1991 GMC Gmc 2500 Pickup
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 BrakingElectronics & Programmable | BrakingElectronics & Programmable |
 Heating & Cooling | Heating & Cooling |
 Heating & Cooling | Heating & Cooling |
 Heating & Cooling | Heating & Cooling |
 Fuel System | Fuel System |
 Powertrain | Powertrain |
 Electronics & Programmable | Electronics & Programmable |
 Suspension | Suspension |
 Suspension | Suspension |
 Glass & Windows | Glass & Windows |
 Powertrain | Powertrain |
 Heating & Cooling | Heating & Cooling |
 Braking | Braking |
 Powertrain | Powertrain |
 PowertrainSuspension | PowertrainSuspension |
 Electronics & Programmable | Electronics & Programmable |
 Powertrain | Powertrain |
 Braking | Braking |
 Heating & Cooling | Heating & Cooling |
 Powertrain | Powertrain |
 Powertrain | Powertrain |
 Powertrain | Powertrain |
 Interior | Interior |
 Body Parts | Body Parts |
 Powertrain | Powertrain |
 Powertrain | Powertrain |
 Electronics & Programmable | Electronics & Programmable |
 Heating & Cooling | Heating & Cooling |
| Engine Oil Cooler Heating & Cooling | Heating & Cooling |
 Powertrain | Powertrain |
 Heating & Cooling | Heating & Cooling |
 Heating & Cooling | Heating & Cooling |
 Body Parts | Body Parts |
 Powertrain | Powertrain |
 Body Parts | Body Parts |
 Suspension | Suspension |
 Braking | Braking |
 Body Parts | Body Parts |
 Body Parts | Body Parts |
 Glass & Windows | Glass & Windows |
 Glass & Windows | Glass & Windows |
 Powertrain | Powertrain |
 Suspension | Suspension |
 Lighting | Lighting |
 Suspension | Suspension |
 Suspension | Suspension |
 Suspension | Suspension |
 Fuel System | Fuel System |
 Fuel System | Fuel System |
 Fuel System | Fuel System |
 Body Parts | Body Parts |
 Powertrain | Powertrain |
 Lighting | Lighting |
 Heating & Cooling | Heating & Cooling |
 Body Parts | Body Parts |
 Body Parts | Body Parts |
 Suspension | Suspension |
 Electronics & Programmable | Electronics & Programmable |
 Powertrain | Powertrain |
 Suspension | Suspension |
 Braking | Braking |
 Powertrain | Powertrain |
 Body Parts | Body Parts |
 Body Parts | Body Parts |
 Braking | Braking |
 Steering | Steering |
| Pressure Plate Powertrain | Powertrain |
 Glass & Windows | Glass & Windows |
 Body Parts | Body Parts |
 Body Parts | Body Parts |
 Heating & Cooling | Heating & Cooling |
 Electronics & Programmable | Electronics & Programmable |
 PowertrainSuspension | PowertrainSuspension |
 Braking | Braking |
 Body Parts | Body Parts |
 Glass & Windows | Glass & Windows |
 Powertrain | Powertrain |
 Suspension | Suspension |
 Body Parts | Body Parts |
 Glass & Windows | Glass & Windows |
 Interior | Interior |
 Safety | Safety |
 Electronics & Programmable | Electronics & Programmable |
 InteriorSteering | InteriorSteering |
 PowertrainSteering | PowertrainSteering |
 Suspension | Suspension |
 Suspension | Suspension |
 Lighting | Lighting |
 Heating & CoolingInterior | Heating & CoolingInterior |
 Powertrain | Powertrain |
 Powertrain | Powertrain |
 Powertrain | Powertrain |
 Suspension | Suspension |
 Powertrain | Powertrain |
 Powertrain | Powertrain |
 Braking | Braking |
 Wheels & Tires | Wheels & Tires |
 Wheels & Tires | Wheels & Tires |
 Glass & Windows | Glass & Windows |
 Glass & Windows | Glass & Windows |
 Glass & Windows | Glass & Windows |
Browse parts by system
Browse every OEM part we have data for on the 1991 GMC GMC 2500 PICKUP, grouped by vehicle system.
