Automatic Transmission Oil Pump fit your 1991 GMC G2500

Currently shopping for

1991 GMC G2500

Change Vehicle

Categories Close X

Currently selected

Transmission - Automatic

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

Parts Questions

Sort by:

Recommended

Part No. & Part Description

Price & Qty.

Part No. &
Part Description

24248064
RING KIT, Transmission Overhaul, RING KIT, SNAP (INCLUDE ITEMS #224,225)(*01)
$19.74 $12.55

VALVE, Transmission Main Control Valve Body

8648958
VALVE, REVERSE BOOST (1987)(1988-91 W/4.3Z,5.0H,5.7K)(1988 1ST DESIGN W/6.2C)(INCREASE*
8634031
VALVE, CONVERTER CLUTCH
8642921
VALVE, REVERSE BOOST (1985-86 W/4.3N)(INCLUDE ITEM #221)
8642922
VALVE, REVERSE BOOST (1985-86 W/305F,H,350L,M)(INCLUDE ITEM #221)
8642922
VALVE, REVERSE BOOST (1985 W/6.2)(INCLUDE ITEM #221)
8654989
VALVE, REVERSE BOOST (1986 W/6.2)(INCLUDE ITEM #221)
8661766
VALVE, TORQUE CONVERTER CLUTCH ENABLE
8663951
VALVE, REVERSE BOOST (1988 2ND DESIGN,1989-91 W/6.2C)(INCLUDE ITEM #221)
8681070
VALVE, TORQUE CONVERTER CLUTCH (PART OF ITEM #206)

SPRING, Transmission Front Servo

8634098
SPRING, PIVOT PINION (ALSO PART OF ITEM #203)
$11.79 $7.12
1
Add To Cart
24231039
SPRING, PUMP SLIDE (INNER)(ALSO PART OF ITEM #203)
$4.48 $2.84
1
Add To Cart
24231039
SPRING, PUMP SLIDE (OUTER)(ALSO PART OF ITEM #203)
$4.48 $2.84
1
Add To Cart

PLUG, Transmission Oil Pump

8623886
PLUG, PUMP COVER (6.80MM DIAMETER)(8 REQUIRED)
$8.06 $4.88
1
Add To Cart
8663707
PLUG, PUMP AIR BLEED (4.3MM DIAMETER)(1987-88)(3 REQUIRED)
$7.04 $4.46
1
Add To Cart
8631146
PLUG, PUMP AIR BLEED (4.3MM DIAMETER)(1985-86)(3 REQUIRED)

8631280
VANE, Transmission Front Servo, VANE, PUMP (AS REQUIRED)(ALSO PART OF ITEM #203,#214, ROTOR KIT)
$5.36 $3.40
10
Add To Cart

8634097
PIN, Transmission Front Servo, PIN, PIVOT SLIDE (ALSO PART OF ITEM #203)
$7.21 $4.57
1
Add To Cart

24230108
BODY, Transmission Oil Pump, BODY, PUMP (INCLUDE ITEMS #2,3,94,206-209,212,214,215,243)

11503348
RING, Transmission Auxiliary Valve Body Cover, RING, REVERSE BOOST VALVE RETAINING(*KIT4)
$9.87 $6.27
1
Add To Cart

20616587
SCREW, Transmission Front Servo, SCREW, PAN HEAD TORQUE (AS REQUIRED)
$7.23 $4.37
1
Add To Cart

RING, Transmission Front Servo

24201144
RING, PUMP VANE (ALSO PART OF ITEM #203)
$11.71 $7.43
1
Add To Cart
8628055
RING, PUMP COVER (2 REQUIRED)(*KIT2,KIT3)

24201804
GASKET KIT, Transmission Overhaul, GASKET KIT, W/SEALS (INCLUDE ITEMS #2,94,233)(*01)
$206.64 $118.73
1
Add To Cart

SEAL, Transmission Front Servo

24202535
SEAL, TORQUE CONVERTER FLUID(ALSO PART OF ITEM #203)(*KIT2,KIT3)
$13.95 $8.43
1
Add To Cart
24210605
SEAL, OIL PUMP TO CASE(*KIT1,KIT2,KIT3)
$10.28 $6.21
1
Add To Cart
8661602
SEAL, HELIX, PUMP BODY(*KIT1,KIT2,KIT3)
$10.68 $6.69
1
Add To Cart

