Automatic Transmission Case & Related Parts fit your 1991 GMC G2500

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1991 GMC G2500
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Frames, Springs, Shocks, Bumpers
Front Axle, Front Suspension, Steering
Front End Sheet Metal, Heater
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Categories Close X

Currently selected

Other Categories

Body Mounting, Air Conditioning, Audio/Entertainment
Brakes
Brakes, Rear Axle, Propeller Shaft, Wheels, Tires
Cab And Body Structure, Mirrors, Doors, Trim, Seat Belts, Wipers
Cooling System, Grille, Oil System
Engine
Frames, Springs, Shocks, Bumpers
Front Axle, Front Suspension, Steering
Front End Sheet Metal, Heater
Fuel System, Exhaust, Emission System
Rear Body Structure, Moldings & Trim, Cargo Stowage
Starter, Generator, Ignition, Electrical, Lamps
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Recommended
Part No. & Part Description
Price & Qty.
Part No. &
Part Description
  • PLUG, Transmission Case
    8654382
    PLUG, OIL TEST HOLE (HEXAGON HEAD,1/8 PIPE)(*KIT4,KIT5)
    $7.20 $4.51
    1
    Add To Cart
  • GMC 8611710
    8611710
    PLUG, DIRECT OIL GALLERY (.25 DIAMETER CUP)(*KIT4,KIT5)
    $8.34 $5.02
    1
    Add To Cart
  • GMC 8628864
    8628864
    PLUG, CASE SERVO & ACCUMULATOR (2 REQUIRED)
    $3.32 $2.11
  • PISTON, Transmission Servo & Accumulator
    GMC 8642613
    8642613
    PISTON, 2ND APPLY (PINK)(1986-91 W/6.2C)
    $91.17 $34.05
    1
    Add To Cart
  • GMC 8642613
    8642613
    PISTON, 2ND APPLY (PINK)(1985)
    $91.17 $34.05
    1
    Add To Cart
  • GMC 8642613
    8642613
    PISTON, 2ND APPLY (PINK)(1987-91 W/5.7K)
    $91.17 $34.05
    1
    Add To Cart
  • 24200418
    PISTON, MANUAL 2-1 SERVO(INCLUDE ITEMS #55 THROUGH 60)
    $19.49 $11.76
    1
    Add To Cart
  • GMC 8642478
    8642478
    PISTON, 4TH APPLY (INCLUDE ITEM #17)
    $61.73 $38.70
    1
    Add To Cart
  • GMC 8642614
    8642614
    PISTON, 2ND APPLY (GREEN)(1986-91 W/4.3Z,5.0H)
    $48.05 $17.51
    1
    Add To Cart
  • GMC 8663608
    8663608
    PISTON, 3-4 ACCUMULATOR(*KIT5)
    $15.86 $6.55
    1
    Add To Cart
  • RETAINER, Transmission Servo & Accumulator
    8634400
    RETAINER, W/BALL, 3RD ACCUMULATOR
    $13.53 $8.48
    1
    Add To Cart
  • GMC 8642416
    8642416
    RETAINER, SERVO CUSHION SPRING
    $10.30 $6.45
    1
    Add To Cart
  • GMC 8623664
    8623664
    RETAINER, REAR PISTON SPRING
    $9.43 $5.69
    1
    Add To Cart
  • SEAL, Oil Pan Pump Suction
    8656613
    SEAL, FILTER NECK
    $11.43 $6.90
    1
    Add To Cart
  • GMC 8657767
    8657767
    SEAL, OIL FILTER NECK(*KIT1,KIT2)
  • PAN, Transmission Oil Pan
    8667545
    PAN, OIL (1985-86)
    $70.97 $41.88
    1
    Add To Cart
  • 8667545
    PAN, W/GASKET & MAGNET, OIL (1987-91)(INCLUDE ITEMS #72,93)
    $70.97 $41.88
    1
    Add To Cart
  • SEAL, Speedometer Driven Gear
    15552872
    SEAL, SPEEDOMETER DRIVEN GEAR SLEEVE(*KIT1,KIT2)
    $4.09 $2.49