Body Parts (14)
Braking (8)
Electronics & Programmable (7)
- ABS Module
- Alternator
- 74 amp
- 85 amp diesel
- 85 amp gasoline w/o 8-454
- 100 amp diesel
- 100 amp gasoline w/o 8-454 5 o'clock position
- 100 amp gasoline w/o 8-454 11 o'clock position
- 105 amp gasoline w/o 8-454
- 165 amp
- 100 amp gasoline 8-454 (7.4L)
- 85 amp gasoline 8-454 (7.4L)
- 105 amp gasoline 8-454 (7.4L)
- 105 amp diesel
- 120 amp
- 124 amp diesel
- 124 amp gasoline
- Chassis Control Module
- Engine Control Module
- Electronic Control Module 8-379 (6.2L, diesel)
- Electronic Control Module 8-350 (5.7L) ID 1227747
- Electronic Control Module 8-454 (7.4L) MT
- Electronic Control Module 6-262 (4.3L) ID 16144288
- Electronic Spark Control 6-262 (4.3L)
- Electronic Spark Control 8-305 (5.0L)
- Electronic Spark Control 8-350 (5.7L)
- Electronic Spark Control 8-454 (7.4L)
- Electronic Control Module 6-262 (4.3L) ID 1228934
- Electronic Control Module 8-454 (7.4L) AT
- Ignition Coil
- Radio Audio
- Starter Motor
Fuel System (4)
- Air Cleaner Box
- 5.7L air injection system (opt K19)
- 5.7L w/o air injection system
- 4.3L air injection system (opt K19)
- 4.3L w/o air injection system w/o off road air cleaner
- 6.2L VIN C (8th digit)
- 6.2L VIN J (8th digit) model VIN C/K (5th digit)
- 6.2L VIN J (8th digit) model VIN R/V (5th digit)
- 7.4L
- 4.3L w/o air injection system off road air cleaner (opt 9K3)
- Fuel Injector
- Fuel Pump
- Pump Only gasoline 8-454 (7.4L)
- Pump Only diesel injection pump VIN C (8th digit) Federal MT
- Pump Only diesel injection pump VIN C (8th digit) Federal AT
- Pump Only diesel injection pump VIN C (8th digit) High Altitude
- Pump Only diesel supply pump
- Pump Only diesel injection pump VIN J (8th digit) arctic grade fuel
- Pump Only diesel injection pump VIN J (8th digit) w/o arctic grade fuel Federal
- Pump Only diesel injection pump VIN J (8th digit) w/o arctic grade fuel High Altitude
- Fuel Tank
Glass & Windows (9)
- Back Glass
- Front Door Glass
- Front Door Window Regulator
- Quarter Glass
- Rear Door Glass
- Side View Mirror
- Power (dealer installed) R.
- Power (dealer installed) L.
- Manual door mounted 3 bolt R.
- Manual door mounted 3 bolt L.
- Manual door mounted 4 bolt painted R.
- Manual door mounted 4 bolt painted L.
- Manual door mounted 4 bolt stainless R.
- Manual door mounted 4 bolt stainless L.
- Manual door mounted 6 bolt dual painted R.
- Manual door mounted 6 bolt dual painted L.
- Manual door mounted 6 bolt dual stainless R.
- Manual door mounted 6 bolt dual stainless L.
- Manual door mounted 6 bolt single R.
- Manual door mounted 6 bolt single L.
- Manual sail mount moveable pedestal (with tubular arm) painted R.
- Manual sail mount moveable pedestal (with tubular arm) painted L.
- Manual sail mount moveable pedestal (with tubular arm) stainless R.
- Manual sail mount moveable pedestal (with tubular arm) stainless L.
- Manual sail mount moveable w/o pedestal R.
- Manual sail mount moveable w/o pedestal L.
- Manual sail mount stationary R.
- Manual sail mount stationary L.