ORIFICE, Transmission Oil Pump

24203787
ORIFICE, PUMP AIR BLEED (4.3MM DIAMETER)(1989-91)(3 REQUIRED)
$8.41 $5.08
1
Add To Cart
8634284
ORIFICE, PUMP COVER (4.85MM DIAMETER)
$18.67 $11.70
1
Add To Cart

SLIDE, Transmission Oil Pump

24208305
SLIDE, PUMP SELECTOR (17.968MM)
$35.66
1
Add To Cart
24208304
SLIDE, PUMP SELECTOR (17.955MM)(ALSO PART OF ITEM #203)
24208306
SLIDE, PUMP SELECTOR (17.981MM)
24208307
SLIDE, PUMP SELECTOR (17.994MM)
24208308
SLIDE, PUMP SELECTOR (18.007MM)

24243327
PUMP KIT, Transmission Oil Pump, PUMP KIT,AUTOMATIC TRANSMISSION FLUID(INCLUDE ITEMS #5,201 THROUGH 205)(*01)
$711.09 $408.55
1
Add To Cart

PLUG, Transmission Auxiliary Valve Body Cover

24243483
PLUG, TORQUE CONVERTER CLUTCH VALVE BORE (.67MM DIAMETER)(PART OF ITEM #206)
$3.84 $2.34
1
Add To Cart
24243483
PLUG, PRESSURE REGULATOR (PART OF ITEM #206)
$3.84 $2.34
1
Add To Cart
8682857
PLUG, TORQUE CONVERTER CLUTCH VALVE BORE (.50MM DIAMETER)(PART OF ITEM #206)

24243484
PLUG, Transmission Main Control Valve Body, PLUG, CONVERTER LIMIT VALVE BORE
$4.18 $2.33
1
Add To Cart

BUSHING, Transmission Front Servo

8687987
BUSHING, PUMP BODY (ALSO PART OF 203)
$8.48 $4.52
1
Add To Cart
8628915
BUSHING, TURBINE SHAFT

SPRING, Transmission Main Control Valve Body

8661767
SPRING, TORQUE CONVERTER CLUTCH ENABLE VALVE
$9.03 $5.73
1
Add To Cart
8678258
SPRING, CONVERTER LIMIT VALVE
$9.35 $5.65
1
Add To Cart
8681069
SPRING, TORQUE CONVERTER CLUTCH VALVE (PART OF ITEM #206)
$9.77 $6.13
1
Add To Cart
8634106
SPRING, PRESSURE RELIEF BALL VALVE
$9.68 $6.15
8634378
SPRING, TORQUE CONVERTER CLUTCH VALVE INNER(UPC/FNA: SPRING,TORQUE CONVERTER CLUTCH VALVE INNER)(4.216)
8634399
SPRING, TORQUE CONVERTER CLUTCH VALVE OUTER(4.216)

8634705
STOP, Transmission Control Valve, STOP,TORQUE CONVERTER CLUTCH VALVE(4.216)
$10.47 $6.56
1
Add To Cart

8634906
SEAL KIT, Transmission Front Servo, SEAL KIT, W/SUPPORT, PUMP SLIDE (INCLUDE ITEMS #204,205,210,211)(*01)
$10.55 $6.70
1
Add To Cart

SPRING, Transmission Auxiliary Valve Body Cover

8661798
SPRING, PRESSURE REGULATOR (PART OF ITEM #206)
$10.54 $6.69
1
Add To Cart
8642494
SPRING, PRESSURE REGULATOR VALVE (1985-86 W/4.3N)

8642581
SEAL, Transmission Oil Pump, SEAL,AUTOMATIC TRANSMISSION FLUID PUMP COVER SCREEN(PART OF ITEM #235)
$4.13 $2.62
1
Add To Cart

