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General Motors TH250C Transmission

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TH250C
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Support & Market Presence Index

How widely this transmission is used, documented and supported across the Go4Trans graph.

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Diagram Parts Fitment Aliases Symptoms Related Sources Contribute

Exploded diagram & parts

Full TH350C parts catalog →

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179 179 · No. 1 181 181 · No. 2 070 070 · No. 3 034 034 · No. 4 5 5 · No. 5 530 530 · No. 6 036 036 · No. 7 529/520 529, 520 · No. 8 311/310 311, 310 · No. 9 10 10 · No. 10 037 037 · No. 11 332/333 332, 333 · No. 12 962 962 · No. 13 972 972 · No. 14 852 852 · No. 15 124/104 124, 104 · No. 16 144 144 · No. 17 212* 212* · No. 18 211* 211* · No. 19 022 022 · No. 20 864 864 · No. 21 980 980 · No. 22 663 663 · No. 23 652 652 · No. 24 046 046 · No. 25 662 662 · No. 26 555 555 · No. 27 336/337 336, 337 · No. 28 777/309 777, 309 · No. 29 965 965 · No. 30 975 975 · No. 31 879 879 · No. 32 858 858 · No. 33 126/106 126, 106 · No. 34 146* 146* · No. 35 878 878 · No. 36 229 229 · No. 37 670 670 · No. 38 554 554 · No. 39 336 336 · No. 40 335 335 · No. 41 964 964 · No. 42 974 974 · No. 43 879 879 · No. 44 858 858 · No. 45 126/106 126, 106 · No. 46 146* 146* · No. 47 878 878 · No. 48 232 232 · No. 49 592 592 · No. 50 050 050 · No. 51 235 235 · No. 52 894 894 · No. 53 582 582 · No. 54 886 886 · No. 55 612 612 · No. 56 57 57 · No. 57 58 58 · No. 58 622 622 · No. 59 243* 243* · No. 60 886 886 · No. 61 244 244 · No. 62 883 883 · No. 63 630 630 · No. 64 654 654 · No. 65 664/884 664, 884 · No. 66 052 052 · No. 67 584 584 · No. 68 251 251 · No. 69 895 895 · No. 70 594 594 · No. 71 254 254 · No. 72 255* 255* · No. 73 134/114 134, 114 · No. 74 893 893 · No. 75 977 977 · No. 76 966 966 · No. 77 339 339 · No. 78 338 338 · No. 79 062 062 · No. 80 678 678 · No. 81 849 849 · No. 82 847 847 · No. 83 958 958 · No. 84 374 374 · No. 85 996 996 · No. 86 412 412 · No. 87 639 639 · No. 88 192 192 · No. 89 926 926 · No. 90 362 362 · No. 91 929 929 · No. 92 896 896 · No. 93 991-6 991-6 · No. 94 760 760 · No. 95 927 927 · No. 96 163 163 · No. 97 346 346 · No. 98 160 160 · No. 99 843 843 · No. 100 785 785 · No. 101 162 162 · No. 102 781 781 · No. 103 497 497 · No. 104 991-3 991-3 · No. 105 799 799 · No. 106 994 994 · No. 107 108 108 · No. 108 489 489 · No. 109 064 064 · No. 110 348 348 · No. 111 770 770 · No. 112 066 066 · No. 113 074 074 · No. 114 991-7 991-7 · No. 115 991-5 991-5 · No. 116 991-2 991-2 · No. 117 118 118 · No. 118 908 908 · No. 119 906 906 · No. 120 012 012 · No. 121 014 014 · No. 122 684 684 · No. 123 680 680 · No. 124 774 774 · No. 125 848 848 · No. 126 785 785 · No. 127 842 842 · No. 128 991-4 991-4 · No. 129 997-7 997-7 · No. 130 907 907 · No. 131 195 195 · No. 132 909 909 · No. 133 748 748 · No. 134 747 +2 747, 321, 320 · No. 135 345 345 · No. 136 686 686 · No. 137 347 347 · No. 138 444 444 · No. 139 369 369 · No. 140 078 078 · No. 141 010 010 · No. 142 326 326 · No. 143 494 494 · No. 144 072 072 · No. 145 992 992 · No. 146 797 797 · No. 147 148 148 · No. 148 997-3 997-3 · No. 149 931 931 · No. 150 932 932 · No. 151 195 195 · No. 152 744 744 · No. 153 740 740 · No. 154 416 416 · No. 155 687 687 · No. 156 328 328 · No. 157 425 425 · No. 158 300/765 300, 765 · No. 159 371 371 · No. 160 387 387 · No. 161 995-1 995-1 · No. 162 995-3 995-3 · No. 163 995-2 995-2 · No. 164 997-2 997-2 · No. 165 782 782 · No. 166 779 779 · No. 167