    5
    Add To Cart
  • 1240382
    SEAL, SPEEDOMETER DRIVEN GEAR (1985-87)(*KIT1,KIT2)
    $4.48 $2.70
    10
    Add To Cart
  • PIN, Transmission Servo & Accumulator
    GMC 8680500
    8680500
    PIN, 2ND APPLY (3 RINGS)(2.67-2.68)
    $21.20 $13.29
    1
    Add To Cart
  • 24200418
    PIN, FRONT SERVO PISTON(*KIT9)
    $19.49 $11.76
    1
    Add To Cart
  • GMC 8680499
    8680499
    PIN, 2ND APPLY (2 RINGS)(2.61-2.62)
    $30.80 $19.31
    1
    Add To Cart
  • GASKET KIT, Transmission Main Control Valve Body
    GMC 8642993
    8642993
    GASKET KIT, VALVE BODY SPACER PLATE (1985-86)
    $12.60
    1
    Add To Cart
  • GMC 8689949
    8689949
    GASKET KIT, CONTROL VALVE BODY SPACER PLATE(1987-91)(INCLUDE 89)
    $10.65 $6.68
    1
    Add To Cart
  • GASKET, Transmission Front Servo
    12337931
    GASKET, OIL PUMP COVER TO CASE(*KIT1,KIT2)
    $33.52 $20.25
    1
    Add To Cart
  • 8677782
    GASKET, OIL PUMP COVER TO CASE(*KIT1,KIT2)
    $14.33 $8.66
    1
    Add To Cart
  • SEAL, Transmission Rear Main Bearing
    1358899
    SEAL, EXTENSION TO CASE(*KIT1,KIT2)
    $4.09 $2.62
    5
    Add To Cart
  • GMC 24236132
    24236132
    SEAL, CASE EXTENSION (HELIX)
    $14.11 $8.52
    1
    Add To Cart
  • 8673526
    SEAL, EXTENSION OIL(*KIT1,KIT2)
    $10.80 $6.53
    1
    Add To Cart
  • GMC 8677463
    8677463
    SEAL, BOOTED REAR EXTENSION(SOME MODELS)
    $15.01 $9.54
    1
    Add To Cart
  • 8681168
    SEAL, AUTOMATIC TRANSMISSION CASE EXTENSION(*KIT1,KIT2)(4.515)
    $12.51 $7.56
    1
    Add To Cart
  • BOLT, Transmission Front Servo
    GMC 24206031
    24206031
    BOLT, W/SEAL, OIL PUMP TO CASE (7 REQUIRED)(*KIT1,KIT2)
    $1.13 $0.68
    1
    Add To Cart
  • GMC 24233361
    24233361
    BOLT, W/WASHER, PUMP TO CASE (M8X1.25X60)(7 REQUIRED)(*KIT1,KIT2)
    $4.69 $2.83
    1
    Add To Cart
  • SPRING, Reverse Brake Band
    GMC 24207758
    24207758
    SPRING, SERVO APPLY PINION
    $9.04 $5.46
    1
    Add To Cart
  • GMC 8623666
    8623666
    SPRING, REAR SERVO
    $29.36 $17.72
    1
    Add To Cart
  • RING KIT, Front Servo Piston
    GMC 24232073
    24232073
    RING KIT, 2-4 BAND SERVO 2ND APPLICATION PISTON FLUID SEAL(W/5.7,6.2)(INCLUDE ITEM #23)(*02)
    $20.02 $12.09
    1
    Add To Cart
  • GMC 8642957
    8642957
    SEAL KIT, 2ND APPLY PISTON (W/4.3,5.0)(INCLUDE ITEM #24)(*02)
    $7.99
    1
    Add To Cart
  • PIPE, Transmission Case
    GMC 8633408
    $11.02 $6.67
    1
    Add To Cart
  • GMC 8633408
    8633408
    PIPE, AUTOMATIC TRANSMISSION VENT
    $11.02 $6.67
    1
    Add To Cart
  • 8637742
    CONNECTOR,, CONNECTOR, INVERTED FLARED TUBE (2 REQUIRED)(*KIT4,KIT5)
    • Replaced By: 19435221
    $75.89 $12.60
    1
    Add To Cart
  • CONVERTER, Transmission Converter
    GMC 8691904
    8691904
    CONVERTER, TRANS (1989-91 1ST DESIGN W/4.3N,Z)(REMANUFACTURED)
    $451.66 $286.49
    1
    Add To Cart
  • GMC 8689960
    8689960
    CONVERTER, TRANS (REMANUFACTURE)(W/7.4N)
    $690.98 $439.28