8642619
RIVET, Transmission Control Valve, RIVET,PRESSURE RELIEF BALL VALVE SPRING(4.216)
$7.01 $4.24
1
Add To Cart

SPRING, Transmission Control Valve

8680551
SPRING, 3-2 ISOLATOR VALVE (PART OF ITEM #206)
$10.62 $6.75
1
Add To Cart
8642751
SPRING, PRESSURE REGULATOR VALVE(1985-86 W/305F,H,350L,M,6.2)
8642751
SPRING, PRESSURE REGULATOR VALVE(1987-91)

8642912
SCREEN, Transmission Oil Pump, SCREEN, PUMP COVER (INCLUDE ITEM #234)
$10.65 $6.67
1
Add To Cart

ROTOR, Transmission Oil Pump & Governor

8649953
ROTOR, AUTOMATIC TRANSMISSION FLUID PUMP(17.981MM)(1987-91)(INCLUDE 204,205,210,211,213,215)
$75.57 $33.76
1
Add To Cart
8649953
ROTOR, PUMP SELECTOR (17.981MM)(1985-86)
$75.57 $33.76
1
Add To Cart
8649952
ROTOR, PUMP SELECTOR (17.968MM)(1985-86)
8649952
ROTOR, AUTOMATIC TRANSMISSION FLUID PUMP(17.968MM)(1987-91)(INCLUDE 204,205,210,211,213,215)
8649954
ROTOR, AUTOMATIC TRANSMISSION FLUID PUMP(17.994MM)(1987-91)(INCLUDE 204,205,210,211,213,215)(4.224)
8649955
ROTOR, AUTOMATIC TRANSMISSION FLUID PUMP(18.007MM)(1985-86)
8649955
ROTOR, AUTOMATIC TRANSMISSION FLUID PUMP(18.007MM)(1987-91)(INCLUDE 204,205,210,211,213,215)

8654491
RETAINER, Transmission Front Servo, RETAINER, FRONT HELIX SEAL (ALSO PART OF ITEM #203)(*KIT2,KIT3)
$3.93 $2.46
1
Add To Cart

PLUG

8661701
PLUG, OIL PUMP COVER (.26MM DIAMETER)(5 REQUIRED)(PART OF ITEM #206)
$7.82 $4.88
1
Add To Cart
8678255
PLUG, CUP ORIFICE (CONVERTER FEED)(OIL PUMP COVER)(PART OF ITEM #206)(3 REQUIRED)

PIN, Transmission Main Control Valve Body

8661768
PIN, TORQUE CONVERTER CLUTCH CONTROL VALVE SPRING
$8.96 $5.68
1
Add To Cart
8661838
PIN, PRESSURE REGULATOR, COILED SPRING (3 REQUIRED)
$9.00 $5.72
1
Add To Cart

WASHER, Transmission Front Servo

8677571
WASHER, THRUST (.059 THICK)(BLUE)
$31.16 $19.54
1
Add To Cart
8677572
WASHER, THRUST (.075 THICK)(RED)
$31.47 $19.02
1
Add To Cart
8677574
WASHER, THRUST (.107 THICK)(GREEN)
$36.21 $22.70
1
Add To Cart
8677575
WASHER, THRUST (.123 THICK)(BLACK)
$23.92 $14.99
1
Add To Cart
8677573
WASHER, THRUST (.091 THICK)(BROWN)

VALVE, Transmission Auxiliary Valve Body Cover

8678257
VALVE, CONVERTER LIMIT
$8.38 $5.33
1
Add To Cart
8682998
VALVE, PRESSURE REGULATOR (PART OF #206)
$33.72 $20.38
1
Add To Cart

8679465
RING, Transmission Main Control Valve Body, RING, RETAINER (PART OF ITEM #206)
$9.41 $5.68
1
Add To Cart

8682856
BUSHING, Transmission Auxiliary Valve Body Cover, BUSHING, REVERSE BOOST VALVE (PART OF ITEM #206)
$20.75 $13.00
1
Add To Cart