Parts categories

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Kits
Kits
71 parts
Torque converter
Torque converter
1 part
Valve body & solenoids
Valve body & solenoids
34 parts
Electrical
Electrical
20 parts
Filters & pans
Filters & pans
7 parts
Seals & gaskets
Seals & gaskets
76 parts
Bushings, bearings & thrust
Bushings, bearings & thrust
51 parts
Bands & servos
Bands & servos
7 parts
Pump
Pump
27 parts
Friction & steel
Friction & steel
46 parts
Planetary & hard parts
Planetary & hard parts
98 parts
Hardware & other
Hardware & other
85 parts
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Vehicle fitment explorer

Confirmed vehicle applications. Every row is drawn from our source-verified fitment database.

59 applications · 5 makes · 1969–1986 Chevrolet 26 · GMC 10 · Pontiac 9 · Oldsmobile 8 · Buick 6

Make Model Year Drive Engine
Buick Century 1973-1981 4.3, 4.4, 5.0, 5.7
Buick Electra 1977-1983 5.0, 5.7
Buick Estate Wagon 1970-1979 4.9, 5.0, 5.7
Buick Lesabre 1970-1984 4.4, 4.9, 5.0, 5.7
Buick Regal 1973-1986 3.2, 4.3, 4.4, 4.9, 5.0, 5.7
Buick Skylark 1970-1979 3.7, 3.8, 4.1, 4.3, 4.9, 5.0, 5.6, 5.7
Chevrolet Camaro 1981 V6, V8 3.8, 4.4, 5.0L
Chevrolet Camaro 1981 3.8, 4.4, 5.0
Chevrolet Camaro 1969-1981 3.8, 4.1, 4.4, 5.0, 5.4, 5.7
Chevrolet Caprice 1969-1982 3.8, 4.1, 4.4, 5.0, 5.4, 5.7
Chevrolet Chevelle 1969-1973 3.8, 4.1, 5.0, 5.7
Chevrolet Corvette 1975-1981 5.0, 5.7
Chevrolet Impala 1969-1984 3.8, 4.1, 4.4, 5.0, 5.4, 5.7
Chevrolet Malibu 1973-1983 3.8, 4.1, 4.3, 4.4, 5.0, 5.4, 5.7
Chevrolet Monte Carlo 1970-1982 3.8, 4.4, 5.0, 5.7, 6.6, 7.4
Chevrolet Monza 1975-1979 5.0, 5.7
Chevrolet Nova 1972-1979 4.1, 5.0, 5.7
Chevrolet Truck Blazer C10 1/2 Ton 1970-1982 4.1, 5.0, 5.7
Chevrolet Truck Blazer K5 1/2 Ton 4WD 1969-1986 4.1, 4.8, 5.0, 5.7
Chevrolet Truck C10 1/2 Ton - Pickup 1969-1986 4.1,4.3, 4.8, 5.0, 5.7
Chevrolet Truck C20 3/4 Ton - Pickup 1969-1986 4.1, 4.8, 5.0, 5.7
Chevrolet Truck El Camino 1969-1984 4.8, 5.0, 5.7
Chevrolet Truck G10/1500 1/2 Ton - Van 1969-1986 3.8, 4.1, 4.3, 5.0
Chevrolet Truck G20/2500 3/4 Ton - Van 1969-1986 3.8, 4.1, 4.8, 5.0, 5.7
Chevrolet Truck K10 1/2 Ton 4WD - Pickup 1969-1986 4.1, 4.3, 4.8, 5.0, 5.7
Chevrolet Truck K20 3/4 Ton 4WD - Pickup 1969-1986 4.1, 4.3, 4.8, 5.0, 5.7
Chevrolet Truck P10 1/2 Ton - Step Van 1969-1979 3.8, 4.1, 4.8, 5.0
Chevrolet Truck P20 3/4 Ton - Step Van 1969-1986 3.8, 4.1, 4.8, 5.0
Chevrolet Truck Suburban C10 1/2 Ton 1969-1986 4.1, 4.8, 5.0, 5.7
Chevrolet Truck Suburban C20 3/4 Ton 1969-1986 4.1, 4.8, 5.0, 5.7, 6.2, 6.6, 7.4
Chevrolet Truck Suburban K10 1/2 Ton 4WD 1969-1986 4.1, 4.8, 5.0, 5.7
Chevrolet Truck Suburban K20 3/4 Ton 4WD 1969-1986 4.1, 4.8, 5.0, 5.7