    1
    Add To Cart
  • GMC 8690904
    8690904
    CONVERTER, TRANS (REMANUFACTURE)(W/4.3Z)
    • Replaced By: 24217613
    $693.80 $441.07
    1
    Add To Cart
  • GMC 8691906
    8691906
    CONVERTER, TRANS (W/6.2C,J)(REMANUFACTURED)
    $409.56 $259.86
    1
    Add To Cart
  • GMC 8690903
    8690903
    CONVERTER, TRANS (REMANUFACTURE)(W/5.7K,6.2J)
  • GMC 8691910
    8691910
    CONVERTER, TRANS (1991 2ND DESIGN W/4.3Z)(REMANUFACTURED)
  • GMC 8691911
    8691911
    CONVERTER, TRANS (W/305F,H,350L,M,K,5.0H,5.7K)(REMANUFACTURED)
    $441.80 $280.27
  • SOLENOID, Transmission Solenoid
    GMC 8654122
    8654122
    SOLENOID, W/SEAL, CONVERTER CLUTCH (TYPE 2)(1985 W/350M)
    $50.16 $24.87
    1
    Add To Cart
  • GMC 8654122
    8654122
    SOLENOID, W/SEAL, CONVERTER CLUTCH (TYPE 2)(1985-86 4.3 W/FEDERAL ALT)(1986 4.3Z W/FEDERAL,ALT)
    $50.16 $24.87
    1
    Add To Cart
  • 8654124
    SOLENOID, W/SEAL, CONVERTER CLUTCH (TYPE 4)(1985 W/305F)
    $51.32 $18.70
    1
    Add To Cart
  • 8654124
    SOLENOID, W/SEAL, CONVERTER CLUTCH (TYPE 4)(1985 350L W/CALIFORNIA)
    $51.32 $18.70
    1
    Add To Cart
  • 8654124
    SOLENOID, W/SEAL, CONVERTER CLUTCH (TYPE 4)(1986 4.3N W/CALIFORNIA)
    $51.32 $18.70
    1
    Add To Cart
  • GMC 10478101
    10478101
    SOLENOID, W/SEAL, CONVERTER CLUTCH (TYPE 19)(1989-91 W/6.2C)
  • GMC 24235642
    24235642
    SOLENOID, W/SEAL, CONVERTER CLUTCH (TYPE 18)(1988 2ND DESIGN, W/4.3Z,5.0H,5.7K)
  • GMC 24235642
    24235642
    SOLENOID, W/SEAL, CONVERTER CLUTCH (TYPE 18)(1989-91 W/4.3Z,5.0H,5.7K)
  • GMC 8654121
    8654121
    SOLENOID, W/SEAL, CONVERTER CLUTCH (TYPE 1)(1985-86 350L W/FEDERAL ALT)
  • GMC 8654121
    8654121
    SOLENOID, W/SEAL, CONVERTER CLUTCH (TYPE 1)(1985-86 W/305H)
  • GMC 8654123
    8654123
    SOLENOID, W/SEAL, CONVERTER CLUTCH (TYPE 3)(1985-88 6.2C W/FEDERAL ALT)
  • GMC 8654130
    8654130
    SOLENOID, W/SEAL, CONVERTER CLUTCH (TYPE 10)(1985 6.2C W/CALIFORNIA)
  • GMC 8654415
    8654415
    SOLENOID, W/SEAL, CONVERTER CLUTCH (TYPE 15)(1988 1ST DESIGN, W/4.3Z,5.0H,5.7K)
  • GMC 8654415
    8654415
    SOLENOID, W/SEAL, CONVERTER CLUTCH (TYPE 15)(1987 W/4.3Z,5.0H,5.7K)
  • GASKET, Transmission Main Control Valve Body
    GMC 24201115
    24201115
    GASKET, VALVE BODY TO SPACER PLATE(*KIT1,KIT2)
    $11.75 $7.46
    1
    Add To Cart
  • GMC 8684205
    8684205
    GASKET, CASE TO SPACER PLATE(*KIT1,KIT2)
    $11.38 $7.12
    1
    Add To Cart
  • SEAL, Transmission Front Servo
    GMC 24208664
    24208664
    SEAL, PUMP TO CASE BOLT O-RING (7 REQUIRED)
    $3.81 $2.28
    1
    Add To Cart
  • GMC 24210605
    24210605
    SEAL, OIL PUMP TO CASE (ALSO PART OF ITEM #7)(*KIT1,KIT2)
    $10.28 $6.21
    1
    Add To Cart
  • GMC 24210605
    24210605
    SEAL, OIL PUMP TO CASE(*KIT1,KIT2,KIT3)
    $10.28 $6.21
    1
    Add To Cart
  • GMC 8648394
    8648394
    SEAL, PUMP FRONT (ALSO PART OF ITEM #7)(*KIT1,KIT2)
    $8.92 $7.26
    1
    Add To Cart