- Windshield Glass
- Windshield Wiper Motor
- Wiper Transmission
Heating & Cooling (12)
- AC Compressor
- AC Condenser
- AC Evaporator
- Blower Motor
- Coolant Pump
- Engine Cooling Motor
- Engine Oil Cooler
- Fan Blade
- Fan Clutch
- Heater Core
- Radiators
- 8-350 (5.7L) 20-3/4" wide
- 8-350 (5.7L) 28-1/4" wide engine oil cooler
- 8-350 (5.7L) 28-1/4" wide w/o engine oil cooler AT
- 8-454 (7.4L) 17" high engine oil cooler
- 8-379 (6.2L, diesel) 1-5/8" thick w/o engine oil cooler
- 8-379 (6.2L, diesel) 2-1/8" thick engine oil cooler
- 8-379 (6.2L, diesel) 2-1/8" thick w/o engine oil cooler
- 8-454 (7.4L) 17" high w/o engine oil cooler
- 8-305 (5.0L) 20-3/4" wide 1" thick
- 6-262 (4.3L) 1-3/8" thick engine oil cooler
- 8-305 (5.0L) 28-1/4" wide 1" thick
- 8-454 (7.4L) 19" high
- 8-379 (6.2L, diesel) 1-5/8" thick engine oil cooler
- 6-262 (4.3L) 1" thick engine oil cooler
- Temp Control
Lighting (3)
- Front Lamp
- Fog-Driving (bumper mounted) R.
- Fog-Driving (bumper mounted) L.
- Park Lamp-Turn Signal (below headlamps) composite headlamps R.
- Park Lamp-Turn Signal (below headlamps) composite headlamps L.
- Park Lamp-Turn Signal (below headlamps) sealed beam headlamps R.
- Park Lamp-Turn Signal (below headlamps) sealed beam headlamps L.
- Side Marker (model VIN C/K, 5th digit) (grille mounted) sealed beam headlamps R.
- Side Marker (model VIN C/K, 5th digit) (grille mounted) sealed beam headlamps L.
- Side Marker (model VIN C/K, 5th digit) (grille mounted) composite headlamps R.
- Side Marker (model VIN C/K, 5th digit) (grille mounted) composite headlamps L.
- Headlight Assembly
- Taillight Assembly
Powertrain (25)
- Air Injection Pump
- Bell Housing
- Camshaft
- Carrier Assembly
- Front Axle 8 lug wheel 3.42 axle ratio (opt GU6)
- Front Axle 8 lug wheel 3.73 ratio (opt GT4)
- Front Axle 8 lug wheel 4.10 ratio (opt GT5)
- Front Axle 8 lug wheel 4.56 ratio (opt HC4)
- Front Axle 6 lug wheel 3.42 axle ratio (opt GU6)
- Front Axle 6 lug wheel 3.73 ratio (opt GT4)
- Front Axle 6 lug wheel 4.10 ratio (opt GT5)
- Clutch Disc
- Crankshaft
- Cylinder Block
- Cylinder Head
- Distributor
- Engine Assembly
- 6-262 (4.3L, VIN Z, 8th digit)
- 8-305 (5.0L, VIN H, 8th digit)
- 8-350 (5.7L, VIN K, 8th digit) gasoline
- 8-379 (6.2L, diesel) MT EGR (VIN C, 8th digit)
- 8-379 (6.2L, diesel) MT w/o EGR (VIN J, 8th digit)
- 8-379 (6.2L, diesel) AT EGR (VIN C, 8th digit)
- 8-379 (6.2L, diesel) AT w/o EGR (VIN J, 8th digit)
- 8-350 (5.7L, VIN K, 8th digit) CNG
- 8-454 (7.4L, VIN N, 8th digit)
- Exhaust Manifold
- 8-350 (5.7L) R. AIR
- 8-350 (5.7L) R. w/o AIR
- 8-350 (5.7L) L. AIR
- 8-350 (5.7L) L. w/o AIR from 8501 GVW
- 8-350 (5.7L) L. w/o AIR thru 8500 GVW
- 8-379 (6.2L, diesel) R.