GMC Truck C1500 1/2 Ton - Pickup 1969-1986 4.1, 4.8, 6.6, 5.0, 5.7, 7.4
GMC Truck C2500 3/4 Ton - Pickup 1969-1986 4.1, 4.8, 6.6, 5.0
GMC Truck G1500 1/2 Ton - Van 1969-1979 4.7, 3.8, 5.0, 4.1, 5.7
GMC Truck G2500 3/4 Ton - Van 1969-1979 3.8, 5.0, 5.7, 4.1, 4.3, 4.7, 4.8, 6.2, 6.6
GMC Truck G2500 Rally Wagon - Van 1986 4.3
GMC Truck Jimmy C1500 1/2 Ton 1971-1979 4.1, 5.0, 5.7
GMC Truck Jimmy K1500 1/2 Ton 4WD 1971-1986 4.1, 5.0, 5.7, 6.2, 6.6
GMC Truck K2500 3/4 Ton 4WD - Pickup 1969-1986 4.1, 5.0, 6.6
GMC Truck P1500 1/2 Ton - Step Van 1969-1980 3.8, 4.1, 4.8, 5.0
GMC Truck P2500 3/4 Ton - Step Van 1969-1986 3.8, 4.1, 5.0
Oldsmobile Custom Cruiser 1971-1983 V8 5.0, 6.6, 7.5L
Oldsmobile Custom Cruiser 1971-1983 5.0, 6.6, 7.5
Oldsmobile Cutlass 1980-1982 V6, V8 3.8,4.3,4.4,5.0,5.7L
Oldsmobile Cutlass 1980-1982 3.8, 4.3, 4.4, 5.0, 5.7
Oldsmobile Delta 88 1980-1986 3.0, 3.8, 4.3, 4.4, 5.0, 5.7
Oldsmobile Ninety Eight 1980-1986 3.0, 4.3, 5.0, 5.7
Oldsmobile Starfire 1980 V6 3.8L
Oldsmobile Starfire 1980 3.8
Pontiac Catalina 1969-1981 4.4, 4.9, 5.0, 5.7
Pontiac Firebird 1969-1981 3.8, 4.1, 4.3, 4.9, 5.0, 5.7
Pontiac Grand Am 1973-1980 V6,V8 3.8,4.9,5.0,5.7,6.6,7.5L
Pontiac Grand Am 1973-1980 3.8, 4.9, 5.0, 5.7, 6.6, 7.5
Pontiac Grand LeMans 1975-1981 3.8, 4.1, 4.3, 4.9, 5.0, 5.7, 6.6, 7.5
Pontiac Grand Prix 1976-1983 4.1, 4.4, 5.0
Pontiac Laurentian 1971-1981 3.8, 4.1, 4.3, 4.4, 5.0, 5.7, 6.6, 7.5
Pontiac LeMans 1973-1981 4.3, 4.9, 5.0, 5.7, 7.5
Pontiac Parisienne 1971-1982 3.8, 4.1, 4.3, 4.4, 5.0, 5.7, 6.6, 7.5

Other and alternative codes of this transmission

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Common problems & symptoms

Problems and symptoms reported for this transmission, compiled from repair sources. Not a complete list.

!
Friction plate failure from cross-leaks
Internal oil cross-leaks within the valve body/case are known to cause clutch friction material failure over time, which shift improver kits are designed to correct by redirecting oil flow.
!
Valve body wear/warp areas
Certain areas of the valve body/case are known to warp and wear, reducing oil flow and shift quality; aftermarket shift kits add oil flow to these areas.
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Sources & Contribution

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Every claim on this page is backed by a structured source record — including community contributions, each with its own reference.

Type
Title
Author
Link
link
TURBO HYDRAMATIC 250, 250C, 350, 350C parts catalog
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📋 Alias or code variant
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