  • SLEEVE, Speedometer Driven Gear
    GMC 25512339
    25512339
    SLEEVE, SPEEDOMETER DRIVEN GEAR (W/40 THROUGH 45 TEETH GEAR)
    $122.15 $70.19
    1
    Add To Cart
  • GMC 25512340
    25512340
    SLEEVE, SPEEDOMETER DRIVEN GEAR (W/34 THROUGH 39 TEETH GEAR)
    $83.63 $48.05
    1
    Add To Cart
  • PIN, Transmission Rear Servo Accumulator
    GMC 8627192
    8627192
    PIN, REAR BAND APPLY (3.328-3.334)(#2)
    $25.85 $13.51
    1
    Add To Cart
  • GMC 8624139
    8624139
    PIN, REAR BAND APPLY (3.300-3.306)(#1)
  • GMC 8624140
    8624140
    PIN, REAR BAND APPLY (3.356-3.362)(#3)
  • GMC 8624141
    8624141
    PIN, REAR BAND APPLY (3.412-3.418)(#5)
  • GMC 8627193
    8627193
    PIN, REAR BAND APPLY (3.384-3.390)(#4)
  • GMC 8627194
    8627194
    PIN, REAR BAND APPLY (3.440-3.446)(#6)
  • GMC 8627195
    8627195
    PIN, REAR BAND APPLY (3.468-3.474)(#7)
  • RING, Front Servo Piston
    GMC 8626423
    8626423
    RING, FRONT SERVO PISTON OIL(*KIT1,KIT9)
    $10.68 $6.78
    1
    Add To Cart
  • 8635568
    RING, 1-2 ACCUMULATOR PISTON FLUID SEAL(*KIT5)
    $6.50 $5.67
    1
    Add To Cart
  • 8635568
    RING, 3-4 ACCUMULATOR PISTON FLUID SEAL(*KIT1,KIT2,KIT5)
    $6.50 $5.67
    1
    Add To Cart
  • GMC 8642480
    8642480
    RING, 4TH APPLY PISTON OUTER OIL SEAL (ALSO PART OF ITEM #16)(*KIT1,KIT2)
    $11.47 $7.28
    1
    Add To Cart
  • SEAL, Front Servo Piston
    GMC 8642112
    8642112
    SEAL, O-RING, SERVO PISTON INNER HOUSING(*KIT1,KIT2)
    • Replaced By: 24208661
    $10.33 $6.56
    1
    Add To Cart
  • GMC 8647351
    8647351
    SEAL, O-RING (2ND & 4TH SERVO COVER)(ALSO PART OF #15)(*KIT1,KIT2)
    • Replaced By: 24208662
    $11.75 $7.09
    1
    Add To Cart
  • COVER, Transmission Servo & Accumulator
    8642979
    COVER, 2-4 SERVO(W/SEAL)(INCLUDE ITEM #14)(4.241)
    $35.14 $22.01
    1
    Add To Cart
  • GMC 8683543
    8683543
    COVER, W/PINION, 1-2 ACCUMULATOR
  • BOLT, Transmission Servo & Accumulator
    GMC 8675533
    8675533
    BOLT, ACCUMULATOR HOUSING TO VALVE BODY (SHORT)(5 REQUIRED)
    $9.05 $5.47
    1
    Add To Cart
  • GMC 8680876
    8680876
    BOLT, ACCUMULATOR HOUSING TO VALVE BODY (LONG)
    $8.44 $5.08
    1
    Add To Cart
  • GEAR, Speedometer Driven
    GMC 1359272
    1359272
    GEAR, SPEEDOMETER DRIVEN (38 TEETH)(BLUE)
  • GMC 1362195
    1362195
    GEAR, SPEEDOMETER DRIVEN (41 TEETH)(YELLOW)
  • SPRING, Transmission Rear Servo Accumulator
    GMC 8623667
    8623667
    SPRING, LOW & REV ACCUMULATOR PISTON(4.3Z)(4.246)
  • GMC 8624391
    8624391
    SPRING, LOW & REV ACCUMULATOR PISTON(YELLOW)(W/5.7K,6.2J)
  • GMC 8670753
    8670753
    SPRING, REAR ACCUMULATOR (BLACK)(W/7.4N)
  • PLUG, Transmission Main Control Valve Body
    GMC 8647185
    8647185
    PLUG, CLUTCH & ACCUMULATOR PRESSURE (1/4-18 PIPE)(1985-87)(3 REQUIRED)
  • GMC 8654381
    8654381
    PLUG, CLUTCH & ACCUMULATOR PRESSURE (1988-91)(3 REQUIRED)
  • VALVE, Transmission Solenoid
    GMC 8654126
    8654126
