70
1
23F
031107
NA
Accumulator Piston outer
Metal
71-95
1
23F
031108
8627153
Accumulator Piston outer
Teflon
71-95
1
24F
031102
8623671
Accumulator Piston inner
Metal
64-95
1
24F
031112
NA
Accumulator Piston inner
Teflon
64-95
1
25G
031104
8623131
Front Servo piston
Metal
64-95
1
N I 031105
8623653
Accumulator piston control valve
Metal
64-95
1
N I 031106
8623296
Turbine Shaft
Metal
65-67
1
SNAP RINGS
KT 031680
NA
Snap ring Kit
64-95
1
26B
031250
8623112
Forward Direct drum
64-95
2
27A
043252
8623105
Forward Direct spring retainer
64-95
2
28C TBA
8623120
Intermediate Sprag
64-95
1
29C TBA
8623149
Intermediate clutch retainer
64-95
1
30C
028252-106
8623437
Center support to case (Intermediate)
64-95
2
31D TBA
8627657
Reaction drum spacer
64-95
1
32E TBA
8626173
Output shaft
64-95
1
BUSHINGS
KT 031625
NA
Bushing Kit
64-95
1
33A
032200
8623940
Front Pump body
64-95
1
34A
031201
8623944
Stator support Front Rear
64-95
2
35D
031201
8623944
Sun Gear shaft Front Rear
64-95
2
36F
031202
8623941
Case
64-95
1
37F
031203
8619943
Extension Housing
1.240
64-70
1
37F
029201
8618167
Extension Housing Cadillac
.875
64-67
1
37F TBA
8626901
Extension Housing
1.000
64-95
1
37F
031207
8623966
Extension Housing
1.500
64-95
1
37F
032208
6260048
Extension Housing (TH375)
64-95
1
38D
031205
8623942
Center Support
64-95
1
39E
031208
8653985
Output Shaft narrow
74-95
1
39E
031208A
8623943
Output Shaft wide
64-95
1
N I 031210
NA
Reaction Carrier
64-95
1
WASHERS
KT 031635
NA
Washer Kit
64-95
1
40A
031150
8623300
Front Pump cover to Forward drum
.063
64-95
1
Yellow
40A
031151
8623301
Front Pump cover to Forward drum
.075
64-95
1
Blue
40A
031152
8623302
Front Pump cover to Forward drum
.083
64-95
1
Red
40A
031153
8623303
Front Pump cover to Forward drum
.094
64-95
1
Brown
40A
031154
8623304
Front Pump cover to Forward drum
.106
64-95
1
Green
40A
031155
8623305
Front Pump cover to Forward drum
.118
64-95
1
Black
40A
031156
8623306
Front Pump cover to Forward drum
.130
64-95
1
Purple
41A TBA
8624196
Forward clutch hub to Direct drum
64-95
1
42B
031157
8624781
Forward clutch hub to Direct clutch hub
64-95
1
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