- 8-379 (6.2L, diesel) L.
- 8-454 (7.4L) R.
- 8-454 (7.4L) L.
- 6-262 (4.3L) R. AIR
- 6-262 (4.3L) R. w/o AIR
- 6-262 (4.3L) L. AIR
- 6-262 (4.3L) L. w/o AIR oxygen sensor
- 6-262 (4.3L) L. w/o AIR w/o oxygen sensor
- Flywheel Flex Plate
- Front Drive Shaft
- Harmonic Balancer
- Intake Manifold
- Oil Pan
- Pressure Plate
- Rear Axle Assembly
- 4x2 full-floating 3.42 axle ratio (opt GU6)
- 4x2 full-floating 3.73 ratio (opt GT4)
- 4x2 full-floating 4.10 ratio (opt GT5)
- 4x2 full-floating 4.56 ratio (opt HC4)
- 4x2 semi-floating 6 lug wheel 3.42 axle ratio (opt GU6)
- 4x2 semi-floating 6 lug wheel 3.73 ratio (opt GT4)
- 4x2 semi-floating 6 lug wheel 4.10 ratio (opt GT5)
- 4x2 semi-floating 6 lug wheel 4.56 ratio (opt HC4)
- 4x2 semi-floating 8 lug wheel auxiliary spring 3.42 axle ratio (opt GU6)
- 4x2 semi-floating 8 lug wheel auxiliary spring 3.73 ratio (opt GT4)
- 4x2 semi-floating 8 lug wheel auxiliary spring 4.10 ratio (opt GT5)
- 4x2 semi-floating 8 lug wheel auxiliary spring 4.56 ratio (opt HC4)
- 4x2 semi-floating 8 lug wheel w/o auxiliary spring 3.42 axle ratio (opt GU6)
- 4x4 semi-floating 8 lug wheel 3.42 axle ratio (opt GU6)
- 4x2 semi-floating 8 lug wheel w/o auxiliary spring 3.73 ratio (opt GT4)
- 4x4 semi-floating 8 lug wheel 3.73 ratio (opt GT4)
- 4x2 semi-floating 8 lug wheel w/o auxiliary spring 4.10 ratio (opt GT5)
- 4x4 semi-floating 8 lug wheel 4.10 ratio (opt GT5)
- 4x2 semi-floating 8 lug wheel w/o auxiliary spring 4.56 ratio (opt HC4)
- 4x4 semi-floating 8 lug wheel 4.56 ratio (opt HC4)
- 4x4 full-floating 3.42 axle ratio (opt GU6)
- 4x4 full-floating 3.73 ratio (opt GT4)
- 4x4 full-floating 4.10 ratio (opt GT5)
- 4x4 full-floating 4.56 ratio (opt HC4)
- 4x4 semi-floating 6 lug wheel 3.42 axle ratio (opt GU6)
- 4x4 semi-floating 6 lug wheel 3.73 ratio (opt GT4)
- 4x4 semi-floating 6 lug wheel 4.10 ratio (opt GT5)
- Rear Drive Shaft
- 4x2 131.5" WB 2 piece front section MT 4 speed 6 lug wheel
- 4x2 155.5" WB (Extended Cab) front section MT 4 speed 6 lug wheel
- 4x2 155.5" WB (Extended Cab) front section MT 5 speed New Process manufactured transmission 6 lug wheel
- 4x4 141.5" WB (Extended Cab, 1 piece)
- 4x4 155.5" WB (Extended Cab, 2 piece) front section 16.78" long
- 4x4 155.5" WB (Extended Cab, 2 piece) rear section semi-floating axle
- 4x4 155.5" WB (Extended Cab, 2 piece) rear section full-floating axle
- 4x2 131.5" WB 2 piece front section MT 4 speed 8 lug wheel
- 4x2 131.5" WB 2 piece front section MT 5 speed 8 lug wheel