    VALVE, TORQUE CONVERTER CLUTCH SOLENOID(TYPE 6)(1986 350L W/CALIFORNIA)
  • GMC 8654126
    8654126
    VALVE, TORQUE CONVERTER CLUTCH CONTROL(TYPE 6)(1986 W/305F)
  • BOLT
    GMC 8667680
    8667680
    BOLT, HEXAGON WASHER HEAD (M6X1X7.4)(AS REQUIRED)
  • GMC 8667821
    8667821
    BOLT, SPECIAL HEX WASHER HEAD (M6X1X24)(2 REQUIRED)
  • CLIP, Chassis/Engine Wiring Harness
    GMC 8673068
    8673068
    CLIP, AUTOMATIC TRANSMISSION WIRING HARNESS(4.197)
  • 8675539
    CLIP, AUTOMATIC TRANSMISSION WIRING HARNESS(3 REQ'D)
  • 11588711
    BOLT, HEX FLANGED HEAD (M6X1X12, 9.8 PLATE STEEL)(AS REQUIRED)
    $7.39 $4.69
    1
    Add To Cart
  • 11561025
    BOLT, METRIC HEXAGON (AS REQUIRED)
    $9.15 $5.81
    1
    Add To Cart
  • 8654382
    PLUG, LINE PRESSURE (1/8-27 AUTO HH PIPE PLAIN)(AS REQUIRED)
    $7.20 $4.51
    1
    Add To Cart
  • 104918
    BALL, STANDARD (6.3MM)(8 REQUIRED)
    $0.07 $0.04
    10
    Add To Cart
  • 11515756
    BOLT, HEX FLANGED HEAD, PAN TO CASE (M8X1.25X20, 15.55 OUTSIDE DIAMETER, 9.8)(17 REQUIRED)
    $7.50 $4.53
    10
    Add To Cart
  • GMC 11515262
    11515262
    BOLT, HEXAGON HEAD (M6X1.0X55.0)(21 REQUIRED)
    $6.04 $3.65
    1
    Add To Cart
  • 15614709
    BOLT, W/CONICAL SPRING WASHER (M8X1.25X20,9.8 ZO)(AS REQUIRED)
    $9.86 $6.26
    1
    Add To Cart
  • 15614709
    BOLT, W/CONICAL SPRING WASHER,M8X1.25X20,15.58THD,18 O.D.,9.8,ZO(AS REQUIRED)(1.270)
    $9.86 $6.26
    1
    Add To Cart
  • GMC 11503428
    11503428
    BOLT, HEXAGON (M10X1.5X27)(AS REQUIRED)
    $7.38 $4.69
    1
    Add To Cart
  • GMC 11503870
    11503870
    BOLT, HEXAGON (M6X1X35, 10.9)(AS REQUIRED)
    $3.92 $2.49
    1
    Add To Cart
  • GMC 11503870
    11503870
    BOLT, VALVE BODY TO CASE (M6X1.0X35.0)(AS REQUIRED)
    $3.92 $2.49
    1
    Add To Cart
  • GMC 11506078
    11506078
    BOLT, HEX FLANGED HEAD (M6X1X65, 9.8 PLAIN)(AS REQUIRED)
    $13.09 $8.32
    1
    Add To Cart
  • 11508687
    BOLT, HEXAGON (M8X1.25X20, 10.9 PHOSPHATE ZINC ORGANIC)(AS REQUIRED)
    $14.85 $8.98
    1
    Add To Cart
  • GMC 88959957
    88959957
    CLIP, RETAINING (BOTTOM)(AS REQUIRED)
    $12.60
    1
    Add To Cart
  • 9415640
    RETAINER, SNAP RING BOWED EXTERNAL FITS SHAFT (7/16)(AS REQUIRED)
    $7.24 $4.51
    1
    Add To Cart
  • GMC 120385
    120385
    WASHER, FLAT STEEL (1/4 INSIDE DIAMETER, 9/16 OUTSIDE DIAMETER, ZINC COATED)(AS REQUIRED)
    $0.56 $0.36
    1
    Add To Cart
  • GMC 8639743
    8639743
    BOLT, HEXAGON W/CONICAL WASHER (M6X1X15, 9.8 PHOSPHATE ZINC ORGANIC)(AS REQUIRED)
    $12.60
    1
    Add To Cart
Genuine GM Parts, the Right Choice
GMPartsGiant.com offers the wholesale prices for genuine 1991 GMC G2500 parts. Parts like Automatic Transmission Case & Related Parts are shipped directly from authorized GM dealers and backed by the manufacturer's warranty. Parts fit for the following vehicle options. Engine: 6 Cyl 4.3L, 8 Cyl 5.0L, 8 Cyl 5.7L, 8 Cyl 6.2L Diesel. Model Code: 3/4 TON CARGO, 3/4 TON PASSENGER.