GUIDE, Transmission Front Servo

12337830
GUIDE, ROTOR (1987-91)(ALSO PART OF ITEM #214, ROTOR KITS)
8654733
GUIDE, ROTOR (1985-86)

COVER, Transmission Oil Pump

24200303
COVER, PUMP (COMPLETE)(1989-91 W/5.0H,5.7K)
24200303
COVER, PUMP (COMPLETE)(1988 W/4.3Z)
24200304
COVER, PUMP (COMPLETE)(1989-91 W/4.3Z)
24200304
COVER, PUMP (COMPLETE)(1987 W/5.0H,5.7K)
24200304
COVER, PUMP (COMPLETE)(1986-87 W/4.3N,Z)
24205398
COVER, PUMP (COMPLETE)(INCLUDE ITEMS #207-210,221 THROUGH 238)
8667083
COVER, PUMP (COMPLETE)(1986 W/305F,K,350K,L,M)
8667083
COVER, PUMP (COMPLETE)(1985 W/4.3N,305F,K,350K,L,M)
8667836
COVER, PUMP (COMPLETE)(1987 2ND DESIGN,1988-91 W/6.2C)

24202110
GASKET KIT, Seals & Gaskets, GASKET KIT, SEALS & GASKETS (INCLUDE ITEMS #5,201)(*01)

24204443
TRANSMISSION KIT, Transmission Overhaul, TRANSMISSION KIT,AUTO(SERVICE OVERHAUL W/PLATE,GASKET,SEAL)(INCLUDE ITEMS #5,201,219)(*01)

8628915
BUSHING, Transmission Input and Turbine Shaft, BUSHING,TURBINE SHAFT

8633748
RETAINER, Transmission High Clutch, RETAINER,CK VALVE PMP COVER(W/BALL)(4.169)

8634285
PLUG, Transmission Oil Cooler, PLUG,AUTOMATIC TRANSMISSION OIL PUMP FLUID COOLER HOLE(6.84MM DIAMETER)

VALVE KIT

8634941
VALVE KIT, T.V. BOOST (1987-88 W/4.3Z)
8634941
VALVE KIT, PUMP COVER TELEVISION (W/BUSHING)BOOST(1985)(1986 W/305H,F,350L,6.2)
8634941
VALVE KIT, T.V. BOOST (1989-91 W/5.0H,5.7K)
8647990
VALVE KIT, T.V. BOOST (1987-88 W/5.0H,5.7K,6.2C)
8647990
VALVE KIT, T.V. BOOST (1989-91 W/4.3Z,6.2C)
8647990
VALVE KIT, T.V. BOOST (1986 W/4.3N)

ROTOR KIT

8649951
ROTOR, AUTOMATIC TRANSMISSION FLUID PUMP(ROTOR, PUMP SELECTOR (17.955MM)(1987-91)(ALSO PART OF ITEM #203)(INCLUDE ITEM #215))
8649951
ROTOR, PUMP SELECTOR (17.955MM)(1985-86)

8649954
ROTOR, Transmission Oil Pump, ROTOR, PUMP SELECTOR (17.994MM)(1985-86)

PLUG, Oil Pump Cover Converter Feed

8661674
PLUG, OIL PUMP COVER CONVERTER FEED (.20MM DIAMETER)(PART OF ITEM #206)
8678255
PLUG, OIL PUMP COVER CONVERTER FEED (.168MM DIAMETER)(PART OF ITEM #206)

8661789
RING, RING, OIL SEAL (2 REQUIRED)(*KIT1)

8663615
TUBE, TUBE, AUXILIARY ACCUMULATOR VALVE

8684048
VALVE, Transmission Control Valve, VALVE,PRESSURE REGULATOR(4.216)

11500921
BOLT, HEXAGON (M8X1.25X40)(AS REQUIRED)
$11.14 $6.73
10
Add To Cart

11500921
BOLT, (M8X1.25X40)(5 REQUIRED)
$11.14 $6.73
10
Add To Cart

274267
RING, TYPE TA INTAKE RETAINER (.68 X .037)(AS REQUIRED)(*KIT4)
$9.77 $5.90
1
Add To Cart

274267
RING, SNAP (AS REQUIRED)(PART OF ITEM #206)
$9.77 $5.90
1
Add To Cart

7826284
BALL, 3/8" DIAMETER STEEL(AS REQUIRED)

Genuine GM Parts, the Right Choice

GMPartsGiant.com offers the wholesale prices for genuine 1991 GMC G2500 parts. Parts like Automatic Transmission Oil Pump 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.