- 4x2 155.5" WB (Extended Cab) front section MT 4 speed 8 lug wheel
- 4x4 131.5" WB MT 4 speed
- 4x2 155.5" WB (Extended Cab) rear section AT 8 lug wheel
- 4x2 131.5" WB 1 piece MT
- 4x2 131.5" WB 1 piece AT
- 4x2 131.5" WB 2 piece rear section 6 lug wheel
- 4x2 131.5" WB 2 piece rear section 8 lug wheel
- 4x2 155.5" WB (Extended Cab) front section MT 5 speed Getrag manufactured transmission
- 4x2 155.5" WB (Extended Cab) front section AT TH700 transmission
- 4x2 141.5" WB (Extended Cab) rear section AT
- 4x2 155.5" WB (Extended Cab) rear section MT 5 speed Getrag manufactured transmission
- 4x2 155.5" WB (Extended Cab) rear section AT 6 lug wheel
- 4x4 131.5" WB MT 5 speed Getrag manufactured transmission
- 4x2 131.5" WB 2 piece front section MT 5 speed 6 lug wheel
- 4x2 131.5" WB 2 piece front section AT
- 4x2 155.5" WB (Extended Cab) front section MT 5 speed New Process manufactured transmission 8 lug wheel
- 4x2 155.5" WB (Extended Cab) front section AT 4L80E transmission
- 4x4 131.5" WB MT 5 speed New Process manufactured transmission
- 4x4 131.5" WB AT
- 4x4 155.5" WB (Extended Cab, 2 piece) front section 15.34" long
- Steering Gear Rack
- Throttle Body
- Throttle Body Assembly 6-262 (4.3L)
- Throttle Body Assembly 8-350 (5.7L) ID 17112514
- Throttle Body Assembly 8-350 (5.7L) ID 17112508
- Throttle Body Assembly 8-350 (5.7L) ID 17112511
- Throttle Body Assembly 8-350 (5.7L) ID 17112497
- Throttle Body Assembly 8-454 (7.4L) ID 17112567
- Throttle Body Assembly 8-454 (7.4L) ID 17112557
- Throttle Body Assembly 8-454 (7.4L) ID 17112570
- Throttle Body Assembly 8-305 (5.0L)
- Timing Cover
- Torque Converter
- Transfer Case Assembly
- Transmission
- AT 4x2 TH700 (opt MD8) diesel
- AT 4x2 TH700 (opt MD8) gasoline
- AT 4x4 TH700 (opt MD8) diesel
- AT 4x4 TH700 (opt MD8) gasoline
- MT 5 speed 4x2 integral bell housing
- MT 5 speed 4x4 integral bell housing
- MT 4 speed 4x2
- MT 4 speed 4x4
- AT 4x2 4L80E (opt MT1) gasoline 5.7L ID BAP
- AT 4x4 4L80E (opt MT1)
- AT 4x2 4L80E (opt MT1) gasoline 5.7L ID BBP
- AT 4x2 4L80E (opt MT1) gasoline 7.4L
- MT 5 speed 4x2 w/o integral bell housing diesel
- MT 5 speed 4x2 w/o integral bell housing gasoline
- MT 5 speed 4x4 w/o integral bell housing diesel
- MT 5 speed 4x4 w/o integral bell housing gasoline
- AT 4x2 4L80E (opt MT1) gasoline 4.3L
Safety (1)
Suspension (15)
- Axle Housing
- Axle Shaft
- Front Axle 8 lug wheel
- Rear Axle model VIN K (5th digit, 4x4) 10-1/2" ring gear R.
- Rear Axle model VIN K (5th digit, 4x4) 10-1/2" ring gear L.
- Front Axle 6 lug wheel
- Rear Axle model VIN K (5th digit, 4x4) 9-1/2" ring gear 6 lug wheel
- Rear Axle model VIN C (5th digit, 4x2) 9-1/2" ring gear 6 lug wheel
- Rear Axle model VIN K (5th digit, 4x4) 9-1/2" ring gear 8 lug wheel
- Carrier Assembly
- Front Axle 8 lug wheel 3.42 axle ratio (opt GU6)
- Front Axle 8 lug wheel 3.73 ratio (opt GT4)
- Front Axle 8 lug wheel 4.10 ratio (opt GT5)
- Front Axle 8 lug wheel 4.56 ratio (opt HC4)
- Front Axle 6 lug wheel 3.42 axle ratio (opt GU6)
- Front Axle 6 lug wheel 3.73 ratio (opt GT4)
- Front Axle 6 lug wheel 4.10 ratio (opt GT5)
- Front Axle Assembly (4WD)
- Front Knee
- Front Lower Control Arm
- Front Spindle Knuckle
- Front Upper Control Arm
- Hub
- Leaf Spring Rear
- Rear Axle Assembly
- 4x2 full-floating 3.42 axle ratio (opt GU6)
- 4x2 full-floating 3.73 ratio (opt GT4)
- 4x2 full-floating 4.10 ratio (opt GT5)
- 4x2 full-floating 4.56 ratio (opt HC4)
- 4x2 semi-floating 6 lug wheel 3.42 axle ratio (opt GU6)
- 4x2 semi-floating 6 lug wheel 3.73 ratio (opt GT4)
- 4x2 semi-floating 6 lug wheel 4.10 ratio (opt GT5)
- 4x2 semi-floating 6 lug wheel 4.56 ratio (opt HC4)
- 4x2 semi-floating 8 lug wheel auxiliary spring 3.42 axle ratio (opt GU6)
- 4x2 semi-floating 8 lug wheel auxiliary spring 3.73 ratio (opt GT4)
- 4x2 semi-floating 8 lug wheel auxiliary spring 4.10 ratio (opt GT5)
- 4x2 semi-floating 8 lug wheel auxiliary spring 4.56 ratio (opt HC4)
- 4x2 semi-floating 8 lug wheel w/o auxiliary spring 3.42 axle ratio (opt GU6)
- 4x4 semi-floating 8 lug wheel 3.42 axle ratio (opt GU6)
- 4x2 semi-floating 8 lug wheel w/o auxiliary spring 3.73 ratio (opt GT4)
- 4x4 semi-floating 8 lug wheel 3.73 ratio (opt GT4)
- 4x2 semi-floating 8 lug wheel w/o auxiliary spring 4.10 ratio (opt GT5)
- 4x4 semi-floating 8 lug wheel 4.10 ratio (opt GT5)
- 4x2 semi-floating 8 lug wheel w/o auxiliary spring 4.56 ratio (opt HC4)
- 4x4 semi-floating 8 lug wheel 4.56 ratio (opt HC4)
- 4x4 full-floating 3.42 axle ratio (opt GU6)
- 4x4 full-floating 3.73 ratio (opt GT4)
- 4x4 full-floating 4.10 ratio (opt GT5)
- 4x4 full-floating 4.56 ratio (opt HC4)
- 4x4 semi-floating 6 lug wheel 3.42 axle ratio (opt GU6)
- 4x4 semi-floating 6 lug wheel 3.73 ratio (opt GT4)
- 4x4 semi-floating 6 lug wheel 4.10 ratio (opt GT5)
- Ring Gear - Pinion
- Front Axle 6 lug wheel 3.42 ratio (opt GU6)
- Front Axle 6 lug wheel 3.73 ratio (opt GT4)
- Front Axle 6 lug wheel 4.10 ratio (opt GT5)
- Front Axle 8 lug wheel 3.42 ratio (opt GU6)
- Front Axle 8 lug wheel 3.73 ratio (opt GT4)
- Front Axle 8 lug wheel 4.10 ratio (opt GT5)
- Front Axle 8 lug wheel 4.56 ratio (opt HC4)
- rear axle 3.42 thru 4.56 ratios full-floating axle
- rear axle 3.42 thru 4.56 ratios semi-floating axle
- rear axle 3.08 ratio
- Suspension Coil Spring
- Suspension Crossmember
- Torsion Bar
